Dissertations / Theses on the topic 'IoT-based system'
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GUDURU, TABU SRAVANI, and SURYA NARAYANA MURTHY THATAVARTHY. "IoT Based Home Monitoring System." Thesis, Blekinge Tekniska Högskola, Institutionen för matematik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-20900.
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Home surveillance is a major concern in this day and age as with the rapid increase in the technology around us. There is a need to get updated with new possibilities to make our lives better and easy. Some cases and situations exhibit the need for home monitoring. So, we set out to discover a solution to this problem of home monitoring. Generally, we have issues with pets and kids alike such as approaching dangerous places like electric switches, stairs, and hot things. Not only a problem with kids and pets but also a chance of burglary and stranger's unusual activities. To overcome this problem we are designing and prototyping a system to keep an eye on kids, pets, and older people. This system is used in other applications like theft monitoring. The device can monitor the field all the time. In this way, this system helps in-home monitoring. The system consists of Arduino, which is the brain of the system, the PIR sensor, ESP32-CAM, and buzzer. The PIR sensor detects motion then gives input to the Arduino. Arduino gives output to the ESP32-CAM and buzzer. The ESP32-CAM can be activated and sends information to the user through the web Interface and the application. The user can see the video streaming on the PC screen or any other display. The buzzer can emit a high volume signal indicating that "there is an alert at the home".
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Coutinho, Daniel Filipe Raimundo. "Cloud-based system for IoT data acquisition." Master's thesis, Universidade de Évora, 2021. http://hdl.handle.net/10174/28975.
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IoT permite-nos trazer o mundo físico para o mundo virtual, dando o poder de o controlar e monitorizar.
Isto tem encorajado um aumento no interesse em IoT, devido às múltiplas aplicações nos mais
variados contextos.
Ainda assim sistemas de IoT enfrentam desafios tais como o suporte de altos volume de conexões
ou a baixa capacidade de computação face a algoritmos para segurança dos dados.
O objectivo desta dissertação é criar um sistema de recolha de dados de sensor de qualidade do ar
que resolva esses desafios usando tecnologias de estado de arte, dando preferência a ferramentas
de código aberto.
O sistema foi implementado em volta Apache Kafka, com Spring Boot e VerneMQ responsáveis
por receber dados e PostgreSQL, com plugin Timescale, encarregue de os guardar. Um protótipo
do sistema foi implementado usando contentores Docker, mas não foi possível organiza-los com
Kubernetes; Abstract:
Cloud-based system for IoT data acquisition
The purpose of IoT is to bring the physical world into a digital one and allowing it to be controlled
and monitored from a virtual standpoint.
The interest in IoT has increased due to its many applications in various fields, but IoT systems still
deal with challenges such as the support of a high volume of connections or the low processing
capacity of devices faced with data security algorithms.
The objective of this dissertation is to create a data collection for air quality sensors system, that
solves those challenges based on state of the art technologies, giving preference to open-source
tools.
Implementation was done around Apache Kafka, with Spring Boot and VerneMQ receiving data,
HMAC granting a level security on data transport and PostgreSQL with the plugin Timescale storing
the data. A prototype of the system was implemented in Docker containers, but we were unable to
orchestrate them through Kubernetes.
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Jasti, Madhu Narasimha Rao. "IoT based remote patient health monitoring system." Kansas State University, 2017. http://hdl.handle.net/2097/38268.
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Master of ScienceDepartment of Computer Science
Daniel A. Andresen
With an improvement in technology and miniaturization of sensors, there have been attempts to utilize the new technology in various areas to improve the quality of human life. One main area of research that has seen an adoption of the technology is the healthcare sector. The people in need of healthcare services find it very expensive this is particularly true in developing countries. As a result, this project is an attempt to solve a healthcare problem currently society is facing. The main objective of the project was to design a remote healthcare system. It’s comprised of three main parts. The first part being, detection of patient’s vitals using sensors, second for sending data to cloud storage and the last part was providing the detected data for remote viewing. Remote viewing of the data enables a doctor or guardian to monitor a patient’s health progress away from hospital premises. The Internet of Things (IoT) concepts have been widely used to interconnect the available medical resources and offer smart, reliable, and effective healthcare service to the patients. Health monitoring for active and assisted living is one of the paradigms that can use the IoT advantages to improve the patient’s lifestyle. In this project, I have presented an IoT architecture customized for healthcare applications. The aim of the project was to come up with a Remote Health Monitoring System that can be made with locally available sensors with a view to making it affordable if it were to be mass produced. Hence the proposed architecture collects the sensor data through Arduino microcontroller and relays it to the cloud where it is processed and analyzed for remote viewing. Feedback actions based on the analyzed data can be sent back to the doctor or guardian through Email and/or SMS alerts in case of any emergencies.
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Jazavac, Nedim, and Hikmat Tatari. "IoT-based air pollution monitoring system for smart villages." Thesis, Högskolan Kristianstad, Fakulteten för naturvetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-21952.
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Air pollution is a global issue which has negative impacts not only on the environment but also on human health. Therefore, it is important to design and implement systems to allow cities and villages to monitor air quality so that they take the required actions to maintain a good air quality in the city/village. Since IoT facilitates implementing efficient monitoring systems, many IoT systems have been proposed to monitor air pollution. In this paper, we review different IoT-based systems to monitor air quality. In addition, we do an experiment where we propose and evaluate our system to monitor air pollution in a smart village, Veberöd, utilizing the LoRaWAN and the IoT platform, Yggio, which is already used in the village. Our proposed system is used to monitor temperature, humidity, pressure, PM1, PM2.5, PM10, CO2, and CO. As a result of our experiment, we found that the data received by Yggio was encoded, and Yggio did not provide the decoding functionality to decode the data sent from our devices. Therefore, another IoT platforms were used to decode, visualize, and analyse the data. The results of the experiments shows that as far as PM1, PM2.5, PM10, and CO are concerned, the air quality in the village is good. The results also showed that some LoRaWAN messages were lost and never received on Yggio.
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ElSaadany, Mohamed. "A NOVEL IoT-BASED WIRELESS SYSTEM TO MONITOR HEART RATE." Miami University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=miami1501023035755156.
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Siraj, Shabna. "ARCTIC: An IoT-based System for Child Tracking in Day Care." Thesis, Luleå tekniska universitet, Institutionen för system- och rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-73315.
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Karuturi, Hemanth Surya, and Megha Sanjeev Reddy Karri. "Raspberry Pi Based IoT System for Bats Detection at Wind Farms." Thesis, Blekinge Tekniska Högskola, Institutionen för matematik och naturvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-20899.
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Context: Large numbers of bats are killed by collisions with wind turbines and there is at present no accepted method of reducing or preventing this mortality. We designed a system, which detects and records any bats’ activity in and around the surroundings of wind turbines. The system can help to study bats by identifying the species that are present in that particular locality. Objectives: The main objective of this thesis is to design an ultrasound-based IoT system, which detects the bats to prevent them from clashing with wind turbines. The design is based on a study of bats’ behaviors. Methods: The system has been developed using User-Driven Design, UDD, approach. The required functionalities have been embedded into IoT based system. An ultrasonic technology along with other sensors are used. The sensors are intended to activate monitoring during favorable conditions for bat activity. Results: A model of a system has been developed. The model was implemented into a prototype. Recorded bats’ activities are uploaded to a server by employing a suitable app, which informs the user about the activities of bats' various sub-species. Conclusions: A surveillance for bats approaching the wind farms within 80 m has been developed. The monitoring system is activated when the weather conditions are favorable for bat activities.
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Aïssaoui, François. "Autonomic Approach based on Semantics and Checkpointing for IoT System Management." Thesis, Toulouse 1, 2018. http://www.theses.fr/2018TOU10061/document.
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Zhalgasbekova, Aigerim. "CollMule: An Opportunistic Data Collection System for IoT-based Indoor Air Quality Monitoring." Thesis, Luleå tekniska universitet, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-65346.
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Vupparige, Vijaykumar Sanjana. "A Cost-Efficient Bluetooth Low Energy Based Indoor Positioning System for IoT Applications." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162208.
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The indoor positioning system is a series of networking systems used to monitor/locate objects at indoor area as opposed that of GPS which does the same at outdoor. The increase in the popularity of the Internet of Things made the demand for Bluetooth Low Energy technology more and more essential due to their compatibility in the smartphones which makes it to access easier. The BLE’s reliable signal and accuracy in calculating the distance has a cutting edge on others in IPS. In this thesis, the Bluetooth Low Energy indoor positioning system was designed and implemented in the office area, and the positionofIoTdevicesweremonitored. OntheIoTdevices,thebeaconswereplaced. And thesebeaconswerecoveringtheofficearea. Thereceiver,smartphoneinourcase,recorded theReceivedSignalStrengthIndicationofthetransmittedsignalsfromthebeaconswithin the range of the signal and stored the collected data in a database. Two experiments have beenconducted. Oneisforbeaconsthatarestationaryandonethatismoving. Toevaluate these experiments, a few tests were performed to predict the position of beacons based on therecordedreceivedsignalstrength’s. Inthecaseofstationarybeacons, itoffersaccuracy range from 1 m to 5 m, and 3 m to 9.5 m in anticipating the position of each beacon in the case of moving beacon. This methodology was a mixture of fingerprinting and an algorithm of multilateration. Finally, the experiments show that the algorithm used provides the most accurate indoor position using BLE beacons that can be monitored through an Android-based application in real-time.
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Moreno, Cano María Victoria. "I2ME2 IoT-IBMS : un sistema de gestión de la información basado en IoT para eficiencia energética en edificios inteligentes= I2ME2 IoT-IBMS: an IoT-based information management system for energy efficiency in smart buildings." Doctoral thesis, Universidad de Murcia, 2014. http://hdl.handle.net/10803/284648.
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Tesis por compendio de publicacionesLa presente tesis doctoral presenta el diseño de un sistema de gestión de la información basado en IoT para eficiencia energética en edificios inteligentes. En primer lugar se analizaron las limitaciones y problemas de las propuestas en literatura que abordan la gestión en edificios para su eficiencia energética. Tras este estudio teórico, se propuso un modelo de carácter general en el que se establecen las entradas a considerar en la gestión del edificio para conseguir eficiencia energética, así como las posibles salidas del mismo. La idea de este modelo es la de su instanciación específica en edificios enmarcados en un contexto determinado. De esta forma, por cada contexto son analizadas las entradas con un relevante impacto en el consumo energético, así como las salidas a considerar atendiendo a las características funcionales de dicho contexto. Como parámetros relevantes a considerar durante la gestión del edificio, está la información sobre la localización de los ocupantes. Por esta razón, en esta tesis se implementó un mecanismo de localización en espacios de interior basado en la fusión de datos provenientes de sensores infrarrojos y un sistema RFID encargado de monitorizar a los ocupantes del edificio. La precisión en los resultados alcanzados tras la evaluación de este mecanismo, cubre de manera satisfactoria las necesidades en cuánto a la precisión requerida en los datos de localización a integrar durante la gestión del edificio, proporcionando una precisión media de 1.5 m de error en localización. Resuelta la localización, se desarrolló un mecanismo capaz de predecir las condiciones de confort a proporcionar a los ocupantes atendiendo a las preferencias de estos, a las condiciones medioambientales y al nivel de actividad inferido en el edificio. La tasa de éxito media en la estimación de los parámetros óptimos de confort según las condiciones contextuales del problema fue del 91%. Una vez implementados estos mecanismos, se integró dicha información como entradas del sistema de gestión propuesto para eficiencia energética, y se realizaron experimentos en varios edificios inteligentes tomados como referencia. El objetivo de estos experimentos es la de extraer el impacto de incorporar dicha información en términos del ahorro energético alcanzado. Los resultados demostraron que es posible alcanzar un ahorro energético medio al mes de operación del sistema de gestión del 20%, en comparación con el consumo del mes anterior, durante el cual no se consideró ningún tipo de gestión para eficiencia energética en el edificio. La siguiente extensión del sistema de gestión propuesto consiste en incorporar al propio usuario del sistema en la operación del mismo. El objetivo aquí es el de involucrar al usuario en el ahorro del consumo energético del edificio. Para este objetivo se establecieron diversas estrategias tales como: proporcionar información sobre el consumo energético asociado a la actividad del propio usuario, ofreciendo consejos y recomendaciones a llevar a cabo y dirigidas al ahorro energético, permitiendo al usuario que estableciera sus propias reglas de control en el sistema de gestión, etc. Varios experimentos se llevaron a cabo para evaluar el impacto de esta extensión del sistema. Como resultado de dichos experimentos, pudo comprobarse cómo los usuarios del sistema cambiaron su comportamiento asociado al uso que realizaban de las infraestructuras del edificio. De esta forma, y tras un mes de experimentación, se consiguió incrementar en un 9\% el ahorro hasta ahora conseguido, alcanzando así hasta un 29% de ahorro. Tras alcanzar todos los objetivos planteados al inicio de la presente tesis doctoral, y en vista de los resultados conseguidos, podemos afirmar que ha sido demostrada y validada la aplicabilidad y efectividad del sistema propuesto para la gestión de información basado en IoT para eficiencia energética en edificios inteligentes.
This thesis presents an IoT-based design for an information management system to improve energy efficiency in smart buildings. Firstly, a theoretical focus to identify the requirements for improving energy efficiency in buildings, followed by an analysis of the limitations and problems of solutions proposed in the literature for this respect. After this theoretical analysis a general model was proposed in which the inputs and outputs to be considered in the management proposed to improve energy efficiency in buildings were identified. The idea of this model was its instantiation in buildings in a given context. For each context, the inputs representing a relevant energetic impact in buildings are analysed, as the target outputs according to functional characteristics of the building context. Information on the localization of the occupants is an important factor since it permits a more precise management of the building, while satisfying the individual comfort needs of the occupants. This is why we implement a localization mechanism for enclosed spaces based on fusing the data from infrared sensors and an RFID system. The accuracy obtained after evaluation of the mechanism amply covered the requirements as regards the data to be integrated in the building management system with a mean accuracy error of 1.5 m. Having solved the localization problem, we developed a mechanism for predicting the comfort conditions that would be necessary bearing in mind the occupants' preferences, the environmental conditions and the activity level of the building. The mean success rate in estimating the optimal comfort parameters according to contextual conditions was 91%. The above information concerning user localization and preferred comfort conditions served as input for building management system for energy efficiency, and experiments were carried out in several smart reference buildings. The aim was to assess the effect of the introduced information in terms of energy savings. With these inputs and taking the corresponding infrastructure management measures it was possible to achieve a mean energy saving during operation of 20% compared with the previous month's consumption when no such energy efficiency management system was in operation. The next move was to incorporate the users themselves into the operation of the system, in the hope of encouraging further energy saving. Several strategies were adopted in this respect, including providing information on the energy consumed as a result of the individual user's activities, offering recommendations for saving energy and permitting the users to establish their own rules for managing the system. Several experiments in this respect confirmed that users will change their behaviour as regards the use they make of the building's infrastructures. A one month experiment led to a 9\% saving in the energy consumed, rising to 29% in a building with a high degree of monitoring and actuation. Having attained all the objectives set out at the beginning of this thesis and in view of the results, the viability and effectiveness of the proposed system for managing IoT-based information to save energy in smart buildings is demonstrated.
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Nguyen, Ngo Minh Thang. "Test case generation for Symbolic Distributed System Models : Application to Trickle based IoT Protocol." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC092.
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Les systèmes distribués sont composés de nombreux sous-systèmes distants les uns des autres. Afin de réaliser une même tâche, les sous-systèmes communiquent à la fois avec l’environnement par des messages externes et avec d’autres sous-systèmes par des messages internes, via un réseau de communication. En pratique, les systèmes distribués mettent en jeu plusieurs types d’erreurs, propres aux sous-systèmes les constituant, ou en lien avec les communications internes. Afin de s’assurer de leur bon fonctionnement, savoir tester de tels systèmes est essentiel. Cependant, il est très compliqué de les tester car sans horloge globale, les sous-systèmes ne peuvent pas facilement synchroniser leurs envois de messages, ce qui explique l’existence des situations non déterministes. Le test à base de modèles (MBT) est une approche qui consiste à vérifier si le comportement d’un système sous test (SUT) est conforme à son modèle, qui spécifie les comportements souhaités. MBT comprend deux étapes principales: la génération de cas de test et le calcul de verdict. Dans cette thèse, nous nous intéressons à la génération de cas de test dans les systèmes distribués. Nous utilisons les systèmes de transition symbolique temporisé à entrées et sorties (TIOSTS) et les analysons à l’aide des techniques d’exécution symbolique pour obtenir les comportements symboliques du système distribué. Dans notre approche, l’architecture de test permet d’observer au niveau de chaque soussystème à la fois les messages externes émis vers l’environnement et les messages internes reçus et envoyés. Notre framework de test comprend plusieurs étapes: sélectionner un objectif de test global, défini comme un comportement particulier exhibé par exécution symbolique, projeter l’objectif de test global sur chaque sous-système pour obtenir des objectifs de test locaux, dériver des cas de test unitaires pour chacun des sous-systèmes. L’exécution du test consiste à exécuter des cas de test locaux sur les sous-systèmes paramétrés par les objectifs de tests en calculant à la volée les données de test à soumettre au sous-système en fonction de données observées. Enfin, nous mettons en œuvre notre approche sur un cas d’étude décrivant un protocole utilisé dans le contexte de l’IoTDistributed systems are composed of many distant subsystems. In order to achieve a common task, subsystems communicate both with the local environment by external messages and with other subsystems by internal messages through a communication network. In practice, distributed systems are likely to reveal many kinds of errors, so that we need to test them before reaching a certain level of confidence in them. However, testing distributed systems is complicated due to their intrinsic characteristics. Without global clocks, subsystems cannot synchronize messages, leading to non-deterministic situations.Model-Based Testing (MBT) aims at checking whether the behavior of a system under test (SUT) is consistent with its model, specifying expected behaviors. MBT is useful for two main steps: test case generation and verdict computation. In this thesis, we are mainly interested in the generation of test cases for distributed systems.To specify the desired behaviors, we use Timed Input Output Symbolic Transition Systems (TIOSTS), provided with symbolic execution techniques to derive behaviors of the distributed system. Moreover, we assume that in addition to external messages, a local test case observes internal messages received and sent by the co-localized subsystem. Our testing framework includes several steps: selecting a global test purpose using symbolic execution on the global system, projecting the global test purpose to obtain a local test purpose per subsystem, deriving unitary test case per subsystem. Then, test execution consists of executing local test cases by submitting data compatible following a local test purpose and computing a test verdict on the fly. Finally, we apply our testing framework to a case study issued from a protocol popular in the context of IoT
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Reda, Roberto. "A Semantic Web approach to ontology-based system: integrating, sharing and analysing IoT health and fitness data." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14645/.
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With the rapid development of fitness industry, Internet of Things (IoT) technology is becoming one of the most popular trends for the health and fitness areas. IoT technologies have revolutionised the fitness and the sport industry by giving users the ability to monitor their health status and keep track of their training sessions. More and more sophisticated wearable devices, fitness trackers, smart watches and health mobile applications will appear in the near future. These systems do collect data non-stop from sensors and upload them to the Cloud. However, from a data-centric perspective the landscape of IoT fitness devices and wellness appliances is characterised by a plethora of representation and serialisation formats. The high heterogeneity of IoT data representations and the lack of common accepted standards, keep data isolated within each single system, preventing users and health professionals from having an integrated view of the various information collected. Moreover, in order to fully exploit the potential of the large amounts of data, it is also necessary to enable advanced analytics over it, thus achieving actionable knowledge. Therefore, due the above situation, the aim of this thesis project is to design and implement an ontology based system to (1) allow data interoperability among heterogeneous IoT fitness and wellness devices, (2) facilitate the integration and the sharing of information and (3) enable advanced analytics over the collected data (Cognitive Computing). The novelty of the proposed solution lies in exploiting Semantic Web technologies to formally describe the meaning of the data collected by the IoT devices and define a common communication strategy for information representation and exchange.
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Eigner, Martin. "Digitalisierung der Engineering Prozesse durch System Lifecycle Management (SysLM)." Thelem Universitätsverlag & Buchhandlung GmbH & Co. KG, 2021. https://tud.qucosa.de/id/qucosa%3A75847.
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Dieser Beitrag erläutert die Umsetzung der Digitalisierung speziell im Anwendungsgebiet des Engineering. Dabei wird die Digitalisierung, sowohl des eigentlichen Produktes als auch der im Rahmen von Service-orientierten Geschäftsmodellen entwickelten Dienstleistung, vorgestellt. Ein weiterer wesentlicher Punkt der Digitalisierung sind die horizontale und vertikale Integration der technischen und administrativen Arbeitsprozesse entlang des Produktlebenszyklus. Bei den vertikalen Integrationen handelt es ich um die Integrationen der Autorensysteme entlang den Lebenszyklusphasen Anforderungsmanagement, Systemarchitektur, CAD in Mechanik, Elektronik, Softwareentwicklung, Simulation, Test, Prozessplanung und Digitale Fabrik. Bei der horizontalen Integration stehen die administrativen Funktionen wie Freigabe-, Änderungs- und Konfigurationsmanagement über den gesamten Produklebenszyklus und die technische Integration der in den einzelnen Produktlebenszyklus-Phasen erzeugten Informationen im Vordergrund. Hier ist vor allem die Verteilung und Orchestrierung der Funktionen zwischen SysLM, MES und PPS relevant.
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Raffa, Viviana. "Edge/cloud virtualization techniques and resources allocation algorithms for IoT-based smart energy applications." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22864/.
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Nowadays, the installation of residential battery energy storage (BES) has increased as a consequence of the decrease in the cost of batteries. The coupling of small-scale energy generation (residential PV) and residential BES promotes the integration of microgrids (MG), i.e., clusters of local energy sources, energy storages, and customers which are represented as a single controllable entity. The operations between multiple grid-connected MGs and the distribution network can be coordinated by controlling the power exchange; however, in order to achieve this level of coordination, a control and communication MG interface should be developed as an add-on DMS (Distribution Management System) functionality to integrate the MG energy scheduling with the network optimal power flow.
This thesis proposes an edge-cloud architecture that is able to integrate the microgrid energy scheduling method with the grid constrained power flow, as well as providing tools for controlling and monitoring edge devices.
As a specific case study, we consider the problem of determining the energy scheduling (amount extracted/stored from/in batteries) for each prosumer in a microgrid with a certain global objective (e.g. to make a few energy exchanges as possible with the main grid).
The results show that, in order to have better optimization of the BES scheduling, it is necessary to evaluate the composition of a microgrid in such a way as to have balanced deficits and surpluses, which can be performed with Machine Learning (ML) techniques based on past production and consumption data for each prosumer.
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Hsiao, Wei-Chen, and 蕭暐宸. "IoT-Based Picking Assistant System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/m5acy7.
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碩士朝陽科技大學
資訊工程系
106
Usually manufacturers have a parts warehouse, preparation in the manufacturing process is where workers take out components one by one from the warehouse, because the components are not the same shape, human work cannot be avoided, it will spend a lot of time to perform the job. Therefore, this paper proposes a new prototype of picking system, to help worker’s picking operations more efficient. This paper proposes to use IoT technology development prototype of picking system, The system electronically picks up information, and provide materials and picking list management system, the system can be transmitted to the terminal through the router information devices, including Arduino terminal devices to achieve, the router to achieve Raspberry Pi, the terminal installed in each counter Display the name of the material and the remaining quantity, the router is installed in each row of counters, responsible for the information forwarding when the counters. Besides, the location of materials which should be picked, will light signal, worker can follow the prompts pick up the location of materials, improve the efficiency of the worker picking.
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Tsai, Jia-Bin, and 蔡家斌. "IoT Based Open Cloud Restaurant System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/jdh5eu.
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碩士國立高雄應用科技大學
資訊管理研究所碩士班
104
Restaurant service is a highly labor intensive industry. It has a low threshold requirement for employees, so it is often the first choice for incumbents to change jobs or for the current year’s graduates to hunt a job. Due to low entry threshold and individual staff’s factors, such industry has a higher replacement rate and flow rate in terms of grass-roots employees than other industries; according to restaurants, it is important to seek for a higher turnover rate, service quality, work efficiency, and profitability. This paper presents an RCA (restaurant cloud assistant) mechanism, which, in the form of IT instead of manpower, eliminates the mode of operation with people as main body in the past and changes to use cloud information system as main axle to assist the internal operation flow of restaurants. It plays a role of integrating the operation flow between practitioners, employees and customers, to achieve the effect of reducing the manpower demand cost and improving the overall operation efficiency. As the current restaurant systems are mostly of stand-alone operation or closed system design. This paper will, based on the concept of Internet of Things, design out an open system architecture of flexible configuration by use of cross-platform Web development technology and in combination with single board computer which has a low cost and perfect function, so that all applications are not restricted by any hardware configuration, and the required restaurant function and service are established on the cloud, to realize an open cloud-assisted restaurant information management system based on the concept of RCA.
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Hou, Kuo Yuan, and 侯國元. "IOT-based Intelligent Parking Management System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/g2473p.
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碩士元智大學
資訊管理學系
104
A procedure is architecture of IOT for smart life, to achieve a intelligent parking system research. My agenda is Introduction、Literature 、Research method、Contribution、Conclusion. Recently there were many outlet-mall opening. How to make business and customers via IOT technology to achieve overall intelligent parking is my research motivation. Although public or private own parking , it use the process was entry 、manual or electronic introduce 、parking and payment for leave . If all those of process add IOT technology that would bond to be more efficient . This researching was use common electric product and basic technology ,there neither need high funds nor team, via a architecture to verification the feasibility of deployment.
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Tsung-LinCheng and 鄭宗霖. "An IoT-Based Exercise Training System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/45365970789483367512.
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碩士國立成功大學
工程科學系
104
This research focuses on designing and implementing an IoT-Based Exercise Training System, called ITETS, which can be deployed in a user’s home to help a user have standard postures and give assistance remotely. ITETS can record user motions when doing exercises and process the recorded images into skeleton information. Professionals in different kinds of exercises can also record their standard postures and create training modules, respectively. In order to provide a self-learning environment, an IoT object, called RGB-D Capturer, is proposed. Three sample (standard) postures of volleyball players are introduced to test and evaluate the proposed system. The results show that a beginner can self-learn and improve standard postures by the assistance of the proposed system.
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ZHENG, YU-XIANG, and 鄭宇翔. "IoT-Based Frozen-Shoulder Rehabilitation system." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/wmek49.
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碩士明志科技大學
電子工程系碩士班
107
Frozen shoulder is also known as fifty-years-old shoulder. As the name suggested, the incidence of the syndrome has higher probability of occurrences in fifties or older. However, as working hours becoming longer, the chances of suffering from the insidious onset of diffusing pain are greater, especially for workers who have been sitting in front of computers and using mouse for a long period of times without any exercises. This painful shoulder syndrome associated with working men happens more often than those of average persons. The paper applies Internet of Things （IoT） methodologies connecting a simple sensor to detect which hand of a person is operating the mouse of a computer and controls the usage time of the mouse. The records of the usage period are captured by an Arduino application and a Raspberry Pi. After the data been collected from the sensor, the data are published into a broker by Message Queueing Telemetry Transport (MQTT) techniques and subscribed by a smart phone via a Wi-Fi wireless module. In addition, the built-in sensor of the smart phone can initiate simple rehabilitation actions automatically. The aggregated data are integrated into a database. Therefore, doctors can retrieve and review the mouse usage time and the rehabilitation records at any moment. Furthermore, according to the data, doctors can give the suggesting immediately to improve the condition of the symptom for the workers.
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CHEN, YI-JUI, and 陳奕叡. "Enhancement on the MQTT-Based IoT System Sericurity and a Green House IoT System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/am38z9.
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碩士國立暨南國際大學
資訊管理學系
106
Various Internet of Things (IoT) deployments have become more and more popular in our daily life. It not only enriches our life experiences but also enhances the convenience of many services. However, IoT devices are usually resource-limited and are deployed in many hostile environments. It incurs many potential attacks and threats. Agriculture is one of many fields that might benefit from the IoT technologies. In this thesis, we concern two main challenges： one is secure IoT framework and the other is a Green-House IoT system under this framework. In Taiwan agriculture practice, each farmer usually has a very limited space and limited facilities. In such conditions, a green-house system augmented with effective IoT systems could improve the productivity and the quality of the produce. The traditional control interface of a green-house system is not friendly (some are just manual setting), costly and not data-driven. With the advent of the cloud computing and low-cost Internet-of-Things (IoT) platforms, we can apply these low-cost and effective technologies to monitor/control the environment conditions and the facilities. And, a real-time data analysis is crucial to the success of an agriculture IoT system. With RethinkDB, raspyberry pi, tornado, and Splunk, we develop an efficient-and-effective greenhouse system to achieve the above goals. Regarding the secure IoT framework, we especially focus on the device management and authentication of those Message Queuing Telemetry Transport (MQTT)-based IoT systems, because they are very popular. We propose a secure MQTT-based IoT framework and design an effective device management and authentication mechanism. With this framework and mechanism, we can effective manage/authenticate the devices. One advantage of our design is that the mechanism can be easily integrated with existent MQTT standards and platforms.
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LIU, YU-CHEN, and 劉昱辰. "IoT Based Across-camp Intelligent Security System." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/2d52jk.
Full textAbstract:
碩士國防大學
資訊管理學系
106
The Army has long been carrying out the relevant tasks according to the standard procedure of "procedures, steps and essentials", but the contents of the standard procedure have not been in line with the current technology. Although the above-mentioned standard operating procedures, regulations, guidelines and relevant information systems can meet their related management needs, but the current SOP has gradually become inconsistent with the actual operation and continue to face emerging threats. In this study, through the integration systems, a set of exclusive "intelligent security system" is built so that the camp commander and relative Management units will not be submerged in a large number of false alarms, and can automatically identify high-risk anomalous behavior, effective use of early warning effect. In addition, the system can automatically determine the extent of possible threats and their extents so that the camp commander and management units can quickly control the movements of personnel, and make early detection of abnormal staffs or damage behavior within the camp. It also can do a quick analysis of the cause of security incidents, effective control the degree of damage or extent of damage, strengthen the overall camp security degree.
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Sie, Sin-Ru, and 謝欣如. "An IoT-based Multilingual System for Patient Services." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/4g8z4r.
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Wei-Te, Hsu, and 許維德. "Thermostatic Monitoring System of IoT Based on Arduino." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/77610400979471218958.
Full textAbstract:
碩士亞洲大學
資訊工程學系
104
In this paper, combined with Arduino development platform based PID (Proportional Integral and Derivative) control and the constant temperature monitoring system of PWM (Pulse Width Modulation), the main core is to achieve power control; the sensed temperature is after the PID operation, and then PWM is used to change the current output of the Duty Cycle to control AC-powered lamp heating and DC-powered fan cooling. Using IoT (Internet of Things, IoT) technology, devices and cloud technologies are integrated to achieve constant monitoring of multiple devices. Through the operating system built by us, it can monitor the devices scattered everywhere; as long as there are WiFi devices that can make an Internet connection, it can allow users at all times, even in a foreign country, to have mobile Internet capabilities means for monitoring. The system will automatically receive the instantly plotted temperature curve of temperature data, so the user can clearly understand the current and past temperature changes. In addition, the system will collect temperature data and store them in the system database. When needed, it may be output immediately to facilitate large data (Big Data) analysis for future temperature changes or data Applications.
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YANG, CHIA-WEN, and 楊嘉文. "A BLE-Based Location System for IOT Applications." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/53961617381310516861.
Full textAbstract:
碩士崑山科技大學
電腦與通訊研究所
105
Along with the development of communication technology, the degree of involvement of location-based service in daily life increases accordingly. Through further combination between mobile devices and micro-location technology, mobile devices can now offer more precise and high-quality services which allows users to obtain required information while moving. The proposed intelligent device-oriented control system is based on the devices to be controlled and the using location, providing a control service system of dynamic operation interface: when detecting the approaching of users, the system would automatically notify users the available devices and provide users with the control options for the devices. The system function would come along with the device to be controlled, and the user interface would change with user's location and devices in the location, reducing the complexity of operation and enabling users to focus on the present objects to be operated. This system can be combined with I/O or smart devices, providing users with location-based device-oriented control service, making the update and maintenance of IoT application control system easier.
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Lian, Guan-Hao, and 連冠豪. "Cloud-Based PVTA Monitoring System for IoT Devices." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/6xm68s.
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Chen, Chun-Liang, and 陳俊良. "IoT-Based Physiological Monitoring System with ECG Authentication." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/88jprd.
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碩士國立中興大學
電機工程學系所
106
With the rise of smart phones and wearable devices, these technologies are getting popular and popular. People can easily monitor data they want anytime and anywhere. Smart phone and wearable devices make data to be exchanged more frequent than ever. In recent years, related applications of smart phones and wearable devices have become more and more widespread. However, with the advancement of communication chip technology, the interconnected communication technologies also have become more and more diverse, and different applications have been derived from diverse transmission technologies. Nowadays, with the development of embedded systems and transmission technologies, a new network concept has been proposed that is to connect physical devices together via the built-in communication chips and these devices will form a network called IoT(Internet of Things). The IoT is an integrated technology, it not only needs transmission interfaces, but needs storage, computing, and security protection technologies to make the overall network operation more stable and smoother. In this study, we realize an IoT-based physiological monitoring system and build it on a health trail in campus so that it makes the residents near by campus who can measure and monitor individual the physiological information after doing exercise. Since this system involves personal physiological information and may involve privacy, this study has combined ECG identity recognition technology to this IoT system and implemented it as a login accreditation.
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Lai, Yen-Ju, and 賴彥汝. "An IoT Browsing System with a Semantic-based Context-Aware Middleware for IoT Browser." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/73854991896540494302.
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碩士國立清華大學
資訊工程學系
100
IoT browser is a useful tool for the Internet of Things (IoT), which provides a novel way for people to interact with daily life objects through the internet. Comparing with traditional web browsing environment, IoT browsing environment has some unique features such as the way of interacting with the objects, the importance of spatial-temporal information of objects, and the necessity of resource reuse. Considering the distinctive features of IoT browsing, a new system architecture is needed to fulfil the requirements of IoT browsing environment. In this paper, we propose an IoT browsing system with a semantic-based context-aware middleware for IoT browser. The system adopts a service-oriented architecture and provides device interoperability, resource reusability and spatial-temporal-awareness. The basic functions of the middleware are distributed in local gateways and the cloud. Furthermore, context-awareness is introduced to make the browsing more intuitive. We develop a prototype of the proposed system and demonstrate the applicability of the system in a browsing scenario. The prototype shows that with the help of the IoT browsing system, heterogeneous devices can cooperate with each other to provide IoT services in accordance with context inference results. In addition, each device can be reused by multiple services with minimum human supervision to reduce hardware and deployment costs.
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Liou, Jhong-Ci, and 劉忠棋. "Design of IoT Gateway Based on Multi-Microcontroller System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/297vgn.
Full textAbstract:
碩士國立中央大學
資訊工程學系
104
The Internet of Things (IoT) gateway serves as a key intermediary between a considerable amount of smart things and their corresponding cloud networking servers. Academics and industry members have invested substantial research and development resources into developing IoT gateway-related technology and products. In small and low-power IoT applications, conventional gateway systems mainly use microcontrollers to perform lower-layer device network management, upper-level cloud server functions, and remote mobile computation services. However, regarding system scalability and computation and communication efficiency, solutions that use a single microcontroller cannot cater to the demands of IoT regarding large data collection, management, communication networks, and various other services. Therefore, this study proposed an innovative multimicrocontroller system framework, combining a field-programmable gate array-based hardware bridge and scalable multiple microcontrollers to construct a master–slave architecture of a high-performance multimicrocontroller IoT gateway. The proposed system features distributed processing, high-speed communication among microcontrollers, and compatibility with a wide variety of peripheral devices. In the end of this study, we implement an IoT application system case to verify our multimicrocontroller IoT gateway which has obviously more performance advantages than before.
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Lai, Po-Jung, and 賴柏融. "Device Identity Management System in Blockchain-based IoT Enviroment." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/jp2atd.
Full textAbstract:
碩士國立臺灣科技大學
資訊管理系
106
With the rapid advancements in Internet of Things (IoT), there are more and more IoT applications fit into people’s lives, and the same as the IoT devices with those IoT applications. Also, IoT applications could provide people kinds of convenient services by the data collected through those IoT devices. However, these IoT devices have functionality to connect the Internet and usually being massively deployed into open area, and they will become the target of malicious hacker easily. Therefore, it must be identified and controlled by an identity management system, and build other security mechanisms based on the system. Nevertheless, the traditional identity management system is not suitable for IoT environment due to the kinds of its characteristic. So the identity management system for IoT is needed. The system must identify each device by an unique identity which also can indicate the owner of the device, so it can identify which device has problems and who should be notified. Besides, the system must also make sure the integrity and reliability of identity. Otherwise, once the system failure of the integrity, no one will trust the identity provided by it. To sum up, this thesis designs a device identity management system in blockchain-based IoT environment. The proposed system is using blockchain to protect the integrity of identity and solve the problem of trust between nodes. Moreover, it generates a lot of key pairs as the unique identity of device using Hierarchical Deterministic Wallets that is defined in Bitcoin Improved Protocol. When the identity was assigned to a device, it will be store into blockchain. Therefore, the device can use its identity to interact with other devices, and those devices can check the validation of the received identity by comparing the identity stored in blockchain. Finally, this thesis adopts a security analysis for the proposed system, and confirms that the proposed system can defend common attacks such as Eavesdropping Attack, Replay Attack, and Man-in-the-middle Attack. Also, this thesis discusses several situations which should be concerned in practice for the proposed system.
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Lo, Hao, and 羅浩. "Development of LoRa-Based Air Pollution Monitoring IoT System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/67t222.
Full textAbstract:
碩士國立彰化師範大學
資訊管理學系
106
According to the statistics provided by the Ministry of Health and Welfare in 2016, lung cancer has risen to become the second leading cause of cancer in Taiwan. However, more than half of lung cancer patients in Taiwan are non-smokers, which leads to the cause being likely due to air pollution. Therefore, the issue of air pollution has received more and more attention, and tracing the source of air pollution has become relatively important. This research uses IoT sensors, combining Low-Power Wide-Area communication technology to construct an air pollution monitoring system, which aims to assist people to understand the causes in affecting quality of the air in their environment. The air pollution monitoring system includes PM2.5、SO2、CO2 sensors that plug into the Arduino platform for data detection. The detected data is send to the gateway through LoRa (a Long Range Low Power Wide Area Network) network. All the collected data are then sent to the cloud platform for further analysis.Finally, add wind direction information for analysis, users can learn about the main source of air pollution or use the data for further application. Finally, the results found that when the wind direction was blown from the north of Changhua, almost will lead to the value rise of Changhua's PM2.5 and SO2. And when the value of Xitun, Xianxi and Changhua's PM2.5 and SO2 have a poor quality, most of the power generation in the Taichung Thermal Power Plant on that day not presented to showed a large situation. Therefore, it can not be inferred that the cause of poor air quality in Changhua area may be related to Taichung Thermal Power Plant. So it is not the major factor affecting the air quality in Changhua area.
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LAI, YOU-JIA, and 賴佑嘉. "The Implement of Motor Monitoring System Based on IoT Constructure." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/c58539.
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碩士大葉大學
電機工程學系
106
Nowadays, humans lite and their communication meltuods sre deeply affeued by the internet technologies. Recently, however, the internet of Things (IoT) becomes a popular noun and attracts some new study. With the advent of the IoT, industrial applications have begun to integrate the technology and the fourth Industrial revolution, which is industry 4.0 or productivity 4.0. The so-called Industrial 4.0 is a High-tech project proposed by the German government, which aims to bring the traditional manufacturing and processing industries to the IT technology Inorder to transform their industries into intelligent plants with adaptive, resource-efficient and fully automated production of human engineering genes. However in Taiwan's traditional industry due to capital, talent and hcore oteor factors can not be achieved in a short period over the target of 4.0 industry. The main purpose of this paper is try to enable enterprises to achieve digital transformation, In order to achieve the goal of Industrial 4.0,there are reguiring som way to start, to make the manufacturing industry equipment networking, and to achieve the function of industrial networking for The direction of this article is try to make the motor is indispensable to any equipment, even to monitor the motor behavior Normally,oue can make the motor monitoring system developed in this article, and install to any equipment, so that any equipment can be achieved. The purpose of networking is to make Taiwan's industry become a big step forward towards the goals of industrial 4.0 or smart plants.
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Weerapanpisit, Ponlawat. "Decentralised location-based reputation management system in IOT using blockchain." Master's thesis, 2021. http://hdl.handle.net/10362/113708.
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Dissertation submitted in partial fulfilment of the requirements for the Degree of Master of Science in Geospatial TechnologiesInternet of Things (IoT) allows an object to connect to the internet network and observe or interact with a physical phenomenon. The communication technologies allow an IoT device to discover and communicate with another one to exchange services like humans do in their social network. Knowing the reputation of another device is important to consider if it will trust before establishing a new connection to avoid an unexpected behaviour. The reputation of a device can also be varied depending on its geographical location. Thus, this thesis proposed an architecture to manage reputation values of end devices in an IoT system, based on their located area. To avoid a hard workload of the system in the cloud layer, the proposed architecture follows the cloud-fog-edge concept by adding an intermediate layer called a fog layer. In this layer, multiple smaller devices are distributed, so it used the Blockchain technology to keep the reputation management to be consistent and fault-tolerant across di erent nodes in the layer. Ethereum, which is a Blockchain implementation, was used in this work to ease the management functionalities, because it allows the Blockchain network to run a decentralised application through the Smart Contracts. The location-based part of the system was done by storing geographical areas in the Smart Contracts, and make the reputation values to be subjected to di erent regions depending on device geographical location. To reduce the spatial computation complexity in the Smart Contracts, the geographical data are geocoded by either one of two di erent spatial indexing techniques called Geohash and S2. This work introduced three experiments to test the proposed architecture, to deploy the architecture in IoT devices, and to compare the two geocoding techniques in the Smart Contracts. It also additionally proposed a compression algorithm of the geocoded data. The results showed that the proposed architecture is able to serve the objective of managing the reputation values based on location in a decentralised way. The test case scenario also demonstrated that the IoT devices were able to work as a Blockchain node. They also were able to discover the service providers in an area and obtain their reputation values by querying through the fog layer. Lastly, the comparison experiment results showed that Geohash performed better inside the developed Smart Contracts, while S2 encoded the data much faster outside the Smart Contracts. The proposed compression algorithm of geocoded data resulted in a signi cant size reduction, but it was computationally heavier in the developed Smart Contracts.
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Peng, Jun-Hao, and 彭君豪. "Implementation of IoT-Based Home Environment Sensing and Control System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/15240380438987670969.
Full textAbstract:
碩士明新科技大學
電機工程系碩士班
103
IoT (Internet of Things) is booming in recent years. Its concept based on the way of thing to thing is connected to a network through message passing, reading and processing. There’re smart family, logistics transportation and medical system, etc. in daily life, and more huge IoT business opportunities will be derived and broken through in the future. This study aimed at home environment sensing and home appliance monitoring, and considered the operation of WSN (Wireless Sensor Network)installation. Arduino used in node as arithmetic unit in coordination with XBee(802.15.4/ZigBee) module to transfer data, DHT11 temperature/humidity sensors and TGS-2602 gas sensors used to apply multiple nodes as SPIN routing protocol, transferring node data to server-end and mobile phone, sending controlling order to the server, and then sending controlling order to home appliance node for the control of home appliance through XBee connected to the server. Additionally, the effect of automatic controlled-environment can be also processed through automatic control module in the server according to environmental conditions.
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Wang, Hsi-Chun, and 王希鈞. "Applications of Environment Sensing System Based on IOT via WSN." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/52462169264057890132.
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碩士國立勤益科技大學
電機工程系
102
This study used wireless sensor network to build an intelligent environmental monitoring system based on Internet of Things, and applied this system to automatic management system for parking lots and to automatic monitoring system for home environment. The sensing modules were temperature, humidity, illumination and CO sensors. The controlled facilities were charge module of photovoltaic, exhaust blower, air conditioning and fog generator. The data received by sensors were transferred by ZigBee via wireless transmission to the programmable system-on-chip (PSoC) and the micro-controller for analysis, uploaded via TCP/IP wire transmission to the cloud server, and stored by the server in the database management system. The information was displayed by PHP: Hypertext Preprocessor on the webpage, so that the users could connect mobile device (smart phone or tablet PC) to the internet to know the monitored environmental status. In addition, a smart home was made to simulate the home environment, and the standard deviation was used to compare the sensors used in this paper with other temperature and humidity sensors on the market, so as to make sure the sensors used in this paper met the "Observation Instrument Determination Baseline" of Taiwan.
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Zhou, Guan-Heng, and 周冠亨. "The Open API Design for C2C protocol-Based IoT System." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/n6n4h7.
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碩士國立臺北科技大學
電機工程研究所
105
With the vigorous development of the Internet of Thing (IOT) and the Increase demand for multimedia interaction, the combination between the two is bound to be the future trend. That is, the Internet of things is no longer just remote control device and simple detection of information return, but the Internet of Things The system can also be between the device audio and video transmission and communication. However, the current Internet of Things common MQTT, CoAP protocol and Internet voice transmission using the SIP protocol and video transmission using the RTMP protocol, each other is not connected. Therefore, this paper extends the results of this research and development team, proposed to client-to-client (C2C) communication protocol based on the Internet of Things, the C2C protocol also completed the integration of the three functions. At the same time this article and the technology developed into an open program interface (Open API), for future developers to provide a simple use of the application interface, help to speed up the development process, improve development efficiency. Through this research, the project focuses on the development cases from several technology companies, including Mobile Cloud(雲流), FORMOSA21 (新眾), and Hantek(漢名). They have applied C2C Open API technique to fleet management and telemedicine respectively.
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Lin, Guo-Yan, and 林國焱. "Application of IoT Aquaculture Monitoring System Based on LoRa WSN." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/nf435k.
Full textAbstract:
碩士國立勤益科技大學
電機工程系
105
With the progress of the times, the network has been inextricably linked with the life of people. The application of the Internet of Things for aquaculture system improving the aquaculture technology. The application of the Internet of Things to the aquaculture system in order to enhance the aquaculture technology. In this study, we use the Internet of Things as a basis for aquaculture environment to establish aquaculture simulation monitoring system. Through the sensor to measure a variety of environmental data, and use the computer C # man-machine interface for monitoring, save historical data to MySQL for future inquiries and analysis simultaneously. Combined with mobile Android APP provides users with a more convenient way to monitor. The part of wireless sensor network terminal hardware is use of Texas Instruments MSP430 and MSP432 Microcontrollers. Wireless sensor network is based on LoRa star network, through the transmission distance experiment evaluation, LoRa network construction cost is lower than the ZigBee network. In the end, through the fuzzy control analysis of the current water temperature and water temperature change rate to control the temperature control load, so that the fish is not easy to get sick and achieve the effect of intelligent monitoring of things.
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HOU, TUNG-YUAN, and 侯統淵. "An IOT-based water level monitoring device with warning system." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/tr8n8p.
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碩士國立虎尾科技大學
光電工程系光電與材料科技碩士班
107
In this study, a semiconductor warning system was used to analyze wastewater treatment liquid levels as compared to a traditional floating sensor system. However wastewater treatment centers often experience floating sensors malfunctions that go unnoticed, delaying the processing of wastewater. When the problem is identified, more time is lost in coordination of repairs. The purpose of the study is to demonstrate that the warning system can identify the malfunction and relaying the condition in an efficient and streamline manner. This new modular early warning system provides low labor costs and the convenience of an easy warning replacement. With the warning system attached to the floating sensor, the semiconductor continuously measures the light-dependent resistor utilizing the LED light and relays the data. By observing the change in resistance, it is determined whether the function of the floating sensor is normal. A microcontroller, LinkIt 7697 developed by MediaTek, is utilized to predictlifetime and send the maintainable schedules. LinkIt 7697 utilizes a large database to analyze the light-dependent resistance and interprets the findings. In addition, the early warning system is capable of instantly transmitting text messages to mobile phones and production line scheduling systems in an immediate and dangerous state. This modular early warning system provides low labor costs and the convenience of early warning replacement. Replace the floatingsensorbefore the current in-line wastewater treatment machine is shut down. A wastewater treatment system that incorporates an active warning system will be more efficient.
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Chiu, Huan-Chieh, and 邱奐絜. "An IoT-based Sag Monitoring System for Overhead Transmission Lines." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/d8mx2v.
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碩士國立臺灣大學
生物產業機電工程學研究所
106
For power companies around the world, transmission efficiency and power grid safety are two of the most important issues. The importance of the power grid safety goes without saying, after witnessing the impacts of a few power outages, such as the Northeast blackout of 2003, the 729 and 815 blackouts in Taiwan, and the 2012 India blackouts. The safety, efficiency and flexibility of high/extra-high voltage transmission lines can be improved by conducting real-time analyses on the parameters relating to the directly monitored transmission lines and their surrounding areas. The real-time information is criterial to power companies in power grid safety monitoring and power dispatch decision making. To monitor the safety of large scaled power grids, the best solution is to introduce “Internet of Things (IoT)” to power grids and use an IoT-based safety monitoring system on power grids. “IoT” has been one of the hottest terms in technology industries. An IoT monitoring system employs a wireless sensor network at the front-end sensing module to collect required local parameters for further analysis, and the analysis results can be used to improve various services. Nevertheless, the strong electromagnetic field around high/extra-high voltage lines is quite a technical barrier for electronic devices, which is much more challenging compared to other IoT applications. But the technical barrier has been removed and a reliable monitoring system for power grids that directly measures parameters on and around high voltage transmission lines in real time has been developed. In this research, a transmission line sag system is proposed. In this system, a three-axis accelerometer is used to measure transmission line sags, preventing the monitored transmission line from touching objects beneath it, which might lead to ground fault and even large-scale power failures. This study analyzes measured sag values collected during a seven-month stable operation and compares the measured values with theoretical values. The correlation coefficient of the two types of the sag values is 0.8603, and the mean absolute percent error (MAPE) is only 0.44%. Moreover, the accuracy of the measured sag values has been verified by comparing the values with field measurements. These results confirm the high accuracy, reliability and durability of the proposed sag monitoring system. In addition, this study examines the measurement results obtained from the devices placed on the three phases of a transmission line to verify the feasibility of applying the IoT technology to EHV transmission systems. The results show that this proposed sag monitoring system has overcome the challenge of the strong electromagnetic field around a transmission line with high/extra-high voltage. It reduces excessive construction costs when using other power grids monitoring systems. By adopting the IoT technology, the proposed system is able to be widely implemented in large-scale power grid monitoring. And, the line sag information can be used as power dispatch suggestions. The research results and conclusion provide criterial information not only to improve the flexibility of power dispatch but also to ensure the safety of power grids.
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Wu, Yi-Da, and 吳宜達. "Universal Gateway Based on NB-IoT System Integration and Exploitation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/xvpz8r.
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碩士大同大學
機械工程學系(所)
107
The purpose of this thesis is to design and fabricate a NB-IoT universal gateway for a fixed-point IoT data acquisition system. The NB-IoT universal gateway can periodically collect data from peripheral devices using the RS485 bus through the MODBUS protocol, and then upload the data to the network server through the NB-IoT communication module inside the NB-IoT universal gateway. And the actual server is set up to receive the uploaded data and view the latest information and historical records. The NB-IoT universal gateway uses the STM32F103RCT6 microcontroller as the main control system. It collects data from the peripheral device as the MODBUS communication master and the UB-IoT communication module UBLOX SARA-R410M-02B through the UART AT Command. After the operation, the data is transferred to the NB-IoT communication module for uploading. The NB-IoT universal gateway is powered by an external 24~5V DC power supply and is equipped with a lithium battery and a charging chip to allow the system to continue operating when external power is interrupted or unstable. The data upload method is uploaded to the server by using the HTTP GET method, and the data is transmitted to the PHP webpage through the URL parameter, and the PHP webpage is stored in the MySQL database according to the data in the received parameters. When viewing the data record on the PHP page, PHP will search for the MySQL based on the browsed category and display it on the web page. This study finally completed the NB-IoT universal gateway, and through the test, the data can be collected through the MODBUS protocol and uploaded to the PHP page through the NB-IoT module, and the devices history log can be viewed on the PHP page.
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Chen, Yi-Gui, and 陳乙溎. "A Laboratory Surveillance System Based on the Internet of Things (IoT)." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/40621231772748870111.
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碩士國立中興大學
電機工程學系所
102
For the control of experimental environments, it may need to record or review the factors of environments periodically according to different certified requirements of laboratories. Hence, this thesis intends to explore how to construct automatic and convenient Human-Machine interfaces for environmental monitoring. The concept of Things of Internet (IoT) becomes more and more widespread due to the improvement of computers and development of Internet applications for the past few years. In an IoT system, a central server can efficiently manage, control and exchange data with surrounding devices or sensors toaccomplish Ambient Intelligence (AmI) forhomes, offices and factories as well as automatic control. In this thesis, we use Beaglebone development boards, which are Linux-based and contain ARM (Advanced RISC Machine) hardware architecture, as the core development platform. Employing such boards to build an IoT system can significantly shorten the development procedure and is easy to connect a device to different sensors. Besides, installing the MQTT block into the system makes devices able to communicate mutually via the Ethernet or Wireless network. Particularly, the real-time data collected by the IoT system can be used to prevent environmental abnormity from endangering public safety. Moreover, the integrated data can be further used as the essential statistics for measuring varianceor computing uncertainty tofacilitate thework of doing certification reports.
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Chu, Cheng-Yuan, and 渠正源. "The Design of Digital Signage Management System based on IoT technology." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/6v9mzk.
Full textAbstract:
碩士淡江大學
資訊工程學系碩士在職專班
104
With the advent of the digital era, digital signage players have gradually replaced conventional paper advertising and have been widely used in broadcast advertising, digital learning, exhibition tours, and other aspects. However, traditional digital signage players require a Set Top Box, STB as the service medium, resulting in service reliance on specific hardware. Meanwhile, there is no uniform standard for manfuacutrers to follow during digital signage development. As a result, users must change the entire hardware to update or replace an STB. On the other hand, the IoT has set up a combination of dignity signage and cloud services to provide services through webpage browser management, even without an STB, thus the enhanced ease of use and convenience. As far as users are concerned, there is no need for them to install management software on their computer, thus preventing possible management software and computer operating system incompatibility. For users unfamiliar with the network environment, the plight of having to independently configure complex parameter settings during management software installation can also be avoided. In addition, the IoT digital signage set up involves the use of registration serial numbers, which helps prevent possible IP conflict or loss, as is seen in the fixed IP method. However, in terms of IOT digital signage usage, equipment management and monitor remain weak. In this study, the advantages of hardware and IoT digital signage players were extracted. With the digital signage management system using IoT technology as the basis, the digital signage services require no specific hardware equipment. In addition, the management system’s capabilities in digital signage equipment management and status monitoring can be enhanced, while equipment group setting convenience and group messaging flexibility can be strengthened.
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洪浩哲. "Scalable Fault Tolerant IoT Coordinated Gateway System Based on Distributed Service." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/6sq8jx.
Full textAbstract:
碩士國立交通大學
資訊科學與工程研究所
104
With the developing of embedded devices and the widespread of communication network, the Internet of Things (IoT) is one of the most popular topics nowadays. The data produced by sensors can be analyzed then used by governments or businesses. The number of IoT sensors grows fast; in fact, there are many researches shows that the number of sensors will be twice of the number of sensors now. The architecture of IoT consists of sensor network, gateways and cloud. Sensors are responsible for sensing information around; gateways are in charge of bridging sensors and cloud, and cloud is the place where the sensor data be analyzed. When the number of sensors increasing, the need of gateways increases; also the frequency of failure might increase, too. Therefore, the stability of gateway is the new requirement. In this thesis, we propose a scalable IoT coordinated gateway system based on distributed system with fault tolerance. This can fix the faults happen to gateway system when sensor data is receiving. Besides, we implement a data preprocessing module in our gateway system, in order to ease the burden of network bandwidth and save computing power of cloud. Last, we evaluate our gateway system from three aspect: scalability, fault tolerance and computing power.
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Tsai, Ming-Han, and 蔡明翰. "Applications of Wireless Sensor Network for Monitoring System Based on IOT." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/21639563097862017890.
Full textAbstract:
碩士國立勤益科技大學
電機工程系
100
This thesis is based on concept of IOT. The application of ZigBee wireless sensor network and construction of the monitoring system through IOT sense layer technology. In environmental monitoring studies, the study uses the temperature and humidity sensor, illumination sensor, three-axis acceleration sensor to monitor the state of the environment. Use network layer technology of IOT, and create a network to ZigBee wireless network. By wireless transmission technology, environmental monitoring information transmitted to the monitoring and control client. Monitoring client to design human-computer interface that be integrate ZigBee sensor node information. In this thesis, individual IOT application layer design experiments to be discussed. The illumination sensor for automatic basketball court lighting experiments, three-axis acceleration sensor used in infant sleeping position and falls among the elderly care experiment, the temperature and humidity sensors used in the comfortable environment experiments are discussed. In addition, the PSO operator to handle a large number of environmental monitoring data. Return the sensor information of the state of the environment. Through the PSO algorithm analysis to deal with the problem of the state of the environment, and the objectives set for analysis. The final target state can be obtained from a large number of data. PSO algorithm for IOT analyze the state of the environment is feasible. Due to a variety of technical rapid development of wireless sensor networks to automatic control system more perfect combination derived from today's IOT. In this thesis for the monitoring system that be constructed by the wireless sensing technology. Not only can effectively reduce the consumption of resources, but also increased the efficiency of health care and life of comfort and convenience.
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Chang, Yi-Kuo, and 張益國. "A Context-Aware Recommender System for IoT based Interactive Digital Signage." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/62397245555657256041.
Full textAbstract:
碩士國立臺灣海洋大學
運輸科學系
104
In the online-to-offline (O2O) and omni-channel retailing environment, consumers can switch different channels very easily. In response to the changing of consumer shopping behavior toward M-Commerce, companies strive to develop novel customer interactive IoT systems to engage consumers. IoT-based interactive digital signage has rich multimedia effects, making it a successful marketing tool for many retail firms; they can use the digital signage to provide wayfinding and location information and personal message and advertising to people who stay in front of the digital signage. Digital signage has become an important Business 4.0 smart retailing tool for most department stores and large shopping centers. However, most digital signage systems today lack interactive functions to the customer. And few digital signage systems available in the recent years are also insufficient in many aspects, such as, their recommendation model is deficiency in engaging anonymous passengers/visitors or customers without purchasing record and also not considering people will switch the preferences when the condition change. Few research works concerning the interactive digital signage can be found. Thus, this proposal delves into this new important research area in IoT and smart retailing. This proposal plan to collect historical data set of market transaction collected from mobile device users. Then, based on these data, various research methods from data mining, recommendation system development and experiment are applied to develop an analytical model for context-Aware recommender system for Interactive Digital Signage. This model is applied to a Recommendation analyze to target anonymous viewer and improve system prediction accuracy, in order to enhance the benefits of deploying DS in omni-channel retailing environment.
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Chih-HaoKang and 康志豪. "A Peritoneal Dialysis Patient Data Collection System Based on IoT Concept." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/8784rx.
Full textAbstract:
碩士國立成功大學
工程科學系
105
Peritoneal dialysis is the treatment for many patients with chronic kidney disease. However, there are some issues to be addressed and improved: (1) Patients or their families need to fill the paper medical records after treatments, (2) Paper medical records are not convenient for caregivers to manage and to have a long-term follow up, (3) Due to the lack of caregivers’ direct caring, patients or their families need to pay more attention to the physical health of patients. Therefore, the concept of Internet of Things is introduced to develop an HTML5 web-based data collection system for peritoneal dialysis patients and caregivers. To reduce the burden of patients, and help caregivers to track and manage patients’ medical records, the existing wireless blood pressure meter, the pulse meter, the wireless scale, and the specifically designed wireless CAPD dialysate weight sensor were selected because they had network capability. In addition to achieving the purpose of remote care, health education on the web page is provided and LINE APP is developed to help patients and caregivers to communicate with each other.
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Dai, Kuan-Cheng, and 戴寬丞. "Indoor Thermal Comfort Environment Monitoring System Based on Architecture of IoT." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/m35cne.
Full textAbstract:
碩士國立勤益科技大學
電機工程系
106
With the development and advancement of technology, people's requirements for quality of life are getting higher and higher. This study builds an indoor thermal comfort environment monitoring system based on architecture of IoT architecture to explore the thermal comfort for people in indoor environments. The indicators applied to this study were selected from a range of thermal comfort indicators. This study applies Matlab to simulate and analyze indoor environmental parameters, it can comprehends its effect on the thermal comfort index. As an important data for setting the fuzzy rule base, three methods for controlling thermal comfort are proposed according to the ISO7730 comfort standard and energy saving requirements. This study uses Arduino UNO as a development substrate to set up sensing nodes for indoor environments. It uses ESP8266 for wirelessly transmit data to the terminal devices. Through the C# human-machine interface monitoring data, the controllable load is controlled by wireless remote mode. Finally, the data is stored in a database as an experiment and analysis in the future. This actual measurement experiment verify the thermal comfort and energy saving effects based on the three modes of comfort, general and energy saving. The study result achieves thermal comfort and energy saving balance.
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CHOU, CHEN-CHU, and 周承駒. "Home Quality Improvement and Monitoring Based on Cloud and IoT System." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/abe34d.
Full textAbstract:
碩士銘傳大學
醫療資訊與管理學系健康產業管理碩士班
107
With the growing phenomenon of less child in Taiwan, the overall population structure is rapidly aging, and the Ministry of Health and Welfare approved the Long-Term Care V2.0 Decade Plan in 2017, the exposure of the relevant parental care is gradually increasing. If we take care the elders rely on manpower is difficult to maintain quality and safety. In this study, a system based on information technology can assist the care of the elder in home quality monitoring. The system provides two features to enhance home care. The first is to monitor the air quality in the home. The system provide the relevant concentration about carbon dioxide, carbon monoxide, methane, PM2.5, etc. If the concentration is above the specific threshold, the system will give a warning to the user. The second is to apply the camera and microphone to monitor the boiling water. The system adopts OpenCV to recognize if the boiling water boils and the user does not turn off the fire. After that, the effectiveness of the detection of boiled water for cameras and microphones will be compared. In this system, we apply a variety of data transmission technologies, such as Bluetooth 4.0 and wireless transmission and wireless network technology for the transmission of sensing information. The data integration in the home care is handled by the Raspberry Pi2, which acts as a gateway, and then transmitted to the cloud system. From the experimental results, if the system is available, the quality of home care for the elder will be effectively improved.
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陳武麟. "Implementation of an IoT-based Behavior Analysis System for Elderly Healthcare." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/aq6dm8.
Full textAbstract:
碩士南臺科技大學
電子工程系
106
In today’s advanced countries of the world, the ageing society is a trend. World Alzheimer report 2015 pointed out the elderly people have become a high-risk group of dementia or depression. As the population of elderly people increases, the cost of care for diseases such as depression or dementia will also be increased. Therefore, in this study, we used the idea that elderly people of dementia or depression have differences in their daily behaviors and action locations to implement an IoT-based behavior analysis system for elderly healthcare. This system includes smart glasses, BLE gateway, and cloud platform. By wearing smart glasses and BLE Beacon that built in the environment, the actions and location data of the elderly people can be uploaded to the cloud platform via the BLE Gateway. In this thesis, we develop a behavior difference analysis algorithm on the cloud platform, which can identify the difference between the current behavior and past behavior of the elderly people, and immediately issue an early warning and notify the relevant care institution when the behavior difference is over default thresholds. The simulation experiments demonstrated that the proposed system can accurately identify abnormal behaviors of the elderly people by wearing smart glasses. Therefore, the proposed can provide hospitals or care institutions to determine the elderly people whether belong a high-risk group (suffering from dementia or depression), and providing relevant medical care to improve the cure rate or delay the deterioration of the disease. Moreover, the proposed system can effectively reduce the cost of care and medical expenses.
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Almeida, Ana Laura Costa. "IoT-based monitoring platform for indoor thermal comfort data collection." Master's thesis, 2019. http://hdl.handle.net/10773/29446.
Full textAbstract:
Considering the noticeable climatic changes from past years, a general interest
in finding solutions to reduce the environmental footprint has been growing.
Among the major sources of energy consumption in domestic buildings, climate
control is placed at top positions. In order to achieve a balance between
the energy consumption levels and the occupants’ thermal comfort, several
studies have been conducted all over the world regarding users’ behavior and
their thermal comfort perception. It is within this scope that this dissertation
addresses comfort monitoring.
The study proposed in this project focuses on retrieving thermal comfort data
based on the Portuguese families lifestyle and the Mediterranean climate. This
dissertation aims to collect a good quality dataset that can be later analysed
in order to extract useful information about how to develop effective solutions
that are able to reduce the energy consumption levels without compromising
the thermal comfort levels that householders are used to.
In order to collect the dataset, certain long-term indoor measurements were
collected, such as temperature, humidity and motion detection, through Zig-
Bee sensors. These measurements were sent and stored in an open-source
IoT platform, responsible for monitoring the data collection process and generating
alerts when it detects a failure that cannot be solved without user intervention.
The measurements are sent from the sensors to the IoT platform through a
gateway, which acts as an intermediary for protocol translation and also implements
monitoring functionalities.
As a result of the study, data from 15 houses were collected during, approximately,
8 months, but the study is still running. The resulting dataset has
undergone preliminary analysis, for the quality obtained and the developed
data collection process point of view.Estima-se que, atualmente, grande parte da energia produzida seja consumida por edifícios do setor residencial para efeitos de controlo climático. Com o objetivo de desenvolver soluções de forma a reduzir o consumo de energia associado ao controlo climático sem comprometer o conforto dos residentes, vários estudos têm sido desenvolvidos a nível mundial relacionados com o comportamento dos habitantes e o seu nível de conforto. É nesse âmbito que se insere esta dissertação. Esta dissertação propõe-se a recolher um dataset sobre níveis de conforto térmico em ambiente doméstico, com base no clima mediterrânico e na rotina típica das famílias portuguesas. Mais tarde, esse dataset pode ser estudado de forma a extrair informação útil sobre que tipo de soluções se podem desenvolver com o objetivo de reduzir o consumo energético enquanto se mantêm os níveis de conforto já praticados. Para recolher esse dataset, determinados parâmetros do ambiente interior das casas foram recolhidos durante um longo período de tempo através de sensores ZigBee, como, por exemplo, temperatura, humidade e deteção de movimento. Essas medições foram enviadas e guardadas numa plataforma IoT, construída com base em software open-source, que monitoriza o processo de recolha dos dados e gera alertas quando deteta uma falha que não possa ser corrigida sem intervenção manual. O envio das leituras dos sensores ZigBee para a plataforma IoT é feito através de uma gateway, que age como um intermediário na comunicação e implementa funcionalidades necessárias para o processo de monitorização. O estudo permitiu a recolha de informação em 15 casas, durante, aproximadamente, 8 meses, e ainda se encontra a decorrer. Foi ainda realizada uma análise inicial sobre os dados recolhidos, do ponto de vista da qualidade do dataset obtido e do processo de recolha desenvolvido.
Mestrado em Engenharia de Computadores e Telemática