Relevant bibliographies by topics / Sensors and controls

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Sensors and controls'

Author: Grafiati
Published: 25 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Sensors and controls"

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Benammar, Mohieddine A., Sabbir H. M. Ahmad, Abderrazak Abdaoui, Hasan Tariq, Farid Touati, Mohammed Al-Hitmi, and Damiano Crescini. "A Smart Rig for Calibration of Gas Sensor Nodes." Sensors 20, no. 8 (April 20, 2020): 2341. http://dx.doi.org/10.3390/s20082341.

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Electrochemical gas sensors require regular maintenance to check and secure proper functioning. Standard procedures usually involve testing and recalibration of the sensors, for which working environments are needed. Periodic calibration is therefore necessary to ensure reliable and accurate measurements. This paper proposes a dedicated smart calibration rig with a set of novel features enabling simultaneous calibration of multiple sensors. The proposed calibration rig system comprises a gas mixing system, temperature control system, a test chamber, and a process-control PC that controls all calibration phases. The calibration process is automated by a LabVIEW-based platform that controls the calibration environment for the sensor nodes, logs sensor data, and best fit equation based on interpolation for every sensor on the node and uploads it to the sensor node for next deployments. The communication between the PC and the sensor nodes is performed using the same IEEE 802.15.4 (ZigBee) protocol that the nodes also use in field deployment for air quality measurement. The results presented demonstrate the effectiveness of the sensors calibration rig.
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Mary, McNamara, Segamogaite Ruta, Shaw Pamela, McDermott Christopher, Mazzá Claudia, and Hewamadduma Channa. "THUR 229 Inertial sensors improve traditional gait monitoring in HSP patients." Journal of Neurology, Neurosurgery & Psychiatry 89, no. 10 (September 13, 2018): A33.2—A33. http://dx.doi.org/10.1136/jnnp-2018-abn.115.

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BackgroundHSP is characterised by spasticity and progressive gait impairment. There’s no reliable way to monitor gait deterioration during clinics. Optoelectronic systems have demonstrated differing characteristics between gait of HSP patients and controls. They’re expensive and impractical for use in clinic settings. Inertial sensors haven’t been used to characterise HSP gaitObjectivesStudy use of inertial sensors to identify gait characteristics that differentiate mild HSP patients from controls. To identify a gait based biomarker which can be used to monitor disease progression in a longitudinal study.MethodsNeurological examination, SPRS, Modified Ashworth score, brief pain inventory were undertaken. Instrumented timed up and go (iTUG) and instrumented 10 metre walk tests (i10) wearing an inertial sensor during clinic appointments at 6 month intervals.ResultsGait variables differentiating between patients and controls, including those with mild disease, were identified. Parameters differentiating between patients with SPG4 and SPG7 mutations were found. 8 patients were re-assessed after 6 months. Analysis did not show gait deterioration.ConclusionInertial sensors can detect differences between HSP patients and controls, including those mildly affected. They can also differentiate between patients with different mutations. Further follow up data is needed to assess whether inertial sensors can predict future gait deterioration.
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Pranav Darji, Chirayu. "IoT Based Sensor for Humidity and Temperature Measurement in Smart HVAC Systems." International Journal of Recent Technology and Engineering 9, no. 5 (January 30, 2021): 42–44. http://dx.doi.org/10.35940/ijrte.e5125.019521.

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The initials HVAC stand for Heating, Ventilation and Air Conditioning. They describe the functions of an HVAC system. This mechanical system’s design is primarily an attempt to take control of the environmental conditions inside the space of work by controlling and monitoring the temperature of a room through heating and cooling. It also controls the humidity level in that environment by controlling the movement and distribution of air inside the room. For determining the temperature and humidity, costly sensors are required. These sensors are the traditional mechanical sensors which can’t offer any additional services like cloud support, data storage, etc. Hence here I am proposing an IoT based sensor with cloud data storage using Arduino-Uno development board, ESP8266 and Thingspeak cloud. This sensor is economical and supports automatic reading and controlling of the humidity and temperature and sends this data to a secured server and thus monitors and controls the temperature and humidity of the system.
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Porciuncula, Franchino, Paula Wasserman, Karen S. Marder, and Ashwini K. Rao. "Quantifying Postural Control in Premanifest and Manifest Huntington Disease Using Wearable Sensors." Neurorehabilitation and Neural Repair 34, no. 9 (July 16, 2020): 771–83. http://dx.doi.org/10.1177/1545968320939560.

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Background. Impairments in postural control in Huntington disease (HD) have important consequences for daily functioning. This observational study systematically examined baseline postural control and the effect of sensory attenuation and sensory enhancement on postural control across the spectrum of HD. Methods. Participants (n = 39) included healthy controls and individuals in premanifest (pHD) and manifest stages (mHD) of HD. Using wearable sensors, postural control was assessed according to (1) postural set (sit vs stand), (2) sensory attenuation using clinical test of sensory integration, and (3) sensory enhancement with gaze fixation. Outcomes included sway smoothness, amplitude, and frequency. Results. Based on postural set, pHD reduced postural sway in sitting relative to standing, whereas mHD had pronounced sway in standing and sitting, highlighting a baseline postural deficit. During sensory attenuation, postural control in pHD deteriorated relative to controls when proprioceptive demands were high (eyes closed on foam), whereas mHD had significant deterioration of postural control when proprioception was attenuated (eyes open and closed on foam). Finally, gaze fixation improved sway smoothness, amplitude, and frequency in pHD; however, no benefit was observed in mHD. Conclusions. Systematic examination of postural control revealed a fundamental postural deficit in mHD, which further deteriorates when proprioception is challenged. Meanwhile, postural deficits in pHD are detectable when proprioceptive challenge is high. Sensory enhancing strategies using gaze fixation to benefit posture may be useful when introduced well before motor diagnosis. These findings encourage further examination of wearable sensors as part of routine clinical assessments in HD.
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SANTANA, JUAN, and RICHARD VAN DEN HOVEN. "A CAPACITIVE MEMs VERILOGA-BASED SENSOR SYSTEM FOR BUILDING INTEGRITY MONITORING." International Journal of Information Acquisition 08, no. 02 (June 2011): 153–59. http://dx.doi.org/10.1142/s0219878911002409.

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A capacitive MEMS Ultra-Low-Power readout for accelerometers and strain sensors using VerilogA models is presented. The VerilogA model of the accelerometers and strain sensors allows the simulation of a system in a half-bridge configuration. The gain of the system is controlled by integrating pulses from the excitation voltage which accurately controls the Signal-to-Noise ratio. A Figure-of-Merit of [Formula: see text] was achieved for a sensor range of ±2.0 g and ±20,000 με over a 100 Hz bandwidth. Residual motion artefacts are also canceled by the system.
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Borkar, Mohit. "Bolt-on Autonomous E-Vehicle System." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 30, 2021): 3924–29. http://dx.doi.org/10.22214/ijraset.2021.35888.

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In this research we have undertaken the task to design and develop a Level - 3 bolt-on autonomous electric vehicle system, which includes lateral and longitudinal controls which means speed and steering. The paper includes the sensors used for obstacle detection and planning in the autonomous vehicle system, and how using stereo cameras reduces the number of sensors needed to be used in the sensor suite. The Autonomous system will be retro-fitted on any existing electric vehicle to make it autonomous and thus increasing its product life cycle.
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Kuchmenko and Lvova. "A Perspective on Recent Advances in Piezoelectric Chemical Sensors for Environmental Monitoring and Foodstuffs Analysis." Chemosensors 7, no. 3 (August 26, 2019): 39. http://dx.doi.org/10.3390/chemosensors7030039.

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This paper provides a selection of the last two decades publications on the development and application of chemical sensors based on piezoelectric quartz resonators for a wide range of analytical tasks. Most of the attention is devoted to an analysis of gas and liquid media and to industrial processes controls utilizing single quartz crystal microbalance (QCM) sensors, bulk acoustic wave (BAW) sensors, and their arrays in e-nose systems. The unique opportunity to estimate several heavy metals in natural and wastewater samples from the output of a QCM sensor array highly sensitive to changes in metal ion activity in water vapor is shown. The high potential of QCM multisensor systems for fast and cost-effective water contamination assessments “in situ” without sample pretreatment is demonstrated.
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Angelini, Lorenza, William Hodgkinson, Craig Smith, Jessie Moorman Dodd, Basil Sharrack, Claudia Mazzà, and David Paling. "Wearable sensors can reliably quantify gait alterations associated with disability in people with progressive multiple sclerosis in a clinical setting." Journal of Neurology 267, no. 10 (May 28, 2020): 2897–909. http://dx.doi.org/10.1007/s00415-020-09928-8.

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Abstract Gait disability in people with progressive multiple sclerosis (MS) is difficult to quantify using existing clinical tools. This study aims to identify reliable and objective gait-based biomarkers to monitor progressive multiple sclerosis (MS) in clinical settings. During routine clinical visits, 57 people with secondary progressive MS and 24 healthy controls walked for 6 minutes wearing three inertial motion sensors. Fifteen gait measures were computed from the sensor data and tested for between-session reliability, for differences between controls and people with moderate and severe MS disability, and for correlation with Expanded Disability Status Scale (EDSS) scores. The majority of gait measures showed good to excellent between-session reliability when assessed in a subgroup of 23 healthy controls and 25 people with MS. These measures showed that people with MS walked with significantly longer step and stride durations, reduced step and stride regularity, and experienced difficulties in controlling and maintaining a stable walk when compared to controls. These abnormalities significantly increased in people with a higher level of disability and correlated with their EDSS scores. Reliable and objective gait-based biomarkers using wearable sensors have been identified. These biomarkers may allow clinicians to quantify clinically relevant alterations in gait in people with progressive MS within the context of regular clinical visits.
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Li, Tao, Bao Hua Bai, and Xue Jun Pi. "A Low Power Wireless Sensor Network Based on ZigBee for Data Acquisition." Applied Mechanics and Materials 380-384 (August 2013): 3556–60. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.3556.

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This paper presents a low power ZigBee sensor network for use in data acquisition fields. The network consists of end devices with sensors, routers that propagate the network over larger distances, and a coordinator that communicates with the computer, which in turns illustrates the data and controls the entire system. The end devices provide data from the sensors to the personal computer, at variable time points determined by the central node. As part of the investigation, extensive studies were performed to reduce the data packets loss. The algorithm developed at the end devices and the coordinator for this purpose is described in detail. Finally, the circuit that drives the humidity sensor, which contributes reducing power consumption and increasing the systems life time, is presented.
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Widodo, Slamet, M. Miftakul Amin, and Adi Sutrisman. "The Design of The Monitoring Tools Of Clean Air Condition And Dangerous Gas CO, CO2 CH4 In Chemical Laboratory By Using Fuzzy Logic Based On Microcontroller." E3S Web of Conferences 31 (2018): 10008. http://dx.doi.org/10.1051/e3sconf/20183110008.

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There are many phenomena that human are exposed to toxins from certain types such as of CO2, CO2 and CH4 gases. The device used to detect large amounts of CO, CO2, and CH4 gas in air in enclosed spaces using MQ 135 gas sensors of different types based on the three sensitivity of the Gas. The results of testing the use of sensors MQ 135 on the gas content of CO, CO2 and CH4 received by the sensor is still in the form of ppm based on the maximum ppm detection range of each sensor. Active sensor detects CO 120 ppm gas, CO2 1600 ppm and CH4 1ppm "standby 1" air condition with intermediate rotary fan. Active sensor detects CO 30 ppm gas, CO2 490 ppm and CH4 7 ppm "Standby 2" with low rotating fan output. Fuzzy rulebase logic for motor speed when gas detection sensor CO, CO2, and CH4 output controls the motion speed of the fan blower. Active sensors detect CO 15 ppm, CO2 320 ppm and CH4 45 ppm "Danger" air condition with high fan spin fan. At the gas level of CO 15 ppm, CO2 390 ppm and CH4 3 ppm detect "normal" AC sensor with fan output stop spinning.
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Dissertations / Theses on the topic "Sensors and controls"

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Tong, Jingbo. "MEASUREMENT AND MODELING OF HUMIDITY SENSORS." UKnowledge, 2014. http://uknowledge.uky.edu/ece_etds/59.

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Humidity measurement has been increasingly important in many industries and process control applications. This thesis research focus mainly on humidity sensor calibration and characterization. The humidity sensor instrumentation is briefly described. The testing infrastructure was designed for sensor data acquisition, in order to compensate the humidity sensor’s temperature coefficient, temperature chambers using Peltier elements are used to achieve easy-controllable stable temperatures. The sensor characterization falls into a multivariate interpolation problem. Neuron networks is tried for non-linear data fitting, but in the circumstance of limited training data, an innovative algorithm was developed to utilize shape preserving polynomials in multiple planes in this kind of multivariate interpolation problems.
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Yu, Rui. "A REDUNDANT MONITORING SYSTEM FOR HUMAN WELDER OPERATION USING IMU AND VISION SENSORS." UKnowledge, 2018. https://uknowledge.uky.edu/ece_etds/128.

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In manual control, the welding gun’s moving speed can significantly influence the welding results and critical welding operations usually require welders to concentrate consistently in order to react rapidly and accurately. However, human welders always have some habitual action which can have some subtle influence the welding process. It takes countless hours to train an experienced human welder. Using vision and IMU sensor will be able to set up a system and allow the worker got more accurate visual feedback like an experienced worker. The problem is that monitor and measuring of the control process not always easy under a complex working environment like welding. In this thesis, a new method is developed that use two different methods to compensate each other to obtain accurate monitoring results. Vision sensor and IMU sensor both developed to obtain the accurate data from the control process in real-time but don’t influence other. Although both vision and IMU sensor has their own limits, they also have their own advantage which can contribute to the measuring system.
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Vera, Carrasco Luciano. "Sensory quality control of alcoholic beverages using fast chemical sensors." Doctoral thesis, Universitat Rovira i Virgili, 2010. http://hdl.handle.net/10803/9061.

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Control de calidad sensorial de bebidas alcohólicas utilizando rápidos sensores químicos
En la presente tesis Doctoral, han sido aplicados dos sensores artificiales para el análisis de
bebidas alcohólicas: la nariz electrónica basada en la espectrometría de masas (MS) y la lengua
electrónica basada en la espectroscopía infrarroja con transformada de Fourier (FTIR). El
propósito fue desarrollar nuevas estrategias para analizar la autenticidad de estos productos,
desde un punto de vista sensorial, por medio de técnicas las espectrales antes mencionadas.
Adicionalmente, ha sido utilizado un espectrofotómetro UV-visible como ojo electrónico. El
trabajo presentado pretende ser un avance significativo hacia el desarrollo de un catador
electrónico mediante la fusión de los tres sensores químicos: nariz electrónica, lengua
electrónica y ojo electrónico.
Sensory quality control of alcoholic beverages using fast chemical sensors
In the present Doctoral Thesis, two chemical artificial sensors are applied to the analysis of
alcoholic beverages: the Mass Spectrometry (MS)-based electronic-noses and Fourier
transform infrared (FTIR)-based electronic-tongue. The aim was developing new strategies to
test the authenticity of these products, from a sensory point of view, by means of the spectral
techniques above mentioned. Additionally, has been used an UV-visible spectrophotometer as
electronic eye. The work presented wants to be a significant advance towards the development
of an electronic taster through the fusion of three chemical sensors: electronic nose, electronic
tongue and electronic eye.
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Rossi, Anderson Rodrigo 1981. "Uma nova técnica de comunicação e alimentação de transdutores inteligentes utilizando apenas um fio baseada no padrão IEEE 1451." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/258976.

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Orientador: Elnatan Chagas Ferreira
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação
Made available in DSpace on 2018-08-23T02:42:42Z (GMT). No. of bitstreams: 1 Rossi_AndersonRodrigo_M.pdf: 49446456 bytes, checksum: e180d104b943e830a31e17128fa88249 (MD5) Previous issue date: 2013
Resumo: Sabe-se que atualmente, transmissores de loop de corrente, alimentados por um host ou data logger (equipamentos de leitura e/ou armazenamento de dados) são as técnicas mais utilizadas para medição e controle distribuído. Essa transmissão, normalmente, consiste na conexão individual por meio de, no mínimo, um fio, conectando os sensores remotos ao equipamento de leitura de dados. Ressalta-se que, se faz necessária a utilização de um fio terra para o retorno da corrente elétrica juntamente a esse fio de sinal, sendo descrito no texto como "um fio". Consequentemente, com a complexidade envolvida em um processo industrial, tem-se uma grande quantidade de sensores envolvidos, de modo que a ligação de todos os sensores ocasiona uma grande quantidade de fios que convergem para o equipamento de leitura de dados, gerando uma enorme complexidade nas decisões a serem tomadas em relação à instalação e manutenção do sistema. O trabalho tem como objetivo utilizar apenas um fio para a conexão entre vários sensores e atuadores remotos e o equipamento de leitura de dados, a fim de obter, com a diminuição da quantidade de cabeamento, melhoria no controle, precisão nas decisões a serem tomadas, consequentemente, uma maior simplicidade na manutenção e expansão do sistema, além de ser bastante estável às interferências eletromagnéticas, pois o fio recebe a mesma interferência eletromagnética em toda sua extensão e esse efeito se anula permitindo a comunicação entre grandes distâncias. Trata-se de um sistema de interfaceamento de sensores inteligentes a equipamentos de leitura de dados baseado nos padrões IEEE 1451, o qual emprega uma técnica para envio e recebimento de dados e a própria alimentação dos sensores remotos utilizando apenas um fio. O sistema proposto é formado por um NCAP (Network Capable Application Processor), um TII (Transducer Independent Interface), um TIM (Transducers Interface Module), 64 sensores e 64 atuadores caracterizando 128 TransducerChannels. Foi realizado um comparativo com um sistema utilizado pela FEAGRI-UNICAMP (Faculdade de Engenharia Agrícola) para a medição de temperatura no processo de armazenamento com secagem de grãos em silos por aeração forçada para a validação do sistema. Com isso pôde-se verificar as vantagens com relação à rapidez na instalação, facilidade de manutenção, redução de materiais (fios) e confiabilidade no sistema
Abstract: It's known that nowadays, current loop transmitters, fed by a host or a data logger are the most commonly used techniques to distributed measurement and control. Usually this transmission consists of an individual connection through at least a wire pair, connecting the remote sensors to the data logger. It's noted that it's necessary the use of the ground wire to electric current return with this signal wire, it's described at the text as "1 wire". Consequently, with the complexity involved in an industrial process, there is a great amount of involved sensors, in a way that all sensors connection causes a need of a great amount of wires that converge to the data reading equipment, causing a tremendous complexity around the decisions to be taken about the installation and maintenance of the system. This work has as objective using just 1-Wire (a source/communication wire and a common wire) to connect many remote sensors and actuators to the data logger, causing, with the reduction of the cabling amount, a control improvement, accuracy in the decisions to be taken, consequently, a great simplicity in the system maintenance and expansion, besides it's very stable against electromagnetic interference (EMI), because 1-Wire receives the similar EMI and it cancel this effect allowing taking possible to communicate for greater distances. This work discusses the smart sensors interface to data logger based on IEEE1451 standard and it uses a sending/receiving data and sourcing technique using just 1-Wire. The proposed system is formed by a NCAP (Network Capable Application Processor), a TII (Transducer Independent Interface), a TIM (Transducers Interface Module), 64 sensors and 64 actuators, characterizing 128 TransducerChannels. A comparison was made with a system that is used by FEAGRI-UNICAMP (College of Agricultural Engineering - University of Campinas) to measure the temperature at the storage process with grain drying in recipients by forced aeration to validate the system. Thus it can be verified the advantages related to the velocity in the installation, easier maintenance, materials reduction (wires) and reliability on the system
Mestrado
Eletrônica, Microeletrônica e Optoeletrônica
Mestre em Engenharia Elétrica
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Andersson, Mike. "SiC based field effect sensors and sensor systems for combustion control applications." Doctoral thesis, Linköping : S-SENCE and Division of Applied Physics, Department of Physics, Chemistry, and Biology, Linköping University, 2007. http://www.bibl.liu.se/liupubl/disp/disp2007/tek1077s.pdf.

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Júnior, José Batista de Oliveira. "Controle de uma plataforma inercial estabilizada com três graus de liberdade." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-27062016-154420/.

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Esta dissertação apresenta o desenvolvimento de uma plataforma inercial autônoma com três graus de liberdade para aplicação em estabilização de sensores - por exemplo, gravimétricos estacionários e embarcados - podendo ser utilizada também para estabilização de câmeras. O sistema é formado pela Unidade de Medida Inercial, IMU, desenvolvida utilizando um sensor micro eletromecânico, MEMS - que possui acelerômetro, giroscópio e magnetômetros nos três eixos de orientação - e um microcontrolador para aquisição, processamento e envio dos dados ao sistema de controle e aquisição de dados. Para controle dos ângulos de inclinação e orientação da plataforma, foi implementado um controlador PID digital utilizando microcontrolador. Este recebe os dados da IMU e fornece os sinais de controle utilizando as saídas PWM que acionam os motores, os quais controlam a posição da plataforma. Para monitoramento da plataforma foi desenvolvido um programa para aquisição de dados em tempo real em ambiente Matlab, por meio do qual se pode visualizar e gravar os sinais da IMU, os ângulos de inclinação e a velocidade angular. Testou-se um sistema de transmissão de dados por rádio frequência entre a IMU e o sistema de aquisição de dados e controle para avaliar a possibilidade da não utilização de slip rings ou fios entre o eixo de rotação e os quadros da plataforma. Entretanto, verificou-se a inviabilidade da transmissão em razão da baixa velocidade de transmissão e dos ruídos captados pelo receptor de rádio frequência durante osmovimentos da plataforma. Sendo assim, dois pares de fios trançados foram utilizados fios para conectar o sensor inercial ao sistema de aquisição e processamento.
This work presents the development of a three-degree of freedom autonomous inertial platform for the use in sensors stabilization - for example, stationary and embedded gravimeters. It can also be used to stabilize cameras. The system is composed by the Inertial Measurement Unit, IMU, developed using a micro electromechanical sensor, MEMS - which has an accelerometer, a gyroscope and a magnetometer in the three axes of orientation - and a microcontroller for data acquisition, data processing and data sending to the control and data acquisition system. To control the platform angles and its orientation, a digital PID controller was implemented using a microcontroller. It receives data from the IMU and provides the control signals using the PWM outputs that drive the motors to control the platform position. In order to supervise the platform operation, a real time data acquisition software was developed in Matlab, where IMU signals, inclination angles and angular velocities can be displayed and recorded. Data transmission via radio frequency between the IMU and the data acquisition and control system was tested in order to evaluate the possibility of not using slip rings or wires between the rotation axis and platform frames. This approach was unsuccessful due to the low speed of data transmission and to the noise that affected the radio frequency receiver during the platform\'s movements. In view of that wire was used to directly connect the inertial sensor to the acquisition and processing system.
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Sugathevan, Suranthiran. "Nonlinear and distributed sensory estimation." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/2246.

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Methods to improve performance of sensors with regard to sensor nonlinearity, sensor noise and sensor bandwidths are investigated and new algorithms are developed. The necessity of the proposed research has evolved from the ever-increasing need for greater precision and improved reliability in sensor measurements. After describing the current state of the art of sensor related issues like nonlinearity and bandwidth, research goals are set to create a new trend on the usage of sensors. We begin the investigation with a detailed distortion analysis of nonlinear sensors. A need for efficient distortion compensation procedures is further justified by showing how a slight deviation from the linearity assumption leads to a very severe distortion in time and in frequency domains. It is argued that with a suitable distortion compensation technique the danger of having an infinite bandwidth nonlinear sensory operation, which is dictated by nonlinear distortion, can be avoided. Several distortion compensation techniques are developed and their performance is validated by simulation and experimental results. Like any other model-based technique, modeling errors or model uncertainty affects performance of the proposed scheme, this leads to the innovation of robust signal reconstruction. A treatment for this problem is given and a novel technique, which uses a nominal model instead of an accurate model and produces the results that are robust to model uncertainty, is developed. The means to attain a high operating bandwidth are developed by utilizing several low bandwidth pass-band sensors. It is pointed out that instead of using a single sensor to measure a high bandwidth signal, there are many advantages of using an array of several pass-band sensors. Having shown that employment of sensor arrays is an economic incentive and practical, several multi-sensor fusion schemes are developed to facilitate their implementation. Another aspect of this dissertation is to develop means to deal with outliers in sensor measurements. As fault sensor data detection is an essential element of multi-sensor network implementation, which is used to improve system reliability and robustness, several sensor scheduling configurations are derived to identify and to remove outliers.
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Hol, Jeroen D. "Sensor Fusion and Calibration of Inertial Sensors, Vision, Ultra-Wideband and GPS." Doctoral thesis, Linköpings universitet, Reglerteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-66184.

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The usage of inertial sensors has traditionally been confined primarily to the aviation and marine industry due to their associated cost and bulkiness. During the last decade, however, inertial sensors have undergone a rather dramatic reduction in both size and cost with the introduction of MEMS technology. As a result of this trend, inertial sensors have become commonplace for many applications and can even be found in many consumer products, for instance smart phones, cameras and game consoles. Due to the drift inherent in inertial technology, inertial sensors are typically used in combination with aiding sensors to stabilize andimprove the estimates. The need for aiding sensors becomes even more apparent due to the reduced accuracy of MEMS inertial sensors. This thesis discusses two problems related to using inertial sensors in combination with aiding sensors. The first is the problem of sensor fusion: how to combine the information obtained from the different sensors and obtain a good estimate of position and orientation. The second problem, a prerequisite for sensor fusion, is that of calibration: the sensors themselves have to be calibrated and provide measurement in known units. Furthermore, whenever multiple sensors are combined additional calibration issues arise, since the measurements are seldom acquired in the same physical location and expressed in a common coordinate frame. Sensor fusion and calibration are discussed for the combination of inertial sensors with cameras, UWB or GPS. Two setups for estimating position and orientation in real-time are presented in this thesis. The first uses inertial sensors in combination with a camera; the second combines inertial sensors with UWB. Tightly coupled sensor fusion algorithms and experiments with performance evaluation are provided. Furthermore, this thesis contains ideas on using an optimization based sensor fusion method for a multi-segment inertial tracking system used for human motion capture as well as a sensor fusion method for combining inertial sensors with a dual GPS receiver. The above sensor fusion applications give rise to a number of calibration problems. Novel and easy-to-use calibration algorithms have been developed and tested to determine the following parameters: the magnetic field distortion when an IMU containing magnetometers is mounted close to a ferro-magnetic object, the relative position and orientation of a rigidly connected camera and IMU, as well as the clock parameters and receiver positions of an indoor UWB positioning system.
MATRIS (Markerless real-time Tracking for Augmented Reality Image), a sixth framework programme funded by the European Union
CADICS (Control, Autonomy, and Decision-making in Complex Systems), a Linneaus Center funded by the Swedish Research Council (VR)
Strategic Research Center MOVIII, funded by the Swedish Foundation for Strategic Research (SSF)
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Hoesel, Lodewijk Frans Willem van. "Sensors on speaking terms schedule-based medium access control protocols for wireless sensor networks /." Enschede : University of Twente [Host], 2007. http://doc.utwente.nl/57885.

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Myronidi, Despoina. "LIGHT-BEAT: REACTIVE LIGHT FOR THE EMOTIONAL COMFORT OF NEWBORN BABIES." Thesis, KTH, Ljusdesign, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297961.

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This is a project-based thesis focusing on the investigation of topics related to human newborns and the factors found in their surrounding environment that need to be assessed so as to provide them with a feeling comfort. The objective is to boost their emotional development by the means of light in a close relation to sound so as to provide them with a type of intelligence allowing them to normally interact within a society during their adult life, reassuring social equality and eliminating potential social exclusion due to unexpected behaviours. After researching topics to have a better understanding of the newborn baby and its enclosing environment, a luminaire design solution -functioning with a reactive scheme performed with integrated sound sensors- provided further results to the main topic investigation. The conceptual scheme for the product development was inspired by the connection between the newborn and their life-giver, closely linked to the cross-modality of sensory development before and after birth. Additional results were obtained with light measurement assessments and a parent survey targeting both the intended light quality subjective evaluations and the marketing strength of the designed product. This survey was used -along with other means- as a design evaluation tool at the final stage of the design process. Potential further improvements as well as considerations for a distinct spatial application are discussed in the final part of the thesis. The sustainability aspect covered within this degree project is closely linked to good physical and mental health aspects, clean energy use and efficiency achieved by the integration of input sound sensors and controls, and conscious production and consumption by the proposal of low global footprint materials for the luminaire design. In the conclusions, an overall summary of the thesis outcomes is presented and further research is proposed regarding both the main topic investigation as well as a greater user category that can be related to the light metric assessments that were carried out for this research.
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Books on the topic "Sensors and controls"

1

Kim, Dong-Seong, and Hoa Tran-Dang. Industrial Sensors and Controls in Communication Networks. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-04927-0.

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Juds, Scott M. Photoelectric sensors and controls: Selection and application. New York: M. Dekker, 1988.

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Automated manufacturing systems: Actuators, controls, sensors, and robotics. New York: Glencoe, 1995.

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SAE, International Congress &. Exposition (1998 Detroit Mich ). Electronic engine controls 1998: Sensors, actuators, and development tools. Warrendale, PA: Society of Automotive Engineers, 1998.

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Jai, A. El. Sensors and controls in the analysis of distributed systems. Chichester, England: E. Horwood, 1988.

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Computerized engine controls. Albany, N.Y: Delmar Publishers, 1987.

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Computerized engine controls. 4th ed. Albany, N.Y: Delmar Publishers, 1993.

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Computerized engine controls. 2nd ed. Albany, N.Y: Delmar Publishers, 1989.

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Computerized engine controls. 4th ed. Albany, N.Y: Delmar Publishers, 1994.

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King, Dick H. Computerized engine controls. 5th ed. Albany, N.Y: Delmar, Thomson Learning, 2001.

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Book chapters on the topic "Sensors and controls"

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Calabrese, Steven R. "Sensors and Controllers." In Practical Controls, 31–57. New York: River Publishers, 2020. http://dx.doi.org/10.1201/9781003151128-4.

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Higashino, Teruo. "Edge Computing for Cooperative Real-Time Controls Using Geospatial Big Data." In Smart Sensors and Systems, 441–66. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-33201-7_16.

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Khapalov, Alexander Y. "Controllability of the Wave Equation Governed by Mobile Point Controls." In Mobile Point Sensors and Actuators in the Controllability Theory of Partial Differential Equations, 163–82. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60414-5_10.

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Khapalov, Alexander Y. "Semilinear Parabolic Equations: Mobile Point Controls Versus Locally Distributed Ones." In Mobile Point Sensors and Actuators in the Controllability Theory of Partial Differential Equations, 97–120. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60414-5_7.

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Cabras, G., D. Cauz, D. Cobai, M. Cobal-Grassmann, B. Lotto, C. Papa, H. Grassmann, and L. Santi. "Quality Product Controls of Silicon Pixel Sensors for a High Energy Particle Physics Experiment." In AMST’02 Advanced Manufacturing Systems and Technology, 673–78. Vienna: Springer Vienna, 2002. http://dx.doi.org/10.1007/978-3-7091-2555-7_78.

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Hartmann, Klaus. "Process Control." In Sensors, 475–92. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620128.ch18.

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Hulliger, Manuel. "Proprioceptive Feedback for Sensory-Motor Control." In Sensors and Sensory Systems for Advanced Robots, 21–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83410-3_2.

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Scott, Michael J. "Process Sensing and Control." In Sensors, 413–30. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620180.ch14.

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Drebinger, Peter. "Traffic Surveillance and Control." In Sensors, 407–23. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620128.ch15.

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Gessler, Ingo. "Practical Problems in Process Control." In Sensors, 377–88. Weinheim, Germany: Wiley-VCH Verlag GmbH, 2008. http://dx.doi.org/10.1002/9783527620159.ch12.

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Conference papers on the topic "Sensors and controls"

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Swanson, David C., and Karl M. Reichard. "Environmental sensors and algorithms for ground-based passive acoustic sensors." In Aerospace/Defense Sensing and Controls, edited by Raja Suresh. SPIE, 1998. http://dx.doi.org/10.1117/12.317684.

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Chamy, Lara Al, Mohamad Saad El Dine, Abd El Kader El Rafeii, and Ahmad Rafihi. "Infinity of controls with intelligent robot remote control." In 2017 Sensors Networks Smart and Emerging Technologies (SENSET). IEEE, 2017. http://dx.doi.org/10.1109/senset.2017.8125036.

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Anderson, John S., Thomas Kostrzewa, Lacy G. Cook, G. Baker, William A. Radford, Michael D. Jack, A. Finch, et al. "Integrated imaging sensors." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Bjorn F. Andresen, Gabor F. Fulop, and Marija Strojnik. SPIE, 2001. http://dx.doi.org/10.1117/12.496294.

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Horn, Stuart B., Dieter Lohrmann, James E. Miller, Kent McCormack, Gwendolyn W. Newsome, James C. Brown, James Campbell, Jr., Philip Perconti, and Gene A. Klager. "Small infrared sensors." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Grant R. Gerhart and Chuck M. Shoemaker. SPIE, 2001. http://dx.doi.org/10.1117/12.439987.

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Figler, Burton D. "Uncooled microbolometer thermal imaging sensors for unattended ground sensor applications." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Edward M. Carapezza. SPIE, 2001. http://dx.doi.org/10.1117/12.441257.

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Breen, Thomas B., Neal R. Butler, Margaret Kohin, Charles A. Marshall, Robert Murphy, Todd W. Parker, and Raymond J. Silva. "Applications of uncooled microbolometer sensors." In Aerospace/Defense Sensing and Controls, edited by Eustace L. Dereniak and Robert E. Sampson. SPIE, 1998. http://dx.doi.org/10.1117/12.317581.

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Ng, Gee W., KhinHua Ng, Peter Wong, and S. C. Teo. "Multisite sensors target location." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Michael K. Masten and Larry A. Stockum. SPIE, 2001. http://dx.doi.org/10.1117/12.438051.

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Mitchell, O. Robert, Thomas J. Herrick, David A. Summers, Richard D. Rechtien, James L. Drewniak, Srinivasa R. Somu, Sriram Srinivasan, Vittal S. Rao, Randy H. Moss, and Richard E. DuBroff. "New sensors and sensor fusion for a ground-based land mine detection system." In Aerospace/Defense Sensing and Controls, edited by Abinash C. Dubey, James F. Harvey, and J. Thomas Broach. SPIE, 1998. http://dx.doi.org/10.1117/12.324159.

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Ruggeri, Massimiliano, Giorgio Paolo Massarotti, Luca Belsito, and Alberto Roncaglia. "Indirect Pressure Measurement on Hydraulic Components Through New MEMS Strain Sensors." In ASME/BATH 2017 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fpmc2017-4355.

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Sensors are playing a more important role in the modern hydraulic systems. Increasing needs for closed loop controls, high precision measurement, power control and energy monitoring, diagnosis and safety concerns, ask for both pressure and flow acquisition in both industrial and mobile applications. Traditional pressure sensors need specific bored screw for mounting, and both pipes and components must be modified in order to apply pressure sensors. Traditional pressure sensors are related to mini-mess and to oil flow modification in the sensor area. Sensors position in hydraulic circuits or components must be defined at design phase, in order to design the proper screw in desired circuit positions. Most of times sensors result in a efficiency loss in the circuit. Last but not least, the cost of traditional sensors, the need for proper connections for sensors installation and the work needed for sensor placement in machines production phase, could be avoided if sensors could be integrated in smart components. Modern Silicon based technologies offer new solutions for a less invasive pressure measurement. Micro Electro-Mechanical Systems (MEMS) Technology is suitable to design new sensors for indirect pressure measurement. Also traditional technologies, coupled with modern electronics could offer solutions that were not enough precise 10 years ago, but presenting some tricks to be solved accurately. The paper presents the first experimental results of the early stage of application of a MEMS strain gauge sensor application on components, where hydraulic pressure is measured through the component strain due to internal pressure force and component deformation. New sensors called Double Ended Tuning Fork (DETF) MEMS Resonant Extensometer sensor, based on a silicon diapason made in void environment in a system on chip will be applied at components due to the sensor’s sensitivity and precision that can reach the 0,15 nε/ε. At the same time the paper will show that pipes offer a deformation function of the mechanical characteristics and that the pressure effect is causing a deformation that can be even too high for the MEMS sensor. The strain position sensor and component deformation are also proved by the FEM analysis in order to validate both pressure measurement and FEM analysis in respect to test bench results applied to the sensor strain acquisition.
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Braunsteiner, Arnold, Georg Hutflesz, Thomas Gruenberger, and Markus Bohrer. "Sensors and controls for intelligent machining." In Photonics East '99, edited by George K. Knopf, Patrick F. Muir, and Peter E. Orban. SPIE, 1999. http://dx.doi.org/10.1117/12.371169.

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Reports on the topic "Sensors and controls"

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Maley, Susan, and Robert R. Romanosky. Sensors and Controls Workshop Summary Report. Office of Scientific and Technical Information (OSTI), November 2001. http://dx.doi.org/10.2172/789332.

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Anderson, R. L., D. N. Fry, and J. A. McEvers. Advanced turbine systems sensors and controls needs assessment study. Final report. Office of Scientific and Technical Information (OSTI), February 1997. http://dx.doi.org/10.2172/291012.

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Melin, Alexander M., Roger A. Kisner, Bryan Blaise, Christopher A. Meert, and Frederick Kyle Reed. Embedded Sensors and Controls to Improve Component Performance and Reliability - Final Report. Office of Scientific and Technical Information (OSTI), April 2018. http://dx.doi.org/10.2172/1460213.

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Melin, Alexander M., Roger A. Kisner, and David L. Fugate. Embedded Sensors and Controls to Improve Component Performance and Reliability - System Dynamics Modeling and Control System Design. Office of Scientific and Technical Information (OSTI), October 2013. http://dx.doi.org/10.2172/1185367.

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Kisner, Roger A., David L. Fugate, Alexander M. Melin, David Eugene Holcomb, Dane F. Wilson, Pamela C. Silva, and Carola Cruz Molina. Evaluation of Manufacturability of Embedded Sensors and Controls with Canned Rotor Pump System. Office of Scientific and Technical Information (OSTI), July 2013. http://dx.doi.org/10.2172/1089331.

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Kisner, Roger A., Alexander M. Melin, Timothy A. Burress, David L. Fugate, David Eugene Holcomb, John B. Wilgen, John M. Miller, et al. Embedded Sensors and Controls to Improve Component Performance and Reliability: Conceptual Design Report. Office of Scientific and Technical Information (OSTI), October 2012. http://dx.doi.org/10.2172/1056391.

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Kisner, R., A. Melin, T. Burress, D. Fugate, D. Holcomb, J. Wilgen, J. Miller, et al. Embedded Sensors and Controls to Improve Component Performance and Reliability Conceptual Design Report. Office of Scientific and Technical Information (OSTI), September 2012. http://dx.doi.org/10.2172/1054147.

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Kisner, Roger A., Alexander M. Melin, Timothy A. Burress, David L. Fugate, David Eugene Holcomb, John B. Wilgen, John M. Miller, et al. Embedded Sensors and Controls to Improve Component Performance and Reliability: Conceptual Design Report. Office of Scientific and Technical Information (OSTI), October 2012. http://dx.doi.org/10.2172/1055100.

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Fernandez, Nicholas, Michael R. Brambley, and Srinivas Katipamula. Self-Correcting HVAC Controls: Algorithms for Sensors and Dampers in Air-Handling Units. Office of Scientific and Technical Information (OSTI), December 2009. http://dx.doi.org/10.2172/973449.

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Roth, Amir, and Janet Reyna. Grid-Interactive Efficient Buildings Technical Report Series: Whole-Building Controls, Sensors, Modeling, and Analytics. Office of Scientific and Technical Information (OSTI), December 2019. http://dx.doi.org/10.2172/1580329.

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