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Добірка наукової літератури з теми "Drive by wireless systems"

Автор: Grafiati

Опубліковано: 9 вересня 2022

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Статті в журналах з теми "Drive by wireless systems"

He, Hong, Feng Ling Zhang, and Zhi Hong Zhang. "Adjustable Multi-Light Wireless Remote Control System Designed LED Light." Applied Mechanics and Materials 543-547 (March 2014): 1250–53. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.1250.

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With the development of LED technology, the actual demand of the people for the smart home lighting, this paper designed a multiple lamps for indoor wireless remote control dimmable LED lighting systems. LED driver is using two levels of drive structure, and driver power supply adopts double-road current output, and the size of the output current of each constant current source is flexible to adjust by remote control. Wireless remote control part control multiple lamps by using 4 * 4 keyboard, which realizes intelligent management of LED interior lighting in the smart home.

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Thongpull, Kittikhun, Nattha Jindapetch, and Wiklom Teerapabkajorndet. "Wireless ESD Event Locator Systems in Hard Disk Drive Manufacturing Environments." IEEE Transactions on Industrial Electronics 60, no. 11 (November 2013): 5252–59. http://dx.doi.org/10.1109/tie.2012.2227911.

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Dyduch, Janusz, and Roman Pniewski. "Concept of measuring force adjustment of crossover drives." Transportation Overview - Przeglad Komunikacyjny 2016, no. 12 (December 1, 2016): 37–42. http://dx.doi.org/10.35117/a_eng_16_12_05.

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As part of the project in the Department of Control Systems in Transport it has been developed a system for automatic data collection and automatic forecasting the status of railway signalling devices. In the frame of the project it was also developed a prototype system for wireless measurement of currents in drive motor together with parameters of environment. The system will be used for the automatic diagnosis of crossover drives.

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Tsow, Alex, Markus Jakobsson, Liu Yang, and Susanne Wetzel. "Warkitting: The Drive-by Subversion of Wireless Home Routers." Journal of Digital Forensic Practice 1, no. 3 (September 2006): 179–92. http://dx.doi.org/10.1080/15567280600995832.

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Graurs, Igors, Aleksandrs Vizulis, Aivars Rubenis, and Aigars Laizāns. "Wireless energy supply to public transport units with hybrid drive – trends and challenges." Transport and Telecommunication Journal 15, no. 1 (March 1, 2014): 67–76. http://dx.doi.org/10.2478/ttj-2014-0007.

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Abstract This paper describes the initial findings of research project “The Possibilities of Increasing Efficiency of City Bus Hybrid Propulsion Systems by Including Wireless Battery Charging” carried out by „LEO Research Centre” (Competency Centre for Latvian Electrical and Optical Manufacturing Industry). The project is aimed at developing wireless charging and optimising electric bus propulsion system for modern urban transportation applications. The project runs from the beginning of the 2013 until the end of 2015 and focuses on the sub-theme “Energy and Sustainable Transport”.

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Zhuang, Min, Ge Li, Kexin Ding, and Guansheng Xu. "Optimized Design of Mechanical Chain Drive Based on a Wireless Sensor Network Data Algorithm." Journal of Sensors 2021 (September 13, 2021): 1–13. http://dx.doi.org/10.1155/2021/2901624.

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In this paper, we use a wireless sensor network data algorithm to optimize the design of mechanical chain drive by conducting an in-depth study of the mechanical chain drive optimization. We utilize the crowdsourcing feature of the swarm-wise sensing network for assisted wireless sensor networking to achieve crowdsourcing-assisted localization. We consider a framework for crowdsourcing-assisted GPS localization of wireless sensor networks and propose two recruitment participant optimization objectives, namely, minimum participants and time efficiency, respectively. A model and theoretical basis are provided for the subsequent trusted data-driven participant selection problem in swarm-wise sensing networks. The sprocket-chain engagement frequency has the greatest influence on the horizontal bending-vertical bending composite in different terrain conditions. The dynamic characteristics under working conditions are most influenced, while the scraping of the scraper and the central groove significantly influenced horizontal bending and vertical bending. Under load conditions, the amplitude of the scraper and central groove scraping increases significantly, which harm the dynamics of the scraper conveyor. By monitoring the speed difference between the head and tail sprockets and the overhang of the scraper, the tensioning status of the scraper conveyor chain can be effectively monitored to avoid chain jamming and chain breakage caused by the loose chain, thus improving the reliability and stability of the scraper conveyor.

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Shi, Gui Lian, and Fu Li Ye. "Moving Mode of Wireless Capsule Endoscopy Driven by External Magnetic Field." Applied Mechanics and Materials 678 (October 2014): 318–21. http://dx.doi.org/10.4028/www.scientific.net/amm.678.318.

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The existing dynamical systems of wireless capsule endoscopy are studied and analyzed. Based on the shortcomings presented in paper, a novel driving method is proposed. That is driving the wireless capsule endoscopy with three-dimensional orthotropic magnetic field outside the human body, and the resultant magnetic field can be obtained and adjusted through the electric current flowing in three coils orthogonal to each other. This paper focuses on the analysis of complex moving mode of wireless capsule endoscopy, and the result is very important to the design of drive and control circuit.

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Zhao, Xingwen, Jiaping Lin, and Hui Li. "Privacy-Preserving Billing Scheme against Free-Riders for Wireless Charging Electric Vehicles." Mobile Information Systems 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/1325698.

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Recently, scientists in South Korea developed on-line electric vehicle (OLEV), which is a kind of electric vehicle that can be charged wirelessly while it is moving on the road. The battery in the vehicle can absorb electric energy from the power transmitters buried under the road without any contact with them. Several billing schemes have been presented to offer privacy-preserving billing for OLEV owners. However, they did not consider the existence of free-riders. When some vehicles are being charged after showing the tokens, vehicles that are running ahead or behind can switch on their systems and drive closely for a free charging. We describe a billing scheme against free-riders by using several cryptographic tools. Each vehicle should authenticate with a compensation-prepaid token before it can drive on the wireless-charging-enabled road. The service provider can obtain compensation if it can prove that certain vehicle is a free-rider. Our scheme is privacy-preserving so the charging will not disclose the locations and routine routes of each vehicle. In fact, our scheme is a fast authentication scheme that anonymously authenticates each user on accessing a sequence of services. Thus, it can be applied to sequential data delivering services in future 5G systems.

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Devana, Mayastri, Tresna Dewi, Nyayu Latifah Husni, Pola Risma, and Yurni Oktarina. "Desain Robot Pengintai Segala Medan dengan Kendali Wireless PS2." Journal of Applied Smart Electrical Network and Systems 2, no. 2 (December 31, 2021): 64–70. http://dx.doi.org/10.52158/jasens.v2i2.210.

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A mobile robots is one of the solution to overcome the deficiency of security surveillance camera systems that are static in nature, which are vulnerable to blind spots on the results of their observations. In this research, the surveillance robot is made to resemble the shape of a mars rover robot that is applied to be able to move more freely to stalk areas and be able to navigate on uneven surfaces. The movement of the surveillance robot wheel uses a wireless PS 2 remote control and is driven by a DC motor rotation as its main drive. The connection between the PS2 Remote Control and the surveillance robot is by using the Arduino Uno. In addition, this robot will be equipped with a camera that will send visual surveillance results from the robot to the smartphone.

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Woods, Stephen, and Timothy Constandinou. "Engineering Micromechanical Systems for the Next Generation Wireless Capsule Endoscopy." BioMed Research International 2015 (2015): 1–14. http://dx.doi.org/10.1155/2015/741867.

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Wireless capsule endoscopy (WCE) enables the detection and diagnosis of inflammatory bowel diseases such as Crohn’s disease and ulcerative colitis. However treatment of these pathologies can only be achieved through conventional means. This paper describes the next generation WCE with increased functionality to enable targeted drug delivery in the small intestinal tract. A prototype microrobot fabricated in Nylon 6 is presented which is capable of resisting peristaltic pressure through the deployment of an integrated holding mechanism and delivering targeted therapy. The holding action is achieved by extending an “anchor” spanning a 60.4 mm circumference, for an 11.0 mm diameter WCE. This function is achieved by a mechanism that occupies only 347.0 mm3volume, including mechanics and actuator. A micropositioning mechanism is described which utilises a single micromotor to radially position and then deploy a needle 1.5 mm outside the microrobot’s body to deliver a 1 mL dose of medication to a targeted site. An analysis of the mechanics required to drive the holding mechanism is presented and an overview of microactuators and the state of the art in WCE is discussed. It is envisaged that this novel functionality will empower the next generation of WCE to help diagnose and treat pathologies of the GI tract.

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Більше джерел

Дисертації з теми "Drive by wireless systems"

Xue, Xin. "Health monitoring of drive connected three-phase induction motors from wired towards wireless sensor networks /." Diss., [Riverside, Calif.] : University of California, Riverside, 2009. http://proquest.umi.com/pqdweb?index=0&did=1899497101&SrchMode=2&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1269019645&clientId=48051.

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Анотація:

Thesis (Ph. D.)--University of California, Riverside, 2009.
Includes abstract. Available via ProQuest Digital Dissertations. Title from first page of PDF file (viewed March 20, 2010). Includes bibliographical references. Also issued in print.

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Zhu, Xi. "High frequency CMOS integrated filters for computer hard disk drive and wireless communication systems." Thesis, University of Hertfordshire, 2008. http://hdl.handle.net/2299/2069.

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Operational transconductance amplifier and capacitor (OTA-C) filters have outstood among different types of filter due to high frequency and low power capabilities in the main stream digital CMOS technology. They have been widely used in computer hard disk drive (HDD) and wireless communication transceivers. OTA-C filters based on cascade and passive ladder simulation are well-known. However, multiple loop feedback (MLF) OTA-C filters which have certain advantages still have the scope for further research. So far there have been no explicit formulas for current-mode leapfrog (LF) filter design and performance evaluation of current-mode MLF OTA-C filters are still lacking. From application viewpoints, read channels for computer hard disk drives require very high frequency continuous-time filters. This automatically disqualifies active- RC/MOSFET-C filters and OTA-C filters become the only solution. In wireless communications, active-RC/MOSFET-C filters have been proved useful for mobile systems whose baseband frequency falls below a few MHz. However, for wireless LANs with the frequency of several tens of MHz, OTA-C filters are a strong candidate. Whilst in HDD read channels, cascaded OTA-C architectures have been most utilized and in wireless receivers, OTA-C structures based on ladder simulation have been popular, MLF OTA-C filters have not been practically used in either of the applications. This thesis describes some novel designs and applications of multiple loop feedback OTA-C filters with extensive CMOS simulations. Analogue filters for computer hard disk drive systems are first reviewed; the state of the art and design considerations are provided. Three VHF linear phase lowpass OTA-C filters are then designed, which include a seventh-order and a fifth-order current-mode filter based on the follow-the-leader-feedback (FLF) structure and a seventh-order voltage-mode filter using the inverse FLF (IFLF) configuration. These filters all have very low power consumption. The synthesis and design of general current-mode LF OTA-C filters are conducted next. Iterative design formulas for both all-pole and finite-zero functions are derived and explicit formulas for up to sixth-orders are given. These formulas are very easy to use for designing any type of characteristics. Subsequently, linear phase lowpass OTA-C filter design for HDD read channels using LF structures are investigated in details. A current-mode filter and a voltage-mode filter using the fifth-order LF structure are presented. The two filters can operate up to 800MHz and have very small passband phase ripple. Analogue filters for wireless communication baseband applications are also reviewed thoroughly in this thesis, where the design of a fourth-order current-mode FLF Butterworth lowpass OTA-C filter for multi-standard receivers is presented. Then two fifth-order current-mode elliptic lowpass OTA-C filters based on respective LF and FLF structures for wireless communication baseband are designed. Fifth-order voltage-mode IFLF and LF elliptic lowpass filters are also presented. All these MLF baseband filters designed can operate up to 40MHz to cover all important wireless and mobile standards. Simulations show that the LF structures have better dynamic range and stopband attenuation performances than the FLF and IFLF configurations.

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Huo, Xueliang. "Tongue drive: a wireless tongue-operated assistive technology for people with severe disabilities." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/45887.

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The main objective of the presented research is to design, fabricate, fully characterize, and assess the usability and functionality of a novel wireless tongue-operated assistive technology, called Tongue Drive System (TDS), that allows individuals with severe physical disabilities (such as quadriplegics) to effectively access computers, drive powered wheelchairs, and control environments using their voluntary tongue motion. The system can wirelessly detect users' tongue movements using an array of magnetic sensors, and a magnetic tracer secured on the tongue, and translate them into a set of user-defined commands in real time, which can then be used to communicate with target devices in users' environment. The principal advantage of the TDS is that a combination of magnetic sensors and a small permanent magnet can capture a large number of tongue movements, each of which can represent one specific command. A set of dedicated tongue movements can be configured as specific commands for each individual user based on his/her preferences, lifestyle, and remaining abilities. As a result, this technology can benefit a wide range of potential users with different types of disabilities. The work carried out in this dissertation is largely split into three portions: (1) Development, fabrication and characterization of external TDS (eTDS) prototypes to verify the concept of TDS that is detecting and extracting user's intention through their voluntary tongue motion, utilizing a combination of magnetic sensors and a small magnet, as well as the application of this idea in the context of assistive technology. This part of the work is presented in Chapters IV, V and VI. (2) Assessment of the TDS performance in medium term usage for both computer access and wheelchair control. The main purpose of this work was to gain valuable insight into the TDS learning process and its current limiting factors, which could lead the way in designing new generations of TDS with improved usability. This portion of the work is described in Chapter VII. (3) Development and performance assessment of a multimodal TDS (mTDS), that operates based on the information collected from two independent input channels: the tongue motion and speech. This multimodal system expands the access beyond one input channel and therefore improves the speed of access by increasing the information transfer bandwidth between users and computers. This part of the work is presented in Chapters VIII and IX. This dissertation has contributed to the innovation and advancement of the start-of-the-art assistive technology research by exploring, realizing and validating the use of tongue motion as a voluntary motor output to substitute some of the lost arm and hand functions in people with severe disabilities for computer access, wheelchair navigation, and environmental control.

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Famoriyo, Olusola. "THE EVALUATION OF TINYOS WITH WIRELESS SENSOR NODE OPERATING SYSTEMS." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-886.

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Wireless Sensor nodes fall somewhere in between the single application devices that do

not need an operating system, and the more capable, general purpose devices with the

resources to run a traditional embedded operating system. Sensor node operating system

such as TinyOS, Contiki, MantisOS and SOS which is discussed in this paper exhibit

characteristics of both traditional embedded systems and general-purpose operating systems

providing a limited number of common services for application developers linking

software and hardware.

These common services typically include platform support, hardware management of sensors,

radios, and I/O buses and application construction etc. They also provide services

needed by applications which include task coordination, power management, adaptation

to resource constraints, and networking. The evaluation was concentrated on TinyOS

including an analysis on version 1.x and 2.x resource management and flexibility and its

operation with the other wireless sensor node operating systems.

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Devarakond, Shyam Kumar. "Signature driven low cost test, diagnosis and tuning of wireless systems." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47594.

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With increased and varied performance demands, it is essential that complex multi-standard radio/systems coexist on a same chip. To have cost and performance benefits, these analog/RF systems are implemented in scaled nanometer nodes. At these nodes, the high level of variability in process variations is making the task of manufacturing high fidelity systems a challenge leading to yield and reliability issues. Hence, in the post-manufacturing phase, test and diagnosis steps are critical to identify the cause and effect of the process variations. Further, intelligent post-manufacturing tuning techniques are required to correct the effect of process variations on analog/RF systems. In this work, a die-level concurrent test and diagnosis approach using optimized measurements obtained in high volume manufacturing environment is proposed for analog/RF circuits. Such a simultaneous test and diagnosis methodology enables monitoring parametric process shifts and providing rapid feedback to the fab to minimize or prevent yield loss. In the case of devices that are continuously operating in the field, an efficient on-line diagnosis approach has been developed to perform reliability related prognosis. For advanced RF technologies such as MIMO-OFDM systems, a rapid system-level testing scheme is presented that performs concurrent testing of the multiple RF chains. Depending on the availability of the computational resources and system tuning knobs, different low-cost methodologies for post-manufacture tuning or self-healing of RF SISO/MIMO systems are developed. These include faster digital monitoring and tuning techniques, on-chip tuning techniques using digital logic that enables die-level self-tuning, and DSP-based power conscious iterative techniques for SISO/MIMO RF systems. An adaptive power-performance tuning technique is developed for those devices that have a post-manufacture power consumption value that is more than the acceptable limit. These intelligent post-manufacturing techniques result in reduced manufacturing cost, improved yield, and reliability of analog/RF systems.

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Salman, A. "Reducing complexity in developing wireless sensor network systems using model-driven development." Thesis, University of Salford, 2017. http://usir.salford.ac.uk/44127/.

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Wireless Sensor Network (WSN) is a collection of small and low-powered gadgets called sensor nodes (motes), which are capable of sensing the environment, collecting and processing the sensed data, and communicating with each other to accomplish a specific task. Moreover, all sensed and processed data are finally handed over to a central gathering point called a base station (sink), where all collected data are stored and can be reviewed by the user. Most of the current methods concerning WSN development are application or platform-dependent; hence it is not a trivial task to reuse developed applications in another environment. Therefore, WSN application development is a challenging and complex task because of the low-level technical details and programming complexity. Furthermore, most WSN development projects are managed by software engineers, not application field experts or WSN end users. Consequently, WSN solutions are considered expensive, due to the amount of effort that has to be put into these projects. This research project aims to reduce the complexity in developing WSN applications, by abstracting the low-level technical and programming details for average developers and domain experts. In this research, we argue that reducing complexity can be achieved by defining a new Domain-Specific Language (DSL) as a new application development and programming abstraction, which supports multi-levels modelling (i.e. network, group, and node-level). The outcome of this work is the definition of a new language called SenNet, which is an open source DSL programming abstraction that enables application developers to concentrate on the high-level application logic rather than the low-level complex details. SenNet was developed using the principles of Model-Driven Development (MDD) and macro-programming. Developers can use SenNet as a high-level programming abstraction to auto-generate a ready-to-deploy single node nesC code for all sensor nodes that comprise the SenNet application. SenNet gives developers the flexibility they need by offering them a broad range of predefined monitoring tasks and activities, enabling developers to develop different application types such as Sense-Forward (SF), and Event-Triggered (ET); besides providing a set of node-level and in-network data processing tasks. The current SenNet version is configured to generate nesC code, yet SenNet can be set up to produce and generate any programming language such as Java, or C++, by reconfiguring the code generator to produce the new language format, without changing the language design and produced semantics. Various tests and user study have been used to evaluate SenNet’s usability and functional suitability. Evaluation results found that SenNet could save 88.45% of the LOC required to be programmed by a developer, and 87.14% of the required vocabularies. Furthermore, results showed that SenNet could save 92.86% and 96.47% of the program length and volume respectively. Most of the user study participants (96%) found SenNet to be usable and helps to achieve the required WSN application with reduced development effort. Moreover, 82% of the participants believe that SenNet is functionally suitable for WSN application development. Two real-world business case studies developed were used to assess SenNet’s appropriateness to develop WSN real applications, and how it can be used to develop applications related to data processing tasks. Based on the final evaluation results, it can be concluded that our research has been successful in introducing SenNet as a new abstraction to reduce complexity in the WSN application development process.

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Khan, Zeashan Hameed. "Wireless network architecture for long range teleoperation of an autonomous System." Grenoble INPG, 2010. http://www.theses.fr/2010INPG0134.

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La téléopération en réseau est une thématique émergente, où un humain (le maître) communique avec un esclave commandé à distance à travers un réseau de communication, pour l'échange des données de commande et de mesure. Pour la téléopération longue distance, ces informations traversent divers réseaux hétérogènes ou hybrides interconnectés ensemble. Nous traitons également le cas où un segment sera sans fil, ce qui permet d'envisager que l'esclave soit mobile (véhicule télé-opéré par exemple). Une étude indépendante des aspects commande et des aspects réseau entraîne l'atteinte d'objectifs locaux, qui peuvent le cas échéant être ensuite fortement dégradés après l'intégration des deux aspects. L'utilisation de réseaux partagés, comme internet, en lieu et place d'une liaison dédiée (point à point, liaison virtuelle) est également un défi, en particulier dans le cas de la longue distance. Les mécanismes de qualité de service (QdS) d'un réseau, en particulier du réseau hétérogène, doivent pouvoir être traités par les autres réseaux ; ces points sont assez souvent traités avec un point de vue d'applications multimedia, plus rarement avec le point de vue de la téléopération critique. L'approche de téléopération en réseau peut profiter de ces mécanismes de qualité de service en utilisant des priorités ou des réservations de bandes passantes en fonction des critères de commande et de transparence. Cela peut entraîner une adaptation des ressources réseau en fonction des besoins des objectifs de téléopération afin de transporter l'information en satisfaisant les besoins bout en bout de l'application, cette notion devant être précisée. Lorsqu'on considère la QdS avec un point de vue réseau, elle consiste principalement à la gestion de flux de communication, en prenant en compte des paramètres de besoin et d'ordonnancement. Si l'on prend en compte le point de vue de la téléopération, la QdS entraîne des conséquences sur la qualité de commande (QdC) ce qui inclut la stabilité, la transparence et la téléprésence. De plus, l'interface humaine peut également avoir des besoins spécifiques en termes de téléprésence, ce qui peut entraîner des conséquences sur la répartition de la charge du réseau. Afin d'intégrer les deux approches de QdS et de QdC pour apporter une meilleure réponse au problème posé, nous proposons une approche de coconception avec d'une part une adaptation de la QdS aux besoins de la Qdc (qualité de la transparence) et d'autre part une adaptation de la Qdc (par exemple dégradation de la qualité du flux vidéo) à la disponibilité du réseau. Nous avons considéré deux cas de figures. Dans un premier temps, sans tenir compte des mécanismes de QdS du réseau (approche dite du meilleur effort ou best effort) et par l'adaptation au mieux de l'application, pour répondre aux besoins de la téléopération. La seconde approche considère un réseau orienté QdS entre le maître et l'esclave, où différentes priorités peuvent être attribuées aux flux nécessaires à la téléopération, en fonction des contextes. L'approche proposée est finalement mise en oeuvre sur NeCS-Car, la voiture téléopérée disponible au Laboratoire
Networked teleoperation (NT) is an emerging area of technology, where human assisted Master and remote Slave devices communicate over a communication network for the exchange of command and sensor feedback information. For long range mobile teleoperation, this information travels over different types of heterogeneous/hybrid networks interconnected together with a compulsory network segment over wireless to permit increased mobility. The independent design of control and network promotes the isolated objectives and the performance is degraded after an integration. It is also challenging if internet is used for teleoperation, instead of point to point communication. The mechanisms of QoS in one network protocol of the heterogeneous network needs mapping on any other network which is usually carried out with a multimedia point of view and not for the critical teleoperation data. The approach for networked teleoperation can be given a new dimension by adding quality of service (QoS) to different flows on need based priority and as a function of control and transparence criteria. This means to alter the network resources for teleoperation objective in order to transport the information to satisfy the end-to-end application needs. The network QoS perspective is important to consider in the co-design approach for teleoperation. However, the true meaning of end to end QoS must be defined for teleoperation. If we consider the QoS from the network point of view, it refers to the management of various flows or users as per their need and precedence. Whereas, from the teleoperation perspective, QoS is related to the quality of control (QoC) which includes stability, transparence and telepresence. Moreover, the human interface may have different requirements as per telepresence feeling which will result in varying network load. To control network QoS, we need to measure or estimate it. Therefore, classification of QoS is performed with a fuzzy inference system which is able to distinguish between varying levels of QoS. In addition, it is also a challenging task for online decision for reconfiguration of network and control performance. We have used supervised methods for classification and prediction of QoS to be used in the proposed approach. Thus, data communication networks treat control information as best effort most of the time. Conclusion the communication used in teleoperation uses a dedicated network/communication. In short, a co-design approach is formulated to treat the network QoS as a function of teleoperation objectives which are related to the quality of transparence and control. Alternatively, the video flow is managed in order to effectively reduce the necessary throughput for instants when the network quality is not sufficient. We have considered two cases. First, without taking into account any network QoS mechanism (best effort flows only) and adapting application needs as per the teleoperation objectives. The second one considers a QoS oriented network in between the master and slave, where different priorities can be assigned to the teleoperation flows as per need. In the end, the proposed methodology is implemented on the NeCS-Car benchmark

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Meshkova, Elena [Verfasser]. "Design and self-management of wireless networked systems with model-driven optimization / Elena Meshkova." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2015. http://d-nb.info/1076067425/34.

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Nadas, João Pedro Battistella. "Energy eficiente synchronization for alarm driven wireless sensor networks." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/2309.

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Muitas aplicações de redes de sensores sem fio exigem que nós, além de monitorar certo fenômeno, devem ser capazes de detectar e comunicar eventos assíncronos (e.g. alarmes), o que implica que eles deverão ouvir o meio em modo ocioso, o que é inerentemente um desperdício de energia. Nesse cenário, sincronização de relógio é crucial para operar com eficiência em ciclos de trabalho e minimizar o consumo de energia. Nesta dissertação, avaliamos o impacto do \textit{trade-off} entre a energia gasta com sincronizações mais frequentes e, em troca reduzir a janela de escuta ociosa necessária para que a confiabilidade desejada da comunicação seja atingida. A frequência ideal de sincronizações é obtida analiticamente e corroborada por resultados numéricos, mostrando que é possível gastar uma pequena fração da energia total com uma rede com sincronização mais precisa quando comparada com a manutenção da precisão do relógio mínima exigida pelo fenômeno que está sendo monitorado, aumentando significativamente a vida útil da rede. Além disso, uma solução fechada para o limite superior a este número ideal é derivada através da aproximação de que a energia gasta para transmitir ser muito menos significativa quando comparada à gasta para receber. Usando este resultado, pudemos prever através de simulações que este número ideal será aumentado pela energia de escuta, o número de vezes que um nó precisa ouvir o meio à espera de alarmes, ao nível de confiança em que o sistema foi concebido para trabalhar, ao intervalo de sincronização e à variância da frequência de oscilação relativa entre os nós. Por outro lado, este número será menor quando o custo energético de sincronização for maior (i.e. Quando a energia de comunicação aumentar).
Many applications of wireless sensor networks require that nodes, besides monitoring a given phenomenon, must be able to detect and communicate asynchronous events (e.g. alarms), implying that they have to often listen to the medium in idle mode, which is inherently energy wasteful. In such a scenario time synchronization is crucial to efficiently operate in duty-cycles and minimize energy consumption. In this work we assess the impact of the trade-off between spending energy with more frequent synchronizations and in return saving it by reducing the idle listening window necessary for the desired reliability of the communication. The optimal frequency of time synchronizations is obtained analytically and corroborated by numerical results, showing that several times less overall energy may be spent with a finer synchronization when compared with maintaining the minimum clock precision required by the phenomenon being monitored, greatly extending the life-span of the network.Furthermore, a closed form upper bound to this optimal number is derived by approximating transmit power being of much more significance when compared to receive power. Using this result, we predict and then simulate that this optimal number will be increased by the listening power, the number of times which a node has to listen to the medium idly, the level of confidence at which the system is designed to work, the synchronization interval and the variance of the relative oscillation frequency between synchronizing nodes. On the other hand, this number will be smaller when the energy cost of synchronization is higher (e.g. when active communication energy increases).

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Crk, Igor. "Context-Aware Resource Management." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/195573.

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The demand for performance and resources that is placed on the system is dictated by the application alone in non-interactive environments, and by a combination of application and user interactions in interactive environments. Understanding user interaction can provide valuable information about which resources will be needed ahead of time. This leads to performance optimizations such as better resource allocations for applications that can utilize a given resource more productively, and transitioning devices to a more appropriate energy performance state before the demand arrives. The challenge is to provide a performance/energy schedule that best matches the task at hand, since keeping the device in one performance level is not energy efficient due to the continually changing demand placed on the device. This dissertation addresses the challenge of designing energy efficient systems by examining the role of user interaction in energy consumption and in providing an energy-performance schedule that adequately accommodates user demand. It is shown that system performance can be tailored to a user's pattern of interaction and it's energy-performance schedule optimized.First, a detailed design of context capture systems in Linux's X-Window System is presented with an evaluation of the associated storage and computation overheads. Due to the overall low complexity of the application window representations, the overheads of computing interaction identifiers and storing a secondary representation of the application interface within the context capture system are likewise low. Additionally, a Microsoft Windows-based context capture system leveraging the Active Accessibility framework is discussed and applied to improving the navigation of cascading pull-down menus.Secondly, this dissertation addresses the application of interaction capture in energy and delay management of Wireless Network Interface Controllers/Cards (WNICs) and hard drives. The Interaction Aware Prediction (IAP) system for WNICs is evaluated showing that the available power modes can be effectively managed to provide energy efficiency while maintaining performance. Similarly, the Interaction Aware Spin-up Prediction (IASP) uses interaction awareness to reduce or eliminate the interactive delays associated with aggressive hard disk energy management.

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Книги з теми "Drive by wireless systems"

Du, K. L. Wireless communication systems. Cambridge: Cambridge University Press, 2010.

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S, Swamy M. N., ed. Wireless communication systems. Cambridge: Cambridge University Press, 2010.

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Terré, Michel, Mylène Pischella, and Emmanuelle Vivier. Wireless Telecommunication Systems. Hoboken, NJ USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118625422.

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Engels, Marc, ed. Wireless OFDM Systems. Boston: Kluwer Academic Publishers, 2002. http://dx.doi.org/10.1007/b117438.

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Yang, Yang, Jing Xu, Guang Shi, and Cheng-Xiang Wang. 5G Wireless Systems. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-61869-2.

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Horodecki, Andrzej. Selecting electromechanical drive systems. Amsterdam: Elsevier, 1991.

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Simulating wireless communication systems. Upper Saddle River, N.J: Prentice Hall Professional Technical Reference, 2004.

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service), SpringerLink (Online, ed. Wireless Transceiver Systems Design. Boston, MA: Springer Science+Business Media, LLC, 2008.

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Barbarossa, Sergio. Multiantenna wireless communications systems. Boston, MA: Artech House, 2005.

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Wireless personal communications systems. Reading, Mass: Addison-Wesley, 1997.

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Частини книг з теми "Drive by wireless systems"

Nissimagoudar, P. C., H. M. Gireesha, R. M. Shet, Nalini C. Iyer, Ajit Bijapur, and H. R. Aishwarya. "Graphene-Based Wireless Power Transmission: Charge as You Drive." In Advances in Intelligent Systems and Computing, 815–24. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8289-9_78.

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Zhang, Chong, Zhengcong Yin, Peng Gao, and Sathya Prasad. "A Visual Analytics Approach to Exploration of Hotels in Overlaid Drive-Time Polygons of Attractions." In Web and Wireless Geographical Information Systems, 28–40. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-17246-6_3.

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Duffield, Cameron, and Shuhei Miyashita. "Magnetic Force Driven Wireless Motor." In Towards Autonomous Robotic Systems, 409–12. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-63486-5_43.

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Qin, Junxiang, Ninghu Yang, Yuxuan Wang, Jun Yang, and Jinliang Du. "A Model-Driven Development Framework for Satellite On-Board Software." In Wireless and Satellite Systems, 324–50. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69072-4_27.

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Peng, Shuang, Jiangjiang Wu, Chun Du, Hao Chen, and Jun Li. "Data-Driven Approach for Satellite Onboard Observation Task Planning Based on Ensemble Learning." In Wireless and Satellite Systems, 175–84. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69072-4_15.

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Ling, Qi, Jian Ren, and Tongtong Li. "Message-Driven Frequency Hopping — Design and Analysis." In Wireless Algorithms, Systems, and Applications, 373–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-88582-5_36.

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Fang, Zheng, Jie Wang, and Donghui Zhang. "Workload-Driven Compressed Skycube Queries in Wireless Applications." In Wireless Algorithms, Systems, and Applications, 244–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03417-6_24.

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Li, Tongtong, Tianlong Song, and Yuan Liang. "Message-Driven Frequency Hopping Systems." In Wireless Communications under Hostile Jamming: Security and Efficiency, 45–97. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0821-5_3.

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Li, Yi, Lu Zhou, Haojin Zhu, and Limin Sun. "Secure and Privacy-Preserving Location Proof in Database-Driven Cognitive Radio Networks." In Wireless Algorithms, Systems, and Applications, 345–55. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-21837-3_34.

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Abdeldjalil, Tabouche, Fan Li, Ruiling Li, and Xin Li. "Table-Driven Bus-Based Routing Protocol for Urban Vehicular Ad Hoc Networks." In Wireless Algorithms, Systems, and Applications, 90–101. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07782-6_9.

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Тези доповідей конференцій з теми "Drive by wireless systems"

"International Symposium on Wireless Pervasive Computing 2006." In Sixth International Conference on Power Electronics and Drive Systems. IEEE, 2005. http://dx.doi.org/10.1109/peds.2005.1619642.

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Moradi, Adel, Farzad Tahami, and Amirreza Poorfakhraei. "Minimum weight wireless power transfer coil design." In 2016 7th Power Electronics and Drive Systems Technologies Conference (PEDSTC). IEEE, 2016. http://dx.doi.org/10.1109/pedstc.2016.7556923.

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Martel, Sylvain M., and Ian W. Hunter. "Piezo-drive circuits for amplitude-modulated locomoton for miniature wireless robots." In Intelligent Systems and Advanced Manufacturing, edited by Bradley J. Nelson and Jean-Marc Breguet. SPIE, 2001. http://dx.doi.org/10.1117/12.444127.

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Jiang, Wei, Song Xu, Nailu Li, Zhengyu Lin, and Barry W. Williams. "Wireless power charger for light electric vehicles." In 2015 IEEE 11th International Conference on Power Electronics and Drive Systems. IEEE, 2015. http://dx.doi.org/10.1109/peds.2015.7203533.

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Gordhan, Uvir, and Sampath Jayalath. "Wireless Power Transfer System for an Unmanned Aerial Vehicle." In 2021 12th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). IEEE, 2021. http://dx.doi.org/10.1109/pedstc52094.2021.9405902.

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Chao, Ching-Yi, Tsung-Jung Li, Chin-Wen Liao, Yi-Lin He, and Tsair-Rong Chen. "Study of contactless power supply for wireless mouse." In 2009 International Conference on Power Electronics and Drive Systems (PEDS 2009). IEEE, 2009. http://dx.doi.org/10.1109/peds.2009.5385897.

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Siroos, Ahmad, Mostafa Sedighizadeh, Ebrahim Afjei, and Alireza Sheikhi Fini. "Comparison of different controllers for wireless charging system in AUVs." In 2022 13th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). IEEE, 2022. http://dx.doi.org/10.1109/pedstc53976.2022.9767377.

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Miyamoto, Hiroyuki, Masayuki Morimoto, and Katsuaki Morita. "On-line SOC Estimation of Battery for Wireless Tram Car." In 2007 7th International Conference on Power Electronics and Drive Systems. IEEE, 2007. http://dx.doi.org/10.1109/peds.2007.4487927.

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Rezazade, Saman, Reza Naghash, and Seyed Ebrahim Afjei. "Wireless Power Transfer Systems: The Coupling Factor Impact on Different Compensation Topologies." In 2022 13th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC). IEEE, 2022. http://dx.doi.org/10.1109/pedstc53976.2022.9767222.

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Ramezani, A., Sh Farhangi, H. Iman-Eini, and B. Farhangi. "High efficiency wireless power transfer system design for circular magnetic structures." In 2016 7th Power Electronics and Drive Systems Technologies Conference (PEDSTC). IEEE, 2016. http://dx.doi.org/10.1109/pedstc.2016.7556922.

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Звіти організацій з теми "Drive by wireless systems"

Esener, Sadik. Optical Interconnects for Smart Antenna Driver-Receiver-Switch System for Wireless Communication. Fort Belvoir, VA: Defense Technical Information Center, December 2002. http://dx.doi.org/10.21236/ada412178.

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Young, William Frederick, and David Patrick Duggan. Views of wireless network systems. Office of Scientific and Technical Information (OSTI), October 2003. http://dx.doi.org/10.2172/918377.

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Candell, Richard. Industrial wireless systems workshop proceedings. Gaithersburg, MD: National Institute of Standards and Technology, May 2017. http://dx.doi.org/10.6028/nist.ir.8174.

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Burkholder, R. J., Robert J. Mariano, P. Schniter, and I. J. Gupta. EM threat analysis for wireless systems. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/889002.

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Smith, William M., and Donald C. Cox. Urban Propagation Modeling for Wireless Systems. Fort Belvoir, VA: Defense Technical Information Center, January 2004. http://dx.doi.org/10.21236/ada424868.

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Candell, Richard, Mohamed Hany, Kang B. Lee, Yongkang Liu, Jeanne Quimby, and Kate Remley. Guide to industrial wireless systems deployments. Gaithersburg, MD: National Institute of Standards and Technology, April 2018. http://dx.doi.org/10.6028/nist.ams.300-4.

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Candell, Richard, Kate A. Remley, Jeanne T. Quimby, David Novotny, Alexandra Curtin, Peter B. Papazian, Mohamed Kashef, and Joseph Diener. Industrial wireless systems radio propagation measurements. Gaithersburg, MD: National Institute of Standards and Technology, January 2017. http://dx.doi.org/10.6028/nist.tn.1951.

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Federspiel, Clifford. Wireless Demand Response Controls for HVAC Systems. Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/973101.

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Author, Not Given. Drive Systems for Photonic Bandgap (PBG) Accelerators. Office of Scientific and Technical Information (OSTI), October 2018. http://dx.doi.org/10.2172/1484275.

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Baras, J., C. Berenstein, A. Ephremides, V. Gligor, R. Liu, H. Papadopoulos, N. Roussopoulos, and M. Wu. Distributed Immune Systems for Wireless Network Information Assurance. Fort Belvoir, VA: Defense Technical Information Center, April 2010. http://dx.doi.org/10.21236/ada532147.

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