Dissertations / Theses on the topic 'Transmission variable'
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Burger-Scheidlin, Christoph. "Variable rate transmission over noisy channels." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/3318.
Full textGibbs, John H. "Actuated Continuously Variable Transmission for Small Vehicles." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1238819759.
Full textChuang, Jason C. "Variable Speed Flapping Wing Micro Air Vehicle using a Continuous Variable Transmission Design." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1401813452.
Full textMcCandless, John Gregory. "Design of a belt-driven continuously variable transmission." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/12147.
Full textKolks, Giacomo, and Jürgen Weber. "Electro-hydrostatic compact drives with variable transmission ratio." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71209.
Full textWells, Dax B. "Investigation of Mechanical Differentials as Continuously Variable Transmissions." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2904.
Full textAndersen, Brian S. "An Investigation of a Positive Engagement, Continuously Variable Transmission." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1878.pdf.
Full textLahr, Derek Frei. "Development of a Novel Cam-based Infinitely Variable Transmission." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/35759.
Full textMaster of Science
Bamhdi, Alwi M. "Variable power transmission in highly Mobile Ad-Hoc Networks." Thesis, Heriot-Watt University, 2014. http://hdl.handle.net/10399/2780.
Full textFecko, Mariusz, Kirk Chang, Heechang Kim, Andrzej Cichocki, Larry Wong, Ray O'Connell, Mark Radke, Tom Young, and Thomas Grace. "CAPACITY ALLOCATION FOR TELEMETRY LINKS WITH VARIABLE TRANSMISSION RATES." International Foundation for Telemetering, 2016. http://hdl.handle.net/10150/624232.
Full textIngvast, Johan. "Quadruped robot control and variable leg transmissions." Doctoral thesis, Stockholm, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-600.
Full textWillis, Christopher Ryan. "A Kinematic Analysis and Design of a Continuously Variable Transmission." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/79677.
Full textMaster of Science
Bell, Colin Alexander. "Constant power-continuously variable transmission (CP-CVT) : optimisation and simulation." Thesis, Brunel University, 2011. http://bura.brunel.ac.uk/handle/2438/6279.
Full textChin, Hin-Soon. "Transmission of variable bit rate video over an Orwell ring." Thesis, Loughborough University, 1989. https://dspace.lboro.ac.uk/2134/32384.
Full textBasl, Peter A. W. Bakr Mohamed H. Nikolova Natalia K. "An adjoint variable method for time-domain transmission line modeling." *McMaster only, 2007.
Find full textHaupt, Brandon Levi. "Design and Analysis of a Positively Engaged Continuously Variable Transmission." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2635.pdf.
Full textMaugham, Robin. "Dilution torque control of a gasoline engine." Thesis, University of Bath, 2002. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268735.
Full textCyders, Timothy J. "Analysis and Experimental Comparison of Models of a New Form of Continuously Variable Transmission." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1354807440.
Full textTavakoli-Bina, Mohammad. "The bootstrap variable inductance : a new FACTS controller for AC power systems." Thesis, University of Surrey, 2001. http://epubs.surrey.ac.uk/1043/.
Full textRandall, Austin B. "Investigation of a Planetary Differential for Use as a Continuously Variable Transmission." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3311.
Full textSmith, Michael Henry. "Vehicle powertrain modeling and ratio optimization for a continuously variable transmission." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/17801.
Full textMercati, Stefano, Fabrizio Panizzolo, and Giovanni Profumo. "Power split Hydro-mechanical Variable Transmission (HVT) for off-highway application." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-200396.
Full textAnderson, John A. "Designing and modeling a torque and speed control transmission (TSCT)." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1194.
Full textTitle from document title page. Document formatted into pages; contains viii, 69 p. : ill. Includes abstract. Includes bibliographical references (p. 68-69).
Shellenberger, Michael J. C. "Design considerations for variable power split hydraulic drives for industrial applications." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=655.
Full textTitle from document title page. Document formatted into pages; contains x, 91 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 68-69).
Huval, Danny J. "Heat transfer in variable density, low mach number, stagnating turbulent flows." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/12394.
Full textGuvey, Serkan. "Dynamic Simulation And Performance Optimization Of A Car With Continuously Variable Transmission." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/2/1095322/index.pdf.
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s simulation toolbox Simulink. By defining the required operating points for better acceleration performance and fuel consumption, and operating the engine at these points, performance optimization is satisfied. These transmissions are compared with each other according to their &
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acceleration performances, maximum speeds, required time to travel 1000 m. and fuel consumptions for European driving cycles ECE and EUDC. These comparisons show that CVT systems are superior to automatic transmission, according to their acceleration and fuel consumption performances. CVTs also provide smoother driving, while they can eliminate jerks at gear shifting points.
Cacciatori, E. "Advanced control concepts for a parallel hybrid powertrain with infinitely variable transmission." Thesis, Cranfield University, 2006. http://dspace.lib.cranfield.ac.uk/handle/1826/11017.
Full textAkinsolu, Ojuetimi Ifedayo. "A design of variable transmission power control for wireless ad-hoc network." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/13559.
Full textWireless Ad-hoc Network has emanated to be a promising network paradigm that can handle last mile technology due to unprecedented growth of internet users. This network is promising because it extends network to remote areas such as congested environments, rural environments etc. It is known that nodes involved in Wireless Ad-hoc Network rely on battery energy as their source of power. Energy consumption has become one of the major challenges experienced in Wireless Ad-hoc Network, which must be properly tackled. This could be traced to the effect of transmission power on the nodes in the network. Transmission power largely determines the amount of energy consumed by each node in the network. Therefore, a power control technique must be adopted in order to manage and select the optimal transmission power with respect to distance. This transmission power must be sufficient to transfer information from one node to another. Literature have proposed different algorithms for power control technique in Wireless Ad-hoc Network. Some researchers looked at the power control technique in terms of minimising energy consumed from different perspectives, which include power aware routing and power control topology management. However, most of these algorithms were applied at different layers in OSI model such as physical layer, data link layer, network layer and application layer. To achieve a reduced energy consumption at each node in the network, a novel algorithm for transmission power control was designed to select optimal transmission power. The proposed algorithm was designed in such a way that it selects transmission power based on the distance between the nodes without affecting the network throughput. Graph theory is used in this research to model the network topology, and transmission power with respect to the distance.
Cacciatori, Enrico. "Advanced control concepts for a parallel hybrid powertrain with infinitely variable transmission." Thesis, Cranfield University, 2006. http://dspace.lib.cranfield.ac.uk/handle/1826/11017.
Full textDalling, Ryan R. "An Investigation of Positive Engagement, Continuously Variable Transmissions." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2391.pdf.
Full textPaté, David. "Diffusion de séquences animées à qualité variable." Université Louis Pasteur (Strasbourg) (1971-2008), 2001. http://www.theses.fr/2001STR13176.
Full textSaribay, Zihni Burçay Smith Edward C. Rao Suren B. Bill Robert C. Wang K. W. "Analytical investigation of the pericyclic variable-speed transmission system for helicopter main-gearbox." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-4689/index.html.
Full textTawi, K. B. "Investigation of belt misalignment effects on metal pushing v-belt continuously variable transmission." Thesis, Cranfield University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387629.
Full textSanhaji, Mani Ahmed. "Contribution à la réalisation d'un système de transmission de couple à vitesse variable." Rouen, 1995. http://www.theses.fr/1995ROUES057.
Full textDeacon, Michael. "Optimising the control of a passenger car diesel engine and continuously variable transmission." Thesis, University of Bath, 1996. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362258.
Full textMicklem, J. D. "The investigation and modelling of the steel compression V-belt continuously variable transmission." Thesis, University of Bath, 1994. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359731.
Full textJames, Iain B. "Dynamic characteristics of a split-power IVT." Thesis, University of Bath, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390305.
Full textSubbalakshmi, K. P. "Joint source-channel decoding of variable-length encoded sources with applications to image transmission." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0013/NQ61684.pdf.
Full textRose, Adam. "Application of a continuously variable transmission to engine boosting and exhaust energy recovery systems." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636513.
Full textMessick, Matthew James. "An Experimentally-Validated V-Belt Model for Axial Force and Efficiency in a Continuously Variable Transmission." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/85055.
Full textMaster of Science
Athanasiadis, Nikolaos P. "Modelling, control and design of Flexible AC Transmission Systems (FACTS), custom power devices and variable speed drives for transmission and distribution architectures." Thesis, University of Strathclyde, 1999. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21441.
Full textVelazquez-Carrillo, Gerardo A. "Prototypage virtuel des boites de vitesses automatiques : Application à une pompe à palette à cylindrée variable." Toulouse, INSA, 2008. http://www.theses.fr/2008ISAT0051.
Full textThe research presented in this report deals with the contribution to virtual prototyping of the automotive powertrain. The particular interest is the study of a variable displacement vane pump which is the pressure source for the electrohydraulic control systems of automatic gearboxes. The developments are applied to a five speeds automatic transmission hydraulic pump which is manufactured at General Motors Strasbourg. The most important contributions are, in first place, by the model structure, the detailed study of the displacement variation as a function of the eccentricity and the angular position of the rotor, the proposal and application of an interface between CAD and simulation tools. Another important work is the proposal of an optimization process of the angular distribution of the pump vanes to reduce the annoying noise of the pump. The last part of this work is dedicated to the design, integration and fine-tuning of a test bench which allows experimental validation of the virtual model
Toussile, Wilson. "Sélection de variable : structure génétique d'une population et transmission de Plasmodium à travers le moustique." Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00553674.
Full textKatariya, Ashish Santosh. "Dynamic modeling and feedback control with mode-shifting of a two-mode electrically variable transmission." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45825.
Full textLewis, Fraser Iain. "Assessing the impact of variable infectivity on the transmission of HIV among intravenous drug users." Thesis, University of Strathclyde, 2000. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=20368.
Full textMullen, John A. "Analytical and Experimental Comparison of a Positive Displacement Water Pump Using an Infinitely Variable Transmission." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1492125053378972.
Full textHuang, Chin-Ching, and 黃智清. "Control of Hydrostatic Variable Transmission." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/854pnb.
Full text國立虎尾科技大學
機械與機電工程研究所
98
In this research, a new hydrostatic-transmission with shift control scheme is developed. Coupled with a 2-DOF planetary gear set, a hydraulic package of a reversible variable-displacement hydraulic pump/motor and accumulator is used to replace the conventional continuously variable transmission (CVT) to optimize energy economy. With this hydrostatic system, nearly all of the energy typically lost during vehicle braking is captured and used to propel the vehicle the next time it needs to accelerate. Compare with conventional CVT system, the benefits of hydrostatic-transmission system include: better energy economy, better acceleration, less brake maintenance, and longer battery life. In this study, the prime task is to analyze the operating characteristics and performance of the hydrostatic-transmission system and derive an optimal control strategy for power shift. Then, a test bench of hydrostatic-transmission system is arranged to perform operating tests for verifying the performances of the developed systems. For optimizing energy economy and smoothing shift control, a genetic algorithm (GA) based adaptive neural sliding mode control (GANSMC) is proposed to control the hydrostatic -transmission system. The control parameters of GANSMC can be properly adjusted by using online parameters tuning algorithm derived from GA. Compare with PI controller, the experimental results show that this novel controller has good control performance, stability, and robustness.
Cho, Chang-Yeh, and 卓昌衍. "Vibrations of Flat Belt Continuously Variable Transmission." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/41258074367675159689.
Full textTu, Yu-Jui, and 杜育瑞. "Electronically-Controlled Continuously Variable Transmission Systems for Motorcycles." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/x9htrv.
Full text崑山科技大學
機械工程研究所
91
The V-belt Continuously Variable Transmission (CVT) systems are widely used in almost all kinds of scooters. The major mechanism of the traditional CVT is composed of centrifugal rollers, the compression spring and the torque cam. They are used to adjust the speed ratios for complying with the engine speed and the rear wheel load. In addition to the low transmission efficiency at the lower speed, the centrifugal rollers and movable flange have the worn-up problems which may reduce the materials life-cycle. In order to improve these problems, the aim of our study is to design a brand new Electronically-Controlled Continuously Variable Transmission (ECCVT) system to overcome the limitation of the traditional CVT mechanism. In stead of the centrifugal rollers and movable flange, the new ECCVT use the electronic control equipment to change the speed ratios. Therefore, it gets rid of the material worn-up problems. The ECCVT system can also provide the overall system with higher durability and reliability, and the accurate movement. Combined with the sensor signals of the engine speed, the vehicle speed and the TPS (Throttle Position Sensor), the suitable speed ratio can be calculated. One ECCVT system can be used for different types of engines and in different kinds of driving conditions. By controlling the shift timing and the changing speed of speed ratios, the ECCVT can fulfill the various engine configurations and loading. Therefore, the ECCVT system can be expected to have better power transmission and higher energy transferred efficiencies. At the present stage, the design and experiment test of the new ECCVT system have been accomplished, the experiment results show that the ECCVT system can provide a better transmission efficiency at the lower speeds and the worn-up problems can be avoided. When the external load is changed from 1.16 N-m to 5.8 N-m, the transmission efficiency increases from 45% to 80% obviously. But the increasing tendency is becoming smoothly when the load is above 3.48 N-m. Based on the dynamic test data, the average transmission efficiency of the ECCVT system is 5% higher than that of the traditional CVT system. But, if the speed changed of speed ratio is too fast, the transmission efficiency will drop obviously while the speed ratio starts to change and latter-on the transmission efficiency will increase with the increasing speed ratios.
Hsu, Ying-feng, and 徐英峰. "Controller Design for Transmission Systems with Variable Compliance." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/41921876273809349685.
Full text國立中山大學
機械工程學系研究所
89
Transmission mechanism is usually modeled as a rigid component in most control tasks of manufacturing processes. Nevertheless, experimental studies have shown that the inherent compliant characteristic of transmission mechanisms seriously degrades the whole system’s performance. This paper presents an adaptive control strategy to overcome positioning difficulty of a transmission system with a variable compliance. A flexible joint, consisting of sixteen linear springs, is designed for actual positioning experiments. In order to enhance variation of the compliance, an eccentric load is located behind the flexible joint. Therefore, the axial compliance is not fixed and will change according to the load’s angular position. The proposed controller is developed on an adaptive control structure to provide capability of fast adaptation to compliance variation. Besides, the robustness of the control system is also specifically emphasized to improve positioning performance with respect to model uncertainty and unknown disturbances. The control law is obtained by applying the Lyapunov’s theorem. Effectiveness of the presented control method is demonstrated on trajectory control of an experimental transmission mechanism with the flexible joint under variable compliance conditions.