Tesi sul tema "Reluctance motors"
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Kummara, Venkata Guru Raghavendra. "Simulation of Switched Reluctance Motors". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
Cerca il testo completoAmreiz, Hassan Musa. "Transverse flux switched reluctance motors". Thesis, University of Newcastle Upon Tyne, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270782.
Testo completoEl-Kharashi, Eyhab Aly Kamel. "Segmented rotor switched reluctance motors". Thesis, University of Newcastle upon Tyne, 2003. http://hdl.handle.net/10443/3112.
Testo completoMotamedi-Sedeh, Ardeshir. "Speed control of switched reluctance motors". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28241.pdf.
Testo completoLin, Zhengyu. "Advanced control of switched reluctance motors". Thesis, Heriot-Watt University, 2005. http://hdl.handle.net/10399/266.
Testo completoChumacero, Polanco Erik. "Velocity sensorless control switched reluctance motors". Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112062/document.
Testo completoIn this thesis dissertation we present the design, stability analysis, numerical simulations and physical experiments of different controllers designed to drive the mechanical velocity of the switched reluctance motor (SRM). In the First and Second Chapters a brief description of the physics and construction of the SRM is presented, as well as the problem of control to be aboard, that is the velocity sensorless control of motors and the state of the art of this problem. The proposed solution is introduced and a summary of the published papers as well as the contribution are also presented.In the Chapter number three is presented the velocity sensorless and adaptive control of the SRM. It is assumed, in a first stage, that only mechanical velocity is unknown, uniform exponential stability of the errors is achieved in this scenario. In a second stage, conditions are stressed and in addition to the velocity, physical parameters are also assumed unknown, uniform asymptotical stability is achieved in this case and parameters estimation is guaranteed under a persistence of excitation condition. This controller consists of two loops, an internal loop based on a PI2D–type controller which is of particular interest given it is free-model; this loop drives the mechanical variables –that is position and velocity- towards a desired reference. An external control loop takes the electrical current towards a ‘’virtual” current reference which is generated based on a torque share approach. The controller is tested on numerical simulations, which are also presented.In the fourth chapter, a new approach on the modeling of the SRM is utilized to design the controller, in this scenario is assumed that the whole state and all the physical parameters are available, however this approach is thought to be suitable to observer based controller, whose ongoing research is being performed. The controller is composed by two loops, similarly to the one mentioned previously. This controller is selected because it is suitable for certainty equivalence control, that is, to substitute the “measurements” by the “observations” coming from a virtual sensor. Numerical implementation is performed on Simulink of Matlab.Finally, in the Chapter five, the experimental results carried out to evaluate the performance of the proposed controllers are presented, these are the PI2D and the adaptive PI2D controllers for the simplified model and the $PID$ controller for the novel modeling approach. In the first part, a brief description of the construction of the utilized bench is presented as well as the some technical characteristics. Three different velocity profiles were imposed to each of the overmentioned controllers –these are the so called smooth step, the saturated ramp and the sinusoidal reference- and good results, considering that the controlled variable is the velocity, were obtained. The last chapter corresponds to the conclusions of the performed research as well as to the future work
Sadri, Seyed Mohammad Reza. "Variable reluctance motor and drive systems". Thesis, View thesis, 1995. http://handle.uws.edu.au:8081/1959.7/427.
Testo completoSadri, Seyed Mohammad Reza. "Variable reluctance motor and drive systems /". View thesis, 1995. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030716.150935/index.html.
Testo completoSakurai, Atsuhiko. "Sliding mode control of switched reluctance motors". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ63026.pdf.
Testo completoShaikh, Abdulbasad Abdulkader. "Computer aided design of switched reluctance motors". Thesis, Imperial College London, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325101.
Testo completoKjaer, Philip Carne. "High-performance control of switched reluctance motors". Thesis, University of Glasgow, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362954.
Testo completoPollock, Charles. "Power converter circuits for switched reluctance motors". Thesis, Heriot-Watt University, 1989. http://hdl.handle.net/10399/844.
Testo completoMetwally, H. M. B. "Multi-tooth per pole variable reluctance motors". Thesis, University of Newcastle Upon Tyne, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370148.
Testo completoKaracan, Cuneyt. "Comparison Of Performance Of Switched Reluctance Motors, Induction Motors And Permanent Magnet Dc Motors". Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12604925/index.pdf.
Testo completo陳基和 e Jihe Chen. "Chaos in DC and switched reluctance motor drives". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31239973.
Testo completoChen, Jihe. "Chaos in DC and switched reluctance motor drives /". Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B2197942X.
Testo completoRehman, Saeed ur. "Commutation, identification and estimation for switched reluctance motors". Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/13412.
Testo completoHanekom, Alwyn Nicolaas. "A torque ripple analysis on reluctance synchronous machines". Thesis, Cape Peninsula University of Technology, 2006. http://hdl.handle.net/20.500.11838/1145.
Testo completoReluctance Synchronous Machines (RSM) have, due to their rotor geometry, an inherently high torque ripple. This torque ripple is defined as the deviation of the minimum and maximum torque from the average value. It is unwanted as it indicates uneven pull on the rotor causing deformation of it and hence different air-gaps along the rotor circumference as well as acoustic noise. In applications such as power steering, robotics and radar positioning systems where high precision movement is vital, oscillating torque will lead to the malfunction of these devices and therefore suppressed the use and development of RSMs. Unlike the Induction machine (IM), the RSM has no copper losses in the rotor, which reduces the operating temperature significantly. With the development of electronic drives the quality of the output torque could be improved by means of accurate current- and flux space phasor control methods with much success and made the RSM a possible replacement for the IM. However, reducing torque ripple by means of purely geometrical changes is still a challenge to the machine designer. This thesis will focus on the reduction of torque ripple while leaving the average torque relatively unchanged by changing the rotor geometry. The rotor changes will take place by means of flux barriers and cut-outs while the stator has either semi-closed slots or magnetic wedges. In this work rotor structures with equal harmonic magnitudes but their angles 1800 apart. will be combined to form one machine and identify how torque harmonics respond. The change in average torque and power factor will be evaluated with all geometrical changes made to these machines throughout this work.
Mvungi, Nerey Henry. "Sensorless rotor position detection for variable reluctance motors". Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329040.
Testo completoJenkinson, Graeme Craig. "The design of single-phase switched reluctance motors". Thesis, University of Leeds, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405002.
Testo completoBae, Han-Kyung. "Control of Switched Reluctance Motors Considering Mutual Inductance". Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/28593.
Testo completoPh. D.
Donaghy-Spargo, Christopher Michael. "Synchronous reluctance motors with fractional slot-concentrated windings". Thesis, University of Newcastle upon Tyne, 2016. http://hdl.handle.net/10443/3486.
Testo completoPasquesoone, Gregory. "Controls for High Performance Three-Phase Switched Reluctance Motors". University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1310874393.
Testo completoRichardson, Kevin M. "An integrated switched reluctance marine propulsion unit". Thesis, University of Warwick, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265625.
Testo completoAhmed, Raga. "Performance limits of linear variable reluctance motors in controlled linear motion applications". Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50310.
Testo completoAljaism, Wadah A. "Switched reluctance motor : design, simulation and control". Thesis, View thesis, 2007. http://handle.uws.edu.au:8081/1959.7/26494.
Testo completoOza, Ameesh R. "A microprocessor control scheme for switched reluctance motor drives". Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/76444.
Testo completoMaster of Science
Aggarwal, Rakesh. "Computer aided design techniques for variable-reluctance stepping motors". Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292938.
Testo completoMarvelly, J. D. "Position encoderless self synchronisation of variable reluctance stepping motors". Thesis, University of Canterbury. Engineering, 1987. http://hdl.handle.net/10092/6463.
Testo completoDeng, Xu. "A drive system for six-phase switched reluctance motors". Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3921.
Testo completoWallace, Richard S. Jr. "Design and control of switched reluctance motors to reduce torque ripple". Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/13874.
Testo completoVijayraghavan, Praveen. "Design of Switched Reluctance Motors and Development of a Universal Controller for Switched Reluctance and Permanent Magnet Brushless DC Motor Drives". Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/29799.
Testo completoPh. D.
Wung, Peter Yu-Pu. "Operating point dependent modeling of synchronous reluctance motors and its implication on vector controlled motor performance". Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/15042.
Testo completoPei, Jianfa. "Methodology of design and analysis of variable-reluctance spherical motors". Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/18197.
Testo completoAljaism, Wadah A. "Switched reluctance motor design, simulation and control /". View thesis, 2007. http://handle.uws.edu.au:8081/1959.7/26494.
Testo completoA thesis presented to the University of Western Sydney, College of Health and Science, School of Engineering, in fulfilment of the requirements for the degree of Doctor of Philosophy. Title from title screen. Includes bibliographical references. Thesis minus Appendix B (video clips and photos) also available online at: http://handle.uws.edu.au:8081/1959.7/26494.
Zhan, Yiju. "A high performance switched reluctance motor drive for electric vehicles /". Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19833945.
Testo completoMichaelides, Alexandros M. "The design of switched reluctance motors for efficient energy conversion". Thesis, University of Warwick, 1994. http://wrap.warwick.ac.uk/36213/.
Testo completoBlake, R. J. "The control of switched reluctance motors for battery vehicle applications". Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371273.
Testo completoCameron, Derrick E. (Derrick Eugene). "Origin and reduction of acoustic noise in variable-reluctance motors". Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/57729.
Testo completoIncludes bibliographical references (leaves 116-118).
by Derrick E. Cameron.
M.S.
Sourirajan, Aravind. "Computer aided design of a switched reluctance motor". Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/53720.
Testo completoMaster of Science
Roth, Ronald B. "An experimental investigation and optimization of a variable reluctance spherical motor". Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/18913.
Testo completoRakgati, Edward Tshitshiri. "Torque Performance of Optimally Designed Multi-Phase Reluctance DC Machines". Thesis, Link to the online version, 2006. http://hdl.handle.net/10019/1174.
Testo completoGurdal, Osman. "Position control of linear reluctance motors by airgap magnetic field sensing". Thesis, University of Sussex, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358188.
Testo completoHudson, Christopher Allen. "Single-Phase, Single-Switch, Sensorless Switched Reluctance Motor Drive Utilizing a Minimal Artificial Neural Net". Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34735.
Testo completoMaster of Science
Larsson, Martin. "Electric Motors for Vehicle Propulsion". Thesis, Linköpings universitet, Fordonssystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-103907.
Testo completoSitsha, Lizo M. M. "Design of tapered and straight stator pole switched reluctance machines". Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51678.
Testo completoENGLISH ABSTRACT: This thesis deals with the design and optimisation of medium power traction switched reluctance machines with tapered and straight stator poles. Only the prototype of the tapered stator pole machine is constructed and evaluated in this study. A non-commercial finite element package is used in the design and optimisation of the machines. The finite element method is applied directly in the optimisation procedure to optimise the design of the machines in multi-dimensions. The lumped circuit analysis method is used only for the purpose of verifying some of the finite element calculated. It is not used in the optimisation procedure. The performance characteristics of the tapered and straight stator pole machines are compared and discussed and the tapered stator pole machine is found to have better torque performance. Also the calculated and measured static torque versus rotor position characteristics of the tapered stator pole machine are compared and discussed.
AFRIKAANSE OPSOMMING: Die tesis beskryf die ontwerp en optimering van medium drywing trekkrag geskakelde reluktansie masjiene met tapse en reguit stator pole. Slegs 'n prototipe van die tapse stator pool masjien is gebou en geëvalueer. Die masjiene is ontwerp en geoptimeer met behulp van 'n nie-kommersiële eindige element metode pakket. Die eindige element metode is direk in die optimerings algoritme gebruik vir die optimering van die masjiene in multi-dimensies. Die gekonsentreede parameter stroombaananalise is slegs gebruik om sommige van die eindige element berekenings te verifeer. Die vermoës van die tapse en reguit stator pool masjiene is vergelyk en bespreek. Die resultate toon dat die tapse stator pool masjien se draaimoment vermoë beter is as die van die reguit stator pool masjien. Die berekende en gemete statiese draaimoment teenoor rotorposisie van die tapse stator pool masjien is ook vergelyk en bespreek.
詹宜巨 e Yiju Zhan. "A high performance switched reluctance motor drive for electric vehicles". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31238026.
Testo completoZhou, Zhi. "Real-time control and characterization of a variable reluctance spherical motor". Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/17665.
Testo completoThompson, Kenneth. "Position estimation in a switched reluctance motor using recursive least squares". Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366575.
Testo completoPop, Adrian-Cornel. "Switched reluctance motors for electric vehicle propulsion: optimal machine design and control". Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209569.
Testo completo