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The Resaerch on Control Strategy of Switched Reluctance Motor Drive System

Author: HeQiang
Tutor: YouLinRu
School: South China University of Technology
Course: Pattern Recognition and Intelligent Systems
Keywords: Switched Reluctance Motor Control Strategy Direct Torque Control MATLAB/SIMULINK DSP
CLC: TM352
Type: Master's thesis
Year: 2011
Downloads: 264
Quote: 3
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Abstract


Switched Reluctance Motor (SRM) drive system (SRD) sets modern power electronics and automatic control technology as a whole. With its simple structure, low cost and speed performance characteristics, it has become one of the most popular topics in the field of electrical drives.This paper focuses on the theme of the design of energy-efficient SRD, and on the basis of a comprehensive, in-depth study and concluded relevant literature, carried out the study of the control strategy and the design of the controller. First analyzed the basic characteristics and principle of SRM, and got the speed characteristics of SRM after introduced its basic equations and linear model, and then analyzed a variety of SRM control strategy. In contrast to the advantages and disadvantages of various control strategies, determine to use the direct torque control strategy to design SRD.In order to verify the feasibility and practicality of direct torque control strategy, this paper study and simulate the control system based on the platform of MATLAB/SIMULINK, and compare the simulation result with the conventional current chopping control strategy simulation result. Simulation results show the direct torque control strategy of switched reluctance motor is feasibility and has a good inhibitory effect on the torque ripple.On the basis of simulation experiment, according to the characteristics of the SRM, this paper designs a controller of a 22KW and 6/4 pole SRM, and briefly describes the hardware and software designing of the controller. The core CPU uses TI’s ASIC DSPTMS320F28232, which improves the availability and efficiency of the control system, and Uses the resolver as a detection unit of the position and velocity detection system, which greatly improves the accuracy and reliability of the system.

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CLC: > Industrial Technology > Electrotechnical > Motor > A special motor > Reluctance motor
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