Design andtwo-objective simultaneous optimization of torque controller for switched reluctance motor in electric vehicle
ZHU Yue-ying, ZHAO Gui-fan, WANG Da-fang, LIU Shi-qiang
School of Automobile Engineering,Harbin Institute of Technology,Weihai 264209,China
Abstract:
In order to reduce the torque ripple,increase the average torque and optimize the drive performance of the switched reluctance motor (SRM),the nonlinear dynamic model of SRM is established in the MATLAB /Simulink environment.The effects of the turn-on and turn-off angles are investigated by the simulation results of the dynamic model,and the function is made among the rotor speed,turn-on angle and turn-off angle.To optimize the torque dynamic performance,the two-objective simultaneous optimization function is proposed by two weight factors.And the optimized turn-on and turn-off angles as functions of rotor speed are developed by using the simultaneous optimization method.Then the optimized torque controller is designed based on the optimized turn-on and turn-off angles.The simulation results show that the optimized torque controller designed in this paper can effectively reduce the torque ripple and increase the average torque,and optimize the torque dynamic performance of the SRM.
Key words: electric vehicle switched reluctance motor torque controller two-objective simultaneous optimization
DOI：10.11916/j.issn.1005-9113.2011.06.016
Clc Number:U469.72
Fund:
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Design andtwo-objective simultaneous optimization of torque controller for switched reluctance motor
本站小编 哈尔滨工业大学/2019-10-23
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