电动车动力传动系机电耦合扭转振动分析与控制

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摘要对电动车动力传动系统的机电耦合扭转振动进行分析与控制。首先，利用整车转鼓试验测得稳态工况下的电流信号，分析引发传动系统扭转振动的主要电流激励谐次；其次，基于最大转矩电流比控制方法，结合传动系统机械振动模型，搭建综合考虑机械、电气相互影响的机电耦合模型，进行仿真分析；然后，提出能够减小传动系统扭转振动幅值的电流谐波优化方法，阐述其原理并搭建其控制模块。控制前后的仿真结果表明，电流谐波优化方法可以有针对性的抑制电流的5倍、7倍谐波，减小6倍电流频率的转矩波动，降低传动系统在中高频固有频率处的振动幅值。

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关键词 ：机电耦合, 扭转振动, 谐波电流, 转矩波动

Abstract：Targeting the electromechanical coupling torsion vibration of electric vehicle driveline, analysis and control were conducted. Firstly, current signals under steady state were obtained by the vehicle chassis dynamometer test, main harmonic current order which causes driveline torsion vibration were derived. Secondly, based on the maximum torque to current ratio control method, combined with the mechanical vibration model of driveline system, electromechanical coupling model considering mechanical and electrical interaction was built, as well as simulation analysis. Then, a harmonic current optimization method was put forward to reduce the drive system torsion vibration amplitude, the principle was expounded and the control module was constructed. Simulation results before and after the control show that the harmonic current optimization method can inhibits 5 times and 7 times harmonic current order, reduces 6 times of the basic current frequency, finally reduces the driveline torque ripple and torsion vibration amplitude at middle and high frequency spectrum.

Key words： electromechanical coupling torsion vibration harmonic current, torque ripple

收稿日期: 2016-03-14 出版日期: 2017-08-28

引用本文:

于蓬1,2 王珮琪1.2，章桐1,2,3 陈诗阳1,2 郭荣1,2. 电动车动力传动系机电耦合扭转振动分析与控制[J]. 振动与冲击, 2017, 36(17): 10-15.
YU Peng1.2 WANG Peiqi1.2，ZHANG Tong1.2.3 CHEN Shiyang1.2 GUO Rong1.2. Electromechanical Coupling Torsion Vibration Analysis and Control of Electric Vehicle Driveline. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(17): 10-15.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2017/V36/I17/10

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