负载周期波动永磁同步电动机前馈补偿控制
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摘要
研究了负载转矩周期波动工况永磁同步电机前馈补偿控制策略,给出了前馈补偿控制的系统结构和系统控制流程图,并提出了正弦波前馈补偿电流的获取方案。在系统仿真模型的基础上,研究了转矩前馈补偿角度、补偿量的取值规律问题。对控制策略进行了仿真分析和实验验证,结果表明前馈补偿控制可有效抑制负载转矩波动引起的转速波动。
A torque pre-compensation control strategy of permanent magnet synchronous motor,with periodic fluctuation of load torque was presented. Block diagram and control flowchart of the torque pre-compensation control system were given,and the calculated equation of compensation current was proposed with the sine waveform compensation scheme. On the basis of MATLAB simulation model of the system,the determination regulation of the angle and the current amplitude of the torque pre compensation was analyzed. The simulated and experimental results validate the correctness of the proposed control strategy.
A torque pre-compensation control strategy of permanent magnet synchronous motor,with periodic fluctuation of load torque was presented. Block diagram and control flowchart of the torque pre-compensation control system were given,and the calculated equation of compensation current was proposed with the sine waveform compensation scheme. On the basis of MATLAB simulation model of the system,the determination regulation of the angle and the current amplitude of the torque pre compensation was analyzed. The simulated and experimental results validate the correctness of the proposed control strategy.
引文
[1]储剑波,胡育文.一种抑制永磁同步电机转速脉动的方法[J].电工技术学报,2009,24(12):43-48.
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[5]杨渭滨,吕帅帅.基于负载转矩观测器的永磁同步电动机模糊滑模控制[J].微特电机,2015,43(12):69-71.
[6]关欣,李叶松.基于实时负载转矩反馈补偿的永磁同步电机变增益PI控制[J].电工技术学报,2016,31(23):43-48.
[7]张猛,李永东,赵铁夫,等.一种减小变频空调压缩机低速范围内转速脉动的方法[J].电工技术学报,2006,21(7):99-104.
[8]黄辉,马颖江,张有林,等.减小变频空调单转子压缩机低频转速波动的方法[J].电机与控制学报,2011,15(3):98-102.
[9]KRISHNAN R.永磁无刷电机及其驱动技术[M].柴凤,译.北京:机械工业出版社,2012.
[2]廖勇,甄帅,刘刃,等.用谐波注入抑制永磁同步电机转矩脉动[J].中国电机工程学报,2011,1(21):119-127.
[3]韩维敏,罗湘运,李世军.基于前馈补偿的永磁同步电机谐波抑制方法[J].控制工程,2016,23(2):284-288.
[4]李兵强,林辉.抑制PMSM周期性转矩脉动的迭代学习方法[J].电机与控制学报,2011,15(9):51-55.
[5]杨渭滨,吕帅帅.基于负载转矩观测器的永磁同步电动机模糊滑模控制[J].微特电机,2015,43(12):69-71.
[6]关欣,李叶松.基于实时负载转矩反馈补偿的永磁同步电机变增益PI控制[J].电工技术学报,2016,31(23):43-48.
[7]张猛,李永东,赵铁夫,等.一种减小变频空调压缩机低速范围内转速脉动的方法[J].电工技术学报,2006,21(7):99-104.
[8]黄辉,马颖江,张有林,等.减小变频空调单转子压缩机低频转速波动的方法[J].电机与控制学报,2011,15(3):98-102.
[9]KRISHNAN R.永磁无刷电机及其驱动技术[M].柴凤,译.北京:机械工业出版社,2012.