基于偏差耦合结构的多电机转速同步控制系统  

Multi-Motor Speed Synchronous Control System Based on Relative Coupling Control

作　　者：刘宗锋 杨其玺 王庆洲 刘晋霞 LIU Zong-feng;YANG Qi-xi;WANG Qing-zhou;LIU Jin-xia(College of Transportation,Shandong University of Science and Technology,Shandong Qingdao 266590,China;Qingdao Branch of BAIC BJEV Co.,Ltd.,Shandong Qingdao 266600,China)

机构地区：[1]山东科技大学交通学院,山东青岛266590 [2]北京新能源汽车股份有限公司青岛分公司,山东青岛266600

出　　处：《机械设计与制造》2023年第4期34-39,共6页Machinery Design & Manufacture

基　　金：山东省重点研发计划资助项目—四轮驱动纯电动汽车的关键技术研究(2016GGX105008)。

摘　　要：为了提升分布式驱动电动汽车中三台永磁同步电机(PMSM)转速同步控制系统的同步性能和抗干扰能力,以传统偏差耦合结构中的固定增益转速补偿器为基础设计了基于最小转速的新型同步转速补偿器,为了减小电机的跟随误差以及提高控制系统鲁棒性,提出了一种改进非线性函数,以此函数为基础对传统自抗扰控制器(ADRC)进行改良,并设计了PMSM改进一阶ADRC速度环控制器。建立了基于偏差耦合的三台PMSM同步控制系统模型,并进行了仿真对比,结果表明,采用新型转速补偿器和改进一阶ADRC的多电机同步控制系统的同步性能以及转速补偿效果更好,且跟随误差较小,系统动、静态性能和抗干扰能力均有所提高。In order to improve the synchronization performance and anti-interference ability of multi-motor speed synchronous control system in distributed drive electric vehicle,a new speed compensator based on minimum speed is designed based on the fixed gain speed compensator in the traditional relative coupling structure.At the same time,in order to reduce the following error and improve the robustness of the control system,an improved nonlinear Junction is proposed.Based on this junction,the traditional active disturbance rejection controller(ADRC)is improved,and the improved first-order ADRC permanent magnet synchronous motor(PMSM)speed control system is designed.Three PMSM synchronous control system models based on relative coupling are established,and the simulation results show that the multi-motor synchronous control system with new speed compensator and improved first-order ADRC has better synchronization performance and speed compensation effect,smaller following error,and dynamic and static performance and anti-interference ability are improved.

关 键 词：多电机同步控制 偏差耦合 速度补偿器 永磁同步电机 自抗扰控制器 

分 类 号：TH16[机械工程—机械制造及自动化] TM341[电气工程—电机]