基于降阶解耦的五相容错伺服电机驱动系统容错控制策略  

Research on Fault-tolerant Control of Five-phase Fault-tolerant Servo Motor Drive System Based on Reduced-order Decoupling

作　　者：薛荣泽 蒋雪峰 孙延超 汤欣喜 高宇飞 魏之建 马凯 XUE Rongze;JIANG Xuefeng;SUN Yanchao;TANG Xinxi;GAO Yufei;WEI Zhijian;MA Kai(School of Automation,Nanjing University of Science&Technology,Nanjing 210094;China Aerospace Science and Technology Nanjing Chenguang Group Co.,Ltd.,Nanjing 210006)

机构地区：[1]南京理工大学自动化学院,南京210094 [2]中国航天科工南京晨光集团有限责任公司,南京210006

出　　处：《电气工程学报》2023年第4期124-133,共10页Journal of Electrical Engineering

基　　金：江苏省研究生科研与实践创新计划资助项目(KYCX23_0462)。

摘　　要：为提高作战装备的统战性能和可靠性,电驱动系统在武器装备中起到越来越重要的作用,高可靠的电驱动武器装备成为各国力求突破的方向。针对导弹电动舵机因工作环境恶劣导致不可避免的电气故障、常常不能可靠稳定运行的问题,提出一种具备高可靠性的五相容错伺服电机(Permanent magnet fault-tolerant servo motor,PMFSM)伺服系统,为了维持有效定子磁动势不变,实现对故障模式下电机驱动系统的矢量控制策略,提出一套适用于单相开路故障下的Clark和Park变换矩阵。针对故障模式下绕组中性点位偏移对空间矢量脉宽调制(Space vector pulse width modulation,SVPWM)的影响,提出了一种电压补偿策略减弱中性点电位偏移对SVPWM的影响,通过仿真和试验验证所提的五相PMFSM驱动系统的容错控制策略可以使五相PMFSM在绕组单相开路故障下高可靠容错运行,使导弹电动舵机系统有更高的可靠性和更强的容错性。In order to improve the unified performance and reliability of combat equipment,electric drive systems play an increasingly important role in weapons and equipment.Highly reliable electric drive weaponry has become the direction in which countries are striving to break through.A highly reliable five-phase permanent magnet fault-tolerant servo motor(PMFSM)servo system for missile electric servos is proposed,which often fail to operate reliably and stably due to inevitable electrical failures caused by the harsh working environment.In order to maintain the effective stator magnetomotive force constant and realize the vector control strategy for the motor drive system in fault mode,a set of Clark and Park transformation matrix for single-phase open-circuit fault is proposed.A voltage compensation strategy is proposed to attenuate the effect of neutral potential shift on space vector pulse width modulation(SVPWM)for the winding neutral position shift in fault mode.The proposed fault-tolerant control strategy for the five-phase PMFSM drive system is verified through simulation and experiment to enable highly reliable fault-tolerant operation of the five-phase PMFSM under single-phase open circuit faults in the windings,resulting in a more reliable and fault-tolerant missile electric servo system.

关 键 词：五相容错伺服电机 空间电压矢量脉宽调制 开路故障 容错控制 电动舵机 

分 类 号：TM301[电气工程—电机]