耿强,李亮,周湛清

• 1:天津工业大学电气工程学院

摘要(Abstract)：

针对负载转矩扰动造成的双永磁电机系统转速同步性能下降的问题，提出采用观测器测量负载转矩并进行前馈补偿的策略，以减小负载转矩扰动对系统同步性能的影响。首先基于电机数学模型设计了负载观测器，根据传感器测量得到的机械角速度与q轴电流信息准确地估计电机的负载转矩，并结合交叉耦合结构实现了两台电机的转速同步。仿真与实验结果证明：采用所提策略可以准确观测负载转矩，显著减小双永磁电机间的同步误差，大幅缩短双电机调速过渡过程，有效提升系统同步性能。

关键词(KeyWords)： 双永磁电机系统;转速同步;负载观测器;转矩前馈补偿

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目（52077154,51907142）;; 天津市教委科研计划重点项目（2019ZD09）

作者(Author): 耿强,李亮,周湛清

参考文献(References)：

• [1]PECHINIK M,PUSHKAR M,BURIAN S,et al.Investigation of energy characteristics of the electromechanical system in multi-motor conveyors under variation of traction load level on the belt[C]//2019 IEEE 6th International Conference on Energy Smart Systems.Kyiv:IEEE,2019:303-306.
• [2]陈炜，刘旭，史婷娜，等.双轴联动系统广义预测交叉耦合位置控制[J].控制理论与应用，2018,35(3):399-406.CHEN W,LIU X,SHI T N,et al.Generalized predictive cross-coupling position control of biaxial motion system[J].Control Theory&Applications,2018,35(3):399-406(in Chinese）.
• [3]王志强，张秀云.双永磁同步电机系统非级联预测速度同步控制[J].微电机，2020,53(6):78-86,102.WANG Z Q,ZHANG X Y.Non-cascaded predictive speed synchronous control of dual permanent magnet synchronous motor system[J].Micromotors,2020,53 (6):78-86,102(in Chinese）.
• [4]BOGIATZIDIS I X,SAFACAS A N,MITRONIKAS E D,et al.A novel control strategy applicable for a dual AC drive with common mechanical load[J].IEEE Transactions on Industry Applications,2012,48(6):2022-2036.
• [5]魏玉春，夏长亮，刘涛，等.两电机转矩同步系统有限集模型预测控制[J].电工技术学报，2016,31(19):115-122.WEI Y C,XIA C L,LIU T,et al.Finite control set model predictive control for dual-motor torque synchronous system[J].Transactions of China Electrotechnical Society,2016,31(19):115-122(in Chinese）.
• [6]孟凡仪，王众，黄新利，等.柔性联接双电机系统的滑模协调控制[J].中国科技论文，2019,14(11):1161-1167.MENG F Y,WANG Z,HUANG X L,et al.Sliding mode coordinated control of flexible coupled dual-motor system[J].China Sciencepaper,2019,14(11):1161-1167(in Chinese）.
• [7]BRANDO G,PIEGARI L,SPINA I.Simplified optimum control method for monoinverter dual parallel PMSM drive[J].IEEE Transactions on Industrial Electronics,2018,65(5):3763-3771.
• [8]王少炜，耿强，周湛清.快速跟随型主从结构多电机同步控制[J].新型工业化，2017,7(10):32-38.WANG S W,GENG Q,ZHOU Z Q.Multi motor synchronous control with fast following master slave structure[J].The Journal of New Industrialization,2017,7(10):32-38(in Chinese）.
• [9]KOREN Y.Cross-coupled biaxial computer control for manufacturing systems[J].Journal of Dynamic Systems,Measurement,and Control,1980,102(4):265-272．
• [10]张靓，张鑫，鲁文儒.基于虚拟主轴的分数阶趋近律同步控制策略[J].电机与控制应用，2019,46(10):66-71.ZHANG J,ZHANG X,LU W R.Synchronous control strategy with fractional-order reaching law based on virtual principal axis[J].Electric Machines&Control Application,2019,46(10):66-71(in Chinese）.
• [11]耿强，王少炜，周湛清，等.改进型偏差耦合多电机转速同步控制[J].电工技术学报，2019,34(3):474-482.GENG Q,WANG S W,ZHOU Z Q,et al.Multi-motor speed synchronous control based on improved relative coupling structure[J].Transactions of China Electrotechnical Society,2019,34(3):474-482(in Chinese）.
• [12]MA C L,ZHANG X Y,YAN Y,et al.Predictive contour control for multi-axis motion system with unified model[C]//201922nd International Conference on Electrical Machines and Systems(ICEMS).Harbin:IEEE,2019:1-5.
• [13]刘宁，夏长亮，周湛清，等.基于比例增益补偿的永磁同步电机转速平滑控制[J].电工技术学报，2018,33(17):4007-4015.LIU N,XIA C L,ZHOU Z Q,et al.Smooth speed control for permanent magnet synchronous motor using proportional gain compensation[J].Transactions of China Electrotechnical Society,2018,33(17):4007-4015(in Chinese）.
• [14]李家祥，汪凤翔，柯栋梁，等.基于粒子群算法的永磁同步电机模型预测控制权重系数设计[J].电工技术学报，2021,36(1):50-59,76.LI J X,WANG F X,KE D L,et al.Weighting factors design of model predictive control for permanent magnet synchronous machine using particle swarm optimization[J].Transactions of China Electrotechnical Society,2021,36(1):50-59,76(in Chinese）.
• [15]刘佳敏，葛召炎，吴轩，等.基于占空比调制的永磁同步电机预测电流控制[J].中国电机工程学报，2020,40(10):3319-3328.LIU J M,GE Z Y,WU X,et al.Predictive current control of permanent magnet synchronous motor based on duty-cycle modulation[J].Proceedings of the CSEE,2020,40(10):3319-3328(in Chinese）.
• [16]HUANG Z F,WAN H,JIN F Z,et al.Research on adaptive syn-chronous control of dual motors based on neurons[C]//2020IEEE International Conference on Advances in Electrical Engineering and Computer Applications(AEECA).Dalian:IEEE,2020:17-20.
• [17]HE F,WANG C.Cross-coupling synchronous control of dualmotor networked motion control system[C]//2017 36th Chinese Control Conference(CCC).Dalian:IEEE,2017:7628-7633.
• [18]WANG C,ZHANG D,ZHUANG H,et al.Coordinated synchronization control of multi-motor system based on synergetic control theory[C]//2018 Chinese Control And Decision Conference(CCDC).Shenyang:IEEE,2018:160-164.