基于新型指数趋近律的永磁同步电机滑模变结构控制  

Research on Sliding Mode Variable Structure Control of PMSM Based on Novel Index Reaching Law

作　　者：韦成杰[1] 吴昕[1] 

机构地区：[1]郑州铁路职业技术学院,郑州450046

出　　处：《科技通报》2016年第8期124-127,181,共5页Bulletin of Science and Technology

摘　　要：为了提高永磁同步电机调速控制系统整体性能,设计了一种新型指数趋近律,在传统的指数趋近律上引入了终端吸引子和系统状态量的幂函数,从而抑制了滑模固有抖振现象,并提高了滑模趋近速度;在该新型指数趋近律的基础上设计了永磁同步电机滑模速度控制器,并与传统指数趋近律进行了仿真试验比较,仿真结果表明,该新型指数趋近律能有效提高电机转速响应速度,有效抑制了抖振现象,提高了系统的鲁棒性。In order to improve the overall performance of speed control system of PMSM, this paperdesigned a novel index reaching law, terminal attractor and power function of system state quantity isintroduced in the traditional index reaching law, which suppresses natural chattering phenomenon ofsliding mode and improves reaching speed; Based on novel index reaching law this paper designed speedof sliding mode controller for permanent magnet synchronous motor and it compared with traditionalindex reaching law by simulation experiment. Simulation results show that novel index reaching law caneffectively improve response speed the motor, suppress the chattering phenomenon, improve therobustness of the system.

关 键 词：永磁同步电机 新型指数趋近律 控制器 鲁棒性 

分 类 号：TM351[电气工程—电机]