基于新型指数趋近律的PMSM滑模控制研究  

Study on PMSM sliding mode control based on novel exponential reaching law

作　　者：陈德海 曹永康 邵恒 杨程 邱福亮 CHEN Dehai;CAO Yongkang;SHAO Heng;YANG Cheng;QIU Fuliang(College of Electrical Engineering and Automation,Jiangxi University of Science and Technology,Ganzhou 341000,China)

机构地区：[1]江西理工大学电气工程与自动化学院,江西赣州341000

出　　处：《传感器与微系统》2023年第10期32-35,共4页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61763015)。

摘　　要：针对应用传统指数趋近律的永磁同步电机(PMSM)调速系统存在的超调过大、抖振大、鲁棒性差等问题,通过对传统趋近律进行改进,得到一种新的指数趋近律。在等速项中引入了涵盖对数项的分数多项式,并由此设计了相应的滑模速度控制器。对系统进行仿真建模,并与传统指数趋近律控制和PI控制进行比较。仿真图像显示:运用改进指数趋近律的滑模速度控制器有效地提高了PMSM调速系统的响应速度,削弱了抖振,提高了稳定性。Aiming at problems such as excessive overshoot,severe buffeting and poor robustness that exist in speed regulation system of permanent magnet synchronous motor(PMSM)using traditional exponential reaching law,a new exponential reaching law is obtained by improving traditional reaching law.A fractional polynomial covering logarithmic term is introduced into the constant speed term,and the corresponding sliding mode speed controller is designed.Conduct simulation and modeling for the system and compared with the traditional exponential reaching law control and PI control,the simulation image shows that the sliding mode speed controller with improved exponential reaching law can effectively improve the response speed,weaken the buffeting and improve the stability of PMSM speed regulation system.

关 键 词：新型指数趋近律 永磁同步电机 滑模速度控制器 抖振 

分 类 号：TM351[电气工程—电机]