电气传动2019，Vol.49Issue(10)：13-15,3.DOI:10.19457/j.1001-2095.dqcd18974
一种改进的PMSM滑模变结构控制策略研究
An Improved Strategy on Sliding Mode Variable Structure Method of PMSM
摘要
Abstract
Aiming at the problem of excessive chattering of permanent magnet synchronous motor(PMSM)with traditional sliding mode variable structure control,an improved sliding mode observer was studied to reduce chattering. On the basis of constructing a hyperbolic tangent function to replace the traditional switching function ,the speed and position signals of PMSM were calculated according to the motor back EMF. The improved sliding mode observer could effectively suppress the chattering problem of traditional sliding mode observer,reduce the influence of system disturbance on speed and rotor position estimation. Compared with traditional sliding mode observer,the dynamic performance and accuracy were improved. Finally,an experimental platform of TMS320F2812 was built to verify the correctness and feasibility of the algorithm.关键词
滑模观测器/永磁同步电机/无位置传感器/双曲正切函数Key words
sliding mode observer(SMO)/permanent magnet synchronous motor(PMSM)/position-sensorless/hgyperbolic tangent function分类
信息技术与安全科学引用本文复制引用
张海刚,胡添添,王步来,万衡,徐兵,张东民..一种改进的PMSM滑模变结构控制策略研究[J].电气传动,2019,49(10):13-15,3.基金项目
上海市科委地方院校能力建设项目(17090503500) （17090503500）
上海市联盟计划项目(LM201820) （LM201820）
