基于扩张状态模型高阶滑模观测器的SPMSM无传感器控制  

SPMSM Sensorless Control Based on Extended State Model High-Order SMO

作　　者：吴胜男 安宁 WU Shengnan;AN Ning(School of Electrical Engineering,Shenyang University of Technology,Shenyang 110870,China)

机构地区：[1]沈阳工业大学电气工程学院,沈阳110870

出　　处：《微特电机》2024年第6期30-37,共8页Small & Special Electrical Machines

基　　金：国家自然科学基金项目(51907129)。

摘　　要：针对滑模观测器(SMO)在表贴式永磁同步电机(SPMSM)无传感器控制中存在固有抖振和不能有限时间收敛的问题,提出了高阶超螺旋非奇异快速终端滑模观测器(HOSTNFTSMO)。基于PMSM扩张状态模型提出了一种高阶超螺旋观测器(HOSTO)来实现抖振抑制。针对终端滑模面存在微分项会引入噪声的问题,设计了一个新的非奇异快速终端滑模面(NFTSMS),以实现状态变量的有限时间收敛。仿真结果表明,与传统SMO相比,研究的HOSTNFTSMO可以在不牺牲SMO鲁棒性的情况下获得较高的转子位置估计精度。To solve the problems of inherent chattering and non-finite-time convergence of sliding mode observer(SMO)in sensorless control of surface-mounted permanent magnet synchronous motor(SPMSM),this study proposes a high-order super-twisting nonsingular fast terminal SMO(HOSTNFTSMO).Based on the PMSM extended state model,a high-order super-twisting observer(HOSTO)is proposed to achieve chattering suppression.Secondly,to address the problem of noise introduced by the differential term in the terminal sliding mode surface,a new non-singular fast terminal sliding mode surface(NFTSMS)is designed to achieve finite-time convergence of state variables.Simulation results show that the HOSTNFTSMO studied in this paper can achieve high position estimation accuracy without sacrificing the robustness of its compared to the traditional SMO.

关 键 词：表贴式永磁同步电机 无传感器控制 高阶超螺旋观测器 扩张状态 滑模观测器 非奇异快速终端滑模面 

分 类 号：TM464[电气工程—电器]