永磁同步电机高精度无位置滑模估算算法
The High-precision Position-free Sliding Mode Estimation Algorithm for Permanent Magnet Synchronous Motor
刘志芳 1蔡少权 1何海生 1罗志霄1
作者信息
- 1. 广东工程职业技术学院,广东 广州 510520
- 折叠
摘要
针对传统永磁同步电机(PMSM)的滑模估算算法困难及难于用数字化实现等缺点,文章提出一种新型的PMSM无位置滑模估算算法,通过AD模块采样电机的三相电流,经过Clark变换-Park变换-Clark逆变换,能适用任意PMSM的位置估算,同时对交流感应电机也同样适用.经验证改进后,该算法简单、通用性强、可靠性高,有效提升了系统精度,电机在全速段可以保持良好的估算性能,具有一定的经济和社会应用价值.
Abstract
Aiming at the shortcomings of the traditional permanent magnet synchronous motor(PMSM)such as difficulty in sliding mode estimation algorithm and digital implementation,a new position-free sliding mode estimation algorithm of PMSM is proposed.The three-phase current of the motor is sampled by the AD module,and through Clark transform-Park transform-Clark inverse transform,it can be applied to position estimation of any PMSM and also applicable to AC induction motors at the same time.After verification and improvement,the algorithm is simple,versatile and reliable,which effectively improves the precision of the system.The motor can maintain good estimation performance in the full speed range,and has certain economic and social application value.
关键词
永磁同步电机/无位置滑模/估算算法Key words
permanent magnet synchronous motor/position-free sliding mode/estimation algorithm引用本文复制引用
基金项目
广东工程职业技术学院2022年度校级科研项目(KYYB2022023)
出版年
2024
NETL
NSTL
万方数据