电力系统及其自动化学报2019，Vol.31Issue(10)：37-44,8.DOI:10.19635/j.cnki.csu-epsa.000289
PMSM精确反馈线性化的稳速控制
Constant-speed Control of PMSM Based on Precise Feedback Linearization
摘要
Abstract
To obtain a better constant-speed control performance,the decoupling model of a permanent magnet synchro-nous motor(PMSM)based on the input-output precision feedback linearization should be studied in depth. In this pa-per,the most widely used PMSM is taken as the research object,and the differential homeomorphic transformation and feedback linearization theory are applied to improve the nonlinear behavior of PMSM and its converters by properly pro-cessing the load torque. Then,on the basis of the decoupling model of PMSM based on the input-output precision feed-back linearization,the concept of orthogonal projection is adopted to design a linearization controller for the isomorphic mapping between the dq-axis phase-current and two control input variables in the whole range of load torque and rotat-ing speed,thus realizing the global decoupling of PMSM and its overall linearization control. Simulation and experimen-tal results showed that the proposed method can quickly track the load torque and maintain constant speeds,and it had advantages of small overshoot,small static error,strong robustness and high control accuracy. Therefore,it is suitable for engineering practices.关键词
永磁同步电机/反馈/线性化/全局解耦/控制器Key words
permanent magnet synchronous motor(PMSM)/feedback/linearization/global decoupling/controller分类
信息技术与安全科学引用本文复制引用
杨朝江,马家庆,谢玫秀..PMSM精确反馈线性化的稳速控制[J].电力系统及其自动化学报,2019,31(10):37-44,8.基金项目
国家自然科学基金资助项目(51867005 （）
61861007) （）
贵州省科技厅联合基金资助项目(黔科合LH字[2017]7229号)7224 （黔科合LH字[2017]7229号）
黔科合平台人才 （）
