永磁同步电机无磁链电流预测控制

微特电机 ›› 2020, Vol. 48 ›› Issue (4): 46-49.

永磁同步电机无磁链电流预测控制

吴嘉欣^{1, 2}, 张懿¹, 魏海峰¹, 田会峰¹, 丁桃宝²

1.江苏科技大学电子信息学院,镇江 212003;
2. 苏州晋宇达实业股份有限公司,张家港 215000

收稿日期:2019-04-11 出版日期:2020-04-28 发布日期:2020-04-24
作者简介:吴嘉欣(1994--),女,硕士研究生,研究方向为伺服驱动系统研究.
基金资助:
国家自然科学基金项目(51809128); 江苏省省重点研发计划产业前瞻与共性关键技术重点项目(BE2018007); 江苏省研究生科研与实践创新计划项目资助

Flux-Free Current Predictive Control of Permanent Magnet Synchronous Motor

WU Jia-xin^{1, 2}, ZHANG Yi¹, WEI Hai-feng¹, TIAN Hui-feng¹, DING Tao-bao²

1.School of Electronics and Information, Jiangsu University of Science and Technology,Zhenjiang 212003,China;
2. Suzhou JYD Industrial Co.,Ltd., Zhangjiagang 215000, China

Received:2019-04-11 Online:2020-04-28 Published:2020-04-24

摘要/Abstract

摘要： 针对永磁同步电机PWM电流预测控制对电机模型参数的依赖性问题,研究了基于增量式模型的永磁同步电机无磁链电流预测控制方法.对传统PWM电流预测控制的稳定性以及参数摄动造成的电流静差进行了理论分析,表明参数摄动会对系统稳定性造成影响,造成电流控制静差.建立基于增量式状态方程的永磁同步电机模型,基于该模型设计无磁链电流预测控制器,保证控制器能够在无磁链参数参与的情况下运行,增强系统对磁链参数摄动的鲁棒性.选择适当的评价函数获取最优控制电压增量数学表达式.实验结果验证了新型控制策略的可行性.

关键词: 永磁同步电机, 电流预测控制, 增量式模型, 参数摄动

Abstract: Aiming at the dependence of traditional PWM current predictive control of permanent magnet synchronous motor (PMSM) on the parameters of motor model, an incremental model based PMSM flux-free current predictive control method was proposed. The stability of traditional PWM current predictive control and the current static error caused by parameters perturbation were analyzed, which showed that the parameters perturbation will affect the stability of the system and cause the current control static error. PMSM model based on incremental state equation was established. Based on this model, a flux-free current predictive controller was designed to ensure that the controller can operate without the participation of flux parameter and enhance the robustness of the system to the flux parameter perturbation. An appropriate evaluation function was selected to obtain the mathematical expression of the optimal control voltage increment. The experiment results verified the feasibility of the proposed control strategy.

Key words: permanent magnet synchronous motor, current predictive control, incremental model, parameters perturbation

中图分类号:

TM351

吴嘉欣, 张懿, 魏海峰, 田会峰, 丁桃宝. 永磁同步电机无磁链电流预测控制[J]. 微特电机, 2020, 48(4): 46-49.

WU Jia-xin, ZHANG Yi, WEI Hai-feng, TIAN Hui-feng, DING Tao-bao. Flux-Free Current Predictive Control of Permanent Magnet Synchronous Motor[J]. Small & Special Electrical Machines, 2020, 48(4): 46-49.

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