一种鲁棒性的永磁同步电机单电流传感器相电流重构方法

微特电机 ›› 2022, Vol. 50 ›› Issue (10): 9-14.

一种鲁棒性的永磁同步电机单电流传感器相电流重构方法

欧阳湘军¹, 赵明威², 谭平¹, 黄胜平¹, 张硕²

1.中国兵器工业集团江麓机电集团有限公司,湘潭 411100;
2.北京理工大学机械与车辆学院,北京 100081

收稿日期:2022-06-27 出版日期:2022-10-28 发布日期:2022-10-25
作者简介:欧阳湘军(1976—),男,工程硕士,研究员级高级工程师,研究方向为永磁同步电机电流预测控制、电流传感器故障容错控制。赵明威(1995—),男,博士研究生,研究方向为永磁同步电机电流预测控制,永磁同步电机电流传感器故障容错控制。谭平(1985—),女,高级工程师,主要研究方向为永磁同步电机、多电机驱动系统和混合动力系统的建模与控制。黄胜平(1982—),男,工程硕士,研究员级高级工程师,主要研究方向为永磁同步电机、多电机驱动系统和混合动力系统的建模与控制。张硕(1987—),男,工学博士,副研究员,主要研究方向为永磁同步电机、多电机驱动系统和混合动力系统的建模与控制。
基金资助:
国家自然科学基金项目 (52005037)

Robust Phase Current Reconstruction Method for Permanent Magnet Synchronous Motor Single Current Sensor

OUYANG Xiangjun¹, ZHAO Mingwei², TAN Ping¹, HUANG Shengping¹, ZHANG Shuo²

1. China Ordnance Industry Group Jianglu Electromechanical Group Co., Ltd.,Xiangtan 411100, China;
2. School of Mechanical Engineering, Beijing Institute of Technology,Beijing 100081, China

Received:2022-06-27 Online:2022-10-28 Published:2022-10-25

摘要/Abstract

摘要： 针对单电流传感器控制方法依赖电机参数的问题,提出了一种鲁棒性的永磁同步电机单电流传感器相电流重构方法。根据电机数学模型建立电机电流扩张状态观测器,推导出扩张状态量之间的关系,可以在电机参数失配的情况下实现三相电流重构。仿真结果表明,参数失配时,重构电流与实际电流之间的误差较小,将重构电流作为反馈电流进行永磁同步电机电流预测控制,对电机转速、转矩、电流有较好的控制效果。

关键词: 永磁同步电机, 单电流传感器, 相电流重构, 扩张状态观测器

Abstract: In order to solve the problem that the existing single current sensor control dependents on motor parameters, a robust phase current reconstruction method for permanent magnet synchronous motor drives was proposed. According to the mathematical model of the motor, the current extended state observer was established, and the relationship between the extended state quantities was derived. The three-phase current could be reconstruction under parameter mismatch. The simulation results showed that when the parameters were mismatched, the error between the reconstructed current and the actual current was very small. The reconstructed current was used as the feedback current for permanent magnet synchronous motor deadbeat current predictive control, and the control effect of speed, torque, current was good.

Key words: permanent magnet synchronous motor(PMSM), single current sensor, phase current reconstruction, extended state observer (ESO)

中图分类号:

TM351

欧阳湘军, 赵明威, 谭平, 黄胜平, 张硕. 一种鲁棒性的永磁同步电机单电流传感器相电流重构方法[J]. 微特电机, 2022, 50(10): 9-14.

OUYANG Xiangjun, ZHAO Mingwei, TAN Ping, HUANG Shengping, ZHANG Shuo. Robust Phase Current Reconstruction Method for Permanent Magnet Synchronous Motor Single Current Sensor[J]. Small & Special Electrical Machines, 2022, 50(10): 9-14.

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