|本期目录/Table of Contents|

[1]王大方,李琪,张鹏,等.带有相电压补偿基于EKF 的无传感器感应电机转速估计[J].电机与控制学报,2019,23(01):35-44.[doi:10.15938/j.emc.2019.01.005]
 WANG Da-fang,LI Qi,ZHANG Peng,et al.Speed estimation method based on extended Kalman filter with phase voltage compensation for sensorless ACIM drives[J].,2019,23(01):35-44.[doi:10.15938/j.emc.2019.01.005]
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带有相电压补偿基于EKF 的无传感器感应电机转速估计
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
23
期数:
2019年01
页码:
35-44
栏目:
出版日期:
2019-01-15

文章信息/Info

Title:
Speed estimation method based on extended Kalman filter with phase voltage compensation for sensorless ACIM drives
作者:
 王大方1 李琪1 张鹏1 金毅2 杨博文1 廖江敏1
 ( 1. 哈尔滨工业大学( 威海) 汽车工程学院,山东威海264209; 2. 陆军装甲兵学院,北京100000)
Author(s):
 WANG Da-fang1 LI Qi1 ZHANG Peng1 JIN Yi2 YANG Bo-wen1 LIAO Jiang-min1
 ( 1. Harbin Institute of Technology( Weihai) ,Weihai 264209,China; 2. Academy of Armored Forces Engineering,Beijing 100000,China)
关键词:
感应电机 转速估计 扩展卡尔曼滤波 相电压补偿 电流极性判断
Keywords:
induction motors speed estimation extended kalman ficter phase voltage compensationcurrent polarity judgment
分类号:
TM 351
DOI:
10.15938/j.emc.2019.01.005
文献标志码:
A
摘要:
在VSI 系统中,由于死区时间、传递环节以及VSI 非线性特性使实际相电压与目标相电压产生误差而导致相电流的畸变,影响了基于扩展卡尔曼滤波转速估计方法的精度,从而提出带有相电压补偿的基于扩展卡尔曼滤波算法的无传感器感应电机转速估计方法。首先对相电压进行补
偿,通过简单硬件电路实时地对VSI 的输出进行反馈,得到精确的补偿电压幅值。同时,利用经过滤波的励磁电流分量、转矩电流分量对相电流进行重建,准确地对电流方向进行判断,得到相电压补偿极性; 再利用补偿后的相电压和相电流进行基于扩展卡尔曼滤波的转速估计。仿真和实验结果验证了带有相电压补偿的基于扩展卡尔曼滤波的转速估计结果比传统转速估计结果具有更高的精度。
Abstract:
 Insertion of dead time,transfer links between micro control unit and voltage source inverter ( VSI) ,non-ideal characteristics of VSI all lead to deviation between the actual output voltage and the command voltage,resulting in phase voltage deviation and reducing estimation accuracy. A speed estimation method based on EKF with phase voltage compensation was proposed. Precise compensation amplitude was calculated by actual output of the VSI as feedback with a simple hardware circuit and compensation
polarity was obtained from phase current polarity by reconstructing phase current from filtered current component under M-T coordinate. Thus phase voltage compensation was conducted and then phase voltage and current after compensation was utilized to estimate the rotor speed. Simulation and experimental results show that the proposed method has better estimation accuracy than the traditional one based on EKF.

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备注/Memo

备注/Memo:
收稿日期: 2017 - 01 - 03
基金项目: 国家自然科学基金( 51305457) ; 国家国际科技合作专项( 2014DFB70120) ; 威海市科技发展计划( 2014DXGJ02) ; 中央高校基本科研
业务费专项资金资助( HIT. NSRIF. 201705) ; 山东省自然科学基金( ZR2017MEE011)
作者简介: 王大方( 1978—) ,男,博士,教授,博士生导师,研究方向为新能源车辆与电驱动技术;
李琪( 1990—) ,男,硕士,研究方向为驱动电机控制技术;
张鹏( 1992—) ,男,硕士研究生,研究方向为驱动电机控制技术;
金毅( 1979—) ,男,讲师,研究方向为机器人控制系统设计;
杨博文( 1988—) ,男,硕士研究生,研究方向为驱动电机控制技术;
廖江敏( 1990—) ,女,硕士研究生,研究方向为驱动电机控制技术。
通信作者: 王大方
更新日期/Last Update: 2019-03-23