|本期目录/Table of Contents|

[1]陆骏,杨建国. 永磁同步电机滑模直接转速观测器[J].电机与控制学报,2018,22(01):86-92.[doi:10.15938/j.emc.2018.01.012]
 LU Jun,YANG Jian-guo. Direct sliding mode speed observer of permanentmagnetic synchronous motor[J].,2018,22(01):86-92.[doi:10.15938/j.emc.2018.01.012]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
22
期数:
2018年01
页码:
86-92
栏目:
出版日期:
2018-01-05

文章信息/Info

Title:
 Direct sliding mode speed observer of permanentmagnetic synchronous motor
作者:
 陆骏1 杨建国2
 ( 1. 中国电子科技集团公司第三十二研究所,上海 201808; 2. 东华大学 机械工程学院,上海 201620)
Author(s):
 LU Jun1 YANG Jian-guo2
 ( 1. The 32nd Research Institute of China Electronics Technology Group Corporation,Shanghai 201808,China;2. School of Mechanical Engineering,
Donghua University,Shanghai 201620,China)
关键词:
 永磁同步电机 无传感器 滑模变结构 转速观测 直接转矩控制
Keywords:
 permanent magnet synchronous motors sensorless sliding mode speed observer directtorque control
分类号:
TM 301. 2
DOI:
10.15938/j.emc.2018.01.012
文献标志码:
A
摘要:
 在传统的间接转速观测器中,位置观测值的微分环节、反电势观测值的低通滤波及相位补偿环节会降低转速观测精确度和动态响应速度。针对该问题提出了一种基于滑模的永磁同步电机直接转速观测器( DSMSO) 。通过永磁同步电机电流动态微分方程,建立滑模观测模型。根据李雅普诺夫稳定性原理,推导出观测器的收敛条件。在得出观测器参数的同时,推导出电机的转速估算公式。仿真和实验结果表明,提出的 DSMSO 与间接转速观测器相比,在低速和中高速稳态运行情况下转速稳态观测精确度分别提高了 40. 68% 和 50% ,同时变速阶段的转速动态观测精确度分别提高了 51. 67% 和 32. 61% ,误差收敛速度分别提高了 33. 33% 和 25% ,验证了 DSMSO 的可行性和有效性。
Abstract:
 Accuracy and dynamic response of conventional indirect speed observer is decreased due to po-sition differential,low pass filter and phase compensation for electromotive force ( EMF) . A direct slidingmode speed observer( DSMSO) of permanent magnet synchronous motor was presented to solve this prob-lem. Sliding mode observer was established by dynamic differential equation of motor current. Accordingto Lyapunov stability analysis,convergence condition of observer was derived. Observer parameters wereobtained while speed-estimating model was derived. Simulation and experimental results show that,com-pared with indirect speed observer,steady accuracy of DSMSO at low speed and middle-high speed is im-proved by 40. 68% and 50% ,respectively. Dynamic accuracy is increased by 51. 67% and 32. 61% re-spectively while convergence rate of observer error is increased by 33. 33% and 25% respectively duringacceleration and deceleration.

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备注/Memo

备注/Memo:
收稿日期: 2016 - 07 - 17
基金项目: 上海市“科技创新行动计划”项目( 16DZ0502200)
作者简介: 陆 骏( 1985—) ,男,博士,研究方向为电机无传感器控制;
杨建国( 1951—) ,男,博士,教授,博士生导师,研究方向为光机电一体化。
更新日期/Last Update: 2018-06-28