Detent Force Reduction of an Arc-Linear Permanent-Magnet Synchronous Motor by Using Compensation Windings

被引：83
作者：
Li, Bin [1 ]
Zhao, Jing [1 ]
Liu, Xiangdong [1 ]
Guo, Youguang, Sr. [2 ]
Hu, Hengzai [1 ]
Li, Jian [1 ]
机构：
[1] Beijing Inst Technol, Sch Automat, Beijing 100081, Peoples R China
[2] Univ Technol Sydney, Sch Elect Mech & Mech Syst, Sydney, NSW 2007, Australia
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2017年 / 64卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Arc-structure; compensation winding; detent force; permanent-magnet linear synchronous motor (PMLSM); travel range; COGGING TORQUE; DESIGN; MACHINES; MINIMIZATION; PERFORMANCE; PMLSM; SHAPE;
D O I：
10.1109/TIE.2016.2643619
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An arc-linear permanent-magnet synchronous machine (AL-PMSM) is a kind of servo machine used for a scanning system to meet the requirements of high positioning accuracy, high response performance, and wide scanning range. To reduce the detent force and increase the travel range of the AL-PMSM, a novel hybrid excited ALPMSM with a normal armature winding and compensation windings is proposed and investigated. The compensation windings are installed on the end teeth of the primary side. The influence of a compensation direct current is analyzed by a finite element method (FEM). Based on the result of the analysis, a proper compensation current is proposed to reduce the detent force. The result after the compensation is simulated by the FEM. In addition, a combination of primary length optimization and current compensation is proposed, the proper formula for the compensation current is deduced, and the result calculated by the FEM is provided. To reduce the detent force of the travel end, a proper current is supplied into the compensation winding, the detent force during the both end of the travel range is much reduced, so the smooth travel range is increased. Finally, prototypes of AL-PMSM are manufactured and experiments are conducted to validate the proposed compensation method.
引用
收藏
页码：3001 / 3011
页数：11
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