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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Jing Shang,Hao Wang,Xueyuan Liu,Meng Zhao.Electromagnetism Principle of the Coarse-Exact Coupling Variable- Reluctance Resolver[J].Journal of Harbin Institute Of Technology(New Series),2017,24(6):38-44.DOI:10.11916/j.issn.1005-9113.16104.
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Electromagnetism Principle of the Coarse-Exact Coupling Variable- Reluctance Resolver
Author NameAffiliation
Jing Shang Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China 
Hao Wang Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China 
Xueyuan Liu Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China 
Meng Zhao Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China 
Abstract:
A new coupling axial flux variable-reluctance resolver is put forward on the basis of existing reluctance resolver. The coupling area of stator and rotor is calculated by using calculus method. The magnetic-motive force of four-phase signal windings is deduced under the case of different number of pole pairs.The theoretical derivation and finite element analysis of signal windings of precision machine are done when the number of teeth and pole pairs changes. Study on properties of the new resolver is conducive to further optimize, and it will be widely used in more and more fields.
Key words:  coupling  electromotive force  harmonic analysis
DOI:10.11916/j.issn.1005-9113.16104
Clc Number:TM383.2
Fund:
Descriptions in Chinese:
  

粗精耦合磁阻式旋变电磁机理研究

尚静,王昊,刘雪缘,赵猛

(哈尔滨工业大学 电子工程系,哈尔滨 150001)

创新点说明:

1)提出一种新型原理与结构粗精耦合共磁路磁阻式旋转变压器;该种旋变转子惯量小,适于快速响应伺服系统作为位置闭环传感器;

2)提出了集中式正弦分布绕组构成原则,该原则可以减少设计周期,提高设计精度;

3)基于三维有限元法对该种旋变的感应电势进行分析计算,并通过谐波分析进行优化设计。

研究目的:

为揭示该种旋变本质规律以及磁阻变化基本原理,并给出求解或优化设计该种旋变的方式和方法,同时针对提高精度给出一种绕组设计指导思想和高精度正弦绕组解决方案。

研究方法:

采用制作样机并进行零位误差、函数误差测试的实验方法,对该种旋变进行误差分析。采用高精度分度头、函数桥等高精度角度测试装置,对旋变精度进行测试。同时用Ansoft 磁场分析软件对该种结构旋变的三维磁场进行分析仿真计算,以验证解析计算的准确性。

结果:

(1)经过制造样机并进行实验验证,得到粗机和精机的零位误差和函数误差曲线,满足设计要求;

(2) 经过有限元仿真得到反电势曲线正弦性满足理论解析推导,并且粗机精机反电势完全解耦。证明了该种旋变基本原理的正确性。

结论:

(1)解析法推导揭示了该种旋变原理的正确性;

(2)通过有限元分析了解析推导的正确性;

(3)用实验方法进行零位误差等实验研究,验证了原理的正确性和旋变精度的可靠性。

关键词:粗精耦合;三维有限元分析;磁阻式旋变;正弦集中绕组

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