电工技术学报  2017, Vol. 32 Issue (8): 187-200    DOI:
电机电器 |
考虑端部效应的混合励磁直线涡流制动器解析模型
寇宝泉, 金银锡, 张鲁, 张赫, 张海林
哈尔滨工业大学电气工程及自动化学院 哈尔滨 150001
Analytical Model of Hybrid Excitation Linear Eddy Current Brake with Considering End Effects
Kou Baoquan, Jin Yinxi, Zhang Lu, Zhang He, Zhang Hailin
School of Electrical Engineering and Automation Harbin Institute of TechnologyHarbin 150001 China
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摘要 对于提出的串联磁路混合励磁直线涡流制动器结构方案,研究了端部效应对其特性的影响,并建立了解析模型。首先,详细介绍了串联磁路混合励磁直线涡流制动器的基本结构和工作原理。其次,根据等效磁路法和麦克斯韦方程组推导出了串联磁路混合励磁直线涡流制动器的二维解析模型。然后,采用解析法分析了纵向和横向端部效应对涡流制动器制动力特性的影响,并通过引入一些修正系数考虑了端部效应对制动力特性的影响,得到了改进的解析模型,即三维解析模型。最后,采用三维有限元法证明了三维解析模型的准确性。结果显示,三维解析模型可以准确地预测涡流制动器的制动力特性曲线。
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寇宝泉
金银锡
张鲁
张赫
张海林
关键词 涡流制动器混合励磁端部效应解析模型有限元法    
Abstract:In this paper, a series magnetic path hybrid excitation linear eddy current brake was presented. The influence of the end effects on the eddy current brake was studied. First, the structure and the working principles of the proposed brake were introduced. Second, its analytical model was derived using the equivalent magnetic circuit method and Maxwell equations. Then, the influence of the longitudinal and transverse end effects on the braking force characteristic was analyzed. The modified analytical model was obtained by introducing some correction factors. Finally, the modified analytical model was verified using the 3D finite element method. The results show that the modified analytical model can predict the braking force characteristic of the proposed brake accurately.
Key wordsEddy    current    brake,    hybrid    excitation,    end    effects,    analytical    model,    finite    element    method   
收稿日期: 2015-07-28      出版日期: 2017-05-02
PACS: TM359  
基金资助:国家科技重大专项资助项目(2012ZX04001-051)
作者简介: 寇宝泉 男,1968年生,教授,研究方向为特种电机及其驱动控制技术。E-mail: koubq@hit.edu.cn(通信作者);金银锡 男,1989年生,博士研究生,研究方向为新型电磁阻尼器及其优化设计。E-mail: jinyinxi2006@126.com
引用本文:   
寇宝泉, 金银锡, 张鲁, 张赫, 张海林. 考虑端部效应的混合励磁直线涡流制动器解析模型[J]. 电工技术学报, 2017, 32(8): 187-200. Kou Baoquan, Jin Yinxi, Zhang Lu, Zhang He, Zhang Hailin. Analytical Model of Hybrid Excitation Linear Eddy Current Brake with Considering End Effects. Transactions of China Electrotechnical Society, 2017, 32(8): 187-200.
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