| 双定子动磁铁式直线振荡执行器的力特性分析 |
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| 引用本文： | 雷美珍,戴文战,夏永明,王立强. 双定子动磁铁式直线振荡执行器的力特性分析[J]. 传感技术学报, 2010, 23(11): 1570-1575. DOI: 10.3969/j.issn.1004-1699.2010.11.011 |
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| 作者姓名： | 雷美珍 戴文战 夏永明 王立强 |
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| 作者单位： | 浙江理工大学自动化研究所,杭州,310018;浙江大学电气工程学院,杭州,310027 |
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| 基金项目： | 国家863计划项目资助(2009AA04Z139) |
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| 摘 要： | 为研究双定子动磁铁式直线振荡执行器的力特性,在分析执行器结构及运行原理的基础上,首先建立执行器的等效磁路模型,推导出一种计算执行器电磁推力及气隙磁链的解析模型,该模型充分考虑了结构参数及永磁体材料对电磁推力的影响;然后采用三维有限元参数化分析方法对执行器的电磁推力进一步分析和计算。结果表明:该执行器的电磁推力与动子位移无关,与定子电流成正比;气隙磁链是定子电流和动子位移的线性函数。研究结果将为该类新型执行器的优化设计及驱动控制提供较好的理论依据。
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| 关 键 词： | 直线振荡执行器 数学模型 力特性 三维有限元 |
Study on Force Characteristic of Moving Magnet-iron Type Linear Oscillatory Actuator with Two Divided Stators |
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| LEI Meizhen,DAI Wenzhan,XIA Yongming,WANG Liqiang. Study on Force Characteristic of Moving Magnet-iron Type Linear Oscillatory Actuator with Two Divided Stators[J]. Journal of Transduction Technology, 2010, 23(11): 1570-1575. DOI: 10.3969/j.issn.1004-1699.2010.11.011 |
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| Authors: | LEI Meizhen DAI Wenzhan XIA Yongming WANG Liqiang |
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| Affiliation: | LEI Meizhen1,DAI Wenzhan1,XIA Yongming1,WANG Liqiang2 1.Institute of Automation,Zhejiang Sci-Tech University,Hangzhou 310018,China,2.College of Electrical Engineering,Zhejiang University,Hangzhou 310027 |
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| Abstract: | To study force characteristic of moving magnet-iron type linear oscillatory actuator with two divided stators,the equivalent magnetic circuit model of the actuator was established based on the analyzing of actuator's structure and motion principle.Considering the influence of the actuator structural parameters and permanent magnet(PM)material,the analytical expressions of electromagnetic force and air gap flux linkage were derived.The force characteristic of the actuator was further calculated and analyzed ... |
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| Keywords: | linear oscillatory actuator mathematical model force characteristic 3D finite element method |
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