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J4  2012, Vol. 46 Issue (2): 206-211    DOI: 10.3785/j.issn.1008-973X.2012.02.004
电气工程     
动磁式横向磁通直线振荡电机设计
于明湖, 张玉秋, 卢琴芬, 叶云岳
浙江大学 电气工程学院,浙江 杭州 310027
Design of moving-magnet transverse-flux linear oscillatory motor
YU Ming-hu, ZHANG Yu-qiu, LU Qin-fen, YE Yun-yue
College of Electrical Engineering, Zhejiang University, Hangzhou 310027,China
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摘要:

为了实现具有高可靠性的短行程高频往复运动,提出一种动磁式横向磁通直线振荡电机.该电机由单相电源驱动,铁芯叠装方式与普通旋转电机相同,具有结构简单紧凑,动子质量轻,加工难度小,力特性好等优点,适合用于人工心脏、泵、压缩机等领域.针对该电机运行特点,建立电机等效数学模型,推导电磁推力的计算公式与系统的谐振频率,采用三维有限元模型确定电机内外定子和永磁体的设计依据,提出测试方法,并测得样机的静态电磁推力与谐振频率特性.结果表明,电机在等效机械谐振点运行时获得较高的效率且推力与绕组电流成正比.

Abstract:

A novel moving-magnet transverse flux linear oscillatory motor was presented to achieve the high stability for the short reciprocating movement. This motor driven by single-phase power source has easily stacked stator iron similar to rotary motor and the characteristics of compact configuration, light weight of mover, simple manufacture process and high thrust force. It is suitable to be applied in artificial heart, compressor and pump. Based on erected equivalent mathematical model according to the operation principle, the formulas of electromagnetic thrust force and system harmonic frequency were deduced. The design criterions of outer stator, inner stator and permanent magnet were determined by 3D finite element model. By the proposed test method, the static thrust force and harmonic system frequency of prototype were measured. It is shown the motor can achieve high efficiency at the resonant frequency and the thrust force is proportional to current.

出版日期: 2012-03-20
:  TM 359.4  
基金资助:

教育部博士点基金资助项目(200803350051);国家自然科学基金资助项目(51077115);浙江省自然科学基金资助项目(R1110033).

通讯作者: 卢琴芬,女,副教授.     E-mail: luqinfen@yahoo.com.cn
作者简介: 于明湖(1982—),男,博士,从事直线电机及驱动等方向研究.Email:huhuyuminghu@163.com
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引用本文:

于明湖, 张玉秋, 卢琴芬, 叶云岳. 动磁式横向磁通直线振荡电机设计[J]. J4, 2012, 46(2): 206-211.

YU Ming-hu, ZHANG Yu-qiu, LU Qin-fen, YE Yun-yue. Design of moving-magnet transverse-flux linear oscillatory motor. J4, 2012, 46(2): 206-211.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.02.004        http://www.zjujournals.com/eng/CN/Y2012/V46/I2/206

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[1] 于明湖,卢琴芬,叶云岳,夏永明. 双定子直线振荡电机高效控制策略[J]. J4, 2011, 45(5): 799-803.
[2] 于明湖,卢琴芬,叶云岳,夏永明. 双定子直线振荡电机工作特性分析[J]. J4, 2010, 44(11): 2113-2117.
[3] 黄明星, 叶云岳, 刘壮. 内置永磁体双励磁直线同步电机的设计与优化[J]. J4, 2010, 44(3): 544-549.