Push force analysis of a cylinder linear motor

KONG Fan-rang; ZHAO Ji-wen; LIU Wei-lai; ZHANG Ping; HE Qing-bo

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Push force analysis of a cylinder linear motor

更新时间：2020-08-12

- Push force analysis of a cylinder linear motor
- Optics and Precision Engineering Vol. 12, Issue 5, Pages: 525-530(2004)
- 作者机构：
  
  中国科学技术大学, 精密机械与精密仪器系,安徽合肥,230027
- 作者简介：
- 基金信息：
- DOI：
  CLC： O241
- Received：08 July 2004，
  
  Revised：19 August 2004，
  
  Published Online：15 October 2004，
  
  Published：15 October 2004
- 稿件说明：
移动端阅览
孔凡让, 赵吉文, 刘维来, 张平, 何清波. 新型圆筒直线电机推力的解析与数值方法研究[J]. 光学精密工程, 2004,(5): 525-530

KONG Fan-rang, ZHAO Ji-wen, LIU Wei-lai, ZHANG Ping, HE Qing-bo. Push force analysis of a cylinder linear motor[J]. Editorial Office of Optics and Precision Engineering, 2004,(5): 525-530
孔凡让, 赵吉文, 刘维来, 张平, 何清波. 新型圆筒直线电机推力的解析与数值方法研究[J]. 光学精密工程, 2004,(5): 525-530 DOI：

KONG Fan-rang, ZHAO Ji-wen, LIU Wei-lai, ZHANG Ping, HE Qing-bo. Push force analysis of a cylinder linear motor[J]. Editorial Office of Optics and Precision Engineering, 2004,(5): 525-530 DOI：

摘要

提出了一种新型圆筒直线电机结构.建立了适合其结构特征的轴对称涡流解析方程

给出了方程的解析解.并采用变分方法建立了该轴对称场的有限元模型.数值分析结果表明:两种方法的计算结果一致

验证了解析模型的正确性和可行性.基于分析结果

经选取合适的电机参数

制作了样机

并测试了该电机启动推力变化情况.实验结果和计算结果相符

表明解析模型满足了新型圆筒直线电机的计算要求

同时也验证该方法的可靠性.结果还表明该电机满足了动感雕塑隐蔽驱动的要求.进一步还研究了电机气隙大小、次级厚度等主要结构参数对电机推力等性能的影响

结果显示:气隙增大

推力减小;次级厚度为10mm时

推力为198.51N

达到最大.

Abstract

The structure of a cylinder linear motor is presented. And the axial symmetric vortex analytical equation

which fits for its structure characters

is established and the solution is given. This axial symmetric FEM model is set up with the variation theory. Simulation results reveal that these two methods are consistent

and the analytical model is effective and efficient. Moreover

based on the analysis

a cylinder linear motor model was manufactured with appropriate structure parameters

and the change of the start pushing force measured. The test results and the calculations have the same tendency and approximate value. It proves that the analytical model meets the calculation of the cylinder linear motor. Therefore

it verifies the reliability of this method. Furthermore

the above research reveals that the cylinder linear motor meets the demand of driving the mobile sculpture shadily. The main structure parameters

such as the air gap

the thickness of the secondary end and those may affect the performances of the linear motor were also investigated. It is found that when the air gap increases

the pushing force decreases. When the thickness of the secondary is 10 mm

the pushing force reaches its maximal value of 198.5 N.

关键词

Keywords

references

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