基于均匀试验设计的航天电磁继电器触点滑移长度优化

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Abstract Space electromagnetic relay has been widely used in aerospace and weapon equipment fields. The slip of the relay contact can remove the oxide film on the contact surface and separate the arcing point from operation point. So, the study on contact slip length will help to improve the reliability of the contact and the lifespan of the space relay. In this paper, the variable calculation equations of tangential angle and contact angle are established based on structural modeling of the reed and the contact. Through establishing the flexibility and the assembly dimension chain equations of contact system, the contact slip length is determined. Taking the contact structural parameters as variables, multiple linear regression model of the contact slip length is established by uniform design method, and the optimal structural parameters are also decided.

Key words： Space electromagnetic relay slip length structure parameter uniform design

Received: 24 July 2008 Published: 17 February 2014

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	Zhai Guofu
	Fan Weiwei
	Liang Huimin

Cite this article:

Zhai Guofu,Fan Weiwei,Liang Huimin. An Optimization Method for the Contact Slip Length of Space Electromagnetic Relay Based on Uniform Experimental Design[J]. Transactions of China Electrotechnical Society, 2009, 24(10): 59-64.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2009/V24/I10/59

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