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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (3 ): 17-    DOI: 10.1631/jzus.2007.A0439
    
Discussion on dynamic reliability tolerance design technology of electromagnetic relay
YE Xue-rong, LIANG Hui-min, ZHAI Guo-fu
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
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Abstract  Reliability tolerance design of electromagnetic relay during its design period plays an essential role in guaranteeing the consistencies of reliability and output characteristic. The reliability tolerance design can ensure that the products would work well under the influence of disturbing factors (including internal interference, external interference, and machining dispersion). Compared with static characteristic, dynamic characteristic of electromagnetic relay can describe its operating process better. This article researches influence of the three kinds of disturbing factors on the dynamic characteristic of electromagnetic relay based on calculating dynamic characteristic. Then, the dynamic reliability tolerance design method of electromagnetic relay is discussed considering three kinds of disturbing factors. Conclusions reached can help to assure the reliability of electromagnetic relay from the beginning of design.

Key words： Electromagnetic relay      Tolerance design      Reliability      Dynamic characteristic     
Received: 19 December 2006     
CLC:  TM58  
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YE Xue-rong
LIANG Hui-min
ZHAI Guo-fu
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YE Xue-rong, LIANG Hui-min, ZHAI Guo-fu. Discussion on dynamic reliability tolerance design technology of electromagnetic relay. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(3 ): 17-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A0439     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I3 /17

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