Transactions of China Electrotechnical Society  2016, Vol. 31 Issue (8): 102-108    DOI:
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Analysis and Evaluation of Dynamic Response Lot Uncertainty of AC Contactor Based on Coefficient of Variance and Fuzzy Comprehensive Theory
Su Xiuping1, Yang Yijun2, Li Junfeng1, Gao Guanwang1, Kang Jianwei3
1. Province-Ministry Joint Key Lab of Electromagnetic Field and Electrical Apparatus Reliability Hebei University of Technology Tianjin 300130 China;
2. School of Information & Electrical Engineering Hebei University of Engineering Handan 056038 China;
3. Norendar International Ltd Shi Jiazhuang 050011 China

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Abstract  The reasons and main types of uncertainty in the dynamic response of contactor were discussed in this paper. The lot uncertainty was proposed to evaluate the internal of the confidential overall products by using K-S small sample test, based on the uncertainty indicator of each single test product applying the fuzzy hierarchy comprehensive theory. The lot uncertainty point estimation value of 9 test products is 4.81, and the confidence interval is (3.846,5.894) under the confidence level 95%. The lot uncertainty indicator is practical for choosing the best electrical products.
Key wordsDynamic response      lot uncertainty      fuzzy comprehensive evaluation      confidence interval      K-S small sample test     
Received: 08 April 2014      Published: 28 April 2016
PACS: TM572.2  
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Su Xiuping
Yang Yijun
Li Junfeng
Gao Guanwang
Kang Jianwei
Cite this article:   
Su Xiuping,Yang Yijun,Li Junfeng等. Analysis and Evaluation of Dynamic Response Lot Uncertainty of AC Contactor Based on Coefficient of Variance and Fuzzy Comprehensive Theory[J]. Transactions of China Electrotechnical Society, 2016, 31(8): 102-108.
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https://dgjsxb.ces-transaction.com/EN/     OR     https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I8/102
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