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改進(jìn)TOPSIS法的裝備可靠性評估方法
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(中國人民解放軍93868部隊,銀川 750025)

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史金朋(1986-),男,河北廣平人,技師,主要從事裝備評估方向的研究。[FQ)]

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A Reliability Evaluation Method of Equipment on Improved TOPSIS
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(No.93868 Unit of PLA, Yinchuan 750025, China)

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    摘要:

    裝備的可靠性是完成遂行任務(wù)必備條件,對裝備可靠性進(jìn)行評估可為任務(wù)決策提供理論支持;目前關(guān)于裝備可靠性評估方面的研究大多數都是基于概率統計學(xué)的,而概率統計的準確性受限于樣本的大小,從而使得基于概率統計學(xué)的裝備可靠性評估因裝備樣本的大小而產(chǎn)生不可避免的或大或小誤差;為解決這一評估受樣本大小制約的問(wèn)題,引入逼近理想點(diǎn)(TOPSIS)法;同時(shí),針對TOPSIS法受主觀(guān)因素影響較大的問(wèn)題,修定了該法評估指標權重及理想解的確定方法,并在評估結果中引入了“合格分數線(xiàn)”的概念,使得評估結果等級劃分有了量化依據,從而體現出了客觀(guān)性和科學(xué)性,然后構建了某裝備基于該改進(jìn)TOPSIS法的可靠性評估模型;最后,通過(guò)示例分析,利用MATLAB計算驗證了本文方法的正確性,評估結果可為裝備的使用者或指揮者提供決策依據。

    Abstract:

    The reliability of equipment was necessary to carry out the task conditions, equipment evaluation could provide theoretical support for the decision task.Most reliability research of equipment evaluation was on probability statistics, however, the accuracy of probability and statistics was limited by the size of the sample, so that the reliability evaluation based on probability and statistics was inevitable which was either largly or smally. In order to solve the problem that the evaluation was restricted by sample size, the method of TOPSIS was introduced. At the same time, aiming at the problem that TOPSIS method was influenced by subjective factors, the ascertained method of evaluation index weight and ideal answers on the TOPSIS were improved, and the evaluation model of equipment reliability based on this improved TOPSIS was build.This paper get rid of the restraint of sample capacity,and also the concept “qualified point line” was introduced into the evaluation result, so that the classification of the evaluation results had a quantitative basis, which reflected the objectivity and scientific. Lastly, the method on this paper was checked to be correct by the example and MATLAB,The evaluation results could provide the decision basis for the user or the commander of the equipment.

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引用本文

史金朋.改進(jìn)TOPSIS法的裝備可靠性評估方法計算機測量與控制[J].,2017,25(8):300-303.

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  • 收稿日期:2017-04-18
  • 最后修改日期:2017-05-09
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  • 在線(xiàn)發(fā)布日期: 2017-09-08
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