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題名 | 兩元件待命備份隨機開啟時間系統可靠度分析= |
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作者 | 薄喬萍; |
期刊 | 技術學刊 |
出版日期 | 19930300 |
卷期 | 8:1 1993.03[民82.03] |
頁次 | 頁51-56 |
分類號 | 440.11 |
語文 | chi |
關鍵詞 | 兩元件待命備份; 隨機開啟; 時間系統; 可靠度分析; |
中文摘要 | 假使兩元件待命備份系統,此二元件不必相關,該開啟設備之開啟時間為一隨機變數,元件之修復時間,元件壽命不僅局限於服從指數分配,對於此種非常近於實際狀況之系統,討論此系統在各種時間T之可靠度及系統期望壽命,並討論在有限成本條件下,如何分配增額投資,可使系統期望壽命之提高極大化。 為了確定各元件的增額投資,必定使得整個系統期望壽命不致下降,本文導出二個推論,一個定理。當以最大增額投資的比率投資,作為改善元件品質,其壽命之增加函數非下降函數時,在有限成本條件下,經由推論,可以獲得投資之最佳解。 |
英文摘要 | A two-dissimilar unit cold standby redundant system with random switching time and perfect switchover is considered. In addition, The unit repair time and life time are not restricted to exponential distributions. We discuss the system's reliability at time T and the system expected life in the case that investing the additional cost to maximize the promoted reliability of the system. In this paper, we have developed two propositions and one theorem to make sure the whenever additional investment on some units occurred will never reduce the system's expected life. When the life increasing function is a nondecreasing function of the additional investment ratio of a given component, and under the limited investéd condition, according to our propositions, could be obtained the optimal solutions for the system investment. |
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