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CLC number: TB114.3; O224; O211.6
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Received: 2006-12-19
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Inspection-replacement policy of system under predictive maintenance
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LIU Bao-you, FANG You-tong, WEI Jin-xiang, WANG Yong-liang. Inspection-replacement policy of system under predictive maintenance[J]. Journal of Zhejiang University Science A, 2007, 8(3): 495-500.
@article{title="Inspection-replacement policy of system under predictive maintenance",
author="LIU Bao-you, FANG You-tong, WEI Jin-xiang, WANG Yong-liang",
journal="Journal of Zhejiang University Science A",
volume="8",
number="3",
pages="495-500",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A0495"
}
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%A LIU Bao-you
%A FANG You-tong
%A WEI Jin-xiang
%A WANG Yong-liang
%J Journal of Zhejiang University SCIENCE A
%V 8
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%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A0495
TY - JOUR
T1 - Inspection-replacement policy of system under predictive maintenance
A1 - LIU Bao-you
A1 - FANG You-tong
A1 - WEI Jin-xiang
A1 - WANG Yong-liang
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 3
SP - 495
EP - 500
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A0495
Abstract: In general, every system is in one of the three states: normal, abnormal, or failure state. When the system is diagnosed as abnormal state, it needs predictive maintenance. If the system fails, an identical new one will replace it. The predictive maintenance cannot make the system “as good as new”. Under these assumptions, the reliability index and the inspection-replacement policy of a system were studied. The explicit expression of the reliability index and the average income rate (i.e., the long-run average income per unit time) are derived by using probability analysis and vector Markov process method. The criterion of feasibility for the optimal inspection-replacement policy under the maximum average income rate is obtained. The numerical example shows the optimal inspection-replacement policy can raise the average income rate when the optimal inspection-replacement policy is feasible.
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