This paper considers an age replacement problem of a unit with 2 failure modes, in which it is replaced at any failure or age t//0, whichever occurs first. The optimum policy minimizing the s-expected cost rate is given by some modifications of the already-known results in a usual replacement problem.
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Aichi Inst Technol, Dept Business Adm, 1247 Yachigusa,Yakusa-cho, Toyota 4700392, JapanAichi Inst Technol, Dept Business Adm, 1247 Yachigusa,Yakusa-cho, Toyota 4700392, Japan
Nakagawa, Toshio
Zhao, Xufeng
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Aichi Inst Technol, Dept Business Adm, 1247 Yachigusa,Yakusa-cho, Toyota 4700392, JapanAichi Inst Technol, Dept Business Adm, 1247 Yachigusa,Yakusa-cho, Toyota 4700392, Japan
Zhao, Xufeng
Yun, Won Young
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Pusan Natl Univ, Dept Ind Engn, Kumjeong Ku, Busan 609735, South KoreaAichi Inst Technol, Dept Business Adm, 1247 Yachigusa,Yakusa-cho, Toyota 4700392, Japan