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Kebijakan Penggantian Berdasarkan Oportunitas untuk Sistem yang Siklus Hidupnya Pendek
Wigati, Slamet Setio
Iskandar, Bermawi P.
Article from Journal - ilmiah nasional
Jurnal Teknologi Industri vol. 6 no. 4 (Oct. 2002)
Perpustakaan Pusat (Semanggi)
1 (dapat dipinjam: 0)
Lihat Detail Induk
The life cycle of the system, which its technology develops fast, tends to be short. This research studies replecement policy based on opportunity for short life cycle system. the opportunity comes randomly and it is modeled as a homogeneous Poisson process with parameter .Z. System failure during and after warranty period is restored by minimal repair. The system is preventively replaced (1) at S if opportunity occurs in t _ S or (2) a: t if opportunity occurs in t > S. During the time between the occurrence of opportunity and the time instan of replacement, the user may incur panalty cost due to the delay of replacement. Decision variable for this policy is S, which describes a minimal operating time of existing system. Optimal value of S (S*) is attained by minimizing expected cost per replacement period. The conditions of S*, which is finite and unique are given. Finally some numerical results are also presented to illustrating optimal conditIon.
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