Question: A grinding machine has a power law process (nonhomogeneous Poisson process) with b= 3.5 and a=2.75105hr. The cost of a scheduled maintenance is $20, and

A grinding machine has a power law process

A grinding machine has a power law process (nonhomogeneous Poisson process) with b= 3.5 and a=2.75105hr. The cost of a scheduled maintenance is $20, and the cost of an unscheduled repair is $80 (production must be halted, causing additional worker idle time). Find the least-cost preventive maintenance interval

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