| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2021: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
This research aims to propose an optimal dynamic maintenance policy based on online monitoring information related to system deterioration and other factors that may affect the system deterioration. Firstly, this research formulated the system deterioration affected by various factors using a stochastic process and constructed a decision-making model to optimize the condition-based maintenance policy. Using the proposed model, an optimal maintenance action that minimizes the total maintenance and operation cost can be determined in a short time. Furthermore, this research investigated the structural properties of optimal maintenance policies and obtained some sufficient conditions to establish a threshold-type policy. These results are helpful for dynamically determining an optimal maintenance policy.
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