| 基于半Markov决策过程的劣化系统检测与维修优化模型 |
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| 引用本文： | 程志君,郭波.基于半Markov决策过程的劣化系统检测与维修优化模型[J].自动化学报,2007,33(10):1101-1104. |
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| 作者姓名： | 程志君 郭波 |
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| 作者单位： | 1.国防科技大学信息系统与管理学院 长沙 410073 |
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| 摘 要： | 针对系统劣化阶段持续时间、检测间隔时间和维修时间都服从一般分布的情况, 提出了一类基于半马氏决策过程的劣化系统检测与维修优化模型. 利用位相型分布近似一般分布简化了求解过程, 并提出了相应的改进值迭代算法. 最后通过算例验证了模型与迭代算法的可行性.
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| 关 键 词： | 劣化系统 半马氏决策过程 位相型分布 检测与维修 |
| 收稿时间： | 2006-6-27 |
| 修稿时间： | 2006-06-27 |
Optimization of Inspection and Maintenance Policy for Deteriorating System with Semi-Markov Decision Process |
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| CHENG Zhi-Jun,GUO Bo.Optimization of Inspection and Maintenance Policy for Deteriorating System with Semi-Markov Decision Process[J].Acta Automatica Sinica,2007,33(10):1101-1104. |
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| Authors: | CHENG Zhi-Jun GUO Bo |
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| Affiliation: | 1.Institute of Information System and Management, National University of Defense Technology, Changsha 410073 |
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| Abstract: | The optimal model of inspection and maintenance for the deteriorating system is presented with the semi-Markov decision process.And the phase-type approach is proposed to preserve the analytical tractability of the transition probability matrix.To solve the problem that the PH distribution changes the state space of the system,the value iteration algorithm for the semi-Markov decision process is improved to get the optimal inspection and maintenance policy.Finally the numerical exam- ple is put forward to illustrate the implementation of the model and iteration algorithm. |
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| Keywords: | Deteriorating system semi-Markov decision process phase-type distribution inspection and maintenance |
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