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基于随机Ｐｅｔｒｉ网，提出了一种较为简单的计算冗余可修系统稳态可用度的方法．该方法由于利用了随机Ｐｅｔｒｉ网作工具来分析系统状态之间的转移过程，从而使过程清晰明了，鉴于Ｐｅｔｒｉ网模型，利用Ｍａｒｋｏｖ理论可方便地得到状态概率矩阵方程
Based on Stochastic Petri Net, a simple method to calculate the steady state availability of redundant repairable systems is proposed. Due to the use of stochastic Petri nets as a tool to analyze the transfer process between system states, this method makes the process clear and clear. In view of the Petri net model, Markov theory can be used to easily obtain the state probability matrix equation