This research adopts a discrete time non-homogeneous Markovian multi-state deteriorating model to describe the state transitions of a periodically inspected and maintained machine.

• 本研究针对具备立即监控技术的设备，采用离散时间异质马可夫式衰退模型来描述设备状态的变化，以：（一）上三角转移机率矩阵描述设备状态的衰退；