Study of the industrial control network reliability comprehensive model

Industrial control network was a complex system which consisted of operating system, control software, failure diagnosis software, hardware and connecting device. In this paper, we studied how the typical industrial control network works and proposed a reliability comprehensive model. Based on the network device layer reliability model and topology layer reliability model, this model considered task demands, task profiles as well as human factors. This model was able to simulate the failure behavior and failure characteristics more realistically than ever. In the end, through a typical case we analyzed its specific application.