Task maintainability evaluation of complex system based on simulation

In view of the problem that the randomness of maintenance time of functional units cannot be considered in traditional system maintainability evaluation, this paper firstly analyzes the general process of system task maintainability evaluation and determines the basic method of task maintainability evaluation. Then, aiming at the problem that it is difficult to solve the problem analytically when several functional units fail at the same time, a task maintainability evaluation algorithm based on simulation is proposed. Finally, an example is given to illustrate the effectiveness and practicability of the proposed method.