Multi-process route and layout joint optimization method for flexible workshop

The invention discloses a multi-process route and layout joint optimization method for a flexible workshop. The method comprises the following steps: S1, constructing a multi-process route and workshop layout joint optimization model; and S2, designing a multi-decision variable intelligent optimization algorithm to optimize and solve the model to obtain an optimal layout scheme and a process route. According to the multi-process route and workshop layout joint optimization model provided by the invention, the multi-process route is used as a variable to be embodied in the model, and meanwhile,a multi-decision variable intelligent decision algorithm is designed to solve process planning and workshop layout at the same time, so that the situation that optimization iteration is carried out on the basis of optimal solutions of other variables is prevented; the condition that the optimal total optimization target of the sub-problems in each stage is not optimal is avoided, and meanwhile, the diversity of the overa