关键词: 城际铁路动车组, 修造合一, 拓扑关系, 优化模型, 车间调度问题

Abstract: In view of the resource waste problem of the intercity railway rolling stock’s manufacturing factory when dropping the production of new vehicles,the solution of sharing production equipment between the overhaul of the rolling stocks and the newly built process by using the scheduling optimization method was proposed.The new manufacturing and overhaul process was analyzed,and the facilities sharing methods was put forward.Based on the overhaul/manufacturing process topology and rolling stock Bill of Material (BOM),a kind of shop scheduling problem based on the topological constraint was proposed,and the construction method of overhaul/manufacturing integrated topological relationship was designed.To minimize the invalid fragment time of the vehicles overhaul/manufacturing process as the optimization objective,and take the integrated repair and construction scheduling topology and base equipment resources as constraints,the integrated shop scheduling problem scheduling optimization model was established.The ant colony system was used for iterative optimization to obtain the optimal scheduling sequence of the topology nodes,and the optimal scheduling sequence was transformed into the scheduling scheme.The model and algorithms were validated by an actual problem of the new construction and overhaul (Level 3) process.The computer manufacturing system of intercity railway rolling stock was designed and implemented based on the above methods,which had been applied to an intercity railway repair and construction base,and 7 China high-speed railway overhaul bases.

Key words: intercity railway rolling stock, integration of overhaul and manufacture, topological relationship, optimization model, job shop scheduling problem