关键词: 船舶制造, 分段制造日程计划, 仿真, 优化, 虚拟制造

Abstract: To meet the demand of modern lean ship building mode and to draw up the ship block-building planning in practical production of shipyard, a simulation and optimization method based on virtual manufacturing technology was proposed. With this method, the simulation model was established according to current process and method of planning in domestic shipbuilding enterprises. In the simulation system and optimization model, the start date of each working procedure of ship blocks and locating of assembling fields were considered as optimization parameters, shipyard’s resources, production capacity and site conditions as constraints, and delay rates of total project, delay rated of project segments, utilization rate of assembly fields and average workload saturation as evaluation indexes to establish the evaluation model and optimization objective. Besides, the simulation and optimization of ship block-building planning was realized.To increase feasible domain of parameters and flexibility of scheduling, the virtual node “store date for planning adjusting” was added before the important procedure as optimization parameters so as to gurantee the feasibility of the ship block-building scheduling.

Key words: ship building, block-building scheduling, simulation, optimization, virtual manufacturing