The virtual prototype system of railway locomotives and vehicles provides a modeling and simulation environment for optimization of product design and production process.
铁路机车车辆虚拟样机系统为产品设计和生产过程的优化提供了集成的建模和仿真环境。
Through research on design reuse and Case-Based Reasoning, modeling method based on product development process model reuse is presented and described in detail.
通过对设计重用和基于实例推理机制的研究，提出了基于知识产品开发过程模型重用的建模方法，并对其进行了详细描述；
Considering the problem of assembly constraints evolution in the process of product assembly design, a method of assembly constraints modeling based on mating surface couples was presented.
针对产品装配设计中存在的装配约束演化问题，提出了基于配合面偶的装配约束建模方法。
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