A Study on Integration of Process Simulations for Virtual Manufacturing Systems

1)从物理现象和信息处理两个方面对制造活动中的过程进行了分析。研究了工艺仿真所需的信息、知识和算法。2)从功能、输入输出数据和与其他软件的接口等方面对制造工艺仿真软件进行了分析和评价。3)作为虚拟制造系统集成工艺仿真的基础规范，提出了一种面向虚拟制造系统的集成工艺仿真体系结构OSAViS。在OSAViS中，以一致的方式提供功能、I/O、通信、需求、过程控制、用户界面、应用接口和分布式处理。4)在购买的WS上按照OSAViS实现了原型系统，以评估所提出的体系结构。5)确定了单个过程仿真软件模块的功能和数据I/O，提出了虚拟制造系统中集成过程仿真的框架。6)通过分布式过程驱动的虚拟制造系统执行纳米制造过程，提出了所提出的体系结构、实现的原型、并对所提出的框架进行了评估，有望成为工业企业过程仿真实际集成的基础。

This research obtained the following results with respect to the integration of process simulation for virtual manufacturing systems.1) Processes contained in manufacturing activities were analyzed from the aspects of physical phenomena and information processing. Information, knowledge, and algorithms required for process simulation were also investigated.2) A number of software for manufacturing process simulations were listed up and evaluated from the aspects of functions, input/output data, and interface with other software.3) As the fundamental specification for integrated process simulation for virtual manufacturing systems, an architecture named OSAViS was proposed. In OSAViS,functions, I/O,communication, requirement, process control, user interface, application interdace, and distributed processing are provided in a consistent way.4) A prototype system was implemented in accordance with OSAViS on the purchased WS in order to estimate the proposed architecture.5) Functions and data I/O of software modules for individual process simulation were determined and a framework for integrated process simulation in virtual manufacturing systems was proposed.6) By executing nanufacturing processes by virtual manufacturing systems driven with distributed process, the proposed architecture, the implemented prototype, and the proposed framework were evaluated and they are expected to become the basis for practical integration of process simulation for industrial companies.