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面向锻造操作机系统的设计与仿真支撑平台 被引量:1

Design and Simulation Supportive Platform for Forging Manipulator System
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摘要 锻造操作机系统是机电液一体化复杂系统,计算机设计与仿真技术是此类复杂产品研发的核心技术。针对操作机的特点,提出一种面向操作机系统的设计与仿真平台,详细阐述该平台的体系结构、协同设计子系统和协同仿真子系统的功能结构。在协同设计中,采用分区分层的组织模式和对设计中的关系进行分类定义和管理的方法,解决耦合复杂性问题。在协同仿真中,针对异构仿真模型与高层体系架构(High level architecture,HLA)的不兼容问题,提出基于HLA代理模型的适配器封装和转换技术,提高模型的重用度;在操作机锻压过程仿真耗时问题方面,提出基于案例推理的智能模型,提高仿真效率;以操作机锻压过程为例开展协同仿真试验,展示了协同仿真的逼真度和仿真平台的有效性。该平台有助于锻造操作机系统虚拟样机的构建,为操作机的快速设计、降低成本以及特性分析等提供有力的支持。 The forging manipulator is a system with hydro-electromechanical integration. Computer design and simulation technology play a core role in the development of such complex product. The research is focused on design and simulation platform for forging manipulator system. The functional structures of collaborative design subsystem and collaborative simulation subsystem are elaborated. During the collaborative designing,in order to tackle the complex coupling problem,the design team is organized by partition and different levels and meanwhile the relationship in design is defined and managed according to classification. During the collaborative simulation,due to the heterogeneous simulators incompatible with high level architecture(HLA) standard,the adaptor mechanism based on HLA agent model is proposed to improve the reusability of models. To resolve the time-consuming problem of forging process simulation,the intelligent model of case-based reasoning is proposed to improve the efficiency. A simulation experiment for forging process is conducted to demonstrate the high fidelity of collaborative simulation and the validity of our simulation platform. The support platform is helpful to constructing the virtual prototype of forging manipulator and is supportive for fast design,cost reduction and characteristic analysis.
出处 《机械工程学报》 EI CAS CSCD 北大核心 2010年第11期76-82,共7页 Journal of Mechanical Engineering
基金 国家重点基础研究发展计划资助项目(973计划 2006CB705407)
关键词 锻造操作机 协同设计 协同仿真 高层体系架构 Forging manipulator Collaborative design Collaborative simulation High level architecture
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