在汽车生产环节进行数字建模、系统仿真与优化对提升汽车的生产质量和效率具有重要意义。为了解决目前汽车制造企业普遍存在的因数据链断裂而导致的资源配置效率低下等难题,以汽车涂装车身缓存区(painted body storage,PBS)为研究对象,...在汽车生产环节进行数字建模、系统仿真与优化对提升汽车的生产质量和效率具有重要意义。为了解决目前汽车制造企业普遍存在的因数据链断裂而导致的资源配置效率低下等难题,以汽车涂装车身缓存区(painted body storage,PBS)为研究对象,提出了一种新型的数字底座平台,来实现数据链整合和多源异构数据融合。同时,设计了一种针对PBS的车身调序策略,考虑了总装工艺对车序优化的约束,采用遗传算法获得了PBS出车序列,然后以逆序数对为参考指标,进行PBS车道排布。将基于数字底座的PBS系统应用于某汽车制造企业,应用效果验证了所提出方法和策略的有效性。研究结果为企业构建内部集成制造平台和设计具体车间单元提供了参考。展开更多
An intelligent manufacturing system is a composite intelligent system comprising humans,cyber systems,and physical systems with the aim of achieving specific manufacturing goals at an optimized level.This kind of inte...An intelligent manufacturing system is a composite intelligent system comprising humans,cyber systems,and physical systems with the aim of achieving specific manufacturing goals at an optimized level.This kind of intelligent system is called a human-cyber-physical system(HCPS).In terms of technology,HCPSs can both reveal technological principles and form the technological architecture for intelligent manufacturing.It can be concluded that the essence of intelligent manufacturing is to design,construct,and apply HCPSs in various cases and at different levels.With advances in information technology,intelligent manufacturing has passed through the stages of digital manufacturing and digital-networked manufacturing,and is evolving toward new-generation intelligent manufacturing(NGIM).NGIM is characterized by the in-depth integration of new-generation artificial intelligence(AI)technology(i.e.,enabling technology)with advanced manufacturing technology(i.e.,root technology);it is the core driving force of the new industrial revolution.In this study,the evolutionary footprint of intelligent manufacturing is reviewed from the perspective of HCPSs,and the implications,characteristics,technical frame,and key technologies of HCPSs for NGIM are then discussed in depth.Finally,an outlook of the major challenges of HCPSs for NGIM is proposed.展开更多
文摘在汽车生产环节进行数字建模、系统仿真与优化对提升汽车的生产质量和效率具有重要意义。为了解决目前汽车制造企业普遍存在的因数据链断裂而导致的资源配置效率低下等难题,以汽车涂装车身缓存区(painted body storage,PBS)为研究对象,提出了一种新型的数字底座平台,来实现数据链整合和多源异构数据融合。同时,设计了一种针对PBS的车身调序策略,考虑了总装工艺对车序优化的约束,采用遗传算法获得了PBS出车序列,然后以逆序数对为参考指标,进行PBS车道排布。将基于数字底座的PBS系统应用于某汽车制造企业,应用效果验证了所提出方法和策略的有效性。研究结果为企业构建内部集成制造平台和设计具体车间单元提供了参考。
文摘An intelligent manufacturing system is a composite intelligent system comprising humans,cyber systems,and physical systems with the aim of achieving specific manufacturing goals at an optimized level.This kind of intelligent system is called a human-cyber-physical system(HCPS).In terms of technology,HCPSs can both reveal technological principles and form the technological architecture for intelligent manufacturing.It can be concluded that the essence of intelligent manufacturing is to design,construct,and apply HCPSs in various cases and at different levels.With advances in information technology,intelligent manufacturing has passed through the stages of digital manufacturing and digital-networked manufacturing,and is evolving toward new-generation intelligent manufacturing(NGIM).NGIM is characterized by the in-depth integration of new-generation artificial intelligence(AI)technology(i.e.,enabling technology)with advanced manufacturing technology(i.e.,root technology);it is the core driving force of the new industrial revolution.In this study,the evolutionary footprint of intelligent manufacturing is reviewed from the perspective of HCPSs,and the implications,characteristics,technical frame,and key technologies of HCPSs for NGIM are then discussed in depth.Finally,an outlook of the major challenges of HCPSs for NGIM is proposed.
