Discrete manufacturing workshops are confronted with problems of processing diverse products and strict real time requirements for data service calculation and manufacturing equipment,which makes it difficult to provi...Discrete manufacturing workshops are confronted with problems of processing diverse products and strict real time requirements for data service calculation and manufacturing equipment,which makes it difficult to provide real time feedback and compensation.In this study,a high-availability,high-performance,and high-concurrency digital twin reference model was constructed to satisfy a large number of manufacturing requirements.A multiterminal real-time interaction model and information aging classification rules for virtual and physical models were established.Moreover,a multiterminal virtual interaction model was proposed,and a generalized distributed computing service digital twinning system was developed.This digital twin system was considered a machine tool box processing line as an actual case.Consequently,a full closed-loop manufacturing process digital twin platform for physical request service,real-time response,and quality information feedback from iterations,which provides case guidance for subsequent factory digital twin systems,was realized.The proposed system can satisfy the requirements of multidevice big data computing services in modern manufacturing plants,as well as multiplatform,low-latency,and high-fidelity information visualization requirements for managers.Thus,this system is expected to play an important role in information factories.展开更多
基于视觉的电敏保护设备(vision based ESPE)广泛应用于机械装备安全防护领域,为明确其自身功能与外界环境的要求,本文基于IEC 61496系列标准对采用视觉保护装置的电敏保护设备的验证试验进行了解读分析,主要包括型式试验、功能试验、...基于视觉的电敏保护设备(vision based ESPE)广泛应用于机械装备安全防护领域,为明确其自身功能与外界环境的要求,本文基于IEC 61496系列标准对采用视觉保护装置的电敏保护设备的验证试验进行了解读分析,主要包括型式试验、功能试验、环境试验等方面。得到了基于视觉的电敏保护设备试验验证的具体要求,为其生产与制造提供了建议与参考。展开更多
基金Project(51975019)supported by the National Natural Science Foundation of ChinaProject(2019 ZX 04024001)supported by the National Science and Technology Major Project of ChinaProject(Z 201100006720008)supported by the Beijing Science and Technology Plan,China。
文摘Discrete manufacturing workshops are confronted with problems of processing diverse products and strict real time requirements for data service calculation and manufacturing equipment,which makes it difficult to provide real time feedback and compensation.In this study,a high-availability,high-performance,and high-concurrency digital twin reference model was constructed to satisfy a large number of manufacturing requirements.A multiterminal real-time interaction model and information aging classification rules for virtual and physical models were established.Moreover,a multiterminal virtual interaction model was proposed,and a generalized distributed computing service digital twinning system was developed.This digital twin system was considered a machine tool box processing line as an actual case.Consequently,a full closed-loop manufacturing process digital twin platform for physical request service,real-time response,and quality information feedback from iterations,which provides case guidance for subsequent factory digital twin systems,was realized.The proposed system can satisfy the requirements of multidevice big data computing services in modern manufacturing plants,as well as multiplatform,low-latency,and high-fidelity information visualization requirements for managers.Thus,this system is expected to play an important role in information factories.
文摘基于视觉的电敏保护设备(vision based ESPE)广泛应用于机械装备安全防护领域,为明确其自身功能与外界环境的要求,本文基于IEC 61496系列标准对采用视觉保护装置的电敏保护设备的验证试验进行了解读分析,主要包括型式试验、功能试验、环境试验等方面。得到了基于视觉的电敏保护设备试验验证的具体要求,为其生产与制造提供了建议与参考。
