To effectively solve the difficulty of fault detection and troubleshooting caused by the low in-formationization degree maintenance for special vehicles,a hybrid diagnosis system architecture and modeling method based on digital twin for special chassis was proposed.A digital twin model including multiple physical properties was established to accurately reveal the state of remote vehicle chassis and realize all-round three-dimensional visual monitoring.A hybrid diagnosis method integrating intelligent detection,knowledge base diagnosis and expert diagnosis was proposed,which can improve the diagno-sis efficiency and reliability of special chassis compared with existing methods.On the basis of analy-zing requirements of the actual working conditions,the top-level design scheme on technology,function and communication framework of the diagnosis system was purposed to provide hybrid diagnosis based on digital twin monitoring during task execution.Furthermore,a hybrid diagnosis platform for special chassis was designed,and the effectiveness of the platform was verified by experiments.
关键词
数字孪生/混合诊断/底盘/设备可靠性
Key words
digital twin/hybrid diagnosis/chassis/equipment reliability
维普
万方数据