【摘要】 在讨论故障诊断领域的研究现状的基础上,分析了机械故障预测技术的发展趋势,探讨了开展虚拟环境下机械故障预测技术研究的力学需求和动力学仿真需求,介绍了机械系统虚拟样机技术,分析了典型机械装备虚拟样机的建造方法及虚拟环境下的样机校核方法,提出了基于虚拟样机的故障仿真预测技术,设计了机械装备故障仿真预测系统的模块化结构,为实现机械故障的早期预测和预知维修开辟了新的思路,这是国际潮流的"可持续发展思想"和我国提出的"清洁化生产模式"在诊断工程中的具体体现,是现代诊断技术的"可持续发展模式",具有良好的工程应用前景。更多还原

【Abstract】 The progressing trend of machinery fault forecasting technology based on localizauion discussion of traditional diagnosis technology is analyzed.Requirement of mechanics and dynamics simulation for fault forecasting technology is discussed.Then,machinery system virtual prototyping technology is introduced,and modeling method of machinery virtual prototyping is designed,and verifying method of virtual prototyping is discussed within virtual simulation environment.Finally,method of fault forecasting based on virtual prototyping is put forward,and module framework of machinery fault simulation forecasting system is designed.These establish foundations of theory and technology for fault forecasting,quality evaluating,and maintaining of machinery equipment.It is continual progressing mode of modern diagnostic technology with upstanding engineering applied prospect.更多还原