实时智能故障诊断系统.ppt

,单击此处编辑母版标题样式,编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,实时智能故障诊断系统,实时智能故障诊断系统实时智能故障诊断系统,Contents,What Is,G2,Real-Time,Rule,Engine,How to Build Based on G2,Advantages of Using G2,What Is G2,？,G2 is a powerful object-oriented development and deployment,Platform for,creating and deploying intelligent real-time applications,What Is G2 and Intelligent System,A Comprehensive Platform for Creating Intelligent Systems,客户端,/,服务器,分布式架构,Object-oriented,Concurrent,Real-time,Execution,Open Connectivity,Distributed,Processing,and,Client,/,Server,Interactive,Graphics,Rules,Procedures,and Methods,Structured,Natural Language,Modeling,and Simulation,G2 Core Technologies,ALL G2 technologies work together in real time,Real-Time Rule Engine,Real-Time Rule Engine,Rules reason about real-time data and histories,Generic representation simplifies development,“If the status of ANY device is.”,G2 engine can fire rules in many ways:,backward chain to other rules to find values,forward chain to rules when values are received,scan rules at user-defined rates,focus rules on objects,focus rules on a category,Execute Operations Decisions,Reasoning Engines,Operations Expert Knowledge,Operations Management Advice,Business Policies,Real-Time Operations Data,Archived Data,Real-Time Rule Engine,How to Build,Fault Diagnosis System,Based On G2,Build-in Modules for Diagnosis System,Optegrity:Development environment for Model-based fault diagnosis,GDA:Development environment for Data-driven fault diagnosis,NeurOn-Line:Neural network application tools,G2Optegrity,G2 NeurOn-Line,G2 Platform,GDA,Elements Of,Diagnosis System In G2,Representation of expert knowledge,Domain Map,Domain Map represent,physical equipment and,abstract entities,Domain Map includes domain,object classes and their instances,representing the managed entities,their connectivity,containment,and other relationships,Representation of expert knowledge,Generic Fault Propagation,Model,Symptom:,High reflectivity,Diagnosis:Surface cleanliness,is not good,Solution:Strengthen cleaning efforts,Expert knowledge,Generic,causal relationships,among generic events defined over a set of classes,A generic fault model defines the propagation of failures within its instances and to domain objects of other classes via generic domain relationships,Upstream propagation,Downstream propagation,GFPMs are,created by domain experts at development time,Representation of expert knowledge,Specific Fault Propagation,Model,Describes the propagation of events within and across specific domain objects,G2 constructs a specific fault propagation,model,at run time automatically,SFPM combines,the,GFPMs,and the domain map of the managed system,Representation of expert knowledge,External Actions,Called during the diagnostic process,Integrated knowledge of fault testing and repairing,Each event can be associated with test or repair actions,The result of test and repair action can update the diagnosis,model,Can arrive at any time,Inputmanually by Operator,Result from Diagnostic system itself,Result from Data analysis and,feature,Incomings event,to Diagnosis System,Diagnosis System,Operator,GDA,Diagnosis result,Architecture of Application,Development Methodology,Identify managed objects,class hierarchy,relationships,Identify domain expertise:,failure modes for managed object classes,most frequent/significant system failures,Capture domain representation and,diagnostic knowledge(GFPMs),Identify rules for generating SymCure events from raw data,Test and deploy application,Formulate application specific procedures,Write action methods,rules,Test GFPMs,Cloud-computing based S&T Solution,Advantages Of Using G2,Identify root causes of problems,Advantages,Interactive graphics for modeling,Agile&iterationdevelopment methodology,Easy maintenance and expansion of the knowledge base,Better decision support&operator support,谢谢观赏,