实时智能故障诊断系统

Cloud-computing based S&T Solution
Advantages Of Using G2
Advantages Identify root causes of problems Interactive graphics for modeling Agile & iteration development methodology Easy maintenance and expansion of the knowledge base
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
deploying intelligent real-time applications
A Comprehensive Platform for Creating Intelligent Systems
G2 Core Technologies
Distributed Processing 客a户nd端C/l服ien务t/器Server
Identify domain expertise: failure modes for managed object classes most frequent/significant system failures
Capture domain representation and diagnostic knowledge (GFPMs)
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 ...”
Test GFPMs
Formulate application specific procedures
Write action methods, rules
Identify rules for generating SymCure events from raw data
Test and deploy application
分布式架构
Interactive
Graphics
Rules
Concurrent
Real-tΒιβλιοθήκη Baidume
Modeling Execution
and Simulation Object- Procedures
oriented and Methods
Structured Natural Language
Open Connectivity
Diagnostic results, test actions, recovery and mitigation actions
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
How to Build Fault Diagnosis System Based On G2
Build-in Modules for Diagnosis System
G2 Optegrity
G2 NeurOn-
Line
GDA
G2 Platform
Optegrity:Development environment for Model-based fault diagnosis GDA:Development environment for Data-driven fault diagnosis NeurOn-Line: Neural network application tools
Representation of expert knowledge — Generic Fault Propagation Model
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
Contents
➢ What Is G2 ➢ Real-Time Rule Engine ➢ How to Build Based on G2 ➢ Advantages of Using G2
What Is G2 ？
What Is G2 and Intelligent System G2 is a powerful object-oriented development and deployment Platform for creating and
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
Expert knowledge
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 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
Elements Of Diagnosis System In G2
Incoming Events
Domain Representation
Diagnostic Knowledge (Generic Fault Propagation Models)
Diagnostic reasoning (Specific Fault Propagation Model)
Symptom :High reflectivity
Diagnosis :Surface cleanliness is not good
Solution: Strengthen cleaning efforts
Upstream propagation Downstream propagation
Operator
GDA
Diagnosis result
Diagnosis System
Architecture of Application
Development Methodology
Identify managed objects, class hierarchy, relationships
Incomings event to Diagnosis System
Can arrive at any time Input manually by Operator Result from Diagnostic system itself Result from Data analysis and feature
Better decision support & operator support
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Real-Time Rule Engine
Operations Expert Knowledge
Archived Data
Real-Time Operations Data
Business Policies
Operations Management Advice
Execute Operations Decisions