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Multi-Agent platform locomotive fault diagnosis system based on CBR

Author: FangBin
Tutor: ChenTeFang
School: Central South University
Course: Computer System Architecture
Keywords: Fault Diagnosis CBR Multi-Agent JADE
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 135
Quote: 2
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Abstract


With the continuous development of the locomotive technology , the increasing complexity of the locomotive system and airborne equipment . Locomotive type of failure and why has become more diverse , and also put forward higher requirements for fault diagnosis system fault diagnosis system showing dynamic , distributed , multi-sectoral collaboration and uncertainty characteristic . Multi - Agent can take advantage of parallel distributed processing technology and the modular design concept , the complexity of the system is divided into relatively independent Agent subsystem to complete complex diagnostic problem solving through cooperation and competition between agents . The same time , taking into account some of the problem areas have accumulated rich fault cases taken CBR ( Case Based Reasoning Case reasoning ) method will greatly improve the efficiency of case retrieval , the ability to improve troubleshooting . In this paper, a Multi-Agent platform design to achieve fault diagnosis system based on CBR . This paper first reviews the course of development of the fault diagnosis system , an overview of distributed fault diagnosis system of the status quo . Then introduced the expert system , the CBR method , the basic theory of multi - agent technology , and on this basis , the proposed Multi-Agent platform CBR-based fault diagnosis system model , a detailed analysis of the mechanisms of collaboration between the Multi-Agent . Matching process is proposed for the case in accordance with the fault level index , thus narrowing the range of case retrieval , and improve the retrieval efficiency , while using the nearest neighbor matching strategy to improve the retrieval accuracy . Finally, by the JADE platform , the fault diagnosis system of the CBR the CBR reasoning method and Agent technology based on Multi-Agent platform combined use this system of collective intelligence , better robustness and fault tolerance .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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