Journal of the Institute of Electronics Engineers of Korea SC (전자공학회논문지SC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Multiagent Fault-Tolerant Supervisory Control of Serial Production Systems Under Partial Observation

부분관측하에서 직렬생산시스템의 멀티에이젼트 내고장성 관리제어에 관한 연구

  • Published : 2000.09.01
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Abstract

In this paper, a multiagent fault-tolerant supervisory control methodology is proposed for serial production systems under partial observation. To this end, the idea of multiagent control is incorporated with the fault-tolerant supervisory control of discrete event systems. Especially, the concept of mutual fault-tolerance between cascaded processes is established and the unobservable fault identification utilizing the difference information of the controlled results is investigated. Then the synthesis of agent supervisors is formulated based on the proposed concept. A case study of the fault-propagation control of polypropylene prepolymerization and polymerization processes is provided to illustrate the proposed control policy.

이 논문에서는 부분관측하에서 직렬생산시스템에 대한 멀티에이젼트 내고장성 관리제어기법을 제안한다. 이를 위해 기존의 이산사건시스템에 대한 내고장성 관리제어기법에 멀티에이젼트 제어기법의 개념을 도입한다. 특히, 직렬연결된 프로세서 사이의 상호 내고장성 개념을 정립하며 제어결과의 상이정보를 이용한 관측불능 고장 식별에 관해 다룬다. 그리고 정립된 개념을 바탕으로 에이젼트 관리제어기의 설계기법을 정형화한다. 또한 제안하는 제어기법의 효용성을 검증하기 위해 폴리프로필렌의 예비중합공정과 중합공정에 있어서의 고장파급제어에 대한 사례연구를 살펴본다.

Keywords

References

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