제어로봇시스템학회논문지 (Journal of Institute of Control, Robotics and Systems)

  • 제12권7호
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  • Pages.719-727
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  • 2006
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  • 1976-5622(pISSN)
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  • 2233-4335(eISSN)
제어로봇시스템학회 (Institute of Control, Robotics and Systems)
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네트워크 기반 이산 시간 제어 시스템의 최대 허용 지연 한계 및 실시간 스케줄링 기법에 관한 연구

Maximum Allowable Delay Bounds and Real-time Scheduling Method of Networked Discrete-time Control Systems

  • 김동성 (금오공과대학교 전자공학부) ;
  • 최동혁 (금오공과대학교 전자공학부)
  • 발행 : 2006.07.01
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초록

This paper proposes a new method to obtain a maximum allowable delay bound for a scheduling of networked discrete control systems and event-based scheduling method. The proposed method is formulated in terms of linear matrix inequalities and can give a much less conservative delay bound than the existing methods. A network scheduling method is presented based on the delay obtained through the proposed method, and it can adjust the sampling period to allocate same utilization to each control loop. The presented method can handle three types of data (sporadic, emergency data, periodic data and non real-time message) and guarantees real-time transmission of periodic and sporadic emergency data using modified EDF scheduling method.

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참고문헌

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