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Decentralised supervisory control of discrete event systems with mutual observability

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3 Author(s)
S. -G. Kim ; Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., South Korea ; M. -S. Lee ; J. -T. Lim

An extended decentralised supervisory control framework of discrete event systems is considered, in which a certain number of local supervisors are required to disable a controllable event. The mutual observability, which is an extended concept of the conventional co-observability, is presented to increase the system's efficacy. Based on the mutual observability, the authors investigate the necessary and sufficient conditions for the existence of the extended decentralised supervisory control.

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IEE Proceedings - Control Theory and Applications  (Volume:151 ,  Issue: 3 )