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Online Supervisory Control of Hybrid Systems Using Embedded Simulation

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2 Author(s)
J. P. Millan ; Inst. for Ocean Technol., Nat. Res. Council, St. John's, Nfld. ; S. D. O'Young

This paper describes a technique for synthesizing supervisory discrete event controllers for hybrid plants. The discrete event model of the plant behaviour is assembled for a limited lookahead horizon at run time based on discrete abstractions of embedded continuous simulations. A supervisory controller for this limited horizon model is then computed as a state avoidance problem. Since the controller is valid for only a limited time/event horizon, it must be re-computed on-line periodically, in order to extend the operation to an infinite time horizon. We present a scheme for enforcing guaranteed safe and nonblocking behaviour which is rooted in standard industrial practice

Published in:

Discrete Event Systems, 2006 8th International Workshop on

Date of Conference:

10-12 July 2006