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On Conditional Decomposability
Autoři | |
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Rok publikování | 2012 |
Druh | Článek v odborném periodiku |
Časopis / Zdroj | Systems & Control Letters |
Citace | |
www | http://dx.doi.org/10.1016/j.sysconle.2012.07.013 |
Doi | http://dx.doi.org/10.1016/j.sysconle.2012.07.013 |
Klíčová slova | Discrete-event system, coordination control, conditional decomposability. |
Popis | The requirement of a language to be conditionally decomposable is imposed on a specification language in the coordination supervisory control framework of discrete-event systems. In this paper, we present a polynomial-time algorithm for the verification whether a language is conditionally decomposable with respect to given alphabets. Moreover, we also present a polynomial-time algorithm to extend the common alphabet so that the language becomes conditionally decomposable. A relationship of conditional decomposability to nonblockingness of modular discrete-event systems is also discussed in this paper in the general settings. It is shown that conditional decomposability is a weaker condition than nonblockingness. |