Presentation 1997/10/31
Minimal Realizations of Deterministic Finite Automata using Ho-Kalman's Algorithm
Koji WATANABE, Takeo IKAI, Kunio FUKUNAGA,
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Abstract(in English) Regarding finite Automata (FAs) as discrete time dynamical systems, state space models of FAs can be constructed over B(={0, 1}). As a result, the concepts such as reachability, observability etc. can be defined on state space models of FAs as well as linear dynamical systems over the real field R. In this paper, we propose a minimal realization method of deterministic FAs using Ho-Kalman's algorithm from Hankel matrices constructed by input-output responses of FAs. Since state space models of FAs are bilinear over B and Ho-Kalman's algorithm is, on the other hand, one for linear systems over R, we add some extensions to their algorithm. Furthermore, we derive a minimal partial realization algorithm from finite sub-Hankel matrices.
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Keyword(in English) finite automata / state space model / Hankel matrix / minimal realization / Ho-Kalman's algorithm
Paper # COMP97-52
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Committee COMP
Conference Date 1997/10/31(1days)
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Registration To Theoretical Foundations of Computing (COMP)
Language JPN
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Title (in English) Minimal Realizations of Deterministic Finite Automata using Ho-Kalman's Algorithm
Sub Title (in English)
Keyword(1) finite automata
Keyword(2) state space model
Keyword(3) Hankel matrix
Keyword(4) minimal realization
Keyword(5) Ho-Kalman's algorithm
1st Author's Name Koji WATANABE
1st Author's Affiliation Faculty of Engineering, Osaka Prefecture University()
2nd Author's Name Takeo IKAI
2nd Author's Affiliation Faculty of Engineering, Osaka Prefecture University
3rd Author's Name Kunio FUKUNAGA
3rd Author's Affiliation Faculty of Engineering, Osaka Prefecture University
Date 1997/10/31
Paper # COMP97-52
Volume (vol) vol.97
Number (no) 356
Page pp.pp.-
#Pages 8
Date of Issue