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Reduction and transfer equivalence of nonlinear control systems: Unification and extension via pseudo-linear algebra
Kybernetika, Tome 46 (2010) no. 5, pp. 831-849 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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The paper applies the pseudo-linear algebra to unify the results on reducibility, reduction and transfer equivalence for continuous- and discrete-time nonlinear control systems. The necessary and sufficient condition for reducibility of nonlinear input-output equation is presented in terms of the greatest common left factor of two polynomials describing the behaviour of the ‘tangent linearized system’ equation. The procedure is given to find the reduced (irreducible) system equation that is transfer equivalent to the original system equation. Besides unification, the tools of pseudo-linear algebra allow to extend the results also for systems defined in terms of difference, $q$-shift and $q$-difference operators.
The paper applies the pseudo-linear algebra to unify the results on reducibility, reduction and transfer equivalence for continuous- and discrete-time nonlinear control systems. The necessary and sufficient condition for reducibility of nonlinear input-output equation is presented in terms of the greatest common left factor of two polynomials describing the behaviour of the ‘tangent linearized system’ equation. The procedure is given to find the reduced (irreducible) system equation that is transfer equivalent to the original system equation. Besides unification, the tools of pseudo-linear algebra allow to extend the results also for systems defined in terms of difference, $q$-shift and $q$-difference operators.
Classification : 93B20, 93B25, 93C10
Keywords: nonlinear control systems; input-output models; reduction; pseudo-linear algebra; transfer equivalence 
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Kotta, Ülle; Kotta, Palle; Halás, Miroslav. Reduction and transfer equivalence of nonlinear control systems: Unification and extension via pseudo-linear algebra. Kybernetika, Tome 46 (2010) no. 5, pp. 831-849. http://geodesic.mathdoc.fr/item/KYB_2010_46_5_a2/

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