Geodesic
Detection and accommodation of second order distributed parameter systems with abrupt changes in input term: Existence and approximation
Kybernetika, Tome 36 (2000) no. 1, p. [117].

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The purpose of this note is to investigate the existence of solutions to a class of second order distributed parameter systems with sudden changes in the input term. The class of distributed parameter systems under study is often encountered in flexible structures and structure-fluid interaction systems that use smart actuators. A failure in the actuator is modeled as either an abrupt or an incipient change of the actuator map whose magnitude is a function of the measurable output. A Galerkin-based finite approximation for the adaptive diagnostic observer and its on-line approximator is proposed in order to facilitate the numerical implementation of the aforementioned diagnostic observer.
Classification : 93B30, 93B40, 93C20
Keywords: second order distributed parameter system 
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     author = {Demetriou, Michael A. and Ackleh, Azmy S. and Reich, Simeon},
     title = {Detection and accommodation of second order distributed parameter systems with abrupt changes in input term: {Existence} and approximation},
     journal = {Kybernetika},
     pages = {[117]},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2000},
     mrnumber = {1760892},
     zbl = {1249.93068},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2000__36_1_a9/}
}
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Demetriou, Michael A.; Ackleh, Azmy S.; Reich, Simeon. Detection and accommodation of second order distributed parameter systems with abrupt changes in input term: Existence and approximation. Kybernetika, Tome 36 (2000) no. 1, p. [117]. http://geodesic.mathdoc.fr/item/KYB_2000__36_1_a9/