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Fault detection in base-isolation systems via a restoring force observer
Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodellar Benedé, José
Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III; Universitat Politècnica de Catalunya. CODALAB - Control, Dinàmica i Aplicacions
This paper proposes a fault detection method for hysteretic base-isolation systems. One of the key contributions of this work is a Lyapunov-based restoring force observer that leads to the design of a robust fault detection scheme. The different fault types considered are stiffness and damping variations in the system. The proposed fault estimation method provides a direct estimate of the size and severity of the fault, which can be important in many civil engineering applications. A design procedure is described, and nonlinear simulation results are presented to demonstrate the applicability of the proposed method.
Àrees temàtiques de la UPC::Matemàtiques i estadística::Investigació operativa
System theory
Sistemes de control
Classificació AMS::93 Systems Theory; Control
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/publishedVersion
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