Title:
|
Hysteretic active control of base-isolated buildings
|
Author:
|
Pozo Montero, Francesc; Vidal Seguí, Yolanda; Garcia, Guillem; Acho Zuppa, Leonardo; Rodellar Benedé, José
|
Other authors:
|
Universitat Politècnica de Catalunya. Departament de Matemàtiques; Universitat Politècnica de Catalunya. CoDAlab - Control, Modelització, Identificació i Aplicacions |
Abstract:
|
In this work, an active control law for base-isolated buildings is proposed. The
crucial idea comes from the observation that passive base-isolation systems are
hysteretic. Thus, an hysteretic active control strategy is designed in a way that
the control force is smooth and limited by a prescribed bound. Furthermore,
given a specific actuator with a physically limited maximum force and maximum
rate of change, it is proven that the design parameters in the contributed control
law can be chosen such that the control signal inherently satisfies the actuator
constraints. Eight different ground-acceleration time-history records and a
model of a 5-story building are used to study and compare the performance of
a passive pure friction damper alone, with the addition of the proposed active
control. Numerical analysis demonstrates that our control strategy effectively
mitigates base displacement and shear without an increase in superstructure
drift or acceleration. |
Abstract:
|
Peer Reviewed |
Subject(s):
|
-Àrees temàtiques de la UPC::Matemàtiques i estadística -Hysteresis -active control -base-isolated building -bounded control -hysteresis -rate of change -Histèresi |
Rights:
|
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Document type:
|
Article - Submitted version Article |
Share:
|
|