Abstract
A mathematical model to compute the overall vibrational response of connected multistructure mechanical systems is presented. Using the proposed model, structural vibration control strategies for seismic protection of multibuilding systems can be efficiently designed. Particular attention is paid to the design of control configurations that combine passive interbuilding dampers with local feedback control systems implemented in the buildings. These hybrid active‐passive control strategies possess the good properties of passive control systems and also have the high‐performance characteristics of active control systems. Moreover, active‐passive control configurations can be properly designed for multibuilding systems requiring different levels of seismic protection and are also remarkably robust against failures in the local feedback control systems. The application of the main ideas is illustrated by means of a three‐building system, and numerical simulations are conducted to assess the performance of the proposed structural vibration control strategies.
Highlights
Over the last years, seismic protection of adjacent buildings has been attracting an increasing interest
Particular attention is paid to the design of control configurations that combine passive interbuilding dampers with local feedback control systems implemented in the buildings. These hybrid active-passive control strategies possess the good properties of passive control systems and have the highperformance characteristics of active control systems
The connected control method CCM is a SVC strategy for multibuilding systems that consists in linking adjacent buildings by coupling devices to provide appropriate reaction control forces
Summary
Seismic protection of adjacent buildings has been attracting an increasing interest. The connected control method CCM is a SVC strategy for multibuilding systems that consists in linking adjacent buildings by coupling devices to provide appropriate reaction control forces. More complex control configurations combining passive interbuilding dampers with local feedback control systems implemented in the buildings have been proposed 24, 25 These active-passive SVC strategies combine the good properties of passive control systems and the high-performance characteristics of active control systems 26–28. It should be highlighted, that most of the research effort undertaken to date has been directed at the two-building case, while more complex multibuilding problems still remain virtually unexplored. Ii Active-passive SVC strategies for seismic protection of multibuilding systems are designed using the proposed model and the CCM approach.
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