Vibration absorption in a building like structure by means of piezoelectric patches and positive acceleration feedback

Max Aldolfo Rios-Gutierrez; Gerardo Silva-Navarro

doi:10.1117/12.847443

9 April 2010 Vibration absorption in a building like structure by means of piezoelectric patches and positive acceleration feedback

Max Aldolfo Rios-Gutierrez, Gerardo Silva-Navarro

Author Affiliations +

Proceedings Volume 7643, Active and Passive Smart Structures and Integrated Systems 2010; 76432F (2010) https://doi.org/10.1117/12.847443
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

This paper is about mechanical vibration suppression in a three story building like structure. The experimental platform is a laboratory prototype made of aluminum alloy with bolted joints and an elctromagnetic shaker used as a disturbance source. This prototype can be used as a representation of a civil structure as well as an industrial machinery element. This structure is modeled and validated by the application of finite element methods and experimental modal analysis. The system response is controlled by a piezoelectric actuator, properly located on the structure, and with the synthesis of a feedback control law based on the well-known positive acceleration feedback control scheme. Some numerical simulations and experiments results are performed to illustrate the overall system performance in presence of several types of excitation.

Citation Download Citation

Max Aldolfo Rios-Gutierrez and Gerardo Silva-Navarro "Vibration absorption in a building like structure by means of piezoelectric patches and positive acceleration feedback", Proc. SPIE 7643, Active and Passive Smart Structures and Integrated Systems 2010, 76432F (9 April 2010); https://doi.org/10.1117/12.847443

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