Characteristics of piezoelectric damper in smart structural system

Yoshikazu Kitagawa; Masaki Takeshita; Hiroyuki Tamai; Kenji Miura

doi:10.1117/12.482394

18 August 2003 Characteristics of piezoelectric damper in smart structural system

Yoshikazu Kitagawa, Masaki Takeshita, Hiroyuki Tamai, Kenji Miura

Proceedings Volume 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures; (2003) https://doi.org/10.1117/12.482394
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

Characteristics of piezoelectric dampers built with piezoelectric materials were investigated as part of a smart structural system for buildings. Piezoelectric materials can be applied not only to the sensors and the actuators, but also to the dampers. Here, first the damping mechanism and the complex stiffness for a piezoelectric damper were derived from the piezoelectric equations. Then, based on the complex stiffness and Biggs's formula, an equation used to evaluate the damping performance for building structures with piezoelectric dampers was derived. Finally, to determine the applicability and availability of piezoelectric dampers, the habitability of a building with piezoelectric dampers to strong wind was investigated for a high-rise steel apartment building. The results show that piezoelectric dampers enable high-rise apartments of practical dimensions to satisfy H-2 grade habitability.

Citation Download Citation

Yoshikazu Kitagawa, Masaki Takeshita, Hiroyuki Tamai, and Kenji Miura "Characteristics of piezoelectric damper in smart structural system", Proc. SPIE 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures, (18 August 2003); https://doi.org/10.1117/12.482394

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