Low power amplifier for piezoelectric actuator in wireless smart sensor applications

Lei Liu; F. G. Yuan

doi:10.1117/12.659742

11 April 2006 Low power amplifier for piezoelectric actuator in wireless smart sensor applications

Lei Liu, F. G. Yuan

Proceedings Volume 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems; 61740Y (2006) https://doi.org/10.1117/12.659742
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

As wireless sensor has emerged as a promising technology in recent years, active sensing which integrates actuation capability in a wireless sensor unit for detecting localized damage has been brought into sight in structural health monitoring. However, the inefficiency of conventional energy conversion system is a major constraint for the utilization of reactive actuator, such as piezoelectric, in the wireless sensor unit since power source is limited. This paper proposes a highly efficient low power switching amplifier to drive piezoelectric disc in the high frequency for wireless sensor applications.

Citation Download Citation

Lei Liu and F. G. Yuan "Low power amplifier for piezoelectric actuator in wireless smart sensor applications", Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 61740Y (11 April 2006); https://doi.org/10.1117/12.659742

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