High-performance piezoelectric vibration energy reclamation

Elie Lefeuvre; Adrien Badel; Claude Richard; Daniel Guyomar

doi:10.1117/12.532709

26 July 2004 High-performance piezoelectric vibration energy reclamation

Elie Lefeuvre, Adrien Badel, Claude Richard, Daniel Guyomar

Proceedings Volume 5390, Smart Structures and Materials 2004: Smart Structures and Integrated Systems; (2004) https://doi.org/10.1117/12.532709
Event: Smart Structures and Materials, 2004, San Diego, CA, United States

Abstract

A new approach of energy reclamation from mechanical vibrations is presented in this paper. The conversion from mechanical energy into electrical energy is achieved using piezoelectric materials. The originality of the proposed approach is based on a nonlinear treatment of the voltage delivered by a piezoelectric insert embedded in a vibrating structure. This nonlinear processing induces a strong increase of the power conversion capability of the piezoelectric insert. The theoretical principle of the nonlinear treatment is exposed, and the analytical model of an electrical generator is developed. The results given by the model are compared to those of an experimental set-up. Experimental results show that the extracted electrical energy may be increased beyond 400%.

Citation Download Citation

Elie Lefeuvre, Adrien Badel, Claude Richard, and Daniel Guyomar "High-performance piezoelectric vibration energy reclamation", Proc. SPIE 5390, Smart Structures and Materials 2004: Smart Structures and Integrated Systems, (26 July 2004); https://doi.org/10.1117/12.532709

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