Development of an aeroelastic vibration power harvester

Matthew Bryant; Ephrahim Garcia

doi:10.1117/12.815785

6 April 2009 Development of an aeroelastic vibration power harvester

Matthew Bryant, Ephrahim Garcia

Proceedings Volume 7288, Active and Passive Smart Structures and Integrated Systems 2009; 728812 (2009) https://doi.org/10.1117/12.815785
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

Aeroelastic vibration of structures represents a novel energy harvesting opportunity that may offer significant advantages over traditional wind power devices in many applications. Such a system could complement existing alternative energy sources by allowing for distributed power generation and placement in urban areas. The device configuration of a simple two degree aeroelastic system suitable for piezoelectric power harvesting is presented. The mechanical, electromechanical, and aerodynamic equations of motion governing the dynamics and electrical output of the system as a function of incident wind speed are derived. The response and current output of one design for a bench top scale harvester are simulated and presented. Finally, a strategy for expanding the operating envelope of the power harvester is proposed and discussed.

Citation Download Citation

Matthew Bryant and Ephrahim Garcia "Development of an aeroelastic vibration power harvester", Proc. SPIE 7288, Active and Passive Smart Structures and Integrated Systems 2009, 728812 (6 April 2009); https://doi.org/10.1117/12.815785

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