Implementation of a robust hybrid rotary-translational vibration energy harvester for autonomous self-powered acceleration measurement

Owen R. Payne; Luke A. Vandewater; Chandarin Ung; Scott D. Moss

doi:10.1117/12.2084432

2 April 2015 Implementation of a robust hybrid rotary-translational vibration energy harvester for autonomous self-powered acceleration measurement

Owen R. Payne, Luke A. Vandewater, Chandarin Ung, Scott D. Moss

Author Affiliations +

Proceedings Volume 9431, Active and Passive Smart Structures and Integrated Systems 2015; 943126 (2015) https://doi.org/10.1117/12.2084432
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

In this paper, a self-powered wireless sensor node utilising ambient vibrations for power is described. The device consists of a vibration energy harvester, power management system, microcontroller, accelerometer, RF transmitter/receiver and external LED indicators. The vibration energy harvester is adapted from a previously reported hybrid rotary-translational device and uses a pair of copper coil transducers to convert the mechanical energy of a magnetic sphere into usable electricity. The device requires less than 0.8 mW of power to operate continuously in its present setup (with LED indicators off) while measuring acceleration at a sample rate of 200 Hz, with the power source providing 39.7 mW of power from 500 mg excitations at 5.5 Hz. When usable input energy is removed, the device will continue to transmit data for more than 5 minutes.

Citation Download Citation

Owen R. Payne, Luke A. Vandewater, Chandarin Ung, and Scott D. Moss "Implementation of a robust hybrid rotary-translational vibration energy harvester for autonomous self-powered acceleration measurement", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 943126 (2 April 2015); https://doi.org/10.1117/12.2084432

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KEYWORDS

Sensors

Receivers

Microcontrollers

Light emitting diodes

Magnesium

Switches

Transmitters

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