2015 Volume 21 Issue 49 Pages 1097-1100
Vibration energy harvesting has been studied as a candidate for powering next generation wireless sensor networks. It is difficult to harness the actual vibration because the amplitude and frequency are not constant. The combination of a vibration generator and an amplification mechanism, achieved increasing the amount of generated power in a wide frequency range. By using the new vibration energy harvester, sufficient energy was harvested from micro-vibration of the air-conditioning ducts to supply a temperature and humidity sensor and a RF transmitter.
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