This document discusses the design and testing of a Giant Magnetostriction Electric power Generator (GMEG) that converts vibration energy into electricity. The GMEG uses a Terfenol-D giant magnetostrictive material which changes shape under magnetic fields. Experimental results showed the GMEG could generate over 100W of power from a dropped metal ball and that output voltage increased with an applied preload of 8MPa to the Terfenol-D. A vibration deflector was also designed to redirect vibrations to the GMEG from different angles.

1. PROTOTYPING ECO POWER GENERATOR USING GIANT MAGNETOSTRICTION MATERIAL

6. ELACTRIC POWER GENERATOR SYSTAM

9. MAGNETOSTRICTIVE MATERIAL magnetostrictive material (inside), magnetizing coil, and magnetic enclosure completing the magnetic circuit (outside)

11. CHARACTERISTIC OF TERFENOL-D

16. SCHEMATIC DIAGRAM

20. VOLTAGE & CURRENT IMPACT