Performance improvement of idm motor using nonlinear property of material

Abstract eng:
Impact Drive Mechanism (IDM) motors, compromising the impact force and the friction to achieve the motion, have a great potential to be applied in the precision industry. Traditionally, to eliminate the complex behaviours of driving materials, these motors are majorly operated when the material is driven employing its linear property. The prevalent way of improving the performance of the IDM motors is to use the optimized driving waveform. However, using a complex waveform greatly increases the burden of driving hardware. The main objective of this work is to investigate the performance improvement of IDM motors utilizing the nonlinear property of the driving material. Experiments are conducted to explore the influence of Galfenol nonlinear property on the performance of IDM motors, whose nonlinear property is modulated using a bias DC current. The result indicates that the motor motion performance can be greatly improved using the quadratic nonlinear property of Galfenol.

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