The Adaptive Feedback Control with Dynamic Feed-Forward Compensation of the Giant Magnetostrictive Actuator

Kai Deng; Bin Tang Yang

doi:10.4028/www.scientific.net/AMM.654.208

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 654The Adaptive Feedback Control with Dynamic...

The Adaptive Feedback Control with Dynamic Feed-Forward Compensation of the Giant Magnetostrictive Actuator

Abstract:

The giant magnetostrictive actuator (GMA) has been used in more and more areas. But due to the existence of the nonlinear hysteresis, how to realize the high precision drive of the GMA is becoming a key problem. The paper proposes a new control algorithm of the adaptive feedback control with the dynamic feed-forward compensation. Under the expected displacement of sinusoidal signal (1Hz of the frequency and 20μm of the amplitude), the experimental maximum error ratio can reach to 5.15% and mean square error ratio is 2.024%.The paper also gives an experimental comparison with other algorithms.

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Periodical:

Applied Mechanics and Materials (Volume 654)

Pages:

208-211

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.654.208

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Online since:

October 2014

Authors:

Kai Deng, Bin Tang Yang

Keywords:

CARMA Model, Dynamic Feed-Forward Compensation, Magnetostrictive Actuator, Online Identification, Static Feed-Forward Compensation

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References

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