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FPGA-Based Compensator of Hysteretic Actuator Nonlinearities for Highly Dynamic Applications

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3 Author(s)
Janocha, H. ; Saarland Univ., Saarbrucken ; Pesotski, D. ; Kuhnen, K.

This paper presents the design and construction of an inverse controller for the compensation of hysteretic actuator characteristics. The approach is based on the so-called modified Prandtl-Ishlinskii method. The field-programmable-gate-array-based hardware solution allows hysteresis-free actuator operation at signal frequencies up to 1 kHz. Finally, the effect of hysteresis compensation is presented for an example involving a magnetostrictive actuator.

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Mechatronics, IEEE/ASME Transactions on  (Volume:13 ,  Issue: 1 )