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

Author

Janocha, Hartmut ; Pesotski, Denis ; Kuhnen, Klaus

Author_Institution

Saarland Univ., Saarbrucken

Volume

13

Issue

1

fYear

2008

Firstpage

112

Lastpage

116

Abstract

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.

Keywords

actuators; compensation; control nonlinearities; field programmable gate arrays; hysteresis; magnetostrictive devices; FPGA-based compensator; Prandtl-Ishlinskii method; hysteresis compensation; hysteretic actuator nonlinearities; inverse controller; magnetostrictive actuator; signal frequency; Coils; Control nonlinearities; Control systems; Displacement control; Field programmable gate arrays; Frequency; Hardware; Hydraulic actuators; Hysteresis; Magnetostriction; Field-programmable gate array (FPGA); hysteresis compensation; magnetostrictive actuator; modified Prandtl–Ishlinskii method;

fLanguage

English

Journal_Title

Mechatronics, IEEE/ASME Transactions on

Publisher

ieee

ISSN

1083-4435

Type

jour

DOI

10.1109/TMECH.2007.915065

Filename

4453925