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This paper presents the identification of a novel micro-positioning stage driven by voice coil motors (VCM) with hysteresis phenomenon, which is described by Bouc-Wen model. Real-coded genetic algorithm (RGA) method with adaptive crossover and mutation is implemented to identify the parameters simultaneously. In comparison of the experiment and simulations results, it can be found that the adopting...
A modified rate-dependent Prandtl-Ishlinskii (P-I) model with a hybrid structure is proposed to describe the hysteresis nonlinearity of piezoelectric (PZT). The traditional P-I model usually consists of a superposition of the weighted backlash operators and a superposition of the weighted dead-zone operators, which can be used to describe the hysteresis. Usually the modeling precision can be further...
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