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HYSTERESIS IDENTIFICATION OF BIDIRECTIONAL MAGNETO-RHEOLOGICAL ACTUATORS EMPLOYING PREISACH MODEL

As known, the aim of this paper is to present the field hysteresis behavior of a BMR actuator via identifying the hysteresis model. In order to realize this purpose, firstly, a BMR actuator is manufactured. The feature of this actuator has two disks which are rotated in opposite direction at the same speed and two coils are placed directly on each side of the housing. The two input signals consisting of velocity and current are applied to the BMR actuator to investigate the characteristic of this actuator. Secondly, a proper Preisach hysteresis model is built with two inputs and one output to estimate the torque of the actuator. Finally, the accuracy and the effectiveness of the model are demonstrated by the errors comparison between the constructed hysteretic curves and the experimental ones

Từ khóa: MR actuator, hysteresis model, preisach model

7 p ovanketv 07/06/2019 350 2

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