Dynamic Characteristics of Magnetic Coupling in Horizontal Axis Wave Energy Device

Zhang, Jian; Liu, Yanjun; Liu, Jingwen; He, Tongtong; Xie, Yudong

doi:10.1515/pomr-2017-0119

Abstract

To solve the dynamic response problems of magnetic coupling in the horizontal axis wave energy device, this has researched the dynamic characteristicsof magnetic coupling. The fitting formula about torque and angle of the magnetic coupling is obtained through experiments. The mathematical models of the magnetic coupling torque transmission are established. The steady state error of the magnetic coupling and the transfer function of the output angle are obtained. The analytical solution of the step response of the output angle in time domain is derived. The influence of the torsional rigidity, the damping coefficient and the driven rotor’s rotational inertia on dynamic characteristics of the magnetic coupling isanalyzed. According to the analysis results, the design rules of magnetic coupling are proposed.

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Dynamic Characteristics of Magnetic Coupling in Horizontal Axis Wave Energy Device

Abstract

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