Dynamic Analysis of the Tubular Linear Actuator With Permanent Magnets

Just, Krzysztof; Piskur, Paweł; Żokowski, Mariusz

doi:10.2478/sjpna-2019-0001

Abstract

In this paper a results of a transient analysis of the linear actuator is presented. The linear actuator consist of the three cylindrical unmovable coils surrounded by a soft ferromagnetic case, a runner made from sequence of ferromagnetic and permanent magnet rings. The model of the linear actuator was implemented into two software: the Comsol Multiphysics and the Matlab-Simulink. Both environments are commonly used in simulation analysis, but the first one uses Finite Element Method (FEM) and the second one uses Ordinary Differential Equations (ODE). Moreover, the dynamic model was analysed in Matlab-Simulink software with value of electromagnetic phenomena implemented from Comsol Multiphysics. Comparison was made due to the time needed for calculation, accuracy of the simulation model as well as the as utility for further optimization process.

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Dynamic Analysis of the Tubular Linear Actuator With Permanent Magnets

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