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Static and Dynamic Simulation of an Electromagnetic Valve Actuator Using COMSOL Multiphysics®

R. Wislati[1] and H. Haase[1]
[1]Institut für Grundlagen der Elektrotechnik und Messtechnik, Leibniz Universität Hannover, Hannover, Germany
Published in 2009

In this paper an Electromagnetic Solenoid Actuator (EMVA) consisting of an upper and lower electromagnet, a linear moving armature and two preloaded springs is considered as a potential approach in Variable Valve Actuation (VVA) systems for internal combustion engines. The analysis of the upper electromagnet has been performed using Finite Element Method (FEM) simulation. Thereby an axially symmetrical 2D FEM model in COMSOL Multiphysics® has been used taking into account all nonlinear effects. The calculated static characteristics are implemented in a Simulink® model to simulate the dynamics of the EMVA.

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