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No.4(pp.151-207)

Home > Issues > Volume 11 (2006) > No.4(pp.151-207)

A Equivalent Finite Element Model of Lamination for Design of Electromagnetic Engine Valve Actuator

Journal of Magnetics, Volume 11, Number 4, 31 Dec 2006, Pages 151-155

Jin-Ho Kim*

(The Korea Institute of S&T Evaluation and Planning)

Abstract

The electromagnetic engine valve actuator is a key technology to achieve variable valve timing in internal combustion engine and the steel core and clapper of the electromagnetic engine valve actuator are laminated to reduce the eddy current loss. To design and characterize the performance of the electromagnetic engine valve actuator, FE (finite element) analysis is the most effective way, but FE (finite element) 3-D modeling of real lamination needs very fine meshes resulting in countless meshes for modeling and numerous computations. In this paper, the equivalent FE 2-D model of electromagnetic engine valve actuator is introduced and FE analysis is performed using the equivalent FE 2-D model.

Keywords: eddy current; finite element analysis; linear actuator; solid model; equivalent model; lamination

DOI:

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