Lumped parameter modeling and analysis of hybrid magnet engine valve actuator

Title
Lumped parameter modeling and analysis of hybrid magnet engine valve actuator
Author(s)
김진호최영[최영]부탄덕[부탄덕]
Issue Date
201012
Publisher
KOREAN SOC PRECISION ENG
Citation
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, v.11, no.6, pp.983 - 986
Abstract
The hybrid magnet engine valve actuator (HMEVA) composed of two types of magnets (permanent magnet and electromagnet) and two balanced springs is a promising tool for implementing innovative engine management strategies for variable valve timing. Finite Element Method (FEM), a favored actuator design tool due to its high accuracy, was utilized to analyze the electromagnetic actuator, but it consumes a lot of time especially in computation iterations for optimization. Accordingly, the magnetic equivalent circuit analysis can be an alternative tool to FEM because of its computation iteration capability with fair accuracy. In this paper, an equivalent magnetic circuit model of an HMEVA is developed considering the reluctances, external magnetic forces and so on, and the simulation results are presented. In addition, the result of lumped parameter analysis (LA) is compared with those obtained from finite element analysis for verification.
URI
http://hdl.handle.net/YU.REPOSITORY/23242http://dx.doi.org/10.1007/s12541-010-0119-8
ISSN
1229-8557
Appears in Collections:
공과대학 > 기계공학부 > Articles
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