Design of a hybrid magnetomotive force electromechanical valve actuator

查看全文 作　　者：Jawad [1,2]ASLAM;Xing-hu [1]LI;Faira Kanwal [3]JANJUA

机构地区：[1]School of Transportation Science and Engineering, Beihang University, Beijing 100191, China;[2]School of Mechanical and Manufacturing Engineering, National University of Science and Technology, lslamabad 46000, Pakistan;[3]School of Natural Sciences, University of Engineering and Technology, Lahore 54000, Pakistan

出　　处：《Frontiers of Information Technology & Electronic Engineering》索引2017年第18卷第10期,共9页

基　　金：supported by the State Key Laboratory of Automotive Safety and Energy,Tsinghua University(No.KF14112);the State Key Laboratory of Engines,Tianjin University(No.K2014-6) 摘　　要：We propose a novel axis-symmetric modified hybrid permanent magnet(PM)/electromagnet(EM) magnetomotive force actuator for a variable valve timing camless engine. The design provides a large magnetic force with low energy consumption, low coil inductance, PM demagnetization isolation, and improved transient response. Simulation and experimental results confirm forces of about 200 N(in the presence of coil current) at the equilibrium position and 500 N(in the absence of coil current) at the armature seat. We compared our proposed design with a double solenoid valve actuator(DSVA). The finite element method(FEM) designs of the DSVA and our proposed valve actuator were validated by experiments performed on manufactured prototypes. 关键词：Permanent magnet ELECTROMAGNET Variable valve timing Camless engine Magnetomotive force

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Design of a hybrid magnetomotive force electromechanical valve actuator

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