NDLI: A new EMV system using a PM/EM hybrid actuator

Content Provider	IEEE Xplore Digital Library
Author	Hyeong-Joon Ahn Sang-Yong Kwak Jee-Uk Chang Dong-Chul Han
Copyright Year	2005
Description	Author affiliation: Sch. of Mech. & Aerosp. Eng., Seoul Nat. Univ., South Korea (Hyeong-Joon Ahn; Sang-Yong Kwak; Jee-Uk Chang; Dong-Chul Han)
Abstract	In this paper, we develop a new EMV (electro mechanical valve) system using PM/EM (permanent magnet / electro magnet) hybrid EMA (electro magnetic actuator) and achieve the soft landing and the fast transition of the system using a simple PID control. Against the existing EMA using only the EM, the proposed actuator has several advantages like the PM biased AMB (active magnetic bearing) system. First, theoretical model of the proposed EMV system is derived and FE (finite element) analysis is performed to verify the theoretical model. Then, a test rig and a valve control system are built and the dynamic characteristic of the proposed EMA is identified. Finally, the soft landing and the fast transition of the system are achieved experimentally through a gain-scheduled PID control.
Sponsorship	IEEE Ind. Electron. Soc. (IES) Chinese Inst. of Autom. Eng. (CIAE) Nat. Sci. Council, Taiwan, R.O.C. Minist. of Educ., Taiwan, R.O.C
Starting Page	816
Ending Page	821
File Size	1120504
Page Count	6
File Format	PDF
ISBN	0780389980
DOI	10.1109/ICMECH.2005.1529367
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-10
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators Magnetic levitation Control systems Valves Three-term control Permanent magnets Finite element methods Magnetic analysis Performance analysis System testing
Content Type	Text
Resource Type	Article

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