NDLI: Energy-Based Key-On Control of a Double Magnet Electromechanical Valve Actuator

Content Provider	IEEE Xplore Digital Library
Author	di Bernardo, M. di Gaeta, A. Hoyos Velasco, C.I. Santini, S.
Copyright Year	1993
Abstract	The aim of this paper is to design, analyze, and validate via experiments the control of a double magnet electromechanical valve actuator (EMVA). Such actuators have shown to be a promising solution to actuate engine valves during normal engine cycle. Their use can increase engine power, reduce fuel consumption and pollutant emissions, and improve significantly engine efficiency. To this aim, this actuator needs to be properly controlled at the engine startup for the first valve lift (key-on control). Mathematically, the EMVA system can be described as a highly nonlinear piecewise-smooth mechanical oscillator. The proposed control law is based on an energy control approach. Bifurcation analysis of the closed-loop system is carried out to characterize the nonlinear dynamics of the valve and to tune the controller. The numerical and theoretical analysis is in good agreement with the experimental results.
Sponsorship	IEEE Control Systems Society
Starting Page	1133
Ending Page	1145
Page Count	13
File Size	2164237
File Format	PDF
ISSN	10636536
Volume Number	20
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Valves Friction Engines Coils Force Mathematical model Actuators key-on control Bifurcation analysis camless engine electromechanical valve actuator (EMVA) energy control
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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