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Multiobjective analysis for the design and control of an electromagnetic valve actuator

By Paul Stewart, Dan Gladwin and P. J. Fleming

Abstract

The electromagnetic valve actuator can deliver much improved fuel efficiency and reduced emissions in spark ignition (SI) engines owing to the potential for variable valve timing when compared with cam-operated, or conventional, variable valve strategies. The possibility exists to reduce pumping losses by throttle-free operation, along with closed-valve engine braking. However, further development is required to make the technology suitable for accept- ance into the mass production market. This paper investigates the application of multiobjective optimization techniques to the conflicting objective functions inherent in the operation of such a device. The techniques are utilized to derive the optimal force–displacement characteristic for the solenoid actuator, along with its controllability and dynamic/steady state performance

Topics: G700 Artificial Intelligence, H330 Automotive Engineering, H360 Electromechanical Engineering
Publisher: IMechE
Year: 2007
DOI identifier: 10.1243/09544070JAUTO439
OAI identifier: oai:eprints.lincoln.ac.uk:2227

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