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Study on Electrohydraulic Exhaust Valve of Single Piston Hydraulic Free-Piston Engine

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Abstract:

This paper investigates the electrohydraulic exhaust valve of a single piston hydraulic free-piston diesel engine, which is intended to be a power supply for hydraulic propulsion systems. Double pulse signals of release solenoid valve are designed to eliminate the impacts of electrohydraulic exhaust valve seating. The control strategy of abnormal operation prediction is presented to protect the exhaust valve from collision. The experiments indicate that the soft seating of the exhaust valve can be achieved and the exhaust valve collision can be avoided utterly.

Keywords: CONTROL STRATEGY; ELECTROHYDRAULIC EXHAUST VALVE; FLEXIBLY ADJUST; FREE-PISTON

Document Type: Research Article

DOI: https://doi.org/10.1166/asl.2012.2310

Publication date: 2012-03-01

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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