FPGA Controlled Pneumatic Variable Valve Actuation

Sasa Trajkovic, Alexandar Milosavljevic, Per Tunestål, Bengt Johansson

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

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Abstract

A control system for pneumatic variable valve actuation has been designed, implemented and tested in a single cylinder test engine with valve actuators provided by Cargine Engineering AB. The design goal for the valve control system was to achieve valve lifts between 2 and 12 mm over an engine speed interval of 300 to 2500 rpm. The control system was developed using LabView and implemented on the PCI 7831. The design goals were fulfilled with some limitations. Due to physical limitations in the actuators, stable operation with valve lifts below 2.6 mm were not possible. During the engine testing the valve lift was limited to 7 mm to guarantee piston clearance. Different valve strategies for residual gas HCCI combustion were generated on a singlecylinder test engine.
Original languageEnglish
Title of host publicationSAE Special Publications
PublisherSociety of Automotive Engineers
Volume2006
Publication statusPublished - 2006

Publication series

Name
NumberSP-2007
Volume2006
ISSN (Print)0148-7191

Subject classification (UKÄ)

  • Other Mechanical Engineering

Free keywords

  • FPGA
  • Variable Valve Actuation
  • Pneumatic

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