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Reduced-order nonlinear model of an electro-hydraulic variable valve actuator for internal combustion engines

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents detailed modeling of a novel electro-hydraulic variable valve actuator for internal combustion engines that is capable of continuously varying valve timing and dual-lift. First, nonlinear mathematical system model is developed component-by-component, considering electromagnetic, mechanical, and fluid dynamics, time delay and time-varying parameters. Second, in order to develop a control-oriented model, order of the full order nonlinear model is reduced. Calibration and validation experiments are conducted for the reduced order nonlinear model using a test bench. The key time-varying parameters are determined using the test data through the Least-Squares optimization. With the identified and calibrated model parameters, the simulation results are in good agreement with the experimental ones under different operational conditions.

Original languageEnglish
Title of host publication2017 13th IEEE International Conference on Control and Automation, ICCA 2017
PublisherIEEE Computer Society
Pages1-6
Number of pages6
ISBN (Electronic)9781538626795
DOIs
Publication statusPublished - 4 Aug 2017
Event13th IEEE International Conference on Control and Automation, ICCA 2017 - Ohrid, Macedonia, The Former Yugoslav Republic of
Duration: 3 Jul 20176 Jul 2017

Publication series

NameIEEE International Conference on Control and Automation, ICCA
ISSN (Print)1948-3449
ISSN (Electronic)1948-3457

Conference

Conference13th IEEE International Conference on Control and Automation, ICCA 2017
Country/TerritoryMacedonia, The Former Yugoslav Republic of
CityOhrid
Period3/07/176/07/17

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