Adaptive time delay compensation for air-fuel ratio control of a port injection SI engine

Chanyut Khajorntraidet, Kazuhisa Ito, Tielong Shen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Because of increasingly stringent requirements on engine efficiency and emission control, the air-fuel ratio (AFR) control strategies for port injection spark ignition (SI) engines are still continuously improved. The effects of time delay limit the AFR controller gains and degrade the system performance. The Smith predictor can be applied to overcome this problem. However, the implementation of this predictor requires accurate information of the system parameters and time delay. Hence, this paper proposes an adaptive algorithm for feedback time delay compensation in the AFR control system of a port injection SI engine. This adaptive algorithm with Smith predictor is applied to estimate and compensate the feedback time delay. The simulation results show that the proposed compensator with conventional Smith predictor can be used to improve the AFR control system efficiency and reduce the effects of time delay.

Original languageEnglish
Title of host publication2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1341-1346
Number of pages6
ISBN (Print)9784907764487
DOIs
Publication statusPublished - 2015 Sep 30
Event54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015 - Hangzhou, China
Duration: 2015 Jul 282015 Jul 30

Other

Other54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015
CountryChina
CityHangzhou
Period15/7/2815/7/30

Keywords

  • Adaptive Compensation
  • Air-Fuel Ratio
  • Smith Predictor
  • Spark Ignition Engine
  • Time Delay

ASJC Scopus subject areas

  • Control and Systems Engineering

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  • Cite this

    Khajorntraidet, C., Ito, K., & Shen, T. (2015). Adaptive time delay compensation for air-fuel ratio control of a port injection SI engine. In 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015 (pp. 1341-1346). [7285486] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/SICE.2015.7285486