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Study on Engine Idle Speed Control Considering Vehicle Power Balance

  • Feng Gao
  • Qiang Zhang
  • Daquan Zhang
  • Wen He
Conference paper
  • 1.2k Downloads
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 200)

Abstract

By analyzing the characteristics of a battery discharge, a new power balance automatic control strategy at idle condition was designed. The feedback signal of electric power load is cancelled and the battery state is estimated only by voltage. Furthermore, application problems, such as integration with the normal engine control logic, etc. were studied. By integrating into ECU, the idle power balance automatic control function can be realized without adding any hardware cost. Vehicle test results show that the control logic can modify idle speed automatically and stably according to electrical load power.

Keywords

Power balance Engine control Idle speed control Electrical load estimation State of charge 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Feng Gao
    • 1
  • Qiang Zhang
    • 1
  • Daquan Zhang
    • 1
  • Wen He
    • 1
  1. 1.Automobile Engineering Institute of Changan Automobile LtdChongqingP.R. China

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