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Estimation of vehicle speed based on wheel speeds from ASR system in four-wheel drive vehicles

  • Beijing Institute of Technology
  • Changan Automobile Co., Ltd.

Research output: Contribution to journalArticlepeer-review

Abstract

Three major methods currently in the use of determining vehicle speed based on wheel speeds, the minimum wheel speed, minimum wheel speed corrected by slope method and the Kalman filter method, are analyzed, with merits and defects of each approach stated. Through simulations, the Kalman filter method based on minimum wheel speed shows improved accuracy, in addition to better adaptivity to vehicle reference speed. It also can be used to acceleration ship regulation (ASR) in part-time four-wheel drive vehicles.

Original languageEnglish
Pages (from-to)153-157
Number of pages5
JournalJournal of Beijing Institute of Technology (English Edition)
Volume19
Issue number2
Publication statusPublished - Jun 2010

Keywords

  • Acceleration slip regulation
  • Estimation of vehicle speed
  • Four-wheel drive
  • Wheel speed

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