Computer controlled hydrostatic transmission with traction control for vehicles

Leon Liebenberg, Johann J. Krüger

Research output: Contribution to journalConference articlepeer-review


An unconventional hydrostatic transmission (HST) has been developed which presents an excellent alternative transmission for multi-purpose heavy vehicles (larger than 5 tons) demanding good mobility and large speed/torque ranges. This HST is of the pressure coupled type and employs digital computer as well as analogue control, so as to provide a dynamic hydromachine control strategy. This strategy ensures effective traction and steering control, due to the fact that differential, differential lock and forced steering actions are all obtained by dynamic hydrostatic machine (hydromachine) control.

Original languageEnglish (US)
JournalSAE Technical Papers
StatePublished - Jan 1 1990
Externally publishedYes
EventInternational Off-Highway and Powerplant Congress and Exposition - Milwaukee, WI, United States
Duration: Sep 10 1990Sep 13 1990

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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