Practical Ruled-Based Vehicle Traction Control

Paper #:
  • 942402

Published:
  • 1994-11-01
Citation:
Fan, Z., Koren, Y., and Wehe, D., "Practical Ruled-Based Vehicle Traction Control," SAE Technical Paper 942402, 1994, https://doi.org/10.4271/942402.
Pages:
7
Abstract:
This paper introduces a new traction control method that assures vehicle operational stability on a low friction road. On a low friction road, the vehicle becomes unstable as the drive wheels spin under excess engine torque. Instead of using friction coefficient versus slip-ratio curve and exact vehicle speed, this paper uses a friction coefficient detector. Accordingly, the concept of Sign of Torque Change relative to Friction Coefficient (STCFC) is introduced and applied to a rule-based traction controller. In order to perform simulations, a formula that represents the traction force versus longitudinal slip was proposed. Simulation results verify this approach.
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