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Chauffeur braking

By Tristram Armour, David Allwright, Chris Cawthorn, Chris Dent, Jeff Dewynne, Joseph Fehribach, Gemma Fay, John Lees-Miller, Jan Van lent, Jonathan Ward and Robert Whittaker

Abstract

An experienced driver will `feather' the brakes so as to unwind the suspension compliance and stop the vehicle with only just enough torque in the brakes to hold the vehicle stationary on any gradient, or against the residual torque from an automatic transmission’s torque converter.\ud \ud An optimal stopping problem that minimises the total jerk was formulated and solved. This model was extended by including a linear relationship between the brake pressure and the acceleration of the car where the coefficients are estimated by linear regression. Finally, a Kalman filter estimates the state of the car using the tone wheel

Topics: Transport and Automotive
Year: 2009
OAI identifier: oai:generic.eprints.org:248/core70

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Citations

  1. (1995). A new model for control systems with friction - doi
  2. A reference for various friction models. They consider several friction models: Coulomb; viscous; Stribeck; combined models; models for small displacements; models to include stochastic nature of friction.
  3. Friction models for sliding dry boundary & mixed lubricated contacts -

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