Estimating Lateral Stability Region for Four Wheel Independently - Actuated Electric Vehicle Considering Steering

Paper #:
  • 2013-01-2373

Published:
  • 2013-09-24
DOI:
  • 10.4271/2013-01-2373
Citation:
Yin, G., "Estimating Lateral Stability Region for Four Wheel Independently - Actuated Electric Vehicle Considering Steering," SAE Technical Paper 2013-01-2373, 2013, https://doi.org/10.4271/2013-01-2373.
Author(s):
Affiliated:
Pages:
8
Abstract:
The paper builds the non-linear vehicle dynamic model firstly, and the lateral stability region of the vehicle considering steering is estimated based on lyapunov function. Stable equilibrium points of non-straight driving are obtained and the lyapunov function matrix is reconstructed which prove that the closed-loop system composed of yaw rate and lateral velocity is satisfied with negative definite property. The simulation results show that the estimated system stability region is satisfied with handling stability on different roads, steering angle and longitudinal velocity.
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