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The use of GPS for vehicle stability control systems

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2 Author(s)
R. Daily ; Dept. of Mech. Eng., Auburn Univ., AL, USA ; D. M. Bevly

This paper presents a method for using global positioning system (GPS) velocity measurements to improve vehicle lateral stability control systems. GPS can be used to calculate the sideslip angle of a vehicle without knowing the vehicle model. This measurement is combined with other traditional measurements to control the lateral motion of the vehicle. Noise estimates are provided for all measurement systems to allow the sensors to be accurately represented. Additionally, a method to calculate the lateral forces at the tires is presented. It is shown that the tire estimation algorithm performs well outside the linear region of the tire. Results for the controller and force calculations are shown using a nonlinear model to simulate the vehicle and the force calculations are validated with experimental measurements on a test vehicle.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:51 ,  Issue: 2 )