Traction Control of Electric Vehicles Using Sliding-Mode Controller with Tractive Force Observer
Author(s) -
Suwat Kuntanapreeda
Publication year - 2014
Publication title -
international journal of vehicular technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.182
H-Index - 18
eISSN - 1687-5710
pISSN - 1687-5702
DOI - 10.1155/2014/829097
Subject(s) - traction control system , traction (geology) , tractive force , control theory (sociology) , sliding mode control , engineering , slip (aerodynamics) , automotive engineering , nonlinear system , slip ratio , controller (irrigation) , observer (physics) , vehicle dynamics , slip angle , control engineering , computer science , structural engineering , control (management) , mechanical engineering , brake , steering wheel , physics , agronomy , quantum mechanics , artificial intelligence , biology , aerospace engineering
Traction control is an important element in modern vehicles to enhance drive efficiency, safety, and stability. Traction is produced by friction between tire and road, which is a nonlinear function of wheel slip. In this paper, a sliding-mode control approach is used to design a robust traction controller. The control objective is to operate vehicles such that a desired wheel slip ratio is achieved. A nonlinearity observer is employed to estimate tire tractive forces, which are used in the control law. Simulation and experimental results have illustrated the success of the proposed observer-based controller
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