Traction Control based on Slip Ratio Estimation Without Detecting Vehicle Speed for Electric Vehicle

Abstract

In traction control systems, it is generally required to detect vehicle speed in order to obtain the slip ratio. However, it is very difficult to measure vehicle speed directly. In this paper, novel estimation method of slip ratio is proposed without detecting the vehicle speed. The simulations and experiments both of slip ratio estimation and control are carried out by an electric vehicle to verify the proposed algorithm.