Design of traction control system for electric scooter using self-organising fuzzy control
by Bo-Chiuan Chen; Chia-Hsing Chu; Shiuh-Jer Huang
International Journal of Vehicle Design (IJVD), Vol. 62, No. 1, 2013

Abstract: A Traction Control System (TCS) using Self-Organising Fuzzy Control (SOFC) is proposed for electric scooter in this paper. Vertical load and traction force observers are used to estimate road friction coefficient. Road condition observer is used to estimate the gradient of road friction coefficient with respect to tyre slip ratio. Reference slip ratio for TCS is determined using estimated gradient. According to the error and error change of slip ratio, SOFC adjusts the torque demand for wheel motor. Simulation and experimental results show that the proposed TCS can detect road friction change and maintain slip ratio in the stable region.

Online publication date: Fri, 12-Apr-2013

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