Fuzzy PID Control of ABS Based on Real-Time Road Surface Identification

Abstract:

Road surface identification is of great significance in vehicle active safety electronic control systems. This paper proposes a real-time road surface identification algorithm on the basis of the estimated instantaneous road adhesive coefficient. Based on Fuzzy-PID controller and automatic road surface identification, the actual slip ratio can be controlled at the optimal slip ratio precisely, which can promote the ABS and braking performance largely. The braking simulation tests are conducted on pre-set varying road surface conditions. And the results show that the identified results are in good agreement with the pre-set road surface, the proposed algorithm can be conveniently used for various active safety electronic control systems of vehicles.

• Periodical: Applied Mechanics and Materials (Volume 597)
• Pages: 380-383
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.597.380
• Online since: July 2014
• Authors: Bo Wang, Ping Ping Lu*, Hsin Guan, Jie Jing
• Keywords: ABS, Fuzzy PID, Optimal Slip Ratio, Road Surface Identification

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