Research on Robust Control of Anti-Locked Braking System of Vehicles

Abstract:

It is necessary to study the stability and robustness of the anti-locked braking system (ABS) of vehicles because there are parameter perturbations and un-modeled dynamic features in the system. On the basis of the ABS model and the mixed sensitivity method, a robust control strategy for ABS is put forward and the H robust controller is designed in this paper. The simulation of the process of ABS shows that the robust control system can keep stable and is effective on decreasing the undesirable influence of the fluctuation of parameter such as load, brake performance coefficient and road condition. Furthermore, the tire slip ratio can be effectively controlled around the desired value, and the braking performance can be obviously improved.

• Periodical: Applied Mechanics and Materials (Volumes 543-547)
• Pages: 1504-1509
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.543-547.1504
• Online since: March 2014
• Authors: Yun Bing Yan*, Hao Wu, Wei Qiang Wang
• Keywords: ABS, H_∞ Robust Control, Mixed Sensitivity Method, Parameter Perturbation, Slip Ratio

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