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《China Mechanical Engineering》 2016-17
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Research on Brake-force Distribution Strategies for Brake-by-wire System Based on Slip Ratio

Peng Xiaoyan;Lü Yibin;He Lei;Hunan University;  
To improve braking safety and stability,an optimal braking force distribution strategy for brake-by-wire system of four-wheel independent break based on slip ratio and a real time optimization calculation method for the constrained optimization problem were proposed,and a co-simulation model of Simulink and CarSim was established to simulate and test.The simulation results show that the optimal braking force distribution strategy based on slip ratio may always ensure the front wheel slip ratio greater than the rear wheels' and the rear wheel slip ratio is optimal under different braking conditions,which improves vehicle braking stability and obtains shorter braking distance.At last,the optimal braking force distribution strategy algorithm is verified and it meets the requirements in real-time.
【Fund】: 国家自然科学基金资助项目(51575167)
【CateGory Index】: U463.5
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