Fuzzy Logic Optimization of Composite Brake Control Strategy for Load-Isolated Electric Bus

Yafei Xin, Tiezhu Zhang, Hongxin Zhang, Qinghai Zhao, Jian Zheng and Congcong Wang

Mathematical Problems in Engineering, 2019, vol. 2019, 1-14

Abstract:

To improve the energy recovery rate and increase the driving range of load-isolated electric buses, a composite brake control strategy based on fuzzy logic optimization is proposed. Considering the influence of the battery SOC value and the braking intensity on the braking ratio, a fuzzy controller is designed for small and medium braking strengths to optimize the control strategy. The vehicle simulation model of the load-isolated electric bus was built with the AVL CRUISE software platform. The AVL CRUISE-Simulink cosimulation was carried out under the original control strategy and the optimized control strategy. The simulation results show that, under the premise of ensuring the stability of braking, the driving range of the vehicle with the optimized control strategy is increased by 7.74% and the energy recovery rate is increased by 11.05%.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:9735368

DOI: 10.1155/2019/9735368

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