在确保制动安全性的同时,为有效提升能量利用效率,以电动汽车为研究对象,提出一种电动汽车回馈-防抱死制动中储氢系统博弈协同控制方法。首先,构建电动汽车路面模型、车轮模型以及制动系统模型,为后续滑移率的分配提供输入;其次,需识别驾驶员的制动意图,获取驾驶员在不同行车状态的实际制动强度需求,求得电机回馈制动力矩;最后,基于滑移率与电机回馈制动力矩,构建电动汽车回馈-防抱死制动中储氢系统博弈协同控制策略,博弈调配储氢系统对回馈制动和液压制动的供气量,优化储氢系统的释放,实现储氢系统博弈协同控制。研究结果表明,所提方法具有较高的能量回收率和制动稳定性、鲁棒性,可为电动汽车的发展提供重要的技术支持。
Abstract
To ensure braking safety and effectively improve energy utilization efficiency, a game based collaborative control method for hydrogen storage system in electric vehicle regenerative anti-lock braking is proposed. Firstly, construct the road surface model, wheel model, and braking system model of the electric vehicle to provide input for the subsequent allocation of slip ratio. Secondly, it is necessary to identify the driver’s braking intention, obtain the actual braking intensity requirements of the driver in different driving states, and obtain the feedback braking torque of the motor; Finally, based on the slip ratio and the regenerative braking torque of the motor, a game based collaborative control strategy for the hydrogen storage system in the regenerative anti-lock braking system of electric vehicles is constructed. The game is used to allocate the gas supply of the hydrogen storage system for regenerative braking and hydraulic braking, optimize the hydrogen release process, and achieve game based collaborative control of the hydrogen storage system. The research results indicate that the proposed method has high energy recovery rate, braking stability, and robustness, which can provide important technical support for the development of electric vehicles.
关键词
电动汽车 /
储氢系统 /
博弈协同控制策略 /
回馈-防抱死制动 /
滑移率 /
电机回馈制动力矩
Key words
electric vehicles /
hydrogen storage system /
game-based collaborative control strategy /
regenerative-anti-lock braking /
slip ratio /
motor feedback braking torque
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基金
国家重点研究开发计划“原子磁强计的集成与测试技术”（：2017YFB0503102）
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