The invention discloses an electric automobile parking multi-redundancy control system which comprises two caliper belt parking mechanism assemblies arranged on two rear wheels of an electric automobile correspondingly, and the front wheels and the rear wheels of the electric automobile are each connected with a hub motor assembly. The caliper and parking mechanism assembly and the hub motor assembly are connected with the chassis module coordination controller assembly, and the chassis module coordination controller assembly can selectively execute a first control strategy and a second control strategy based on the current parking gradient and the fault type; when the first control strategy is executed, at least one caliper belt parking mechanism assembly provides clamping force; and when the second control strategy is executed, at least one hub motor assembly provides reverse torque for the rear wheel. According to the parking multi-redundancy control system for the electric automobile, linkage between the hub motor and the parking function is coordinated, one function fails, the other function is supplemented in time, self-adaptive redundancy control is achieved, and the stability of the parking function is ensured; by means of the characteristic that the hub motor of the electric automobile can independently drive each wheel, an adaptive safe parking strategy is designed according to different complex working conditions of the automobile, independent completion is achieved through a control system, human interference is not needed, and the safe reliability and driving comfort of the automobile are improved.
本发明公开了一种电动汽车驻车多冗余控制系统,包括分别设置于电动汽车的两个后车轮上的两个卡钳带驻车机构总成,电动汽车的前车轮和后车轮分别与一个轮毂电机总成连接,卡钳带驻车机构总成和轮毂电机总成与底盘模块协调控制器总成连接,底盘模块协调控制器总成基于当前驻车坡度和故障类型,可选择性的执行第一控制策略和第二控制策略;执行第一控制策略时,至少由一个卡钳带驻车机构总成提供夹紧力;执行第二控制策略时,至少由一个轮毂电机总成向后车轮提供反向力矩。本发明的电动汽车驻车多冗余控制系统,协调轮毂电机与驻车功能间的联动,一个功能失效另一个功能及时补充,实现自适应冗余控制,确保驻车功能的稳定性;可以利用电动汽车轮毂电机可以独立驱动每个车轮的特点,针对车辆不同的复杂工况,设计适配的安全驻车策略,且有控制系统独立完成,勿需人为干涉,提高车辆的安全可靠性和驾驶舒适性。
Electric vehicle parking multi-redundancy control system and vehicle
电动汽车驻车多冗余控制系统和车辆
2024-08-16
Patent
Electronic Resource
Chinese
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