The invention relates to the field of vehicle braking, in particular to the field of braking of electric vehicles, and particularly relates to a vehicle braking control method and device and a vehicle braking system. A braking force generation scheme for the total required braking force of the vehicle, in which energy recovery braking is performed when the vehicle speed is greater than a first speed; when the vehicle speed is smaller than the first speed and larger than the second speed, motor reverse connection braking and mechanical braking are executed, and braking force generated by motor reverse connection braking and braking force generated by mechanical braking are superposed; when the vehicle speed is less than the second speed, mechanical braking is performed, and the braking force is generated by the mechanical braking. The combination of three braking modes of energy recovery braking, motor reverse connection braking and mechanical braking is achieved, the braking effect is guaranteed, electric energy consumed under the low-speed condition is reduced, and the problem that a mechanical braking device is overheated or fails due to frequent braking when a vehicle goes downhill for a long time or runs at a high speed is solved.
本申请涉及车辆制动领域,尤其涉及电动车辆的制动领域,具体涉及一种车辆制动控制方法、装置及车辆制动系统。针对车辆总需求制动力的制动力产生方案,其中,当车辆速度大于第一速度时,执行能量回收制动;当车辆速度小于第一速度并大于第二速度时,执行电机反接制动和机械制动,电机反接制动产生的制动力和机械制动产生的制动力叠加;当车辆速度小于第二速度时,执行机械制动,由机械制动产生制动力。实现了能量回收制动、电机反接制动、机械制动三种制动方式的结合,保证制动效果、减少低速情况下消耗的电能,避免车辆在长时间下坡或者高速行驶时频繁制动导致的机械制动装置过热或者失灵的问题的发生。
Vehicle braking control method and device and vehicle braking system
一种车辆制动控制方法、装置及车辆制动系统
2022-07-01
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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