The invention relates to the technical field of automobile control, in particular to a sliding energy recovery control method and system. Comprising the steps of performing terrain recognition on a vehicle driving pavement, and calculating a pavement energy recovery coefficient according to the driving pavement terrain; estimating the vehicle weight, and calculating a vehicle weight energy recovery coefficient according to the current estimated vehicle weight; the ramp condition of the vehicle driving road is identified, and a ramp energy recovery coefficient is calculated according to the ramp condition of the driving road; identifying a curve of a vehicle driving road, and calculating a curve energy recovery coefficient according to the driving state of the vehicle on the curve; calculating an initial energy recovery coefficient at the current moment; calculating a corrected energy recovery coefficient at the current moment; and the corrected energy recovery torque at the current moment is obtained. According to the method, the sliding energy can be recycled to the maximum extent, the driving comfort, stability and controllability are ensured, and both sliding energy recycling and driving experience are considered.
本发明涉及汽车控制技术领域,具体地指一种滑行能量回收控制方法及控制系统。包括:对车辆行驶路面进行地形识别,根据行驶路面地形计算路面能量回收系数;对车辆重量进行估算,根据当前估算的车重计算车重能量回收系数;对车辆行驶道路的坡道情况进行识别,根据行驶道路的坡道情况计算坡道能量回收系数;对车辆行驶道路的弯道进行识别,根据车辆在弯道的行驶状态计算弯道能量回收系数;计算当前时刻的初始能量回收系数;计算当前时刻的修正能量回收系数;获得当前时刻的修正能量回收扭矩。本申请能最大程度的回收滑行能量并确保驾驶的舒适性、稳定性和操控性,兼顾了滑行能量回收和驾乘体验。
Sliding energy recovery control method and control system
滑行能量回收控制方法及控制系统
2024-04-19
Patent
Electronic Resource
Chinese
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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