The invention discloses a vehicle and a vehicle hill starting control method and a hill starting control apparatus, wherein the method comprises: acquiring vehicle speed, an accelerator opening degree, engine rotation speed, clutch shaft speed, road slope and clutch output torque; calculating vehicle acceleration torque and vehicle resistance torque based on the clutch output torque, the road slope and the clutch shaft speed; calculating the target vehicle speed based on the road slope and the accelerator opening degree; calculating the target acceleration torque of a vehicle based on the difference value between the calculated target vehicle speed and the vehicle speed, the road slope and the accelerator opening degree; calculating the torque that an engine needs and the clutch target torque based on the target acceleration torque of the vehicle, the vehicle resistance torque and the engine rotation speed; and controlling the engine output torque to reach the torque that the engine needs and the clutch output torque reach the clutch target acceleration torque so as to make the vehicle speed reach the target vehicle speed and the vehicle acceleration torque reach the target acceleration torque of the vehicle, thus controlling the vehicle speed and the vehicle acceleration speed and rapidly realizing the intention of a driver.
Vehicle and vehicle hill starting control method and hill starting control apparatus
2016-01-13
Patent
Electronic Resource
English
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 |
Hill starting auxiliary system, vehicle and vehicle hill starting control method
European Patent Office | 2021
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