The invention discloses a starting control method and device for a hybrid electric vehicle, and belongs to the technical field of new energy automobiles. The starting control method includes the steps that when an engine is in a started state and the gear of a transmission is a neutral position, a brake is controlled to be in a started state, a clutch is controlled to be in a closed state, and an electric oil pump establishes oil pressure for the transmission; when the gear is a forward gear or a reverse gear, the clutch is controlled to be in a slip wear state, the output torques of the engine and a motor are 0 Nm, and the transmission and a transmission mechanism are disconnected; when the rotating speed of the engine is not smaller than the target rotating speed of the engine, the clutch is controlled to be in an open state; when the time for oil pressure establishment is not shorter than the set time, the transmission and the transmission mechanism are controlled to be connected; and when the clutch is in the open state and the gear is the forward gear or the reverse gear, the output torque of the engine is controlled to be the first torque, and the output torque of the motor is controlled to be the second torque. Smooth starting of the hybrid electric vehicle is achieved.
Starting control method and device for hybrid electric vehicle
2016-02-24
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 |
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