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Hybrid vehicle starting engine control method

A hybrid vehicle and control method technology, applied in hybrid vehicles, motor vehicles, transportation and packaging, etc., can solve problems such as inability to take into account driving conditions, and achieve the effect of quickly responding to vehicle power requirements and starting the engine smoothly

Pending Publication Date: 2021-12-10
GUANGZHOU AUTOMOBILE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: the current hybrid vehicle uses a single control method for starting the engine to control the starting engine, which cannot take into account all driving conditions.

Method used

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Embodiment Construction

[0047] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] In describing the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", The orientation or positional relationship indicated by "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a spec...

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Abstract

The invention discloses a hybrid vehicle starting engine control method, which comprises the following steps: acquiring vehicle state data, entering a target starting stage based on the vehicle state data, and executing a starting control strategy corresponding to the target starting stage; monitoring whether an engine starting request in the target starting stage is activated or not; and if the engine starting request is activated in the target starting stage, controlling a starting execution controller to conduct starting work according to a preset vehicle starting engine starting strategy. According to the method, the engine can be effectively and stably started, and meanwhile the vehicle power requirement is rapidly responded.

Description

technical field [0001] The invention relates to the technical field of automatic control of automobiles, in particular to a control method for starting an engine of a hybrid electric vehicle. Background technique [0002] At present, when a hybrid vehicle is running in pure electric mode, when the driver steps on the accelerator to accelerate, the vehicle needs to start the engine to convert from pure electric mode to hybrid mode, so as to provide enough power for the whole vehicle to meet the driver's needs. driving needs. However, to start the engine during the start of the vehicle, it is necessary to control the torque transmitted by the K1 / K2 clutch to ensure a smooth start of the vehicle, and at the same time to control the K0 clutch to start the engine quickly and smoothly, and a single control method for starting the engine cannot take into account all driving conditions , to meet the needs of starting the engine quickly and stably. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/00B60W20/15B60W10/06B60W10/08B60W10/02
CPCB60W20/00B60W20/15B60W10/06B60W10/08B60W10/02B60W2510/10B60W2510/0604B60W2520/10B60W2510/081B60W2510/02B60W2510/0638B60W2710/06B60W2710/02B60W2710/083
Inventor 彭耀润王秀发李晓波邓云飞熊杰刘正伟
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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