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Method and device for controlling automatic starting of engine

A technology of automatic starting and control methods, applied in engine control, machine/engine, electrical control, etc., can solve the problems of vehicle starting shock, slow response of vehicle starting, etc., and achieve the effect of reducing shock phenomenon and improving drivability and comfort

Inactive Publication Date: 2016-10-05
SAIC MOTOR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The hydraulic mechanical automatic transmission has a hydraulic torque converter in its own structure, which can enable the vehicle to start the engine when the transmission chain is connected, but in the process of automatic starting of the vehicle, it is prone to problems such as vehicle starting shock and slow response of vehicle starting

Method used

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  • Method and device for controlling automatic starting of engine
  • Method and device for controlling automatic starting of engine
  • Method and device for controlling automatic starting of engine

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Embodiment Construction

[0028] In the prior art, when the vehicle is connected to the transmission chain and the engine is automatically started, the vehicle is prone to the problem of impact.

[0029] In order to solve the above problems, the technical solution of the present invention provides a control method for automatic engine start, which is used for controlling the automatic engine start of a vehicle using an automatic engine start-stop system.

[0030] figure 1 It is a schematic flowchart of the control method for automatic starting of the engine provided by the technical solution of the present invention.

[0031] Step S1 is executed to obtain a first parameter, and the first parameter includes any one of a brake master cylinder pressure signal and a brake pedal opening signal.

[0032] When the engine of the vehicle is a Start-Stop control system, if the vehicle is in the state of transmission chain connection, when the driver releases the brake pedal and the engine appears an auto start ...

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Abstract

The invention relates to a method and a device for controlling the automatic starting of an engine. The method and the device are used for controlling the automatic starting and stopping system of the engine of a vehicle with a hydraulic mechanical automatic gearbox. The method includes: acquiring a first parameter which includes optional one of a main brake cylinder pressure signal and a brake pedal openness signal; by an automatic gearbox control system, allowing an engine management system to automatically start the engine when the first parameter satisfies a preset condition. By the method, the impact phenomenon, generated during engine starting, of the vehicle can be effectively reduced, and the drivability and comfortableness of the vehicle are increased.

Description

technical field [0001] The invention relates to the technical field of engine control, in particular to a control method for automatic engine start and a control device for automatic engine start. Background technique [0002] When encountering a red light or a traffic jam, the engine start-stop (Start-Stop) control system can automatically turn off the vehicle, thereby saving vehicle fuel consumption and reducing emissions. Under the dual pressure of national emission regulations and vehicle fuel consumption, vehicle manufacturers usually assemble Start-Stop systems on vehicles. [0003] The Start-Stop control system can shut down the engine when the engine is idling. When the engine stops running, the Start-Stop control system will control the vehicle to no longer consume fuel and generate emissions. The conventional Start-Stop control system is a set of control vehicle powertrain (Mainly including the engine and automatic transmission) Start and stop system, judge the st...

Claims

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Application Information

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IPC IPC(8): F02D41/06
Inventor 张东波杨凯周磊陈永龙
Owner SAIC MOTOR