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Starting control method and system for vehicle and vehicle

A control method and technology of a control system, applied in the field of the engine of a vehicle, can solve the problems of increasing the intake air volume, increasing the fuel consumption, affecting the economy of the whole vehicle and the cost of use, and improving the robustness and torque reservation. Effect

Inactive Publication Date: 2021-02-12
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Increasing the air intake will increase the fuel consumption and affect the economy and cost of the vehicle

Method used

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  • Starting control method and system for vehicle and vehicle
  • Starting control method and system for vehicle and vehicle
  • Starting control method and system for vehicle and vehicle

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Embodiment Construction

[0049]The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0050]figure 1 It is a flowchart of a starting control method for a vehicle according to an embodiment of the present invention. Such asfigure 1 As shown, the present invention provides a starting control method for a vehicle, including:

[0051]S10: Collect the pressure value of the brake master cylinder of the vehicle or the longitudinal acceleration of the vehicle in real time;

[0052]S20: Determine whether the driver of the vehicle has the intention to start according to the pressure value of the brake master ...

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Abstract

The invention provides a starting control method and system for a vehicle and the vehicle, and relates to the technical field of engines of vehicles. The starting control method comprises the steps ofcollecting a pressure value of a brake master cylinder of the vehicle or the longitudinal acceleration of the whole vehicle in real time; judging whether a driver of the vehicle has a starting intention or not according to the pressure value of the brake master cylinder or the longitudinal acceleration of the whole vehicle; and if so, enabling the engine to reserve a compensation torque. The starting control method provided by the invention can realize stable starting.

Description

Technical field[0001]The present invention relates to the technical field of vehicle engines, in particular to a starting control method, system and vehicle for a vehicle.Background technique[0002]Under normal circumstances, during the starting process of an automatic transmission car, due to the load impact generated by the coupling of the clutch, it will cause the drop or fluctuation of the engine speed, cause the shock or shaking of the whole vehicle, and have a negative impact on the starting quality and the user's driving experience. .[0003]Conventional solutions are generally optimized through two aspects: one is that the transmission control unit controls the coupling speed of the clutch to reduce the impact of load intervention; the other is that the engine control unit increases the air intake to obtain stronger idle speed adjustment ability. But these two schemes have their drawbacks. Slowing down the clutch engagement speed will slow down the starting speed and weaken the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/18
CPCB60W30/18027
Inventor 王希斐万冬王荫
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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