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Vehicle driving control method and system

A vehicle power and vehicle technology, applied in the field of vehicles, can solve problems such as failure to meet vehicle power requirements, single consideration of engine work efficiency, work efficiency limitations, etc.

Active Publication Date: 2021-05-18
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the working efficiency of the engine is only considered in the driving process of the vehicle. When the vehicle has a large power demand, it is easily limited by the working efficiency and cannot meet the power demand of the vehicle.

Method used

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  • Vehicle driving control method and system
  • Vehicle driving control method and system

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0029] At present, most hybrid vehicles have pure electric drive mode, series operation mode and parallel operation mode. Among them, the pure electric drive mode is to realize the drive of the vehicle through the cooperation of high-voltage battery and drive motor (the generator is only activated after the engine is started). running, so it does not run in this mode), the series operation mode is to realize the drive of the vehicle through the series operation of the engine, generator and drive motor, and the parallel operation mode is to realize the drive of the vehicle through the separate operation of the engine, generator and drive motor. Different vehicles have different proportions for each mode in the operation process, some are mainly in series operation mode, and some are mainly in parallel operation mo...

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Abstract

The invention relates to the technical field of vehicles, and provides a vehicle driving control method and system. The vehicle driving control method comprises the steps that request information reflecting the power requirement of a user for a vehicle and performance information reflecting the power performance of the vehicle are obtained; when the comparison result of the request information and the performance information shows that the power performance of the vehicle cannot meet the power requirement of a user for the vehicle, whether the vehicle meets the condition of activating a parallel operation mode or not is judged according to the request information and the performance information; and under the condition that the vehicle meets the condition for activating the parallel operation mode, the parallel operation mode of the vehicle is activated, so that the vehicle outputs power corresponding to the request information in the parallel operation mode. According to the invention, the vehicle can meet the larger power demand of a user.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a vehicle drive control method and system. Background technique [0002] Hybrid vehicles are the combination of traditional internal combustion engine vehicles and pure electric vehicles, and have the advantages of both internal combustion engine vehicles and pure electric vehicles. Most hybrid vehicles have the following three operating modes: pure electric operating mode (the engine does not work), series operating mode (the engine and the drive motor work in series) and parallel operation mode (the drive motor and the engine work in parallel). different operating modes. [0003] At present, only the working efficiency of the engine is considered in the driving process of the vehicle. When the vehicle has a large power demand, it is easily limited by the working efficiency and cannot meet the power demand of the vehicle. Contents of the invention [0004] In view of this, ...

Claims

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Application Information

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IPC IPC(8): B60W20/20B60W20/10B60W10/06B60W10/08
CPCB60W20/20B60W20/10B60W10/06B60W10/08B60W2710/0644B60W2710/0666B60W2710/083Y02T10/62B60K6/442B60W10/11B60W20/30B60W2510/0657B60W2510/0638B60W2510/081B60W2510/085B60W2510/083B60W2510/1005B60W2520/10B60W2710/081B60W2710/086B60W2710/1005B60W2540/10B60W2510/0666B60W2510/24
Inventor 李云飞陈其林
Owner GREAT WALL MOTOR CO LTD
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