Vehicle gear shifting method, system and vehicle

A gear shifting method and vehicle technology, which is applied in the field of systems, vehicles, and vehicle gear shifting methods, and can solve problems such as affecting driving experience, weakening vehicle acceleration, and loud engine roar

Active Publication Date: 2021-08-20
GREAT WALL MOTOR CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, when shifting gears, due to the additional load added to the engine, compared with when shifting gears without additional loads, the acceleration of the vehicle will be weakened, and it may be accompanied by a loud roar of the engine, which will affect the driving experience.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicle gear shifting method, system and vehicle
  • Vehicle gear shifting method, system and vehicle
  • Vehicle gear shifting method, system and vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0030] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0031] figure 1 is a flow chart of a gear shifting method for a vehicle according to an embodiment of the present invention.

[0032] Before describing the gear shifting method of the vehicle according to the embodiment of the present invention, firstly, the vehicle is explained, and the vehicle includes an engine and a BSG (Belt Driven Starter Generator, Belt Drive Starter Generator) motor. That is: the vehicle is a hybrid vehicle, such as figure 2 As shown, the vehicle includes an engine, a BSG motor, and an automatic transmission. The engine transmits power to the BSG motor through a belt. For example, when the engine is working, it can drive the BSG motor to charge the battery, an...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a vehicle gear shifting method, system and vehicle. Wherein, the vehicle includes the engine and the BSG motor, and the shifting method of the vehicle includes: obtaining the basic shift point corresponding to the current accelerator pedal opening and the full-load charging shift point of the BSG motor, and the first shift point corresponding to the full-load charging shift point of the BSG motor The first vehicle speed is greater than the second vehicle speed corresponding to the basic shift point; obtain the charging load factor corresponding to the current charging torque of the BSG motor; determine the final shift point according to the charging load factor, the basic shift point and the full-load charging shift point of the BSG motor , wherein the third vehicle speed corresponding to the final shift point is located between the first vehicle speed and the second vehicle speed; the gear shift is performed according to the final shift point. The gear shifting method of the vehicle of the present invention can adjust the gear shifting time accordingly according to the difference in the load when the engine adds an extra load, thereby effectively improving the acceleration performance of the vehicle and reducing the roar of the engine, and improving the driving experience .

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to a vehicle gear shifting method, system and vehicle. Background technique [0002] Compared with fuel vehicles, hybrid vehicles have the advantages of energy saving and emission reduction, and usually include an engine and a BSG (BeltDriven Starter Generator) motor. Because the BSG motor sometimes needs to be driven by the engine to charge the load (battery), that is : Equivalent to the engine sometimes adding extra load. At this time, when shifting gears, due to the additional load added by the engine, compared with when shifting gears without additional loads, the acceleration of the vehicle will be weakened. At the same time, it may be accompanied by a loud roar of the engine, which will affect the driving experience. Contents of the invention [0003] In view of this, the present invention aims to propose a gear shifting method for a vehicle. The method can adjust the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B60W30/19
CPCB60W30/19
Inventor 张炎许少华郭小雷李景富范超雄贾晔松李洪起丰长征安广林张海彬李涛
Owner GREAT WALL MOTOR CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap