Automatic gearbox operation control method, automatic gearbox and vehicle

A technology of automatic transmission and control method, applied in the field of vehicle transmission, can solve the problem of frequent entry and exit times of neutral coasting mode, etc.

Pending Publication Date: 2022-08-09
WEICHAI POWER CO LTD
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to at least solve the problem that the number of times of entering and exiting the neutral gliding mode is relatively frequent only because the driver frequently steps on the accelerator.

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
  • Automatic gearbox operation control method, automatic gearbox and vehicle
  • Automatic gearbox operation control method, automatic gearbox and vehicle
  • Automatic gearbox operation control method, automatic gearbox and vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

[0034]It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a," "an," and "the" can also be intended to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence...

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 relates to an automatic gearbox operation control method, an automatic gearbox and a vehicle. The control method comprises the steps that a first operation state parameter of the vehicle is obtained; judging whether the first running state parameter meets a first preset condition or not; the automatic gearbox is controlled to enter a neutral sliding state according to the first running state parameter meeting a first preset condition; acquiring an opening parameter of an accelerator pedal; judging whether the opening parameter meets a second preset condition or not; and the automatic gearbox is controlled to exit the neutral sliding state according to the opening parameter meeting a second preset condition. According to the control method provided by the invention, the entering and exiting frequency of the neutral sliding mode is reduced, the time proportion of neutral sliding is increased, the fuel consumption of the whole vehicle is reduced, and the thermal management performance is improved.

Description

technical field [0001] The present invention relates to the technical field of vehicle gearboxes, in particular to a method for controlling the operation of an automatic gearbox, an automatic gearbox and a vehicle. Background technique [0002] This section provides merely background information related to the present disclosure and is not necessarily prior art. [0003] Electronically controlled mechanical transmission (Automated Mechanical Transmission, AMT) does not require the driver to shift gears, greatly reduces labor intensity, and can also save fuel consumption, so it is more and more common for vehicles to match AMT. As an optional control strategy of AMT automatic transmission, when the driver releases the accelerator pedal, after the allowable time, the transmission will control the clutch and the transmission will be in neutral, which reduces the transmission resistance of the transmission system, allowing The whole vehicle glides farther, so as to achieve 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 Applications(China)
IPC IPC(8): F16H59/24F16H59/44F16H61/20
CPCF16H59/24F16H59/44F16H61/20F16H2061/0015F16H2061/207F16H2312/10Y02T10/60
Inventor 赵伟左兰裴滨王万鹏田莉
Owner WEICHAI POWER 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