Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Construction method and device of vehicle power-assisted steering model

A technology of steering assist and construction method, which is applied in the field of vehicle steering assist model construction, can solve problems such as difficult to realize, and achieve the effect of improving versatility

Pending Publication Date: 2022-06-03
CHINA AUTOMOTIVE INNOVATION CORP
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method and device for constructing a vehicle steering assist model, which solves the problem that it is difficult to realize the quantitative description of the nonlinear mapping relationship between the input voltage signal and the output torque limit signal under the double-slope hysteresis control algorithm

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
  • Construction method and device of vehicle power-assisted steering model
  • Construction method and device of vehicle power-assisted steering model
  • Construction method and device of vehicle power-assisted steering model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Hereinafter, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, unless otherwise specified...

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 discloses a construction method and device of a vehicle power-assisted steering model, and relates to the technical field of automatic driving. According to the specific scheme, the method comprises the steps that a computer device obtains a mapping relation corresponding to each mapping mode in multiple mapping modes, each mapping relation is the relation between a power supply voltage signal of a motor of the vehicle and a power-assisted torque limiting value signal, and the multiple mapping relations are obtained through a double-slope hysteresis control algorithm; the method comprises the following steps: acquiring a plurality of mapping modes, acquiring a plurality of switching conditions existing in the plurality of mapping modes, establishing a vehicle power-assisted steering model according to a mapping relation corresponding to each mapping mode and the plurality of switching conditions, and establishing a library module according to the vehicle power-assisted steering model. According to the method, quantitative description of the complex nonlinear relation between the power supply voltage signal and the power-assisted torque limit value signal of the motor of the vehicle can be accurately and efficiently realized under a double-slope hysteresis control algorithm, and the universality of a vehicle power-assisted steering model is improved.

Description

technical field [0001] The invention relates to the technical field of automatic driving, in particular to a method and device for constructing a steering assist model of a vehicle. Background technique [0002] The dual-slope hysteresis control algorithm is a complex nonlinear control algorithm. This algorithm can not only effectively suppress the high-frequency oscillation of the output signal, but also avoid the discontinuity of the output signal caused by the step hysteresis, so the algorithm can be applied In some fields that require high performance of output signals, for example, the control field of electric power-assisted vehicle steering. [0003] In the control field of electric power-assisted vehicle steering, a dual-slope hysteresis control algorithm can be used to establish a nonlinear mapping relationship between the input voltage signal and the output torque limit signal. However, since the dual-slope hysteresis control algorithm is difficult to quantitative...

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): G05B13/04
CPCG05B13/042
Inventor 李卫东邓念程燃肖辰
Owner CHINA AUTOMOTIVE INNOVATION CORP
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
Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com