Anti-skid control system and method for distributed drive electric vehicle considering vehicle body roll

A technology for electric vehicles and control systems, applied in electric vehicles, control drives, control devices, etc., can solve problems such as unconsidered, and achieve the effect of maintaining stable driving

Inactive Publication Date: 2019-01-25
HIGER
View PDF7 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the body rolls, the influence of the lateral transfer of the tire vertical load caused by the offset of the vehicle's center of mass is not considered, which is quite different from the real driving state of the actual vehicle, especially an electric bus with a large mass

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
  • Anti-skid control system and method for distributed drive electric vehicle considering vehicle body roll
  • Anti-skid control system and method for distributed drive electric vehicle considering vehicle body roll
  • Anti-skid control system and method for distributed drive electric vehicle considering vehicle body roll

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037] Such as figure 1 As shown, a distributed drive electric vehicle anti-skid control system considering body roll, including vehicle controller, torque distribution controller, vehicle speed sensor, driven wheel speed sensor, steering wheel angle sensor, accelerator pedal position sensor, yaw angle sensor, roll sensor, in-wheel motor drive system, and a drive wheel torque distribution calculation module.

[0038] The vehicle controller receives information from the vehicle speed sensor, driven wheel speed sensor, steering wheel angle sensor, accelerator pedal position sensor, yaw angle sensor, and roll sensor, and receives the drive motor speed and torque information forwarded by the torque distribution controller.

[0039] The torque distribution controller receives the motor information transmitted by the motor drive system, and the torque distribution controller directly controls the motor torque to adjust the vehicle speed.

[0040] The vehicle speed sensor collects t...

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 an anti-skid control system of a distributed drive electric vehicle considering vehicle body roll, including vehicle controllers, the measured sensor connected to the vehicle controller, a drive wheel torque distribution calculation module is also included, the measured sensor includes a roll sensor and a yaw angle sensor, according to the measured data of the vehicle and the roll angle and the yaw angle speed of the vehicle, an eight-degree-of-freedom vehicle model is established. The torque ratio of the driving wheels is calculated according to the tire load transferof the driving wheels. The output torque of the two driving wheels is obtained according to the expected output torque. The torque control of the driving motor is carried out by the torque distribution controller. When the vehicle turns on the road with low adhesion coefficient, the output torque of the two driving wheels is calculated and adjusted by the anti-skid control system in order to control the slip rate of the driving wheels and keep the vehicle running stably, taking into account the lateral transfer of the tire vertical load caused by the deviation of the vehicle's center of mass when the vehicle is rolled.

Description

technical field [0001] The invention belongs to the technical field of anti-skid control of distributed drive electric vehicles, and in particular relates to an anti-skid control system and method of distributed drive electric vehicles considering vehicle body roll. Background technique [0002] Compared with traditional electric vehicles, distributed drive electric vehicles cancel the transmission, reducer, differential and steering mechanism, and each driving wheel is driven by a separate hub motor. When the vehicle is turning, if the adhesion coefficient of the road surface is low and the driving torque of the motor exceeds the adhesion limit between the tire and the ground, it will cause the driving wheel to slip excessively, which will easily cause the vehicle to slip and slip, causing traffic accidents. Therefore, reasonable methods need to be adopted to avoid the above problems. [0003] The invention patent with the application number of 201710134285.1 discloses an ...

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): B60L15/20
CPCB60L15/20B60L2240/10B60L2240/12Y02T10/72
Inventor 刘鑫高原徐彬
Owner HIGER
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