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Automotive lateral stability control device

A technology of lateral stability and control devices, which is applied to steering mechanisms, vehicle components, transportation and packaging, etc., and can solve problems such as increasing the braking distance of automobiles and reducing the braking performance of automobiles

Pending Publication Date: 2018-05-04
TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing vehicle lateral stability control system, the lateral stability of the vehicle is generally maintained through the braking force of the vehicle, but this method will reduce the braking performance of the vehicle and may increase the braking distance of the vehicle

Method used

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Experimental program
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Embodiment Construction

[0009] The best implementation mode of the present invention will be described below in conjunction with the accompanying drawings.

[0010] 1. Composition of vehicle lateral stability control device

[0011] An automobile lateral stability control device, comprising a steering hydraulic cylinder 1, a steering push rod 2, a steering arm 3, a vehicle body lateral acceleration sensor 11, a vehicle body yaw rate sensor 12, a wheel lateral force sensor 13, a hydraulic pump 14, a The valve 15, the liquid reservoir 16 and the automobile lateral stability controller ECU are composed, such as figure 1 shown.

[0012] For the vehicle lateral stability control device, when the vehicle is in a lateral instability situation, the oil pressure of the steering hydraulic cylinder 1 is controlled through the control of the vehicle lateral stability controller ECU, and the steering push rod 2, the steering arm 3, the steering Joint 5, steering wheel 6 control the steering of the vehicle and i...

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Abstract

The invention discloses an automotive lateral stability control device. According to the device, automotive lateral stability states can be estimated by the aid of body lateral acceleration speed, body heading angle speed and wheel lateral acting force information, components such as a hydraulic pump and a hydraulic cylinder of the automotive lateral stability control device are controlled, a rotation angle of a steering wheel is controlled, and automotive lateral stability is improved. According to the device, braking force of a brake system is not controlled in the improving process of the automotive lateral stability, so that the brake performance and lateral stability of an automobile can be simultaneously ensured.

Description

technical field [0001] The invention relates to an automobile safety device, especially a safety device for controlling the lateral stability of an automobile. Background technique [0002] When the car is turning sharply at high speed or braking on a road with low adhesion coefficient, it may appear unstable situations such as head swing and tail flick due to the reduction of road adhesion. In the existing vehicle lateral stability control system, the lateral stability of the vehicle is generally maintained through the braking force of the vehicle, but this method will reduce the braking performance of the vehicle and may increase the braking distance of the vehicle. Contents of the invention [0003] The problem to be solved by the present invention is to overcome the deficiencies in the background technology, and propose a vehicle lateral stability control device, which can monitor the vehicle lateral stability through the lateral acceleration of the vehicle body,...

Claims

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Application Information

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IPC IPC(8): B62D15/02
CPCB62D15/025
Inventor 张蕾董恩国
Owner TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
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