Rollover prevention control system for vehicle and crane

A control system and anti-rollover technology, applied in the field of vehicles, can solve problems such as rollover, achieve the effect of preventing vehicle rollover, reducing vehicle roll angle, and improving vehicle safety and stability

Active Publication Date: 2016-03-30
SANY AUTOMOBILE HOISTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention proposes a vehicle anti-rollover

Method used

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  • Rollover prevention control system for vehicle and crane
  • Rollover prevention control system for vehicle and crane

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Embodiment Construction

[0018] 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. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] Combine below figure 1 and figure 2 , the preferred embodiment of the present invention is described in further detail,

[0020] Such as figure 1 As shown, for a vehicle with a longitudinal leaf spring type non-independent suspension, the upper mass m of the suspension rotates a roll angle φ around the roll center R of the suspension, and the suspension exerts a moment T against the roll ,

[0021] T=2·Fs·q

[0022] Among them, q is half of the center distance of the spring, FS is the increment of the spring force caused by the roll angle φ in one side of the spring;

[0023] FS=Cs·φ·q

[0024] where Cs is the stiffness of the leaf spring on one side.

[0025] Therefore: T=2·Cs·q2...

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PUM

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Abstract

The invention discloses a rollover prevention control system for a vehicle. The rollover prevention control system for the vehicle comprises a controller, an angle sensor used for detecting the angle of a steering gear, and a vehicle speed sensor used for detecting the traveling speed of the vehicle. The angle sensor feeds the angle of the steering device back to the controller. The vehicle speed sensor feeds the traveling speed of the vehicle back to the controller. The controller judges the safety state of the vehicle according to the angle, fed back by the angle sensor, of the steering device and the traveling speed, fed back by the vehicle speed sensor, of the vehicle; if the vehicle is in an unsafe state, the controller starts an auxiliary vehicle brake or improves the rigidity of a vehicle suspension or increases the reverse height difference between an internal vehicle steering suspension and an external vehicle steering suspension or decreases the overall height of the vehicle suspension. According to the rollover prevention control system for the vehicle, the safety state of the vehicle is judged actively according to the vehicle speed and the angle, active safety protection is provided for the vehicle, and the safety performance and stability of the vehicle are good.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a vehicle anti-rollover control system and a crane. Background technique [0002] In recent years, vehicle rollover accidents, as an important safety issue, have received more and more attention. Statistics from the U.S. Highway Traffic Safety Administration show that in automobile accidents, the degree of danger of rollover is second only to collision accidents. However, there are still few researches on the dynamic stability and early warning of vehicle rollover during high-speed sharp turns. [0003] People mainly improve the safety performance of automobiles from two aspects, that is, to improve the passive safety performance of automobiles and to improve the active safety performance of automobiles. The former refers to the effective protection of drivers and occupants through passive safety systems (such as shock absorbing devices, linkage locking devices and other accessories, et...

Claims

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Application Information

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IPC IPC(8): B60G17/016
CPCB60G17/0162B60G2300/06B60G2400/204B60G2400/41B60G2500/22B60G2800/0124
Inventor 沈川钟明辉郭瑞
Owner SANY AUTOMOBILE HOISTING MACHINERY
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