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A high-response chassis anti-rollover control system and anti-rollover control method adjusted by resistance

A control system and resistance adjustment technology, applied in the field of vehicle engineering, can solve problems such as unstable functions, and achieve good passability, good riding comfort, and clear control logic

Active Publication Date: 2022-06-28
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ESP is only limited to work reliably and stably when the road surface adhesion conditions are relatively good. For road surfaces with poor adhesion conditions, such as ice, snow, muddy roads, etc., the function is unstable.

Method used

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  • A high-response chassis anti-rollover control system and anti-rollover control method adjusted by resistance
  • A high-response chassis anti-rollover control system and anti-rollover control method adjusted by resistance
  • A high-response chassis anti-rollover control system and anti-rollover control method adjusted by resistance

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Experimental program
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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and embodiment, the present invention will be further described:

[0024] In this embodiment, the necessary conditions for rollover are: the axle-to-load ratio of the left and right sides becomes infinite, that is, one of the tires is fully loaded, the other tire is off the ground, and the normal support force is 0N.

[0025] like Figure 1-4 As shown, a high-response chassis anti-rollover system that can be adjusted by resistance includes a shock absorber 1 , a main control unit 2 , a sensor 3 and an adjustable load resistance 4 .

[0026] In this embodiment, the shock absorber 1 is the main execution component, which includes a rack and pinion transmission part, a gear box 1f and a motor 1g. The rack and pinion transmission part includes a casing 1a, a pinion shaft 1b, a rack 1c and a bearing seat 1d. The function of the rack and pinion is, on the one hand, to convert the linear excitation of the road surface into the r...

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Abstract

A high-response chassis anti-rollover control system and anti-rollover control method through resistance adjustment, which belong to the field of vehicle engineering technology. The system is composed of a shock absorber, a main control unit, a sensor and an adjustable load resistance connection. The system is scientific. The control logic is clear, through the cooperation of the rack and pinion transmission mechanism and the motor, and by changing the value of the adjustable resistance, better passability and ride comfort can be obtained respectively. The suspension system shock absorber is combined with semi-active control and active control. By changing the value of the adjustable resistance, the car is guaranteed not to overturn to the greatest extent, and it is suitable for various road surfaces with adhesion conditions, especially for road surfaces with poor adhesion conditions.

Description

technical field [0001] The invention belongs to the technical field of vehicle engineering, relates to a chassis anti-rollover system and a control method, and in particular relates to a high-response chassis anti-rollover system and an anti-rollover control method adjusted by resistance. Background technique [0002] During the driving process, the vehicle is prone to side slip or rollover. According to statistics, 25% of traffic accidents causing serious casualties are caused by sideslip, and 60% of fatal traffic accidents are caused by side impact. At present, cars usually use ESP, that is, electronic stability program, which integrates three systems: ABS (anti-lock braking system), BAS (brake assist system), and ASR (acceleration anti-skid control system). The state information is analyzed, and correction commands are sent to ABS and ASR to help the vehicle maintain dynamic balance, especially in the case of oversteer or understeer. However, ESP is only limited to reli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/015B60G17/016B60G17/018B60G17/019B60G17/06
CPCB60G17/0157B60G17/016B60G17/018B60G17/01908B60G17/01933B60G17/06B60G2202/42B60G2400/05B60G2400/204B60G2400/40B60G2800/91
Inventor 关栋李竞沈辉高悦文龚俊杰张纯韩雪潘必宇杨征睿朱仲文
Owner YANGZHOU UNIV
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