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Motor vehicle ABS control system and method

A brake anti-lock braking and control system technology, applied in the direction of brakes, etc., can solve the problems that the wheels cannot make full use of the ground braking force and the wheels are completely locked, so as to achieve the effect of short braking distance and improved safety performance

Active Publication Date: 2006-08-09
BYD CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art that the wheels cannot make full use of the ground braking force and the wheels are often completely locked when the motor vehicle is turning and braking, and provide a vehicle that can make the wheels fully use the ground braking force when turning and braking Motor vehicle anti-lock braking (ABS) control system and control method without complete wheel locking

Method used

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  • Motor vehicle ABS control system and method
  • Motor vehicle ABS control system and method
  • Motor vehicle ABS control system and method

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Embodiment Construction

[0021] Specific embodiments of the present invention will be described in more detail below in conjunction with the accompanying drawings.

[0022] The present invention is a control system 10 of a motor vehicle ABS, and the system 10 includes a signal acquisition unit 20, an electronic control unit 30, see figure 1 , the signal acquisition unit can adopt the technology of the existing signal processing unit in the prior art, including GPS 21 for obtaining the center of mass velocity of the motor vehicle, a gyroscope 22 for obtaining angular velocity, and an accelerometer for obtaining acceleration 23, the wheel speed sensor 24 for obtaining the wheel speed, the steering wheel angle sensor 25 for obtaining the steering wheel angle, the electronic control unit 30 includes a data receiving module for enabling the electronic control unit to obtain the data of the signal acquisition unit, and a data receiving module for calculating the wheel side A data processing module for slip ...

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Abstract

The invention relates to controlling system of machine anti-lock brake system including signal collection unit and electron controlling unit comprising date incepting unit, date processing unit and date controlling unit. The mentioned date receiving unit is designed for gathering date of signal gathering unit and the mentioned date processing unit is designed for calculating the listing angle and the gliding ratio, the date controlling unit enacts the threshold value by the corresponding gliding ratio of the peak value of brake power coefficient u when it has the varying side leaning angle, then we can carry ABS controlling via the controlling dictates by comparing the calculated sliding ratio and the enacted the threshold value of sliding ratio. If we adopt the system and means provided by the invention, when machine wheels, every wheel has side leaning angle, if driver applies the brake, so it is assured that the car avoids the deflection and has the shortest braking distance. So it improves the security of the machine. The system is applied for machine running in a beeline.

Description

technical field [0001] The invention relates to a control system and a control method of an anti-lock brake (ABS) of a motor vehicle, and belongs to the field of ABS control of a motor vehicle. Background technique [0002] In the existing motor vehicle control system, it is possible to control the motor vehicle more effectively by obtaining some parameters at the moment of driving of the motor vehicle, such as parameters such as the side slip angle and the slip rate of the motor vehicle. The measurement of the driving parameters of the early motor vehicles was based on various on-board sensors. With the widespread use of GPS, the technology of using GPS technology to calibrate the sensors to obtain the driving parameters of the motor vehicle has been widely proposed. [0003] USP 6681180 provides a method for judging whether the wheels of a motor vehicle are slipping or slipping through GPS based on a two-wheeled motor vehicle model. By using this method, the side slip angl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/86
CPCB60T8/17616B60T2210/36B60T8/172B60T2210/12B60T2230/02B60T2201/16
Inventor 宋佑川
Owner BYD CO LTD
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