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Vehicle antiskid control system and method based on datum combination

A technology of data fusion and control method, applied in the direction of ABS control system, brake, etc., can solve the problems of relying on vehicle parameters, restricting practicability and promotion, and poor effect.

Inactive Publication Date: 2017-09-01
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Slip rate based antiskid control tends to not work well when all wheels are active (driving / braking)
[0003] For this reason, some researchers have abandoned the application of slip ratio. In the application of distributed drive electric vehicles, they have proposed anti-skid control based entirely on mechanics, such as the MFC proposed by Yoichi Hori, Hiroshi Fujimoto, Dejun Yin, etc. MTTE and other methods, but these control methods are heavily dependent on vehicle parameters and require accurate motor torque output (this requires a relatively high cost), which restricts the practicability and promotion of these methods

Method used

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  • Vehicle antiskid control system and method based on datum combination
  • Vehicle antiskid control system and method based on datum combination
  • Vehicle antiskid control system and method based on datum combination

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Embodiment Construction

[0040] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0041] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0042] According to some embodiments of the present invention, a vehicle anti-skid control method based on data fusion, thro...

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Abstract

The invention provides a vehicle antiskid control system based on datum combination. The vehicle antiskid control system comprises at least one acceleration sensor and an angular velocity sensor which are fixed to a vehicle body. According to the control system, by using the geometrical relation between the sensors and wheels, an approximate acceleration value A2 over the ground near the wheel landing places is calculated based on the mechanics principle, and the relation of the acceleration value A2 and an acceleration value A1 of the actual circumference velocity of the wheels near the landing places is used to control and drive the torque output of the wheels, so that all the wheels have a good antiskid control effect in any state.

Description

technical field [0001] The invention relates to the technical field of vehicle driving / braking control, in particular to a vehicle anti-skid control system and anti-skid control method based on data fusion. Background technique [0002] A vehicle braking system with an electronic anti-skid control function belongs to the prior art. Known vehicle braking systems can brake the individual wheels of the vehicle independently of the driver's wishes, such as anti-lock braking systems (ABS) for preventing wheel locks, traction distribution control systems ( TCS), in order to make the vehicle into a stable form of device (Electronic Stability System ESP), in order to eliminate the slippage of the driving wheel (Drive anti-skid control system ASR), etc., these are all bottom wheel control, need to be based on the wheel slip rate (Slip Ratio) to proceed. However, the calculation of slip ratio often requires the use of information from other wheels. When all the wheels are in workin...

Claims

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Application Information

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IPC IPC(8): B60T8/1761
CPCB60T8/1761B60T2210/13B60T2270/10
Inventor 殷德军单丹凤张婷
Owner NANJING UNIV OF SCI & TECH
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