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Wheel rotating speed measurement method and device based on wheel-loaded intelligent sensing

A technology for measuring device and wheel speed, applied to devices using electric/magnetic methods, tire measurement, vehicle components, etc., can solve the problem of real-time monitoring of ABS wheel speed sensor wheel speed and deceleration, lack of real-time monitoring of ABS wheel speed Problems with sensor failure, accuracy, etc.

Inactive Publication Date: 2009-07-08
SOUTH CHINA UNIV OF TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the wheel speed monitoring method is to use the measurement method of collecting the wheel speed through the wheel ABS wheel speed sensor (non-monitoring system). There is a problem that it is difficult to monitor the wheel speed and deceleration of the ABS wheel speed sensor itself in real time. Wheel speed sensor failure, effective means of accuracy

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  • Wheel rotating speed measurement method and device based on wheel-loaded intelligent sensing
  • Wheel rotating speed measurement method and device based on wheel-loaded intelligent sensing
  • Wheel rotating speed measurement method and device based on wheel-loaded intelligent sensing

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Embodiment Construction

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings:

[0033] This embodiment provides a method for wheel speed measurement based on a wheel-mounted intelligent sensor.

[0034] see figure 1 , the specific process of the wheel-mounted in-vehicle speed measurement is as follows:

[0035] Step 10 Read the set parameters and process the parameters accordingly.

[0036] Step 11 Determine whether the measured data is newly measured data? If yes, go to step 12; if no, go to step 17.

[0037] Step 12 Digitally filter the new measurement data.

[0038] Step 13 Gravity acceleration compensation processing obtains the centripetal acceleration of the wheel.

[0039] Step 14: Analyze and predict the real-time wheel speed data.

[0040] Step 15 Output the speed data and display the data in real time. ...

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Abstract

The invention relates to a wheel speed measuring method and a device based on a wheel load type intelligent sensor. The centripetal specific force acceleration of a wheel is measured by an MEMS acceleration sensor, and the centripetal acceleration of the operation of the wheel is obtained through signal filtration and gravity acceleration compensation so as to calculate the wheel speed. The device comprises a wheel load wheel rotating speed measuring module and a central control module in a vehicle, wherein the wheel load wheel rotating speed measuring module is arranged on the surface of the hub of the wheel, and comprises a micro inertial measuring unit, a micro controller, a wireless receiving and transmitting unit and a power module; the central control module in the vehicle comprises a wireless receiving and transmitting unit, a digital signal processor, a man-computer interactive unit and a power module; and the wheel load wheel rotating speed measuring module and the central control module in the vehicle are provided with two-way communication function.

Description

technical field [0001] The invention relates to the monitoring of the safe running state of motor vehicles, in particular to a wheel speed measurement method and device using a wheel-mounted intelligent sensor. Background technique [0002] The monitoring technology of motor vehicle operation safety status is the main means to ensure the safe driving of motor vehicles, and it is also the inevitable trend of the development of motor vehicle operation safety detection technology. Use the motor vehicle operation safety state monitoring technology to dynamically monitor the motor vehicle operation safety state and operation indicators, detect and prevent motor vehicle failures in time, develop a safety monitoring network system that integrates monitoring, control, management and decision-making, and ensure the safe operation of motor vehicles. It is of great significance; it is a major social welfare technical work related to the safety of life and property of the country and th...

Claims

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Application Information

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IPC IPC(8): G01P3/42B60C23/00
Inventor 刘桂雄林创鲁潘梦鹞冯源
Owner SOUTH CHINA UNIV OF TECH