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Method for determining the angular position of an electronic module fixed to the inner face of the tread of a tire

An electronic module, angular position technology, applied in tire measurement, tire parts, measurement devices, etc., can solve the problem of different measurement environments

Active Publication Date: 2014-01-22
CONTINENTAL AUTOMOTIVE FRANCE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, when the electronic module is fixed to the inner surface of the tire tread, the measurement environment is completely different: at each revolution, the electronic module is in contact with the ground and is thus subjected to an impact, rendering the strategy of determining the angular position of said electronic module ineffective

Method used

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  • Method for determining the angular position of an electronic module fixed to the inner face of the tread of a tire
  • Method for determining the angular position of an electronic module fixed to the inner face of the tread of a tire
  • Method for determining the angular position of an electronic module fixed to the inner face of the tread of a tire

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Embodiment Construction

[0032] The invention described below with reference to the accompanying drawings proposes a method for determining the angular position of an electronic module fixed to the inner surface of the tire tread of a vehicle wheel.

[0033] In order to apply the method, as figure 1 As shown, a vehicle 1 has wheels, for example indicated by 2, each wheel conventionally comprising a rim 3 fitted with a tire 4 and a system for monitoring a parameter such as pressure or temperature of each tire 4, essentially comprising communication with each The electronic module 5 associated with the wheel 2.

[0034] Such as figure 1 Each of these electronic modules 5 is shown on the inner surface of the tread 4 a of the tire 4 . Furthermore, to allow servicing, the module is inserted into a flexible socket 6 bonded to the tread 4 a and made of plastic material, suitable to form a retaining shape “cavity” capturing the electronic module 5 .

[0035] In addition, if figure 2 As shown, each electr...

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Abstract

Method for determining the angular position of an electronic module fixed to the inner face of the tread of a tire fitted to a wheel of a vehicle. A sensor for measuring the radial acceleration of the wheel is integrated into the electronic module, measuring at least one measurement of the radial acceleration for determining the value of the period of revolution of the wheel, and detecting a variation of the radial acceleration representative of a position of the electronic module contacting the ground, the position of the electronic module in which the variation is detected is assigned the origin function of a frame of reference defined by the origin and a reference unit formed by an angular sector whose length is substantially shorter than the mean length of the footprint of the grounded tire, and the angular positions of the electronic module in the frame of reference are determined.

Description

technical field [0001] The invention relates to a method of determining the angular position of an electronic module fixed to the inner surface of the tread of a vehicle equipped with a tyre, during the rotation of the wheel of said tyre. Background technique [0002] It is increasingly common for motor vehicles to have monitoring systems for safety purposes with sensors mounted on each wheel of the vehicle for measuring parameters such as pressure or temperature of the tires fitted on those wheels with the aim of informing Any unusual changes in driver measured parameters. [0003] These monitoring systems conventionally have an electronic module mounted on each wheel of the vehicle, which, in addition to the aforementioned sensors, includes a microprocessor and a radio frequency transmitter, while the system also has a central unit for receiving the signals sent by the transmitter signal, including a computer containing a radio frequency receiver connected to an antenna. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/172
CPCB60C23/0459G01P15/165B60C23/0493B60C23/0416B60C23/0489B60C23/064
Inventor N.吉纳特J-P.博伊塞特
Owner CONTINENTAL AUTOMOTIVE FRANCE
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