Method and system for locating rolling mounted assemblies of a vehicle

A method and system using a single radio frequency antenna and steering angle-sensitive device accurately locate transponders on steering versus non-steering axles, addressing safety and complexity issues by distinguishing axle types and triggering safety measures.

WO2026139301A1PCT designated stage Publication Date: 2026-07-02MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
MICHELIN & CO (CIE GEN DES ESTAB MICHELIN)
Filing Date
2025-12-17
Publication Date
2026-07-02

AI Technical Summary

Technical Problem

Existing vehicle systems face challenges in accurately locating and distinguishing radio frequency transponders mounted on steering versus non-steering axles, leading to potential safety issues and increased component complexity due to multiple antennas and transmission lines.

Method used

A method and system using a single radio frequency antenna and a steering wheel angle-sensitive device to determine the location of transponders by analyzing the number and dispersion of responses from transponders at different steering angles, allowing differentiation between steering and non-steering axles.

Benefits of technology

Enables precise identification and localization of transponders, enhancing vehicle safety by ensuring correct assembly configuration and triggering safety measures when improper installations are detected.

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Abstract

Disclosed is a method for locating rolling mounted assemblies (40a-1, 40a-2, 40b-1, 40b-2) of a vehicle (2) comprising a device (33) sensitive to the angle of the steering wheel of the vehicle, comprising the following steps: - a phase of detection for a defined length of time while the vehicle is rolling, during which phase at least two values delivered by the device (33) and corresponding to two distinct steering-wheel angles are determined, - a phase of analysis subsequent to the detection phase comprising: for each received signal, determining the identifier; and for each identifier and for each of the two values, determining the number of received signals containing the identifier; and, depending on a comparison of degrees corresponding to each of the two values, for a given identifier, deducing therefrom whether the identifier corresponds to a mounted assembly located on a steered or non-steered axle.
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