A vehicle includes a tyre monitor 400 in a wheel arch 404 that is configured to project one or more beams (typically of light) onto a tyre 300, for example at emitter 401, and measure reflections of the beams, suitably at receiver 402. Tyre monitor 400 also comprises memory and one or more processors that build a two-dimensional (2D) profile of the tyre based on the reflections, compare depths of the built profile to depths of a preloaded profile and assess tyre wear based on the comparison. An anti-theft alarm may sound based on the reflections or the lack of reflections. A preloaded profile may be selected based on tyre pressure, tyre temperature and tyre load, and the system may refrain from building a profile if a sensed moisture level exceeds a predetermined level. A search routine may be run, for example when the vehicle is parked, which may rotate the tyre in opposite directions.
Tire monitor
07.03.2018
Patent
Elektronische Ressource
Englisch
TIRE MONITOR SENSOR AND TIRE MONITOR SYSTEM FOR A VEHICLE
Europäisches Patentamt | 2021
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