An altitude of the vehicle from an external electronic source and an external temperature is received from a temperature sensor are received. An external relative humidity is determined. Based upon the altitude, the temperature, and the external relative humidity, an estimated barometric pressure is determined. An air pressure of a tire is received. An adjustment is made to the received pressure to obtain a corrected pressure. The amount of adjustment is based upon the estimated barometric pressure and the adjustment is applied to the air pressure to obtain a corrected tire pressure. An evaluation is made of the corrected tire pressure to determine when an alert should be presented to a user. When the alert is determined, the alert to the user is presented to the user.
Apparatus and method for compensating for atmospheric pressure in a TPMS system
2016-12-13
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60C VEHICLE TYRES , Fahrzeugreifen |
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