PROBLEM TO BE SOLVED: To accurately register, as a candidate ID, ID information on a transmitter of a wheel of an own vehicle while suppressing ID information on a transmitter of a wheel of the other vehicle from being registered as a candidate ID.SOLUTION: ID information is determined not to be ID information on a transmitter of an own vehicle and excluded from candidate IDs even if the ID information have been registered as a candidate ID and if a frame therefor has not been received at all during a predetermined period. It is thereby possible to accurately register ID information on a transmitter of a wheel of the own vehicle while suppressing ID information on a transmitter of a wheel of the other vehicle from being registered as a candidate ID. Furthermore, a volume of data stored in a memory of a TPMS-ECU can be reduced and it is possible to suppress a memory capacity from becoming full.SELECTED DRAWING: Figure 8
【課題】他車両の車輪の送信機のID情報が候補IDとして登録されることを抑制しつつ、自車両の車輪の送信機のID情報が的確に候補IDとして登録されるようにする。【解決手段】候補IDとして登録されたとしても、所定期間中に1度もフレーム受信されなかったID情報については、自車両の送信機のものではないとして、候補IDから除外する。これにより、他車両の車輪の送信機のID情報が候補IDとして登録されることを抑制しつつ、自車両の車輪の送信機のID情報が的確に候補IDとして登録されるようにできる。また、TPMS−ECUのメモリに記憶させるデータ量を減少させられ、メモリ容量に達してしまうことを抑制できる。【選択図】図8
WHEEL POSITION DETECTION DEVICE AND TIRE PNEUMATIC PRESSURE DETECTION SYSTEM WITH SAME
車輪位置検出装置およびそれを備えたタイヤ空気圧検出システム
2016-08-04
Patent
Elektronische Ressource
Japanisch
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