To provide a signal reception/transmission angle localization method for a tire air pressure monitoring system, which calculates angle localization by an AOA (arrival angle) localization method or an AOD (transmission angle) localization method to acquire final position information.SOLUTION: The signal reception/transmission angle localization method comprises: a signal trigger step of triggering a transmission antenna of a tire air pressure detector to transmit a wireless signal; a signal reception step of receiving the wireless signal by a reception antenna of a reception device and setting a direction for transferring the wireless signal from the tire air pressure detector to the reception device as a linear distribution direction; and an azimuth angle calculation step of calculating an included angle held between the linear distribution direction and an intersection point of a straight line for connecting two optional transmission antennas, calculating an included angle held between the linear distribution direction and an intersection point of a straight line for connecting two optional reception antennas, and calculating information about the azimuth of a tire on the basis of the included angles.SELECTED DRAWING: Figure 2
【課題】角度の定位は、AOA(到着角度)定位方法、又はAOD(送信角度)定位方法によって計算されて、最終的な位置情報を得るタイヤ空気圧監視システム用信号受発信角度定位方法を提供する。【解決手段】信号受発信角度定位方法は、タイヤ空気圧検出器の送信アンテナをトリガーして、無線信号を送信する信号トリガーステップと、受信装置の受信アンテナが無線信号を受信し、無線信号がタイヤ空気圧検出器から、受信装置へ転送する方向をリニア配信方向とする信号受信ステップと、リニア配信方向と任意の二つの送信アンテナを接続する直線の交点との間の挟角を計算し、又はリニア配信方向と任意の二つの受信アンテナを接続する直線の交点との間の挟角を計算して、挟角によって、タイヤの方位の情報を計算する方位角度計算ステップと、を含む。【選択図】図2
SIGNAL RECEPTION/TRANSMISSION ANGLE LOCALIZATION METHOD FOR TIRE AIR PRESSURE MONITORING SYSTEM
タイヤ空気圧監視システム用信号受発信角度定位方法
2022-12-20
Patent
Electronic Resource
Japanese
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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