To provide a failure determination device and the like for a relative position acquisition system that can accurately determine failure of the relative position acquisition system.SOLUTION: An ECU 10 of a failure determination device receives a wireless LAN signal from a power-transmission-side wireless communication device 33 with a vehicle-side wireless communication device 23 (STEP 3), and determines failure of a relative position acquisition system (STEP 4-6) based on whether formulas (1)-(8) are established in received strengths Lp1-Lp4 of a long wave signal at first to fourth power-transmission-side antennas 41-44 included in the wireless LAN signal.SELECTED DRAWING: Figure 8
【課題】相対位置取得システムの故障を精度よく判定できる相対位置取得システムの故障判定装置などを提供する。【解決手段】故障判定装置のECU10は、送電側無線通信装置33からの無線LAN信号を車両側無線通信装置23で受信し(STEP3)、無線LAN信号に含まれる第1〜第4送電側アンテナ41〜44での長波信号の受信強度Lp1〜Lp4において、式(1)〜(8)が成立しているか否かに基づき、相対位置取得システムの故障を判定する(STEP4〜6)。【選択図】図8
FAILURE DETERMINATION DEVICE AND FAILURE DETERMINATION METHOD FOR RELATIVE POSITION ACQUISITION SYSTEM
相対位置取得システムの故障判定装置及び故障判定方法
2021-10-07
Patent
Electronic Resource
Japanese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme |
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