A system comprises a first sensor on a first end of a vehicle and an on-board controller coupled to the first sensor. The first sensor is configured to detect a radio frequency (RF) signature of a marker along a guideway. The first sensor is a radar detection device. The on-board controller is configured to determine a first position of the vehicle on the guideway or a first distance from the position of the vehicle to a stopping location along the guideway based on at least the RF signature received from the first sensor. The marker is a metasurface plate comprising a first diffused element, a first retroreflector element, a first absorbing element and a second diffused element between the first retroreflector element and the first absorbing element.
GUIDEWAY MOUNTED VEHICLE LOCALIZATION AND ALIGNMENT SYSTEM AND METHOD
FÜHRUNGSSCHIENENMONTIERTES FAHRZEUGLOKALISIERUNGS- UND -AUSRICHTUNGSSYSTEM UND -VERFAHREN
SYSTÈME ET PROCÉDÉ DE LOCALISATION ET D'ALIGNEMENT DE VÉHICULE MONTÉ SUR UNE VOIE DE GUIDAGE
2020-11-25
Patent
Electronic Resource
English
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