Abstract
The trolley contactors installed on trolley wires are used to detect streetcars' positions and control their routes. The passage of a streetcar is detected when the pantograph contacts the mechanical switch of the trolley contactor. This requires periodic maintenances in high places, which are heavy burdens. Global Navigation Satellite System (GNSS) has been considered as an alternative to the trolley contactors. The accuracy of GNSS varies greatly depending on the surrounding environment. It is necessary to evaluate the accuracy of streetcar position detection using GNSS in advance. We propose the evaluation technique for the accuracy of streetcar position detection using GNSS.
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