Patent 9315111 was granted and assigned to Proterra Inc on April, 2016 by the United States Patent and Trademark Office.
A method of charging an electric vehicle at a charging station may include driving the vehicle towards the charging station, and using a plurality of RFID tags and one or more RFID readers to determine a relative position of the charging interface of the vehicle with respect to the charge head assembly of the charging station. The method may also include engaging the charge head assembly with the charging head, and charging the vehicle.