An UHF Band RFID Vehicle Management System

A vehicle management system based on UHF band RFID technology is proposed. This system is applied for vehicle entering/leaving at road gates. The system consists of tag-on-car, reader antenna, reader controller, and the monitoring and commanding software. It could effective control the vehicles passing through road gate and record the vehicles' data. The entering time, leaving time, and tag number of each vehicle are all recorded and saved for further processing. By the benefit of UHF band long distance sensing ability, within nine meter the distance between vehicle and reader antenna, the signal can be accurately detected even the vehicle's speed at nearly 30 km/hr. The monitoring and commanding software can not only identify car owners' identities but also determine the gate to open or not. The accessories: video recording and pressure sensing components are flexible to add for enhancing the system's performance. This system has been tested in many field tests and the results shown that it is suitable for vehicle management and the related applications.