| 摘要 |
A system for controlling the operation of the doors (32) of a railway train, consists of two parts. Firstly, the system provides radio-frequency identification (RFID) tags (18, 20) installed adjacent to each end of each platform (14, 16), the tags (18, 20) being coded with different data which may be interpreted as "door closed" and "door released" respectively. Secondly, there are radio transmitter/receiver units (34) on each side of each carriage (24) in the train to detect the tags (18, 20), these units being mounted on the train in the vicinity of each door (32), and providing an electrical output signal to control opening of that door. This can enable longer trains to be operated, without risk of passengers disembarking where there is no platform adjacent to the train. |
