23-07-2012, 04:56 PM
AUTOMATIC RAILWAY STATION DISPLAY
AUTOMATIC%20STATION%20DISPLAY%20IN%20TRAIN.pdf (Size: 419.26 KB / Downloads: 90)
INTRODUCTION
It is the system , that display the forthcoming station in the compartment
There are many method is exiting
Low cost & low power compare with other methods
This is simple and economic
PRINCIPLE OF OPERATION
Unique property of railway-there is no obstacle.
Ultrasonic signal tran-upward which is reflected by the electrical post and counted
Receiver detected and set the counter &compare store values
station name displayed
ADVANTAGES
PORTABLE MODULES
EASY TO USE
SIMPLE & CHEAP
EASY TO IMPROVE
LIMITATION
LESS EFFIENCY
HIGH ERROR PROBABILITY