Railway monitoring is performed to make sure that the railway tracks are okay to handle trains. Railway tracks have the tendency to shift a bit from its original layout; however, the tracks are made in a manner that brings the track on its original route. Nevertheless, in some cases it may happen that the tracks do not get on their original positions due to reasons such as environmental calamities or construction activities nearby rail tracks. This prompts companies to undertake railway monitoring to ensure that everything of the system is in place.
Rail monitoring is usually carried out by moving high speed rail cars or an inspection vehicle over railway tracks to record the condition and direction of the track. Several geometric parameters are automatically recorded at every 900 mm and the data is stored to compare it to previously recorded data of the same track. The data generated in one run is enormous and railway monitoring techniques are well developed to handle such data, compare them and give appropriate readings. Places where there is deviation found between the current and previous records are taken note of and inspected for possible damage and repair procedures.
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