Mobility

Development of Fishplate Tampering Detection System for Railway Security Based on Wireless Sensor Network

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Executive Summary

Intelligent sensors with cognitive ability when wirelessly networked can be deployed in a wide range of applications. This paper reports a novel fishplate tampering detection system for railway security based on wireless sensor network. Fishplates are tampered when the nuts and bolts are loosened so that the railway lines wouldn't remain perfectly aligned, leading to derailment of trains. The existing efforts use long length fibre optic cables which are complex to install and expensive. The smart system with cognitive wireless sensors proposed in this paper employs sensitive, cost effective and flexible piezoresistive pressure sensors which show large changes in resistances as soon as the nuts and bolts of the fishplates are loosened.

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