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Abstract
The 60% of accidents in railways are due to track problems which lead to derailment. This project presents the system for automatic crack detection in railway tracks. This project can help to detect the cracks or breakages in railway tracks if any before the train passes and the alert signal is sent to the train operator and the brakes are applied automatically to stop the train. The automatic crack detection system is constructed using vibration sensors and MEMS technology. Accelerometer sensor is used to detect the crack which has speed response to vibrations. MEMS are used to detect the track deviations and dislocations. MEMS is Micro Electro Mechanical System that combines electrical and mechanical components. In this project MEMS are used to check the status of the railway tracks and RF modules are used to transmit and receive the signal. Arduino is used to compare the input signals with threshold value at transmitter side. This project is cost effective and simple.