Signalling solution for railway diamond crossing using weight sensor for passenger safety

Sharad Nigam

International Journal of Critical Infrastructures, 2025, vol. 21, issue 4, 413-432

Abstract: Railway double diamond crossing is a complex junction where four trains can approach the junction at the same time, but only two parallel opposite trains can cross the junction at the same time and non-parallel trains must wait for clear junction. The concurrent access of diamond crossing by multiple trains caused accidents from last decades due to signalling conflicts. This article is proposing a wireless sensor network model with LoRa communication technique and weight sensor to automate all signals related to double diamond crossing. Weight sensor is used as a train detection method to measure the threshold weight of the incoming train, then all diamond crossing signals change their aspect according to input data. Reliability and accuracy of weight sensor in any atmospheric and flood condition is shown. A novel weight sensor-based algorithm is proposed in the presented manuscript to automate all related signal aspects for the safe movement of a train with minimum time delay through double diamond crossing.

Keywords: double diamond crossing; weight sensor/load cell; LoRa; Arduino; WSN. (search for similar items in EconPapers)
Date: 2025
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