Investigation of rail defects using an ultrasonic inspection method: a case study of Aksaray-Airport Light Rail Transit Line in Istanbul

Yılmaz, Halil; Öztürk, Zübeyde

doi:10.2495/ut150561

WIT Transactions on the Built Environment

2015

DOI: 10.2495/ut150561

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Investigation of rail defects using an ultrasonic inspection method: a case study of Aksaray-Airport Light Rail Transit Line in Istanbul

Halil Yılmaz¹,

Zübeyde Öztürk²

Abstract: Both ballasted and non-ballasted railway superstructures have been highly affected by the increased traffic on railway lines, heavier axle loads and higher train speeds. These forces acting on rails can lead

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A Review on Rail Defect Detection Systems Based on Wireless Sensors

Zhao

Liu

et al. 2022

Sensors

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Small defects on the rails develop fast under the continuous load of passing trains, and this may lead to train derailment and other disasters. In recent years, many types of wireless sensor systems have been developed for rail defect detection. However, there has been a lack of comprehensive reviews on the working principles, functions, and trade-offs of these wireless sensor systems. Therefore, we provide in this paper a systematic review of recent studies on wireless sensor-based rail defect detection systems from three different perspectives: sensing principles, wireless networks, and power supply. We analyzed and compared six sensing methods to discuss their detection accuracy, detectable types of defects, and their detection efficiency. For wireless networks, we analyzed and compared their application scenarios, the advantages and disadvantages of different network topologies, and the capabilities of different transmission media. From the perspective of power supply, we analyzed and compared different power supply modules in terms of installation and energy harvesting methods, and the amount of energy they can supply. Finally, we offered three suggestions that may inspire the future development of wireless sensor-based rail defect detection systems.

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A Review on Rail Defect Detection Systems Based on Wireless Sensors

Zhao

Liu

et al. 2022

Sensors

View full text Add to dashboard Cite

show abstract

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Investigation of rail defects using an ultrasonic inspection method: a case study of Aksaray-Airport Light Rail Transit Line in Istanbul

Abstract: Both ballasted and non-ballasted railway superstructures have been highly affected by the increased traffic on railway lines, heavier axle loads and higher train speeds. These forces acting on rails can lead

Cited by 1 publication

References 10 publications

A Review on Rail Defect Detection Systems Based on Wireless Sensors

A Review on Rail Defect Detection Systems Based on Wireless Sensors

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