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RAIL SAFETY – Why GPS cannot be the final decision

Rail automation has been revolutionizing the way trains operate, providing greater efficiency and safety to rail transportation. Global Positioning System (GPS) is one of the key components of rail automation that enables precise positioning and control of rolling stock. However, relying solely on GPS can bring significant risks and challenges to rail automation systems, leading to potential failures that can compromise safety and operations.


GPS technology works by using a network of satellites that orbit the earth and transmit signals to GPS receivers, allowing the calculation of the precise location and speed of the receiver. However, GPS signals can be affected by various factors, including atmospheric conditions, obstructions, and signal interference, among others. These factors can lead to inaccuracies in GPS readings, which can have serious consequences in rail automation.


Challenges of relying solely on GPS for rail automation

One of the primary challenges that GPS can bring to rail automation is the potential for signal loss. In areas with limited satellite coverage or obstructions such as tunnels or tall buildings, GPS signals can be weak or lost altogether. This can cause the train to lose its positioning and control, leading to dangerous situations such as collisions or derailments.


Moreover, GPS signals can also be susceptible to signal interference, which can occur due to various reasons such as electronic jamming or equipment malfunction. Such interference can result in incorrect or inconsistent GPS readings, leading to errors in train positioning and control.


Another issue that can arise with GPS is the possibility of cyber-attacks that can compromise the system's security and functionality. Hackers can disrupt or manipulate GPS signals, leading to inaccurate or false positioning data. This can result in dangerous situations for trains that rely on GPS for positioning and control.


The need for redundancy and alternative positioning technologies in rail automation

In addition to these risks, GPS can also bring operational challenges to rail automation systems. GPS data can be affected by various environmental factors, such as changes in atmospheric conditions or vegetation growth, leading to errors in train positioning and control. Moreover, GPS technology requires continuous maintenance and updating to ensure accuracy and reliability, which can be costly and time-consuming.


While GPS is a critical component of rail automation, it should not be relied upon solely for train positioning and control. Multiple redundant systems and safety measures should be in place to ensure that trains operate safely and efficiently in all conditions. A combination of GPS and other positioning technologies such as RFID can provide a more robust and reliable solution for rail automation. 

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January 17, 2025
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By Wilson Antunes December 6, 2024
Automatic Equipment Identification (AEI) is a vital development for the railway sector, enabling the automated identification and monitoring of assets such as railcars and locomotives. This technology optimizes resources, lowers costs, and improves operational accuracy and efficiency. The Pre-Digital Era and Manual Identification at the Inception of AEI The railway sector used manual processes like spreadsheets and paper records before automation. These techniques lacked scalability, were slow, and were prone to human error. Automation was unavoidable due to the need for more effective solutions, which signaled the start of the industry's technological transformation. The First Automated Solutions: Barcode Automation began with the advent of barcodes in the 1970s. Although the technology improved precision and dependability, it had operational drawbacks, such as the requirement for optical readers that were properly calibrated, which limited its use in challenging railroad settings. In 1967, the colorful barcode system known as KarTrak, or KarTrak ACI (Automatic Car Identification), was deployed in North America to track railcars automatically. Although initially adopted, it was abandoned by 1977 due to technical problems such as dirt buildup on labels, inadequate maintenance, and low reliability. The system's failure brought to light the difficulties the railroad industry had in implementing computerized tracking, which caused more developments to be postponed until the 1980s. AEI's RFID Wave By enabling contactless, in-motion reading, Radio Frequency Identification (RFID) transformed AEI in the 1980s. With readers placed in strategic locations and transponders mounted on railcars, the system guaranteed increased effectiveness, longevity, and minimal maintenance expenses. RFID is included into Intertechrail's state-of-the-art solutions, which include personalized tracking and monitoring systems that adhere to international standards set by the Association of American Railroads (AAR). Technological Developments: Cloud-Based Solutions and IoT With the incorporation of cloud-based platforms and the Internet of Things (IoT) starting in 2010, AEI changed. Real-time monitoring, maintenance predictions, and the use of big data to optimize operations are made possible by solutions such as those offered by Intertechrail. These technologies improve the industry's level of efficiency by tracking location as well as load and railcar characteristics. Expanded AEI and Intelligent Tracking Systems in the Modern Era Nowadays, AEI incorporates sensors that detect pressure, temperature, and weight in real time, going beyond simple identification. Operations are safer and more transparent when advanced automation is paired with blockchain technology for secure data capture. Intertechrail systems are a prime example of this development, introducing innovation and dependability to rail transportation worldwide. Impact on the Railway Sector By cutting expenses, improving logistical effectiveness, and avoiding operating disruptions, AEI has revolutionized the railway industry. Technologies that minimize maintenance and operational failures have also improved safety, while resource and route optimization has lessened the environmental impact of the sector. AEI's Future in the Railway Industry With compatible technologies linking international railway networks, AEI is heading toward complete automation. In addition to predicting failures, artificial intelligence also claims to foresee market trends and requests. Leading this development are businesses such as Intertechrail, who are creating solutions that will influence the railway industry's future. By transforming the railway sector from its primitive practices to the sophisticated technologies of today, AEI has raised the bar for sustainability, efficiency, and safety. A Trusted Partner in Railway Progress Intertechrail has been actively involved in the technological advancement of the railway industry for more than 20 years. One of our main fields of expertise is creating and implementing AEI solutions, which are always in line with the requirements of a market that is continually changing. Our dedication throughout the years has been to deliver systems that not only meet but also surpass the demands of contemporary rail transportation, helping to create a more connected, safe, and effective future. Ready to take the next step in railway innovation? Contact out team today to learn how our AEI solutions can drive your operations forward and help shape the future of rail transportation.
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