Rail Traffic Applications
Powered by Sensor Line's proprietary fiber optic technology (SL FORPS), Quarterhill delivers analysis systems, sensors, and electronics for a wide range of applications across the rail sector. The complex design of these high-precision sensors ensures reliable measurements that are immune to electromagnetic interference. All of these applications can be implemented with a single sensor, with additional use cases continually emerging from the measurement and evaluation of vertical impact data.
Flat Wheel Detection
Wheels on rail vehicles are exposed to extreme stress and high loads. Defects such as flat spots increase noise pollution and vibration, driving up maintenance costs. Quarterhill's flat wheel detection solution, powered by Sensor Line's fiber optic sensors (SL FORPS) and electronics, identifies signs of wear immediately, minimizing damage to rail vehicles and tracks and reducing the risk of derailment caused by wheel damage.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Weigh in Motion (WIM)
A measuring accuracy of +/– 3% is achievable when weighing trains in motion, thanks to Sensor Line's SL FORPS technology and the intelligent algorithms of Quarterhill's qualified system integration partners. Combined with other functionalities such as speed, vibration, and flat wheel measurement, this enables accurate conclusions about actual load and impact on infrastructure and rolling stock, forming the basis for predictive maintenance and helping avoid costly, sudden material failures and downtime.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Axle & Wagon Counting / Train Length
Knowing who uses rail infrastructure, and how, is essential to evaluating actual load and impact on both infrastructure and rolling stock. Auto-ID technologies can only detect assets that are labeled accordingly. Quarterhill's axle and wagon counting solution, powered by Sensor Line's SL FORPS technology, recognizes what's moving on the track independent of labeling. While system integrators often combine various sensor and identification methods, SL FORPS technology enables comprehensive, complete data collection on its own.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Track Bed Analysis
The stress and condition of the ballast and track bed are decisive factors in the durability, availability, and safety of track systems, and damage to the track can have serious consequences. Quarterhill's track bed analysis solution, powered by Sensor Line's fiber optic technology (SL FORPS), measures the smallest changes in indirect forces on the track, for example those caused by one-sided loads. Long-term measurement detects damage at an early stage, reducing risk and protecting infrastructure.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Vibration Analysis
Quarterhill's vibration analysis solution, powered by Sensor Line technology, is insensitive to electromagnetic interference and ideal for detecting shocks and vibrations. Fiber optic rail pad sensors (SL FORPS), installed between rail and sleeper, ensure reliable and precise measurement. The resulting vibration analysis forms a basis for predictive maintenance and helps reduce operating costs.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Speed Measurement
The faster a train moves, the greater the impact of vibration on rail infrastructure and rolling stock, especially when a train exceeds the permitted speed, which has an immediate, outsized impact on the line, tracks, track bed, and vehicle itself. Quarterhill's speed measurement solution, powered by Sensor Line technology, is one of the most reliable methods for tracking this risk. Avoiding excessive speed is essential to controlling maintenance and repair costs, and speed data can also help narrow down potential causes in the event of damage or accidents.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
Direction Detection
A train’s direction of travel is also essential to rail safety. Knowing which direction a train is authorized to travel, and in which direction it’s actually moving, can help prevent disasters. That Quarterhill’s fiber optic rail pad sensors (SL FORPS), powered by Sensor Line technology, can supply this data as a byproduct of their raw measurements demonstrates the exceptional flexibility and universal applicability of the underlying technology.
Powered By
- SL FORPS UIC 60
- SL FORPS UIC60 HS
- SL FORPS UIC 54
- SL FORPS S 49
- SL Customized
- SL XD 1100
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