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Monitoring Railway Infrastructure

Listening to Railways

We enable transition to a more digital railway, turning standard optical fibres into sensitive vibration sensors gathering data along the length of the railway. Using digital twins, AI, and machine learning, railway data is turned into a multitude of insights, including track condition monitoring, landslide and rockfall detection, security surveillance and more.

The insights Sensonic provide enables better decisions for a safer and more efficient railway.

One Technology – Multiple Insights

Using the simplicity of a single optical fiber combined with the power of advanced sensing, algorithms, machine learning and artificial intelligence, multiple railway insights are revealed by listening railway vibrations.

A single common hardware platform supports all insight applications, so railways can implement one or many applications to fit their needs both now and in the future.

Insights Available

  • Landslide / Rockfall detection
  • Security monitoring (trespass / digging / cable events)
  • Catenary flashover location
  • Track condition monitoring

Find more on these below or contact us for more information.

Landslide and Rockfall Monitoring

Our natural hazard detection system warns railways in near-real-time of potential landslides or rockfalls along their route. This supports operators to take action to:

  • Avoid accidents
  • Maintain safety of staff and passengers
  • Prevent further damage to infrastructure and rollingstock
  • Precisely locate the issue for inspection/repair

Unlike traditional discrete point sensors that only detect local disturbances around each sensor, the Sensonic solution listens to every metre of fiber laid along the track delivering detection along the entire route. One sensing unit can monitor up to 80km of track.

Security Monitoring

The Sensonic security solution monitors entire routes covertly for activities that may pose a threat to railway security. These include human footsteps (trespass), ground digging, or cable events from the vibrations they make detected by fiber optic cables alongside the track. It provides both real-time actionable alerts, together with recording event history to allow effective risk profiling and planning of preventative security measures.

  • 24/7 Surveillance of railway routes
  • Covert and difficult to evade
  • Sensor-free monitoring of long distances
  • Proven performance for linear and remote assets

Whether looking to tackle trespass or curb cable theft, the power yet simplicity of listening for intrusion using hidden and passive sensing delivers simple to roll out security for difficult to defend rail assets.

Catenary Flashover Location

We detect the location of a flashover fault to enable appropriate inspections and repairs to be carried out. No longer to teams have to manually inspect entire route sections looking for tell-tale damage.

  • Find flashover faults quickly
  • Get lines re-energised faster
  • Reduce disruption
  • Improve worker safety / reduce time on track
  • Avoid “no fault found” inspections

Flashover events are often brief, but potentially damaging to the catenary system. To deliver the highest levels of availability and reliability, we must quickly recover service yet not miss opportunities to recognise and repair damage caused. Accurate location information for flashover events provides the most efficient way to tackle both challenges.

Track Condition Monitoring

The Sensonic Track Condition Monitoring (TCM) application delivers railway operators and maintenance teams improves insight into the changing condition of their track assets. Vibration data from passing trains is gathered by lineside fiber optic cables to track performance changes.

  • Identify emerging faults quickly – every train generates data
  • Combine current and historical performance to trend and forecast performance
  • Optimise and prioritise maintenance activities

We listen to the vibration signature of track under every passing train to generate a digital SonicTwin® of the track asset. We use heat-maps to highlight areas of change and determine trends to enable more efficient track maintenance strategies.

Why Use Sensonic Fiber Optic Sensing?

  • Multiple insights from one system
  • 24/7 monitoring of your rail network
  • Limited or no additional equipment on-track
  • Simple and scalable rollout: Just power, internet and fiber optic cable

Read more

Sensonic News

How to Secure Railway Infrastructure

How to Secure Railway Infrastructure

Sensonic offers some tips on how to secure railway infrastructure from vandalism, theft, terrorism and more.

Catenary Flashovers – the Basics and How to Find Them Fast

Catenary Flashovers – the Basics and How to Find Them Fast

Sensonic analyses what a flashover is, why flashovers are damaging to the overhead catenary system and more.

Detecting Landslides and Rockfalls – Preventing Railway Accidents

Detecting Landslides and Rockfalls – Preventing Railway Accidents

Sensonic prevents landslide and rockfall-related railway accidents using DAS, a single sensor that can detect vibrations along 80km of route.

How to Combat Cable Theft in Railways?

How to Combat Cable Theft in Railways?

Sensonic's security solution can detect ground digging activities and people walking near the track before any cables have been cut.

Sensonic Videos

Sensonic Images

Sensonic – Listening to Railways to reveal insight

Sensonic - listening to railways to reveal insight

Sensonic – Rockfall and Landslide Detection

Rockfall and landslide detection

Sensonic – Security for Cable Theft Prevention

Security for cable theft prevention

Sensonic Track Condition Monitoring Vibration Heatmap

Track condition monitoring vibration heatmap

Sensonic optical vibration sensing equipment

Sensonic optical vibration sensing equipment

Sensonic – Distributed Acoustic Sensing operating principle

Distributed Acoustic Sensing operating principle

Sensonic Documents

Sensonic Social

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