Monitoring Systems / FEBUS DTS, DAS, DSS - FIBER OPTIC

FEBUS DTS, DAS, DSS-FIBER OPTIC

New generation of optical fiber based sensor system for the maintenance and monitoring of infrastructures

The patented technology uses state of the art optical physics to measure temperature, strain and vibrations of a structure or soil over tens of kilometers.
Distribuited Fiber-Optic solutions allow monitoring the integrity of infrastructures such as pipelines, umbilicals, wells, power cables, civil engineering structures, perimeter intrusion detection, or transportation infrastructure monitoring.
The technology uses innovative optoelectronic architecture and unique HPC (High Performance Computing) signal processing algorithm to measure accurately temperature, strain and vibrations over tens of kilometers. Robust and easy to use, Febus Optics devices are fully “plug and work”.

Products:

  • FEBUS G1-R DISTRIBUTED STRAIN AND TEMPERATURE SENSING;
  • FEBUS A1-R DISTRIBUTED ACOUSTIC SENSING;
  • FEBUS G1-C DISTRIBUTED STRAIN AND TEMPERATURE SENSING;
  • FEBUS G1-D DYNAMIC DISTRIBUTED STRAIN AND TEMPERATURE SENSING.

Applications:

  • Structural Health Monitoring;
  • Pipeline monitoring;
  • Cable integrity monitoring;
  • Intrusion detection.

STRUCTURAL HEALTH MONITORING
Ageing management of large scale structures, such as Nuclear Power Plants, Tunnels or Dams is a key issue for infrastructure owners. With little investment on monitoring with distributed sensing, lifetime can be significantly increased,security improved, and maintenance costs reduced.

FEBUS G1-R, G1-C, G1-D, as DSTS systems (Distributed Strain and Temperature Sensing) offer a large panel of monitoring possibilities with respectively: high sensitivity, low consumption and dynamic sensing. Real-time monitoring can also be a critical asset, especially for transportation facilities such as railways or viaduct.

For these applications, FEBUS A1 (Distributed Acoustic Sensing system) can be a precious monitoring asset for vehicle localization, axle failure detection or Eigenmodes frequency determination.

PIPELINE MONITORING

FEBUS A1 (DAS: Distributed Acoustic Sensing) and FEBUS G1-R (DTS: Distributed Temperature Sensing and DSS: Distributed Strain Sensing) products, bring an integrated Pipeline Integrity Monitoring Solution (PIMS) by merging strain, acoustic and temperature measurements in one single mode fiber optic cable.

FEBUS OPTICS PIMS (Pipeline Integrity Monitoring Solution) ensure a real-time, permanent and simultaneous detection, every meter along several tens of kilometers, of the following events:

  • Gas and oil Leak detection;
  • Geo-hazard detection such as landslides, mudslides and earthquakes;
  • Third Party Interference such as manual excavation, hot tapping, third-party excavation, heavy machine movement, position and scrap tracking as well as agricultural activities.

CABLE INTEGRITY MONITORING

Power Cable related incidents account for 80% of insurance claims and around 60% relate directly to cable damage during construction of offshore windfarm. Thus, cable monitoring is becoming essential. FEBUS G1-R, G1-C, G2 (DSTS) and A1 (DAS) bring not only temperature monitoring over very long distance, RTTR (Real Time thermal Rating), shock and vibration monitoring but also a unique real time integrity monitoring during each phases of the cable life cycle: transportation, transpooling, deployment and operation.It is now possible to monitor the bending radius, tension and traction of the cable during installation as well as fatigue for dynamic cable.

INTRUSION DETECTION

Perimeter security for highly sensitive area such as:

  • Oil and gas facilities
  • Border
  • Storage plants
  • Power plants
  • Militar restricted areas

Furthermore, NOVATEST offers, personalized services such as

  • Implementation survey;
  • Fiber-optic deployment (through experienced partner);
  • On demand specific analysis modules and customized GUI (guided user interface);
  • Interoperability with SCADA or equivalent;
  • 2-years guaranty (part and labor) and optional.

FEBUS G1-R – DISTRIBUTED STRAIN AND TEMPERATURE SENSING

  • Strain and Temperature Monitoring;
  • Unique measurement speed: 1km/1s measurement;
  • Single Ended;
  • Optimized for harsh conditions;
  • Easy to install and easy to use;
  • On demand software and interface development.

FEBUS G1-R GENERAL PRINCIPLE

FEBUS G1-R device provides Strain and Temperature information typically every 1 m along several tens of kilometers along an optical fiber deployed on the infrastructure. This system is specifically designed to meet harsh environment requirements with energy saving configuration and single- ended connection to the optical fiber sensing cable.

KEY PERFORMANCE:

  • Temperature and Strain repeatability: Down to 0.2°C or 4 microns/m;
  • Range: Up to 100 km (more with optical repeaters);
  • Sampling Interval: From 0.1 m to 20m;
  • Spatial resulotion: From 1 m to 20m (Down to 0.25 m with the Spatial Resolution Enhancement Algorithm);
  • Acquisition time: Down to 0.1 s.

APPLICATIONS LINKED TO G1-R

  • Pipeline Monitoring;
  • Structural Health Monitoring;
  • Cable Integrity.

FEBUS A1-R – DISTRIBUTED ACOUSTIC SENSING

  • Vibration Monitoring;Single-ended;
  • Phase and amplitude monitoring;
  • Easy to install and easy to use;
  • Optimized for harsh conditions;
  • On demand software and interface development.

FEBUS-A1 GENERAL PRINCIPLE

FEBUS A1-R device provides Acoustic sensing typically every 2 m along several tens of kilometers with optical fiber cable deployed on the infrastructure. The FEBUS A1-R device can be connected to optical fiber cables already in place. The only requirement is for the optical fiber to be single-mode. This system is specifically designed to meet harsh environment requirements with single-ended connection to the optical fiber sensing cable.

KEY PERFORMANCES

  • Range: 50 km (100 km with optical repeaters);
  • Sampling Interval: 0.4 to 12.8 m;
  • Gage length: tunable from 1 to 50 m;
  • Acquisition Frequency: up to 50 kHz;
  • Noise Floor (with standard fiber): 10 pstrain.

APPLICATIONS LINKED TO A1-R

  • Pipeline Monitoring;
  • Structural Health Monitoring;
  • Cable Monitoring;
  • Intrusion Detection.

FEBUS G1-C DISTRIBUTED STRAIN AND TEMPERATURE SENSING

  • Strain and Temperature Monitoring;
  • Compact and Autonomous;
  • Single Ended;
  • Optimized for harsh conditions;
  • Easy to install and easy to use;
  • On demand software and interface development.

FEBUS G1-C GENERAL PRINCIPLE

FEBUS G1-C device provides Strain and Temperature information every 1 m along several tens of kilometers along an optical fiber deployed on the infrastructure. This system is specifically designed for services purposes allowing quick and easy Brillouin measurement wherever it is required. The system meets the harsh environment requirements with energy saving configuration and single- ended connection to the optical fiber sensing cable.

KEY PERFORMANCE

  • Form Factor: Rugged Case (551 x 358 x 226 mm)Power Consumption: 100 W (1.5 hour on battery in continuous mode);
  • Display and Control: Touchscreen;
  • Spatial resolution: From 1 m to 20mAcquisition time: Down to 10 s;
  • Repeatability: Down to 0.2°C or 4 microns/m;
  • Range: Up to 100 km.

APPLICATIONS LINKED TO G1-C

  • Structural Health Monitoring;
  • Cable Monitoring.

FEBUS G1-D – DYNAMIC DISTRIBUTED STRAIN AND TEMPERATURE SENSING

  • Dynamic Strain and Static Strain/Temperature MonitoringDynamic measurement up to 100 Hz for 500 m fiber length and 50 Hz for 1 km fiber length;
  • Single Ended;
  • Optimized for harsh conditions;
  • Easy ton demand software and interface development;
  • Easy to install and easy to use.

FEBUS G1-D GENERAL PRINCIPLE

FEBUS G1-D device provides Dynamic Strain or Static Strain and Temperature information typically every 1 m along several kilometers along an optical fiber deployed on the infrastructure. This system is specifically designed to meet harsh environment requirements with energy saving configuration and single-ended connection to the optical fiber sensing cable.

KEY PERFORMANCES

  • Acquisition Frequency: Up to 100 Hz (50 microns/m repeatability at 500 m);
  • Sampling Interval: From 0.1 m to 20m;
  • Spatial resolution: From 1 m to 20m;
  • Measurement Repeatability: Down to 0.2°C or 4 microns/m.

APPLICATIONS LINKED TO G1-D

  • Structural Health Monitoring.

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