Technology and Applications
Technology and Applications
© Smart Fibres Ltd
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Smart Fibres
• Pioneering developer of
FBG sensing systems
• Established 1998 in UK
• Multi-sector expertise:
Oil and Gas, Renewable Energy, Aerospace, Nuclear,
Rail Marine, Civ.Eng., Research, Medical, Rail
• Professional team of engineers (PhDs and BScs), plus project
management, production and admin.
• Led by engineering professionals
with long careers in technology business management:
Chris Staveley
CEO
© Smart Fibres Ltd
Crispin Doyle
CTO
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Chris Norman
Engineering
Director
Smart Fibres
•
•
•
One of the oldest FBG system Companies
Respected for its technology, applications knowledge
and professional service
Impressive global customer base, including:
•
Broad product offerings and track record
© Smart Fibres Ltd
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The Fibre Bragg Grating (FBG)
•
•
•
A Fibreoptic Sensor
Recorded with UV laser light
Reflected wavelength varies with
strain and Temperature
UV Laser Light
Single-mode
Telecoms
Optical Fibre
Alternating bands of high and low refractive index
© Smart Fibres Ltd
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A Fibre Bragg Grating Sensing System
Fibre
Data
3. Processing Unit converts
wavelengths to measurands of interest,
which are displayed real time or logged
for future analysis
2. Tuneable laser interrogation unit
illuminates fibre and measures reflected
Bragg wavelengths
FBG Sensors
1. Numerous sensors recorded on a single fibre, mm or km apart.
Sensors can measure strain, pressure, temperature etc
© Smart Fibres Ltd
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System Demonstration
© Smart Fibres Ltd
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Uses of Fibreoptic Sensing
• Performance feedback to designers
• Intelligent or “Smart” control of active systems
• Structural Health Monitoring, offering reduced
cost of ownership through:
• Condition based maintenance
• Extended service via fatigue life assessment
• Reduced risk of failure
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
No electronics
Fewer components
No moving parts
Tolerant to extremes of:
• Temperature
• Vibration
• Electromagnetic radiation
• Magnetic radiation
• Nuclear radiation
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
Dozens of multi-parameter sensors
on one fibreoptic cable:
• Fewer instrumentation channels
• Integration of different
measurands on the same system
• Reduced connections
• Reduced penetrations
• Increased reliability
• Reduced cost
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Current capability, tens of Km
between instrument and sensors:
Multiplexing
capability
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Future capability, 100+ Km:
Multiplexing
capability
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Remote Monitoring
No inherent measurement drift
Potential for long-term monitoring
with no recalibration
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Remote Monitoring
Immunity to EMI
No need for large shielded cables
Intrinsically safe operation
ATEX certified
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Sensors proven over millions of
high strain cycles, often outlasting
the host material
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Optical Sensing Technology Benefits
Ultra Harsh
Environment
Multiplexing
capability
Miniature sensors allow dense
instrumentation in inaccessible
places.
Remote Monitoring
Long-term Stability
Zero Power
Fatigue Durability
Sensor Size
© Smart Fibres Ltd
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Smart Fibres Sensor Catalogue
Sensor
Name
Image
Sensor Description
Application
Sensors for strain measurement
SmartFBG
SmartFBG
Array
Unpackaged FBG strain
sensor
Unpackaged FBG sensor
array
Composite embedded,
surface bonded
Composite embedded,
surface bonded
SmartPatch
FBG strain sensor packaged
in composite patch
Surface bonded
SmartWeld
FBG strain sensor packaged
on metallic plate
Surface welded
SmartBar
Long gauge embeddable FBG
strain sensor in steel rebar
SmartStrain
SG
Short gauge surface mount
FBG strain sensor
Surface mounted
via supplied fittings
SmartStrain
LG
Very long gauge surface
mount FBG strain sensor
Surface mounted
via supplied fittings
SmartAnchor
Short gauge embeddable
FBG anchored strain sensor
Concrete embedded,
ground buried
SmartAnchor
Chain
Chain of very long gauge FBG
SmartAnchor strain sensors
Concrete embedded,
ground buried
• FBG Sensors (smartfibres.com/FBG-sensors )
© Smart Fibres Ltd
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Concrete embedded,
ground buried
Datasheet
Smart Fibres Sensor Catalogue
Sensor
Name
Image
Sensor Description
Application
Sensors for temperature measurement
SmartTemp
Array
FBG temperature array in
loose tube construction
Surface mounted
SmartTemp
General purpose FBG
temperature sensor, 2-ended
Surface mounted
SmartTemp
Chain
Chain of SmartTemp FBG
temperature sensors
Surface mounted
SmartTemp
Probe
General purpose FBG
temperature probe, 1-ended
Inserted in probe hole
SmartTemp
Mini Probe
Miniature FBG temperature
probe, 1-ended
Composite embedded
SmartTemp
Mini Chain
Chain of miniature FBG
temperature sensors
Surface mounted
Embedded
SmartTemp
Surface
FBG surface temperature
sensor
Surface mounted
•
FBG Sensors (smartfibres.com/FBG-sensors )
© Smart Fibres Ltd
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Datasheet
Smart Fibres Sensor Catalogue
Sensor
Name
Image
Sensor Description
Application
Datasheet
Sensors for pressure measurement
SmartCell
General purpose FBG
diaphragm PT gauge
Immersed in
measurement fluid
SmartPort
Downhole ultra-HPHT FBG
diaphragm PT gauge
Immersed in fluid,
clamped to mandrel
SmartPore
Pore water level pressure
sensor
Borehole deployment,
immersion in fluid tank
SmartLoad
Load or earth pressure
sensor
Burial in ground
Accessories for downhole pressure & temperature measurement systems
SmartLink
Pressure chamber for
downhole fibre connection
Downhole cable
integration
SmartPB
Wellhead pressure barrier
for downhole fibre cable
Pole mounted at
wellhead
• FBG Sensors (smartfibres.com/FBG-sensors )
© Smart Fibres Ltd
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Smart Fibres Sensor Catalogue
Sensor
Name
Image
Sensor Description
Application
Sensors for acceleration measurement
SmartAccelLF
Low frequency FBG
acceleration sensor
Threaded to screw
attached to structure
SmartAccelHF
High frequency FBG
acceleration sensor
Threaded to screw
attached to structure
Sensors for displacement measurement
SmartGap
FBG displacement
transducer for gap
monitoring
Bolted to surface via
supplied fittings
Sensors for flow measurement
SmartFlow
FBG vortex flowmeter for
ultra-HT fluids
• FBG Sensors (smartfibres.com/FBG-sensors )
© Smart Fibres Ltd
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Integrated in flowline
with bolted flanges
Datasheet
Smart Fibres Interrogator Catalogue
• FBG Interrogators (smartfibres.com/FBG-interrogators)
Interrogator
Name
Image
Measurement & use
SmartScan
Ultra high resolution dynamic,
field use
SmartScan Aero
Ultra high resolution dynamic,
airborne use
SmartScan SBI
Ultra high resolution dynamic,
OEM integrated
Modular SmartScan
High sensor count dynamic,
rack mount field use
SmartScope
High accuracy quasi-static,
field use
FLAEMS
Acoustic emission monitoring,
currently research use only
Datasheet
• FBG Application Software (smartfibres.com/SmartSoft-application-software)
© Smart Fibres Ltd
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ATEX certificate
Technology
Presentation
Primary Market Sectors
Oil & Gas
Renewable Energy
Aerospace
Marine
Civil Engineering &
Infrastructure
Rail
Nuclear
Medical
© Smart Fibres Ltd
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Market Activity > Oil & Gas
• DPS – distributed pressure
sensing of “Intelligent Wells”
Overview Case Study
• Condition monitoring of deepwater submersible pumps
Case Study
• Health monitoring of flexible
risers
Case Study
• Monitoring of steam flow and
steam quality in thermal EOR
operations
• Quasi-distributed acoustic sensing
(under development)
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
Marine
Civil &
Infrastructure
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Rail
Nuclear
Client Movie
Technical Paper
System introduction
Medical
Market Activity > Renewable Energy
• Wind and marine current turbines
• Blade load measurements for:
• pitch control optimisation
Renewable
Activity
• condition monitoring
• ice detection
•
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
System Datasheet
• Tower, piles & foundations monitoring
• Drivetrain machinery monitoring
Hydroelectric Power Plants
• Containment system structural health
monitoring
• Leak detection
• Turbine condition monitoring
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Aerospace
• Airframe Health and Usage
Monitoring System
Case Study
• Landing gear damage detection
• UAV structural health monitoring
Case Study
• Structural damage event detection
via acoustic emission monitoring
Case Study
• Composite joint integrity monitoring
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Marine
• Hull stress and load monitoring
Case Study
• Ship Structural Health Monitoring
Case Study
• LNG tank condition monitoring
• Mast and stay load monitoring
Case Study
Case Study
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Civil & Infrastructure
•
Long-term health monitoring of
• Bridges
• Buildings
• Monuments
• Tunnels
• Foundations
• Road Pavements
•
•
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
Structural assessment following
seismic events
Numerous case studies at www.smartfibres.com/references
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Rail
•
Pantograph Condition Monitoring
•
Train condition monitoring
•
Train weigh-in motion
Case Study Case Study
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
•
Bridge Monitoring
•
Characterisation of rail foundation
•
(Potentially) bearing monitoring
Marine
Civil &
Infrastructure
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Rail
Nuclear
System
Brochure
Medical
Market Activity > Nuclear
New Market Sector for Smart Fibres, potential applications:
•
Pressure monitoring in steam pipes
• SHM of reactor containment
Oil & Gas
© Smart Fibres Ltd
•
SHM of steam generator
•
Temperature monitoring of nuclear waste
•
SHM of Cryostat infrastructure
Renewable
Energy
Aerospace
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Medical
• Temperature monitoring
during laser heart ablation
• Pressure feedback to
surgeon during laser heart
ablation
• Enabled by miniature
sensor and no electric
power
Oil & Gas
© Smart Fibres Ltd
Renewable
Energy
Aerospace
Marine
Civil &
Infrastructure
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Rail
Nuclear
Medical
Market Activity > Selected References
•
A list of our extensive project references, and further
information on certain projects, can be found at the webpage
www.smartfibres.com/references
© Smart Fibres Ltd
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Latest version of this presentation available at:
www.smartfibres.com/docs/SF_Presentation.pptx
Further information available at www.smartfibres.com
© Smart Fibres Ltd
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