IFBG pitch

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IFBG pitch - description, competitive advantage, applications

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  • IFBG pitch

    1. 1. IFBG - Intelligent FIber Bragg GratingsDaniele Tosi - sirddt@gmail.comGuido Perrone - guido.perrone@polito.it Business pitch Politecnico di Torino Optical Fiber and Components Resarch Group www.fco.delen.polito.it/
    2. 2. RoadmapTechnology overviewIFBG outlineSignal processingPerformanceIn-house validationApplications IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    3. 3. Optical fiber sensorsSensors embedded into optical fiber devicesMultitude of physical parameters transduced into fiber Strain Vibrations Pressure Temperature Differential strain Biochemicals IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    4. 4. Why optical fibers? ➡ με, nε, <nε sensing resolutionSuper performance ➡ 0.01 ˚C accuracy ➡ >50 km sensing distance ➡ Miniature size (∅125μm + coating) Miniature size ➡ Lightweight, easily embeddable ➡ Versatile fiber coating ➡ Punctual sensors Distribution ➡ Multiplexed, long-distance multiplexing ➡ Distributed, quasi-distribuited ➡ Totally EMI compatible Total immunity ➡ Fire-safe, passive device ➡ Compatible with high-safety standards IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    5. 5. Fiber Bragg Grating FBG = fiber optic filter FBG cascade ⬌ Multiplexing IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    6. 6. FBG sensor principle •Information encoded in FBG optical spectrum •Linear dependance on strain and temperature •Top performance sensor •Interrogation = ??Reflected Bragg wavelength shifts linearly with variation oftensile strain and temperature IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    7. 7. FBG sensorsStrain AND temperature IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    8. 8. FBG sensors FBG sensors: ‣In-fiber device (∅125 μm) ‣Length 0.5-2 cm (unpackaged) ‣Linear strain sensitivity 1pm/με ‣Temperature sensitivity 10pm/˚C (compensation) ‣Multiplexed in cascade up to 40Strain AND temperature to $200 (packaged) per FBG ‣Cost $35 (naked) IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    9. 9. Competitive landscapeAccuracy0.1nε FOS niche 10nε FBG LDV FBG custom 1με WSN standard WSN high100με low System cost $100 $1k $10k $100k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    10. 10. Competitive landscapeAccuracy0.1nε FOS niche 10nε FBG LDV FBG custom 1με WSN standard IFBG WSN high100με low System cost $100 $1k $10k $100k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    11. 11. IFBG prototypes IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    12. 12. IFBG prototypes Developed in house Cheapest optics + processing Cost ~ $2.5k1 Based on a OTS FBG analyzer + on-board intelligence 2 Cost ~ $8.5k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    13. 13. FBG arrangement FBG matrix ...channel 1 ...channel 2 . . . . . . . . . ...channel N 2, 4, 16, 64 channels <40 wavelengths wavel. 1 wavel. 2 wavel. W IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    14. 14. Architecture 1 FBG matrix ... ... . . . . . . . . . ...Switch Laser controllerPhotodiode Laser array IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    15. 15. Circulator Switch Architecture 1 FBG matrix ... ... TEC . Laser . Photodiode . . . . . . . ...Switch Laser controllerPhotodiode Laser array IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    16. 16. Architecture 2 FBG matrix ... ... . . . . . . . . . ...Switch SLED FBGA IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    17. 17. Architecture 2 FBG matrix ... ... . . . . . . . FBGA . . ...Switch SLED SLED Switch Circulator FBGA IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    18. 18. Sensor assemblyConcrete mount, embedding/annealing in composite structures Off the shelf: •CompositePolyimide strip, long-range strain +high sensitivity vibration detection •CFRP mounts •High temperature •Temp. insensitiveBench mount, crack meter •Diaphragm •Custom packagingTemperature sensor; naked FBG IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    19. 19. Competitive landscapeAccuracy0.1nε FOS niche 10nε FBG LDV FBG custom 1με WSN standard IFBG WSN high100με low System cost $100 $1k $10k $100k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    20. 20. Competitive landscapeAccuracy Processing0.1nε FOS IFBG niche 10nε FBG LDV FBG custom 1με WSN standard IFBG WSN high100με low System cost $100 $1k $10k $100k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    21. 21. Signal processing1. Frequency estimation SNR gain 15-20 dB2. Adaptive filtering SNR gain 10-153. Peak tracking Accuracy gain 10-50 D. Tosi, G. Perrone, “Low-cost, high-sensitivity, signal processing-enhanced fiber Bragg grating sensing system+ more for condition-based application”, Sensor Letters, 2011 IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    22. 22. Performance chart Commercial IFBG 1 IFBG 2 Accuracy 1-5 με 1nε (freq.) 0.1μεSensing range ±1000 με ±100 με ±2000 με Frequency 1 Hz / 5 kHz 50 kHz (DAQ) 1 Hz (5 kHz) Sensor # 20/channel 5/channel 40/channelProcessing time Instant Long Short Cost (box) $10-50k $2.5k $8.5k IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    23. 23. Commercial offer +Micron Optics FBG interrogator General-purpose software(5με, 2 Hz, 30 FBGs, $35k) No API/customization + Installation In-situ calibration/test IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    24. 24. Development flow PackagingOptimization ➡ FBG packaging➡ Miniaturization ➡ Standardization➡ Board integration ➡ Building blocks➡ Power consumption Processing ➡ Embedded DSP ➡ Integration/cloud ➡ Data reduction/fusion IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    25. 25. Applications➡ Strain sensing (static and dynamic) ‣ Civil engineering, infrastrictures (civionics) ‣ Security/defense applications ‣ Smart cities ‣ Oil&gas, energy➡ Acoustics and ultrasound➡ Temperature in harsh environment IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    26. 26. Structural monitoringFBG vs MEMS: 25 dB vs 6 dB Sample structure (flexible bar) IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    27. 27. Structural monitoring Wall resonance Rigid structure D. Tosi, M. Olivero, A. Vallan, G. Perrone, “Dynamic strain measurement systemMEMS accelerometer fail with fiber Bragg gratings and noise mitigation techniques,” Measurement Science and Technology, 2009 IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    28. 28. Road bump Left MidD. Tosi, M. Olivero, A. Vallan, G. Perrone, “Weigh-in-motion through Rightfibre Bragg grating optical sensors,” Electronic Letters, Vol. 47, No. 17,2010 IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    29. 29. Acoustics D. Tosi, M. Olivero, G. Perrone, Applied Optics, vol. 47, No. 28, 2008Voice spectrum transducer Heartbeat sensor IFBG pitch Sensor mount (no diaphragm) Daniele Tosi, Guido Perrone - Politecnico di Torino
    30. 30. TemperatureTemperature chamber Outdoor IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    31. 31. Infrastructures Torino, Passerella Olimpica
    32. 32. Smart citiesD. Tosi, FBG for smart cities monitoring, Kuang Chi Institute ofAdvanced Technologies, Shenzen (China), Aug 2011 ➡ +15% lifecycle ➡ +12% prediction (Vega park estimate)
    33. 33. Perimeter securing Changi airport, Singapore IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    34. 34. Integrity monitoring IFBG pitch Daniele Tosi, Guido Perrone - Politecnico di Torino
    35. 35. 4D mapping IFBG pitchDaniele Tosi, Guido Perrone - Politecnico di Torino
    36. 36. Energy Vestas installation ➡ +10% lifecycle ➡ +10% efficiency (Vestas data)IFBG pitchDaniele Tosi, Guido Perrone - Politecnico di Torino
    37. 37. Oil&gas ➡ Pipeline monitoring ➡ DTS/FBG integration IFBG pitchDaniele Tosi, Guido Perrone - Politecnico di Torino
    38. 38. Industrial engineeringD. Tosi, G. Perrone, “Low-cost, high-sensitivity, signal processing-enhanced fiber Bragg grating sensing system for condition-based application”, Sensor Letters, 2011
    39. 39. IFBG pitchDaniele Tosi, Guido Perrone - Politecnico di Torino

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