MSc Student: Nora Rusu Supervisor: Professor PhD. Mois ă Altăr
Ambient Intelligence platform with sensors integration, Cristina Rusu, Imego
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Transcript of Ambient Intelligence platform with sensors integration, Cristina Rusu, Imego
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Ambient Intelligence platform with sensors integration
RFID Sensor Tag
14 June 2011
The NORDITE Conference
Cristina Rusu (Imego)
Peter Enoksson (Chalmers)
Ovidiu Vermesan (SINTEF)
Kaj Nummila (VTT)
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Introduction – RFID
Technology highlights
Companies – Business applications
Conclusions
RFID Sensor Tag
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RFID – Basic Principle
Wireless communication technology that
• Uses radio frequency waves
• Stores and/or remotely retrieves data using devices called RFID tags.
• So far, mainly for the purpose of identification
Passive tag
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Existing ID Tags – RFID Tag
Capability of tracking simultaneously moving objects.
Effective in manufacturing environments where barcode labels may not be readable.
KSW Microtec: T threshold
Texas Instruments
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RFID – Expected business development
RFID is fast growing multi-billion dollar business
• The market is expected to rise to $27.88 billion in 2017
Market needs for smarter RFID labels are emerging
Tremendous commercial potential
Problem: Today there is no low cost Sensor Tag products on the market
Sensor tag prices: $2 to $200
Available passive wireless sensor and data acquisition systems are
Work at low operation frequency (up to a few MHz)
Based on inductive powering and communication
Large size of sensing transponder
Achievable distances typically ≈ 1- 2 cm
Active sensor tags: Too expensive and bulky
Semi-passive EPC sensor tags (example CAEN): limited to own embedded sensor, no generic sensor interface for external sensors, bulky
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Project objectives: Develop technologies that make it possible to use the same RFID solutions in logistics and consumer applications.
RFID Sensor Tag projects - Goals
► Passive RFID sensor tag ► Semi-passive RFID sensor tag
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Applicable for passive, semi-passive solutions
Same solution can be used as a gateway for data loggers and remote controls
Allows connection of displays, printed sensors, biosensors
Novel antenna solutions facilitate multi-band and flexible, rigid implementations
Uniqueness of the approach
RFID semi-
passive functional tag
I2C
SPI
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Healthcare -T (direct contact to skin) -Clothing/diaper (humidity, T)
Logistics and food chain: cold chain: perishable and pharmaceuticals (T, humidity, pH)
Construction, machinery: moisture, humidity in homes, cement dryness, machinery failures
RFID Sensor Tag - application sectors
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Introduction – RFID
Technology highlights
Companies – Business applications
Conclusions
RFID Sensor Tag
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• M. Hirvonen, N. Pesonen, O. Vermesan, C. Rusu, P. Enoksson, Multi-System, Multi-Band RFID Antenna: Bridging the Gap Between HF- and UHF-Based RFID Applications, Proc. European Wireless Technology Conference (EuWiT), 2008, Amsterdam, Netherlands
• PhD student
RFID Sensor Tag – Multi-band antennas HF & UHF
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RFID Sensor Tag – Multi-band antennas UHF & MW
asymmetric layout 878 MHz & 2.45GHz
Simulations and experimental measurements showed that Minkowski-based fractal antenna, small size (< 3x3cm) operates • at 878MHz and 2.45 GHz: 50 cm reading distance (Deister reader). • at 2.45 and 5.8 GHz: good radiation efficiencies
symmetric layout 2.45 & 5.8 GHz
• P. Enoksson, M. Rusu, M. Hirvonen, H. Rahimi, C. Rusu, N. Pesonen, O. Vermesan, H. Rustad, Minkowski Fractal Microstrip Antenna for RFID Tags, Proc. European Microwave Conference 2008 (EuMC), p. 666-670, Amsterdam, Netherlands.
• S. Ahmed, P. Enoksson, M.V. Rusu, C. Rusu, Fractal-based dual-band small antenna for 2.45 and 5.8 GHz, Proc. MME 2010, Enschede, The Netherlands.
• Master Thesis students (2)
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Capacitive (conductimetric) measurement for ultra-low power application (mW)
Interdigital finger electrodes
• small size (0.5 x 0.5 mm2)
• CMOS compatible.
Electrodes covered with a layer of sensitive polymer
• humidity, pH, bio-chemical
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Humidity pH
RFID Sensor Tag – pH, humidity sensors
L. Löfgren et al. Low-power humidity sensor, Proc. Eurosensors XXII, 2008, Germany.
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PIFA RFID sensor tag
• Passive Temperature UHF RFID tag
• Reading distances up to 70-80 cm
• Mimics the EPC Gen protocol
• Each tag has a unique ID
• PIE / FM0 encoding
• PIFA-based tag works on metal
RFID Sensor Tag – Demonstrators
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• Semi-passive RFID Data logger / RFID tag
Measures temperature, pressure, luminosity
RFID Sensor Tag – Demonstrators
• Data logger controlled by UHF passive RFID tag
Starts, stop data logger, read content of memory
• Controlling realized via I2C
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RFID reader IDS-R13MP (inside box) and RFID sensor tag
RFID tag IDS-SL13A (internal T sensor) together with
Imego’s humidity sensor and interface electronics
RFID Sensor Tag – Demonstrators
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Introduction – RFID
Technology highlights
Companies – Business applications
Conclusions
RFID Sensor Tag
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RFID Sensor Tag – Company involvement
Advice and information
- User requirements document
- Technical specifications document
- Market needs
Applications / specific interests
Saab Microwave Systems Gambro Lundia AB SCA Personal care Volvo 3P
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Volvo’s interest in RFID
Production logistics
Vehicle applications
Aftermarket applications
Soft products
Volvo 3P
Volvo Powertrain
Volvo Parts
Volvo Information Technology & Others
Volvo Logistics
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Introduction – RFID
Technology highlights
Companies – Business applications
Conclusions
RFID Sensor Tag
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New technology know-how • Feasibility verified • Technology transfer possible
NORDITE = Opening for business possibilities • Smart RFID sensor tags • International and National R&D / Industrial projects
Collaboration
• Companies involvement • Technical • …..
Huge market potential
RFID Sensor Tag – Conclusions
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Thank you for your attention
Cristina Rusu (Imego)
+46 (0)31 75018 68
Kaj Nummila (VTT)
+358 207225773
Peter Enoksson (Chalmers)
+46 (0)31 772 1868