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Wireless Sensor Networks in Agriculture

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Wireless Sensor Networks in Agriculture. Chibuzor Edordu ... of Electronic and Electrical Engineering University College London, London WC1E 6BT, UK ... – PowerPoint PPT presentation

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Title: Wireless Sensor Networks in Agriculture


1
Wireless Sensor Networks in Agriculture
UCL DEPARTMENT OF ELECTRONIC AND ELECRICAL
ENGINEERING
  • Chibuzor Edordu
  • Supervisor Dr. Yang Yang
  • Department of Electronic and Electrical
    Engineering University College London, London
    WC1E 6BT, UK
  • Email c.edordu_at_ee.ucl.ac.uk
  • http//www.ee.ucl.ac.uk/cedordu

2
Outline
  • Wireless Sensor Network (WSN)
  • WSN in Agriculture
  • Conclusion
  • Future Work

3
Wireless Sensor Network
  • What is a wireless sensor network?
  • A computer network consisting of
  • spatially distributed devices.
  • What do devices contain?
  • Memory, radio, processor, battery

4
Wireless Sensor Network
  • Goal To collect data from remote sites for
    USEFUL decision making
  • Main features of WSNs
  • Intelligent control e.g. automatic
  • data collection and processing
  • Self configuration

Source Ibiso Wokoma, UCL
5
WSN in Agriculture
  • Over 50 of irrigated land produces potatoes in
    the UK

6
WSN in AgricultureSystem Requirement for
Irrigation
  • Soft System Requirement for Irrigation
  • Wireless Data Transport
  • Lifetime 6 months (Growing season)

7
WSN in Agriculture
  • Optimal Sampling for real time Irrigation
    Scheduling

DISTURBANCES e.g. water stress
Control action
Output e.g. water supply
Desired input e.g. soil moisture measurement
CONTROLLER
PROCESS e.g. irrigation
Measure output using wireless sensors
8
Conclusion
  • Tracking Correlations between Sensors
  • Temperature is highly correlated

9
Conclusion
  • Tracking Correlations between Sensors
  • Humidity is highly correlated

10
Future Work
  • Collaborative subsampling in a WSN
  • How can redundant nodes help?
  • Optimal sampling in WSNs
  • Can we minimise the sampling and still maintain
    enough confidence in our result?

11
Thank you
  • Chibuzor Edordu
  • c.edordu_at_ee.ucl.ac.uk
  • http//www.ee.ucl.ac.uk/cedordu
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