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Advanced S ensors for Field Server

This research focuses on developing advanced sensors for field servers, enabling effective combination of sensor-net and conventional sensors. The study includes international collaboration, low energy consumption, low cost, and mass-production with system LSI. The sensors include temperature, relative humidity, light, image, CO2, UV, wetness, soil moisture, and virus/bacteria detection. The research also covers the development of leaf-wetness and CO2/UV sensors, as well as the implementation of solar-cell-driven field servers.

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Advanced S ensors for Field Server

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  1. Advanced Sensors for Field Server M. Hirafuji, H. Hu and T. Fukatsu Computational modeling Lab. National Agricultural Research Center Tsukuba Japan

  2. Effective sensation Combination of sensor-net and conventional sensors Data shared by user’s collaboration Low energy consumption Low cost International collaboration Mass-production with system LSI Small Maintenance-free Interdisciplinary collaboration New sensors by new methods Calibration-less Requirements and Strategy

  3. Effective Sensation • Temp, RH, Light and Image for all users • CO2 for farmers and environmental scientists • UV for outdoor sport players and environmental scientists • Wetness for housekeepers and farmers • Soil Moisture for farmers and environmental scientists • Virus and bacteria for residents, farmers and biological scientists

  4. UV, CO2 and Leaf-wetness sensors

  5. Raindrops Humidity sensor Screen Wetness Sensor

  6. Installed Wetness Sensor

  7. Wetness Detection

  8. Relationship CO2 & UV

  9. Fully Unwired (Cable-less)

  10. Network Architecture Cable Solar-energy Driven Field Servers(Client connection, Intermittent work) Hotspot Interconnection between APs Conventional Field Servers (Access-point, Continuously work)

  11. A Result of Field Test

  12. Conclusions • Solar-cell-driven Field Server was developed for sensor-network. • Leaf-wetness sensors was developed. • CO2 & UV sensors were tested. • New sensors can be developed instantly by using Field Monitoring Servers • 3ch soil moisture sensor is under developing.

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