Ambient Sensor Cloud asA Solution of Practical Sensor Network
in Agriculturein Agriculture
Masayuki Hirafuji (NARO/Univ. of Tsukuba)Hideo Yoichi, Takuji Kiura, Keiko Matsumoto (NARO)
Hirohisa Nesumi, Norihiro Hoshi (NARO), ( )Seishi Ninomiya (Univ. of Tokyo)
J. Adinarayana, D. Sudharsan (IITB)Yasunori Saito, Kazuki Kobayashi (Shinshu University)Yasunori Saito, Kazuki Kobayashi (Shinshu University)
Takanobu Suzuki (Nagano Prefecture Agricultural Experiment Station)
Architecture of Field ServerArchitecture of Field Server
1. Wi-Fi based Sensor Network2 P W b: Speaking HTTP onl2. Pure Web: Speaking HTTP only.
3. Agent collects data from Field Servers.4. All-in-one & Multiple Functions
The Newest Field Server Is Still All-In-One
C
Small PC3G router
Wi-Fi Access Point
Camera3G router
Air temperature sensorHumidity sensorCO2 concentration sensor
Soli moisture sensor
2
Soli temperature sensor
Components of OpenFSComponents of OpenFS
CPU board(Arduino)
Wi-Fi routerEthernet IF
DD WRT(Arduino)
CaseDD-WRT
OpenWRTArduino IDE and Libraries
System Management Is Hard.Public Service
Application ServerField servers in Private networks
VPN RouterVPN RouterStorage/Web Server
Agent BoxMeta-Agent
Agents The Internet
Field Twitter Using OpenFS
• Twitter client, Web server, Pachube clientP S i Ci it• Power-Saving Circuit
• Solar Panels• Batteries• Multiple sensors• Camera• Cost: $100-500
Built-in Solar Energy System
Ambient Sensor CloudSensor Networks Supported by Cloud ServicesSensor Networks Supported by Cloud Services
Cloud ServicesTwitter, Twilog, Twitpic, Flickr, Google app engine
Fire Wall Fire WallFire Wall
Yi ld f tYield forecast Irrigation controlDisease diagnosis
Application Agent(Bot)
User
Fi ld T ti SField Tweeting Servers
Hardware Is Not Easy To MakeHardware Is Not Easy To Make.
1. Tools & Workshop
2 Knowledge &2. Knowledge & Skill
Conclusions1. OpenFS was developed by using open source
hardware and open source software.2 Field Twitter was developed by using2. Field Twitter was developed by using
OpenFS. Deployment and maintenance b i b Fi ld T ittbecame easier by Field Twitter.
3. New concept of ambient sensor cloud was pproposed.
4 Technologies propagation by using open4. Technologies propagation by using open source and communities is proposed.