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

OpenFS (Open Field Server)OpenFS (Open Field Server)Low-cost by Open Source

Components of OpenFSComponents of OpenFS

CPU board(Arduino)

Wi-Fi routerEthernet IF

DD WRT(Arduino)

CaseDD-WRT

OpenWRTArduino IDE and Libraries

Arduino IDE (Open Source)( )

Easy by Cloudy y

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

• 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

The First Tweeting Server

Twitter and Twilog (mirror storage of Twitter)g ( g )

Twitter Twilog

Pachube: Sensor network portal site

Technology PropagationTechnology Propagation

Make: MagazineMake: Magazine

English Japanese

PROSUME (PROduce + conSUME)

Open Source EcologyOpen Source Ecology

http://openfarmtech.org/

Field Server Kit

Hardware Is Not Easy To MakeHardware Is Not Easy To Make.

1. Tools & Workshop

2 Knowledge &2. Knowledge & Skill

SolutionsSolutions

1. Low-cost Kit2. Science Café3. Fablab3. Fablab

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.