open access to sensors - wurwebdocs.dow.wur.nl/internet/grs/workshops/sensing a...jan jellema,...
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Jan Jellema, geowetenschappelijk informatie specialist
RGI
Open Access to sensors
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Utrecht, zaterdag 19 april 2008Sensornetwerken2
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Utrecht, zaterdag 19 april 2008Sensornetwerken3
Goals National Sensor project
• Integrate Sensornetworks in the National GIS infrastructure
• Improve exchange between institutes
• Use SWE as input for models and applications
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• Cooperation between domains
• Cooperation between organisations
• Cooperation between scale of monitoring
• Cooperation between old-actual-prediction data
Why Standardisation?
Trend:
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Utrecht, zaterdag 19 april 2008Sensornetwerken5
1. Cooperation between domains:
Meteo
Soil HumidityEngineering
Groundwater
Surface Water
Agriculture
Safety
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2. Cooperation between organisations
Pumping station
Water Authority
Province Ministery
Other country
European Union
Pump
Oil pressureFuelMaintenance
Waterlevel inDischargeWaterlevel out
Volumes/year
FloodingsPollution
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3. Spatial scale
• Overview: Remote Sensinglarge volumes, periodical
• National Weather stations , LOFARcontinue, ADSL, wired locations
• Regionaal: Field sensors many, wireless, periodical, small volumes
• Buildings Wired and powered sensorsEngines Continue, often no storageLaboratories
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Many domains
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Jan Jellema Februar 2008
4. Relatie met Tijd, meerdere bronnen
History SWE Model
Actual sensor info
Database institute
Predictionthrough models
TIME � now
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Present public systems with SWE
• SensorBay, Canadahttp://www.sensorbay.ca/web/guest/find-view
• Sensors in de Oceanen rond de USA http://www.openioos.org/testbed/sos/gm_sos.html
• Zuid Afrika Beheer van bos- en veldbrandenhttp://divenos.meraka.csir.co.za/afis/
• EU- project: Osiris, milieuverontreiniging en rampbestrijdinghttp://www.osiris-fp7.eu
• GITEWS. Waarschuwingssysteem rampen (tsunami’s)http://www.gitews.de
• SANY. EU-project ontwikkeling SWE en bijbehorende implementaties.http://www.sany-ip.eu
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Utrecht, zaterdag 19 april 2008Sensornetwerken12
Conclusion 1: Many organisational restrictions
• Privatisation restricts Meteo Institute free access Groundwater Institute
• Contract dependencies Hydraulic Institute
• Missing responsibility Soil Humidity
• Lagging Public education No understanding forstatistics, valdidation
Statement: Free exchange between institutes and authorities
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Utrecht, zaterdag 19 april 2008Sensornetwerken13
Conclusion 2: Trend in field sensors contrary to SWE
Trend: smaller and wireless sensors
• Batteries limit energy consumption
• Wireless protocol requires compact messaging
Possible in 3-4 year??• WIMAX protocol• Alternative energy supply wind -- bio -- sun
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Utrecht, zaterdag 19 april 2008Sensornetwerken14
Conclusion 3 SWE has to much freedomDetailed profiles for each domain required
• Names of measurements, processes and definitions
• Unit of measurements
• Axes, positive-negative
• Symbols and colors
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Conclusie 4 Applicaties
• Ready made applications needed for- Data input- Statistical processes- Data fusion and generalisation- Graphical and visualisation tools
• Loose relation with location and GML
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Optional relation with GML
Utrecht, zaterdag 19 april 2008Sensornetwerken16
Laboratoriumreports
Timeseries on fixed locations
Alarm systems
FixedsampleLocationwith ID
engines, factoriescars, planes, Electronic
BUS
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WaterbeheerSuitable for suburbs?
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Utrecht, zaterdag 19 april 2008Sensornetwerken18
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Jan Jellema Februar 2008
Project Partners Sensornetwerk
• KPN National Telecommunications• LOFAR Super fast scientific fibre network• KNMI Royal Netherlands Meteorology Institute• WUR Wageningen Universiteit• Alterra Agricultural Scientific Institute• Delft Hydr. Delft Hydraulical laboratory• GeoDelft Centre for Geo-Engineering• Eijkelkamp Supplier of sensors for industry and environment.• TNO B&O Geological Survey of the Netherlands• IFGI Institute for Geo-Informatics (Germany)
In consultation with the project “IJkdijk” in Groningen
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Water Management
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Standaardprotocol
InternetOrganisatie
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Automatische Water Kwaliteits metingen
Prototype miniaturized chemical sensorsIntegrated in modular flow-cells• NO3-• NH4+• K+• Na+• Cl-• Pb2+ , Cd2+, Cu2+• Hg2+, Fe3+, Cr6+
Chemical sensors• Potentiometric sensors• Stripping voltammetry sensors• Pb2+, Cd2+, Cu2+, Zn2+• Miniaturized colorimetric flow-cell
with fibre optics• NH3, NO2 , PO4
WARMER project
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Voorgestelde Standaard: Sensor Web Enablement
OGC Sensor Web Enablement (SWE)
• Open Geospatial Consortium (OGC) initiative
• Web services– Sensor Observation service for data access– Sensor Planning Service for sensor tasking and feasibility studies,– Sensor Alert Service for registering atomic conditions and push
based notification,– Web Notification Service as a data transport protocol transformer
• Data models and encodings– Observation & Measurement (O&M)– Sensor Model Language (SensorML)
Utrecht, zaterdag 19 april 2008Sensornetwerken27
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Utrecht, zaterdag 19 april 2008Sensornetwerken29
Publishing sensor information per institute
User interface
Lokatiegegevens
Status
CapabilitiesMetingen
GIS-tools
Graph
Tools
serviceservice1x
Instituut
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Meetnet Meteo (mapservice bij TNO)
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Meetnet Meteo Presentatie
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Meetnet Grondwater Webservice
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Internet
eSense
Flow sensor information
SWE
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Middag programma
Lunch
13.20 – 13.40 Ontwikkelingen draadloze communicatie met sensorenHans van Rheenen, Eijkelkamp
13.40 – 14.00 Perspectief Datacommunicatie KPN Joost Fleuren, KPN
14.20 – 14.40 Positieve en negatieve ervaringen tijdens toepassing van SWEJan Jellema, TNO
15.00 – 16.00 Discussie
16.00 Sluiting
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Voorstellen / Ideen
• Kleine samenwerkingsprojecten Instituut – Waterschap
• Europees project Framework Water
• Testproject Democratisch Netwerk (Web 3.0)
• Vrije gegegevens-uitwisseling tussen instituten.
• Vrije uitwisseling tussen RWS en Waterschappen
• Presentatie Voorspellingen