saving the earth with iot - innovationworldcup.com...saving the earth principles of life ideas of...
TRANSCRIPT
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Agenda
Background Sensefarm
Saving the earth
Principles of life
Ideas of control
Field examples
Technology behind Sensefarm
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Outdoor sensor system
Consultancy work
Soil & air moisture, temperature.
Remote supervision
Control through mobile
Sensors to the Internet, Videocent AB
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Saving the earth
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CO2 green house effect• Energy
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Over-fertilisation• Algea
Growths due to phosphate and nitrogen
Eaten by plankton->fish = good
Too much P and N gives too much algea
• Some sorts are
Poisoneous
Irritates skin
Known to kill animals that drink water
Kills people who eats seafood
• All consumes oxygen when dead
Can consume all oxygen killing life
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Starvation
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Dynamic System Regulation -I’m an engineer
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Three principles• Limiting factor
• Time and temperature
• Special events
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Liebig's law of the minimum“Limiting factor”• growth is controlled not by the total amount of resources available, but by
the scarcest resource (limiting factor)
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How do life know time? –Time and temperature• Growing Degree Days
Daily GDD = ((Tmax + Tmin) ÷ 2) – Tbase
Tbase = Base Temperature 10°C (varies with lifeform)
Month … June
mid
June
mid
June
late
July
early
July
late
Aug Aug-
sep
Sep-
okt
GDD 200-
300
300-
400
300-
500
500-
700
700-
900
900-
1100
1100-
1300
1300-
1700
GDD
Phytophthora
infestanspotato
blight
potato
blight
potato
blight
potato
blight
potato
blight
1845 Belgium England France
Holland
Ireland
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Special events• Potato blight epedemic
starts if…
A Smith Period is at least two consecutive days where min temperature is 10 °C (50 °F) or above and on each day at least 11 hours when the relative humidity is greater than 90%.
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Regulation -I’m an engineer
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Three principlesAction plan• Limiting factor
Measure all factors
Find the limiting one
Optimize
• Time and temperature
Logistics
• Special events
Prediction models
Preventive actions
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Three principlesImprovement• Limiting factor
Measure all factors
Find the limiting one
Optimize
• Time and temperature
Logistics
• Special events
Prediction models
Preventive actions
20% increase in productivity
30% increase in yield
= 56% improvement
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Three principlesImpact on earth• Limiting factor
Measure all factors
Find the limiting one
Optimize
• Time and temperature
Logistics
• Special events
Prediction models
Preventive actions
No over-fertilization
No over-production
No hunger crises
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Sensefarm Field examples
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Hardware• Low cost GSM platform
Based on Arduino
• Works directly in 144+ countries
• Extreme low-power modes
• Plug and play sensors
• Waterproof
• Options
Solar cell
Display
eSIM
GPS
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Nitrogen(N), Phosphorus(P), and Kalium(K) and Water
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Nitrogen –Organic material->Humus -> Nitrogen
• Temperature dependendent
Trials by SLU Alnarp (Swedish Univversity of Agricultureal Science)
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Nitrogen –Leaching nitrate NO3
-
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Irrigation
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Logistics
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Storage
0
0,1
0,2
0,3
0,4
0,5
0 10 20 30
%
°C
%
sugarloss/day/degree
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Sensefarm technologyRemote supervision examples
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Temperature logging duringtransport
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GPS tracking of irrigation
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Borgeby
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Sensefarms offer
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Servers• AWS
• Sensefarm
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Backend
Message Bus
AMQP
Long time
analytical db
NoSQL
Time
series
db
User db
SQL
Message
translationAlarms?!
Plugins
MQTT
XMPP
API
REST
JSON
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Why build systems like this?
20
14
-09
-26
32
• Decoupled
Add/removeservice
• Asynchronous
Queues
Maintenance
• Distributed
Scalable
1 million messages/s
• Redundant
Uptime
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Looking for Customers and Partners
•Hardware
•Backend