A Web of Things to Reduce Energy Wastage

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Presentation of the paper "A Web of Things to Reduce Energy Wastage" at the 10th IEEE International Conference on Industrial Informatics (INDIN 2012) in Beijing, China

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A Web of Things to Reduce Energy Wastage

  1. 1. A Web of Things toReduce Energy WastageMarkus LanthalerGraz University of Technology
  2. 2. Mining Markus Lanthaler – Graz University of Technology
  3. 3. Fly-In, Fly-Out Markus Lanthaler – Graz University of Technology
  4. 4. Mining Work Camps Markus Lanthaler – Graz University of Technology
  5. 5. Problem• Supply of important basic amenities is costly• Provision of energy particularly expensive (diesel generators)• Mining camp of 1,500 housing units: > $1.7 million/year just for energy• Emissions: > 10,000 metric tons of CO2 Markus Lanthaler – Graz University of Technology
  6. 6. Problem• Residents don’t pay themselves: lot of wastage• Keep rooms cooled at 18°C for whole day just to make sure it’s cold on return (outside > 40°C)• TVs are not turned off Markus Lanthaler – Graz University of Technology
  7. 7. Reduce Wastage by Automation Monitor energy Intelligently controlconsumption and appliances to reduce environment wastage Markus Lanthaler – Graz University of Technology
  8. 8. Requirements• Reuse existing infrastructure (brownfield project)• Keep installation simple (and thus cheap)• Remote control and maintenance• Do not interfere with the resident’s interests Markus Lanthaler – Graz University of Technology
  9. 9. Architecture Logging and control server RESTful services Internet (or local network) housing sensor smart controller unit actuator meter Markus Lanthaler – Graz University of Technology
  10. 10. Proof of Concept Arduino Mega-based platform Sensor & actuators Ethernet shield Arduino Markus Lanthaler – Graz University of Technology
  11. 11. Sensors and Actuators Passive Infrared RFID reader Sensor (Motion) IR emitter Relay (door lock) Temperature andReed switches humidity sensor Markus Lanthaler – Graz University of Technology
  12. 12. Field Trial Evaluation• Deployed in a remote housing site in Karratha, Western Australia• Run from April 2011 till November 2011• Used simple heuristics – resident at work: set A/C to 30°C – cool room down before resident comes back Markus Lanthaler – Graz University of Technology
  13. 13. Power Consumption Breakdown Air Conditi oning 77,8% Hot Wat e r Other (T V, fridge,etc.) System 10,9% 11,4 % Markus Lanthaler – Graz University of Technology
  14. 14. Power Consumption 16 kWh 32 °C 14 28 12 24 10 20 8 16 6 12 4 8 2 4 0 0 04/2011 06/2011 08/2011 10/2011 manage d unmanage d Te mper atur e Markus Lanthaler – Graz University of Technology
  15. 15. Savings 100% 32 °C 90% 28 80% 24 70% 20 60% 16 50% 12 40% 8 4 0% 0 04/ 2011 06/ 2011 08/ 2011 10/ 2011 Power savings Te mpe r atur e Markus Lanthaler – Graz University of Technology
  16. 16. Conclusions• Achieved substantial savings• Reduced consumption by roughly 50% – $500,000/year – 1,000-3,000 metric tons CO2 Markus Lanthaler – Graz University of Technology
  17. 17. Outlook Markus Lanthaler – Graz University of Technology
  18. 18. Thank You! Markus LanthalerQuestions? Markus.Lanthaler@student.TUGraz.at @MarkusLanthaler

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