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YaY - An Open-Hardware Energy
Measurement System
WISES 2017
Christoph Klemenjak and Wilfried Elmenreich
Institute of Netwo...
Chair of Smart Grids
• Self-organising
Systems
• Smart
Microgrids
• Energy
Informatics
• NIALM
Christoph Klemenjak and Wil...
Introduction
• Changing housing situations, demographical developments in
our society, and the introduction of Smart Micro...
A Distributed Measurement System
(a) YoMo Smart Meter-
ing Board [1]
(b) Smart Plug (c) Sensor Node
Figure: Components of ...
A Distributed Measurement System
• Provide a detailed overview of the household/building
• Smart meter at the feed point o...
YaY Smart Meter
Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System
6/17
YaY Smart Meter
• Integrates a self-designed Smart Metering board
• Arduino board comprises two processors
• DIN rail encl...
YaY Smart Meter: Measurement Aspects
Feature Abbreviation Value
Supply voltage Vdd 5 V
Max. current I 20 A
Max. input volt...
Smart Plugs: Measurement Aspects
• Measure power consumption of individual appliances
• Precise appliance patterns can be ...
Ambient Appliance Features
• Integration of environmental networked sensors and wireless
sensor networks
• Monitor the imp...
Area of Application
1 Personalised feedback in form of appliance-specific
recommendations can be generated in order to achi...
Application as Energy Advisor Tool
Figure: Real-Time Widget
Figure: Advisor Widget[2]
Christoph Klemenjak and Wilfried Elm...
Load Disaggregation / Appliance Detection
Figure: The load disaggregation problem
Christoph Klemenjak and Wilfried Elmenre...
0 1000 2000 3000 4000 5000 6000 7000 8000
0
1000
2000
Time in s
PowerinW
(a) Power consumption of a washing machine over t...
Discussion
• Measurement Aspects:
I YaY Smart Meter at the feed point
I Smart plugs attached to selected appliances
I Netw...
Conclusion
• A novel open-source and open-hardware metering approach
• Record and monitor electrical and ambient features ...
References
Christoph Klemenjak, Dominik Egarter, and Wilfried
Elmenreich.
Yomo: the arduino-based smart metering board.
Co...
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YaY - An Open-Hardware Energy Measurement System for Feedback and Appliance Detection based on the Arduino Platform

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Talk at the 13th Workshop on Intelligent Solutions in Embedded Systems (WISES), 2017

Venue: Helmut Schmidt University of the Federal Armed Forces Hamburg

Published in: Engineering
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YaY - An Open-Hardware Energy Measurement System for Feedback and Appliance Detection based on the Arduino Platform

  1. 1. YaY - An Open-Hardware Energy Measurement System WISES 2017 Christoph Klemenjak and Wilfried Elmenreich Institute of Networked and Embedded Systems Alpen-Adria-Universit¨at Klagenfurt 12.06.2017 Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 1/17
  2. 2. Chair of Smart Grids • Self-organising Systems • Smart Microgrids • Energy Informatics • NIALM Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 2/17
  3. 3. Introduction • Changing housing situations, demographical developments in our society, and the introduction of Smart Microgrids • Analyse user behaviour, human biorhythm, consumption habits, presence at home • Data of interest is the power consumption of day-to-day used household appliances • Measurement system required to record and identify alteration Motivation I Reduce costs I Predict the energy consumption I Optimise workflows and schedules Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 3/17
  4. 4. A Distributed Measurement System (a) YoMo Smart Meter- ing Board [1] (b) Smart Plug (c) Sensor Node Figure: Components of the distributed measurement system Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 4/17
  5. 5. A Distributed Measurement System • Provide a detailed overview of the household/building • Smart meter at the feed point of the household: I RMS value of the voltage URMS I RMS value of the current IRMS I Active power P, reactive power Q, and apparent power S • Exclusive characteristics on appliance level: I Active power P I Ambient features: Heat-dissipation, light emission, vibrations, or sound emission Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 5/17
  6. 6. YaY Smart Meter Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 6/17
  7. 7. YaY Smart Meter • Integrates a self-designed Smart Metering board • Arduino board comprises two processors • DIN rail enclosure for installation in the distribution board • Communication interfaces: Wi-Fi and ZigBee YoMo Board Microcontroller Embedded Processor Wi-Fi Module Wi-Fi Module ZigBee Module YaY Smart Meter Arduino Yun Figure: Components of the YaY smart meter Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 7/17
  8. 8. YaY Smart Meter: Measurement Aspects Feature Abbreviation Value Supply voltage Vdd 5 V Max. current I 20 A Max. input voltage V 400 V Max. sampling frequency fs 5 Hz Max. measurement error P 3.8% Max. measurement error S 4.04% Power consumption P 2 W Table: YoMo Metering board specifications Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 8/17
  9. 9. Smart Plugs: Measurement Aspects • Measure power consumption of individual appliances • Precise appliance patterns can be generated Feature Abbreviation Value Supply voltage Vac 230 V Max. current I 16 A Max. input voltage Vin 240 V Max. sampling frequency fs 1 Hz Measurement accuracy P 5% Power consumption P 0.55 W Table: Plugwise smart plugs specifications Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 9/17
  10. 10. Ambient Appliance Features • Integration of environmental networked sensors and wireless sensor networks • Monitor the impact of appliances on their environment: I Piezoelectric sensors to record vibrations I Temperature sensors to measure the temperature flow in the surrounding of the respective appliance I Sound sensors to measure characteristic noise I Luminance sensors allow the detection of light-emitting appliances such as lighting or television sets I Gyroscope sensors can be applied to track motions Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 10/17
  11. 11. Area of Application 1 Personalised feedback in form of appliance-specific recommendations can be generated in order to achieve energy savings 2 Generate and utilise appliance models to detect active appliances Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 11/17
  12. 12. Application as Energy Advisor Tool Figure: Real-Time Widget Figure: Advisor Widget[2] Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 12/17
  13. 13. Load Disaggregation / Appliance Detection Figure: The load disaggregation problem Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 13/17
  14. 14. 0 1000 2000 3000 4000 5000 6000 7000 8000 0 1000 2000 Time in s PowerinW (a) Power consumption of a washing machine over time 0 1000 2000 3000 4000 5000 6000 7000 8000 0 500 1000 1500 2000 Time in s PowerinW (b) Power consumption of a dishwasher over time Figure: Example detections of a refrigeratorChristoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 14/17
  15. 15. Discussion • Measurement Aspects: I YaY Smart Meter at the feed point I Smart plugs attached to selected appliances I Networked sensors across the household • Expandable open-hardware platform • Open access • Customisable system Future Work • Optimal utilisation of appliance models to detect ageing e↵ects and irregularities • Detect such e↵ects and advice the user to act • Predict maintenance Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 15/17
  16. 16. Conclusion • A novel open-source and open-hardware metering approach • Record and monitor electrical and ambient features of electrical appliances • In combination with diagnosis software (energy advisors) such systems could present a low-cost alternative to expensive commercial home monitoring systems • Transition from smart to cognitive • Achieve significant energy savings by the identification of energy-sapping appliances and the recognition of ageing e↵ects of electrical appliances Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 16/17
  17. 17. References Christoph Klemenjak, Dominik Egarter, and Wilfried Elmenreich. Yomo: the arduino-based smart metering board. Computer Science-Research and Development, 31(1-2):97–103, 2016. Andrea Monacchi, Fabio Versolatto, Manuel Herold, Dominik Egarter, Andrea M Tonello, and Wilfried Elmenreich. An open solution to provide personalized feedback for building energy management. Journal of Ambient Intelligence and Smart Environments, 9(2):147–162, 2017. Christoph Klemenjak and Wilfried Elmenreich YaY - An Open-Hardware Energy Measurement System 17/17

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