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Poster: Energy Management in Off-grid Homes by Forecasting

Published: 08 March 2022 Publication History

Abstract

In our work, we propose a smart home energy management system (HEMS) for off-grid homes, where electricity is produced locally by a photovoltaic (PV) system. Smart home appliances can be adjusted or switched on and off by the HEMS. We introduce a forecasting approach for energy production and consumption and develop a working system prototype based on MQTT and openHAB, managing three different home appliances and basic load. The prototype is used to calibrate component models used in an accompanying simulation study that leverages real weather data for forecasting. One major observation is that in particular in periods of bad weather conditions, the improvement when using the HEMS with forecasting is remarkable: In one experiment week, the system can maintain 100% power supply availability while there would have been 16.07% outage time when disabling the HEMS.

References

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M. E. T. Gerards, H. A. Toersche, G. Hoogsteen, T. van der Klauw, J. L. Hurink, and G. J. M. Smit. 2015. Demand side management using profile steering. In 2015 IEEE Eindhoven PowerTech. 1–6. https://doi.org/10.1109/PTC.2015.7232328
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MJ. Goldsworthy and S. Sethuvenkatraman. 2018. The off-grid PV-battery powered home revisited; the effects of high efficiency air-conditioning and load shifting. Solar Energy 172(2018), 69–77.
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cover image ACM Other conferences
IoT '21: Proceedings of the 11th International Conference on the Internet of Things
November 2021
233 pages
ISBN:9781450385664
DOI:10.1145/3494322
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 08 March 2022

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Author Tags

  1. energy management
  2. photovoltaics
  3. smart home

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  • Poster
  • Research
  • Refereed limited

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IoT '21
IoT '21: 11th International Conference on the Internet of Things
November 8 - 12, 2021
St.Gallen, Switzerland

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Overall Acceptance Rate 28 of 84 submissions, 33%

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