EnergyAware - Mobile-based Architecture for Maximizing Energy Savings during Computer Idle Times

Miguel Jimeno, Martín Diaz, John Candelo, Pedro Wightman

2014

Abstract

Energy consumption of computers in office buildings remains an issue of concern for companies. For example, for a university campus, they might represent between 50% and 80% of all the power consumed. Besides that, computer usage behavior sometimes makes the application of energy saving policies a difficult task, as many users prefer not to be annoyed by waiting for computers to wake up. We present in this paper a novel software architecture to enable dynamic and static appliance of energy saving policies in office computers while observing and taking into account user behavior. The key is taking advantage of idle periods for the computers and the localization of the user to determine when to turn Off or On the PC and maximize the savings. We ran a study at our campus where we found that idle periods represented between 30% and 50% of the On periods. We simulated the savings for our policies and could potentially achieve savings between 32% and 38% of current power consumption numbers. With even more tuning, we believe savings could be higher and similar techniques could be used for other devices in buildings.

References

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Paper Citation


in Harvard Style

Jimeno M., Diaz M., Candelo J. and Wightman P. (2014). EnergyAware - Mobile-based Architecture for Maximizing Energy Savings during Computer Idle Times . In Proceedings of the 3rd International Conference on Smart Grids and Green IT Systems - Volume 1: SMARTGREENS, ISBN 978-989-758-025-3, pages 141-149. DOI: 10.5220/0004842201410149


in Bibtex Style

@conference{smartgreens14,
author={Miguel Jimeno and Martín Diaz and John Candelo and Pedro Wightman},
title={EnergyAware - Mobile-based Architecture for Maximizing Energy Savings during Computer Idle Times},
booktitle={Proceedings of the 3rd International Conference on Smart Grids and Green IT Systems - Volume 1: SMARTGREENS,},
year={2014},
pages={141-149},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004842201410149},
isbn={978-989-758-025-3},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 3rd International Conference on Smart Grids and Green IT Systems - Volume 1: SMARTGREENS,
TI - EnergyAware - Mobile-based Architecture for Maximizing Energy Savings during Computer Idle Times
SN - 978-989-758-025-3
AU - Jimeno M.
AU - Diaz M.
AU - Candelo J.
AU - Wightman P.
PY - 2014
SP - 141
EP - 149
DO - 10.5220/0004842201410149