research-article

Portable+: A Ubiquitous And Smart Way Towards Comfortable Energy Savings

Authors:

Amarjeet Singh,

Vikas ChandanAuthors Info & Claims

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Volume 1, Issue 2

Article No.: 14, Pages 1 - 22

https://doi.org/10.1145/3090079

Published: 30 June 2017 Publication History

Abstract

An air conditioner (AC) consumes a significant proportion of the total household power consumption. Primarily used in developing countries, decentralised AC has an inbuilt thermostat to cool the room to a temperature, manually set by the users. However, residents are incapable of specifying their goal through these thermostats - maximise their comfort or save AC energy. State-of-the-art portable thermostats emulate AC remotes and assist occupants in remotely changing the thermostat temperature, through their smartphones. We propose extending such thermostats to portable+ by adding a Comfort-Energy Trade-off (CET) knob, realised through an optimisation framework to allow users to balance their comfort and the savings without worrying about the right set temperature. Analysis based on real data, collected from a controlled experiment (across two rooms for two weeks) and an in-situ deployment (across five rooms for three months), indicates that portable+ thermostats can reduce residents’ discomfort by 23% (CET selection for maximal comfort) and save 26% energy when CET is set for maximising savings.

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Portable+: A Ubiquitous And Smart Way Towards Comfortable Energy Savings

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Published In

cover image Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies Volume 1, Issue 2

June 2017

665 pages

EISSN:2474-9567

DOI:10.1145/3120957

Issue’s Table of Contents

Copyright © 2017 ACM.

© 2017 Association for Computing Machinery. ACM acknowledges that this contribution was authored or co-authored by an employee, contractor or affiliate of the United States government. As such, the United States Government retains a nonexclusive, royalty-free right to publish or reproduce this article, or to allow others to do so, for Government purposes only.

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 30 June 2017

Accepted: 01 February 2017

Received: 01 November 2016

Published in IMWUT Volume 1, Issue 2

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ITRA project funded by Ministry of Electronics and Information Technology (MeitY), Government of India

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