Matchstick:a room-to-room thermal model for predicting indoor temperature from wireless sensor data

Ellis, Carl and Hazas, Michael and Scott, James (2013) Matchstick:a room-to-room thermal model for predicting indoor temperature from wireless sensor data. In: Proceedings of the 12th International Conference on Information Processing in Sensor Networks (IPSN '13). ACM, New York, pp. 31-42. ISBN 9781450319591

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Abstract

In this paper we present a room-to-room thermal model used to accurately predict temperatures in residential buildings. We evaluate the accuracy of this model with ground truth data from four occupied family homes (two in the UK and two in the US). The homes have differing construction and a range of heating infrastructure (wall-mounted radiators, underfloor heating, and furnace-driven forced-air). Data was gathered using a network of simple and sparse (one per room) temperature sensors, a gas meter sensor, and an outdoor temperature sensor. We show that our model can predict future indoor temperature trends with a 90th percentile aggregate error between 0.61--1.50°, when given boiler or furnace actuation times and outdoor temperature forecasts. Two existing models were also implemented and then evaluated on our dataset alongside Matchstick. As a proof of concept, we used data from a previous control study to show that when Matchstick is used to predict temperatures (rather than assuming a preset linear heating rate) the possible gas savings increase by up to 3%.

Item Type:
Contribution in Book/Report/Proceedings
ID Code:
64265
Deposited By:
Deposited On:
30 Apr 2013 09:23
Refereed?:
Yes
Published?:
Published
Last Modified:
07 Jan 2020 03:22