Journal
JOURNAL OF BUILDING PERFORMANCE SIMULATION
Volume 6, Issue 4, Pages 293-318Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/19401493.2012.723750
Keywords
Bayesian; calibration; regression; retrofit; housing stock; uncertainty
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Funding
- EPSRC [EP/F034350/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F034350/1] Funding Source: researchfish
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Owners of housing stocks require reliable and flexible tools to assess the impact of retrofits technologies. Bottom-up engineering-based housing stock models can help to serve such a function. These models require calibrating, using micro-level energy measurements at the building level, to improve model accuracy; however, the only publicly available data for the UK housing stock is at the macro-level, at the district, urban, or national scale. This paper outlines a method for using macro-level data to calibrate micro-level models. A hierarchical framework is proposed, utilizing a combination of regression analysis and Bayesian inference. The result is a Bayesian regression method that generates estimates of the average energy use for different dwelling types whilst quantifying uncertainty in both the empirical data and the generated energy estimates. Finally, the Bayesian regression method is validated and the use of the hierarchical Bayesian calibration framework is demonstrated.
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