Demand forecasting for a Mixed-Use Building using an Agent-schedule information Data-Driven Model

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

There is great interest in data-driven modelling for forecasting of building energy consumption using machine learning (ML) modelling. However, little research considers classification-based ML models. This paper compares regression and classification ML models for daily electricity and thermal load modelling in a large, mixed-use, university building. The independent feature variables of the model include outdoor temperature, historical energy consumption data sets and several types of ‘agent schedules' that provide proxy information based on broad classes of activity undertaken by the building’s inhabitants. The case study compares four different ML models testing three different feature sets with a genetic algorithm (GA) used to optimize the feature sets for those ML models without an embedded feature selection process. The results show that the regression models perform significantly better than classification models for the prediction of electricity demand and slightly better for the prediction of heat demand. The GA feature selection improves the performance of all models and demonstrates that historical heat demand, temperature and the ‘agent schedules’ which drive from large occupancy fluctuations in the building, are the main factors influencing the heat demand prediction. For electricity demand prediction, feature selection picks almost all 'agent schedule’ features available and the historical electricity demand. Historical heat demand is not picked as a feature for electricity demand prediction by the GA feature selection and vice versa. However, the exclusion of historical heat/electricity demand from the selected features significantly reduces the performance of the demand prediction.
Original languageEnglish
Article number780
Issue number4
Publication statusPublished - 11 Feb 2020

Keywords / Materials (for Non-textual outputs)

  • data driven
  • buildings
  • thermal demand
  • electricity demand
  • demand prediction


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