Unmasking the causal relationships latent in the interplay between occupant’s actions and indoor ambience: A building energy management outlook

Monalisa Pal, Amr Alzouhri Alyafi, Stéphane Ploix, Patrick Reignier and Sanghamitra Bandyopadhyay ()

Applied Energy, 2019, vol. 238, issue C, 1452-1470

Abstract: Assiduous attention to building energy management is essential as the building sector contributes hugely to global energy consumption. Zero cost human-based energy retrofit planning is a promising solution as it can be applied to the existing buildings. Aside from a few works on obtaining optimal retrofits, studies on the impact of occupants’ actions are scarce. The primary objective of this work is to demonstrate how the changes in occupants’ actions, towards Pareto-optimality, can be beneficial for a better indoor ambience and thereby, associating the users with the energy systems. The proposed approach considers the context, documented by sensors, of an office at Grenoble Institute of Technology, France. Utilizing this data, approximation-guided evolutionary multi-objective optimization algorithm (AGE-II) generates actions by minimizing thermal dissatisfaction, air quality dissatisfaction, heater energy consumption and interference with the daily routine. The optimal and historical plans are compared to reveal the causality of the energy systems that are influenced by occupant’s actions. These explanations develop awareness of the effect of changing occupants’ actions to an optimal plan by presenting to the occupants the reasons for such changes. Hence, the proposed work helps the occupants to perceive the impact of actions which allow them to adapt their habits to a more energy-efficient routine.

Keywords: Efficient building energy management; Building simulation models; Occupant behavior analysis; Many-objective optimization; Decision-making; Causality analysis (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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DOI: 10.1016/j.apenergy.2019.01.118

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