Stochastic-based occupant-centric building archetype modelling using plug loads
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Résumé
To achieve today’s immediate climate goals, Quebec has provided the Green Economy action plan targets to achieve a 37.5% greenhouse gas emissions reduction compared with 1990 levels and reach carbon neutrality by 2050. During this time, the built environment has a high potential for energy demand reduction. Urban building energy modeling (UBEM) can support building energy management in the urban context. The occupant-related schedules (e.g., presence and interaction with energy systems) significantly impact the UBEM’s uncertainty. In most existing urban-scale building energy models, fixed default occupant-related schedules are typically used, which might not necessarily capture the variation associated with occupancy. The main reason is the lack of data available to model dynamic occupancy schedules leads to differences between energy simulation results and the actual data. Without a more complex occupancy model within UBEM, it is impossible to achieve a reliable energy demand estimation and peak load prediction. Therefore, for a more robust output from building energy simulation, UBEM requires occupant-related schedules that include the variability and diversity of the occupant behavior.Knowing the critical roles of occupants in a building’s energy use and management, stochastic occupant-centric archetypes are a promising way to support the variability and stochasticity of the occupant-related schedules to simulate district demand more accurately. A more realistic district load curve can be obtained if stochastic occupant-related profiles are correctly modeled. Previous research on stochastic occupant-related schedules can only be used in building energy simulation of specific buildings, such as office and residential, not for all buildings in mixed-use districts. Thus, this article outlines a framework to extract the representative occupant-related profiles from time-series data for mixed-use neighborhoods and model their performance considering the stochastic nature of occupant behavior. Also, it could be demonstrated how the stochastic-based occupant-related archetypes improve the urban building energy modeling workflow to predict demand. This dynamic model could provide relatively accurate simulation results and pave the way to identify appropriate energy management strategies.The output illustrates that demand modeling for neighborhoods with identical building types gives unrealistically high heating, cooling, and electricity peaks where fixed occupancy schedules are assigned to the model. Besides, applying stochastic-based schedules can include the variability of the occupant behavior in the model where similar archetypes are to the neighborhood buildings. Overall, the proposed framework integrates flexible and reliable occupant-centric archetypes and energy demand analysis, including forecasting the impacts of the variability of occupant behavior to establish an informed basis for energy-efficient strategies and demand-side energy management.
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Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,002 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,001 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle