1 code implementation • 31 Mar 2024 • Chun Fu, Hussain Kazmi, Matias Quintana, Clayton Miller
Thus, the study proposes a conditional diffusion model for generating high-quality synthetic energy data using relevant metadata.
1 code implementation • 28 Nov 2023 • Antonio Liguori, Matias Quintana, Chun Fu, Clayton Miller, Jérôme Frisch, Christoph van Treeck
While no significant improvement is observed in terms of reconstruction error with the proposed PI-DAE, its enhanced robustness to varying rates of missing data and the valuable insights derived from the physics-based coefficients create opportunities for wider applications within building systems and the built environment.
no code implementations • 6 Oct 2023 • Vasantha Ramani, Pandarasamy Arjunan, Kameshwar Poolla, Clayton Miller
The masks generated using the segmentation models were then used to extract the temperature from thermal images and correct for differences in the emissivity of various urban features.
no code implementations • 25 Jul 2023 • Filippo Vittori, Chuan Fu Tan, Anna Laura Pisello, Adrian Chong, Clayton Miller
The automation of this approach can be compared to traditional manual mapping of data types.
1 code implementation • 12 Jul 2023 • Chun Fu, Matias Quintana, Zoltan Nagy, Clayton Miller
Another challenge is the lack of application of state-of-the-art imputation methods for missing gaps in energy data.
1 code implementation • 3 May 2023 • Subin Lin, Vasantha Ramani, Miguel Martin, Pandarasamy Arjunan, Adrian Chong, Filip Biljecki, Marcel Ignatius, Kameshwar Poolla, Clayton Miller
The rooftop infrared thermography observatory with a multi-modal platform that is capable of assessing a wide range of dynamic processes in urban systems was deployed in Singapore.
no code implementations • 17 Nov 2022 • Vasantha Ramani, Miguel Martin, Pandarasamy Arjunan, Adrian Chong, Kameshwar Poolla, Clayton Miller
It is observed that for the water-cooled system, the difference between the rate of change of the window and wall can be used to extract the operational pattern.
no code implementations • 21 Oct 2022 • Miguel Martin, Vasantha Ramani, Clayton Miller
From data collected by the observatory and the automatic weather station network, a method was developed to estimate the heat emitted by building facades, vegetation, and traffic.
1 code implementation • 5 Aug 2022 • Matias Quintana, Stefano Schiavon, Federico Tartarini, Joyce Kim, Clayton Miller
On the other hand, for half and one third of each dataset occupant population, using Cohort Comfort Models, with less historical data from target occupants, Cohort Comfort Models increased their thermal preference prediction by 8~\% and 5~\% on average, and up to 36~\% and 46~\% for some occupants, when compared to general-purpose models trained on the whole population of occupants.
1 code implementation • 13 Mar 2022 • Matias Quintana, Till Stoeckmann, June Young Park, Marian Turowski, Veit Hagenmeyer, Clayton Miller
Data-driven building energy prediction is an integral part of the process for measurement and verification, building benchmarking, and building-to-grid interaction.
no code implementations • 22 Feb 2022 • Mahmoud Abdelrahman, Clayton Miller
Collecting intensive longitudinal thermal preference data from building occupants is emerging as an innovative means of characterizing the performance of buildings and the people who use them.
no code implementations • 7 Feb 2022 • Clayton Miller, Liu Hao, Chun Fu
The ASHRAE Great Energy Predictor III (GEPIII) competition was held in late 2019 as one of the largest machine learning competitions ever held focused on building performance.
1 code implementation • 31 Oct 2021 • Chun Fu, Clayton Miller
In recent years, the availability of larger amounts of energy data and advanced machine learning algorithms has created a surge in building energy prediction research.
1 code implementation • 30 Oct 2021 • Mahmoud Abdelrahman, Adrian Chong, Clayton Miller
Build2Vec utilizes the spatial data from the Building Information Model (BIM) and indoor localization in a real-world setting.
1 code implementation • 25 Jun 2021 • Clayton Miller, Bianca Picchetti, Chun Fu, Jovan Pantelic
Higher magnitude (out-of-range) errors (RMSLE_scaled > 0. 3) occur in 4. 8% of the test data and are unlikely to be accurately predicted.
1 code implementation • 28 Sep 2020 • Matias Quintana, Stefano Schiavon, Kwok Wai Tham, Clayton Miller
However, when classes representing discomfort are merged and reduced to three, better imbalanced performance is expected, and the additional increase in performance by $\texttt{comfortGAN}$ shrinks to 1-2%.
3 code implementations • 14 Jul 2020 • Clayton Miller, Pandarasamy Arjunan, Anjukan Kathirgamanathan, Chun Fu, Jonathan Roth, June Young Park, Chris Balbach, Krishnan Gowri, Zoltan Nagy, Anthony Fontanini, Jeff Haberl
This launch marked the third energy prediction competition from ASHRAE and the first since the mid-1990s.
Computers and Society
2 code implementations • 4 Jul 2020 • Prageeth Jayathissa, Matias Quintana, Mahmoud Abdelrahman, Clayton Miller
These classification models were trained on a feature set that was developed from time-series attributes, environmental and near-body sensors, heart rate, and the historical preferences of both the individual and the comfort group assigned.
Human-Computer Interaction Applications
no code implementations • 1 Jul 2020 • Mahmoud Abdelrahman, Adrian Chong, Clayton Miller
In this paper, we represent a methodology of a graph embeddings algorithm that is used to transform labeled property graphs obtained from a Building Information Model (BIM).
1 code implementation • 17 Jun 2020 • Tapeesh Sood, Patrick Janssen, Clayton Miller
In this work, we tested the ability for this feedback data to be merged with indoor environmental values from Internet-of-Things (IoT) sensors to optimize space and energy use by grouping occupants with similar preferences.
2 code implementations • 3 Jun 2020 • Clayton Miller, Anjukan Kathirgamanathan, Bianca Picchetti, Pandarasamy Arjunan, June Young Park, Zoltan Nagy, Paul Raftery, Brodie W. Hobson, Zixiao Shi, Forrest Meggers
This paper describes an open data set of 3, 053 energy meters from 1, 636 non-residential buildings with a range of two full years (2016 and 2017) at an hourly frequency (17, 544 measurements per meter resulting in approximately 53. 6 million measurements).
Applications
1 code implementation • 30 Oct 2019 • Pandarasamy Arjunan, Kameshwar Poolla, Clayton Miller
Even more importantly, a set of techniques is developed to help determine which factors most influence the score using SHAP values.