no code implementations • 13 Dec 2024 • Marek Miltner, Jakub Zíka, Daniel Vašata, Artem Bryksa, Magda Friedjungová, Ondřej Štogl, Ram Rajagopal, Oldřich Starý
This study addresses the challenge of predicting electric vehicle (EV) charging profiles in urban locations with limited data.
no code implementations • 20 Aug 2024 • Anthony Degleris, Lucas Fuentes Valenzuela, Ram Rajagopal, Marco Pavone, Abbas El Gamal
Marginal emissions rates -- the sensitivity of carbon emissions to electricity demand -- are important for evaluating the impact of emissions mitigation measures.
no code implementations • 5 Aug 2024 • Elizabeth Buechler, Aaron Goldin, Ram Rajagopal
Model predictive control (MPC) strategies allow residential water heaters to shift load in response to dynamic price signals.
no code implementations • 22 Apr 2024 • Richard Stromer, Oskar Triebe, Chad Zanocco, Ram Rajagopal
In practice, forecasts are often used by domain experts and managers with little forecasting expertise.
no code implementations • 9 Jan 2024 • Emmanuel Balogun, Elizabeth Buechler, Siddharth Bhela, Simona Onori, Ram Rajagopal
In this work, we present EV-EcoSim, a co-simulation platform that couples electric vehicle charging, battery systems, solar photovoltaic systems, grid transformers, control strategies, and power distribution systems, to perform cost quantification and analyze the impacts of electric vehicle charging on the grid.
no code implementations • 2 Jan 2024 • Tianyuan Huang, Zejia Wu, Jiajun Wu, Jackelyn Hwang, Ram Rajagopal
Urban transformations have profound societal impact on both individuals and communities at large.
1 code implementation • 20 Dec 2023 • Zhecheng Wang, Rajanie Prabha, Tianyuan Huang, Jiajun Wu, Ram Rajagopal
Remote sensing imagery, despite its broad applications in helping achieve Sustainable Development Goals and tackle climate change, has not yet benefited from the recent advancements of versatile, task-agnostic vision language models (VLMs).
no code implementations • 7 Dec 2023 • Elizabeth Buechler, Aaron Goldin, Ram Rajagopal
In this work, we analyze how modeling tank stratification in an MPC formulation impacts control performance for stratified electric water heaters under time-of-use (TOU) rates.
no code implementations • 1 Jul 2023 • Thomas Navidi, Abbas El Gamal, Ram Rajagopal
A local controller at each consumer node then determines the DER power injections which satisfy the consumer's objectives while obeying its supply bounds.
1 code implementation • 29 Jun 2023 • Emmanuel Balogun, Ram Rajagopal, Arun Majumdar
Stochastic generators are useful for estimating climate impacts on various sectors.
no code implementations • 14 Jun 2023 • Thomas Navidi, Abbas El Gamal, Ram Rajagopal
Current DER coordination schemes, such as demand-response and VPPs, aim to reduce electricity costs during peak demand events with no consideration of distribution grid reliability.
no code implementations • 25 Apr 2023 • Maomao Hu, Ram Rajagopal, Jacques A. de Chalendar
Moreover, a small number of zones accounted for a large amount of energy use and energy flexibility; and the most energy-intensive zones are not necessarily the most energy-flexible zones.
no code implementations • 28 Feb 2023 • Lucas Fuentes Valenzuela, Anthony Degleris, Abbas El Gamal, Marco Pavone, Ram Rajagopal
The method is model agnostic; it can compute LMEs for any convex optimization-based dispatch model, including some of the complex dispatch models employed by system operators in real electricity systems.
no code implementations • 4 Jan 2023 • Tianyuan Huang, Timothy Dai, Zhecheng Wang, Hesu Yoon, Hao Sheng, Andrew Y. Ng, Ram Rajagopal, Jackelyn Hwang
Neighborhood gentrification plays a significant role in shaping the social and economic well-being of both individuals and communities at large.
no code implementations • 4 Aug 2022 • Sonia Martin, Simona Onori, Ram Rajagopal
Battery energy storage systems (BESSs) provide many benefits to the electricity grid, including stability, backup power, and flexibility in introducing more clean energy sources.
no code implementations • 5 Jun 2022 • Kevin Mayer, Lukas Haas, Tianyuan Huang, Juan Bernabé-Moreno, Ram Rajagopal, Martin Fischer
Current methods to determine the energy efficiency of buildings require on-site visits of certified energy auditors which makes the process slow, costly, and geographically incomplete.
no code implementations • 22 Apr 2022 • Xiao Chen, Chad Zanocco, June Flora, Ram Rajagopal
In this research, we propose and test a new framework for understanding residential electricity demand by using a dynamic energy lifestyles approach that is iterative and highly extensible.
1 code implementation • 29 Nov 2021 • Oskar Triebe, Hansika Hewamalage, Polina Pilyugina, Nikolay Laptev, Christoph Bergmeir, Ram Rajagopal
NeuralProphet is a hybrid forecasting framework based on PyTorch and trained with standard deep learning methods, making it easy for developers to extend the framework.
no code implementations • 9 Aug 2021 • Robert Buechler, Emmanuel Balogun, Arun Majumdar, Ram Rajagopal
The nexus between transportation, the power grid, and consumer behavior is more pronounced than ever before as the race to decarbonize the transportation sector intensifies.
no code implementations • 1 Jul 2021 • Justin Luke, Mauro Salazar, Ram Rajagopal, Marco Pavone
Charging infrastructure is the coupling link between power and transportation networks, thus determining charging station siting is necessary for planning of power and transportation systems.
1 code implementation • 25 May 2021 • Siobhan Powell, Gustavo Vianna Cezar, Elpiniki Apostolaki-Iosifidou, Ram Rajagopal
We illustrate the methodology by generating scenarios for California's 2030 charging demand including multiple charging segments and controls, with scenarios run locally in under 50 seconds, and for assisting rate design modeling the large-scale impact of a new workplace charging rate.
no code implementations • 6 May 2021 • Tianyuan Huang, Zhecheng Wang, Hao Sheng, Andrew Y. Ng, Ram Rajagopal
Recent urbanization has coincided with the enrichment of geotagged data, such as street view and point-of-interest (POI).
no code implementations • 1 Apr 2021 • Yizheng Liao, Yang Weng, Chin-Woo Tan, Ram Rajagopal
The growing integration of distributed energy resources (DERs) in distribution grids raises various reliability issues due to DER's uncertain and complex behaviors.
no code implementations • 7 Dec 2020 • Benjamin Rausch, Kevin Mayer, Marie-Louise Arlt, Gunther Gust, Philipp Staudt, Christof Weinhardt, Dirk Neumann, Ram Rajagopal
While photovoltaic (PV) systems are installed at an unprecedented rate, reliable information on an installation level remains scarce.
no code implementations • 2 Dec 2020 • Xiao Chen, Thomas Navidi, Ram Rajagopal
Personal devices such as mobile phones can produce and store large amounts of data that can enhance machine learning models; however, this data may contain private information specific to the data owner that prevents the release of the data.
no code implementations • 26 Oct 2020 • Hao Wang, Gonzague Henri, Chin-Woo Tan, Ram Rajagopal
Electricity consumed by residential consumers counts for a significant part of global electricity consumption and utility companies can collect high-resolution load data thanks to the widely deployed advanced metering infrastructure.
no code implementations • 9 Oct 2020 • Eric Zelikman, Sharon Zhou, Jeremy Irvin, Cooper Raterink, Hao Sheng, Anand Avati, Jack Kelly, Ram Rajagopal, Andrew Y. Ng, David Gagne
Advancing probabilistic solar forecasting methods is essential to supporting the integration of solar energy into the electricity grid.
no code implementations • 12 Jun 2020 • Mohammad Rasouli, Tao Sun, Ram Rajagopal
We propose Federated Generative Adversarial Network (FedGAN) for training a GAN across distributed sources of non-independent-and-identically-distributed data sources subject to communication and privacy constraints.
no code implementations • 7 May 2020 • Hao Sheng, Xiao Chen, Jingyi Su, Ram Rajagopal, Andrew Ng
How can we effectively leverage the domain knowledge from remote sensing to better segment agriculture land cover from satellite images?
1 code implementation • 21 Apr 2020 • Mang Tik Chiu, Xingqian Xu, Kai Wang, Jennifer Hobbs, Naira Hovakimyan, Thomas S. Huang, Honghui Shi, Yunchao Wei, Zilong Huang, Alexander Schwing, Robert Brunner, Ivan Dozier, Wyatt Dozier, Karen Ghandilyan, David Wilson, Hyunseong Park, Junhee Kim, Sungho Kim, Qinghui Liu, Michael C. Kampffmeyer, Robert Jenssen, Arnt B. Salberg, Alexandre Barbosa, Rodrigo Trevisan, Bingchen Zhao, Shaozuo Yu, Siwei Yang, Yin Wang, Hao Sheng, Xiao Chen, Jingyi Su, Ram Rajagopal, Andrew Ng, Van Thong Huynh, Soo-Hyung Kim, In-Seop Na, Ujjwal Baid, Shubham Innani, Prasad Dutande, Bhakti Baheti, Sanjay Talbar, Jianyu Tang
The first Agriculture-Vision Challenge aims to encourage research in developing novel and effective algorithms for agricultural pattern recognition from aerial images, especially for the semantic segmentation task associated with our challenge dataset.
no code implementations • 29 Jan 2020 • Zhecheng Wang, Haoyuan Li, Ram Rajagopal
Understanding intrinsic patterns and predicting spatiotemporal characteristics of cities require a comprehensive representation of urban neighborhoods.
2 code implementations • 27 Nov 2019 • Oskar Triebe, Nikolay Laptev, Ram Rajagopal
In this paper we present a new framework for time-series modeling that combines the best of traditional statistical models and neural networks.
1 code implementation • 4 Oct 2019 • Xiao Chen, Thomas Navidi, Ram Rajagopal
Although the frequent monitoring of smart meters enables granular control over energy resources, it also increases the risk of leakage of private information such as income, home occupancy, and power consumption behavior that can be inferred from the data by an adversary.
Systems and Control Computers and Society Systems and Control
no code implementations • 17 May 2019 • Mohammad Rasouli, Tao Sun, Camille Pache, Patrick Panciatici, Jean Maeght, Ramesh Johari, Ram Rajagopal
The methodology consists in modelling the problem as a two-stage stochastic optimization between high priority stochastic grid services and low priority cloud storage for stochastic end users.
no code implementations • ICLR 2019 • Chong Huang, Xiao Chen, Peter Kairouz, Lalitha Sankar, Ram Rajagopal
We present Generative Adversarial Privacy and Fairness (GAPF), a data-driven framework for learning private and fair representations of the data.
1 code implementation • 1 May 2019 • Alvaro Estandia, Maximilian Schiffer, Federico Rossi, Justin Luke, Emre Can Kara, Ram Rajagopal, Marco Pavone
Specifically, we extend previous results on an optimization-based modeling approach for electric AMoD systems to jointly control an electric AMoD fleet and a series of PDNs, and analyze the benefit of coordination under load balancing constraints.
no code implementations • 20 Apr 2019 • Xiao Chen, Thomas Navidi, Stefano Ermon, Ram Rajagopal
Distributed devices such as mobile phones can produce and store large amounts of data that can enhance machine learning models; however, this data may contain private information specific to the data owner that prevents the release of the data.
no code implementations • 14 Nov 2018 • Yizheng Liao, Yang Weng, Chin-Woo Tan, Ram Rajagopal
This makes the theory on optimal change-point detection suitable to identify line outages via $\mu$PMUs with fast and accurate sampling.
no code implementations • 21 Sep 2018 • Xiao Chen, Peter Kairouz, Ram Rajagopal
Designing a data sharing mechanism without sacrificing too much privacy can be considered as a game between data holders and malicious attackers.
no code implementations • 18 Sep 2018 • Yizheng Liao, Yang Weng, Guangyi Liu, Zhongyang Zhao, Chin-Woo Tan, Ram Rajagopal
Then, this paper proves that the Chow-Liu algorithm finds the topology by utilizing power flow equations and the conditional independence relationships implied by the radial multi-phase structure of distribution grids with the presence of incorrect bus phase labels.
no code implementations • ICLR 2019 • Chong Huang, Peter Kairouz, Xiao Chen, Lalitha Sankar, Ram Rajagopal
We present a data-driven framework called generative adversarial privacy (GAP).
no code implementations • 23 Apr 2018 • Witold Oleszkiewicz, Peter Kairouz, Karol Piczak, Ram Rajagopal, Tomasz Trzcinski
Extensive evaluation on a biometric dataset of fingerprints and cartoon faces confirms usefulness of our simple yet effective method.
no code implementations • 26 Oct 2017 • Chong Huang, Peter Kairouz, Xiao Chen, Lalitha Sankar, Ram Rajagopal
On the one hand, context-free privacy solutions, such as differential privacy, provide strong privacy guarantees, but often lead to a significant reduction in utility.
no code implementations • 6 Nov 2016 • Yizheng Liao, Yang Weng, Guangyi Liu, Ram Rajagopal
The increasing penetration of distributed energy resources poses numerous reliability issues to the urban distribution grid.
no code implementations • 5 Nov 2015 • Pan Li, Baosen Zhang, Yang Weng, Ram Rajagopal
Accurate prediction of user consumption is a key part not only in understanding consumer flexibility and behavior patterns, but in the design of robust and efficient energy saving programs as well.