Search Results for author: Andrey Bernstein

Found 16 papers, 1 papers with code

Network-Aware and Welfare-Maximizing Dynamic Pricing for Energy Sharing

no code implementations3 Apr 2024 Ahmed S. Alahmed, Guido Cavraro, Andrey Bernstein, Lang Tong

The proliferation of behind-the-meter (BTM) distributed energy resources (DER) within the electrical distribution network presents significant supply and demand flexibilities, but also introduces operational challenges such as voltage spikes and reverse power flows.

Feedback Optimization of Incentives for Distribution Grid Services

no code implementations28 Mar 2024 Guido Cavraro, Joshua Comden, Andrey Bernstein

Energy prices and net power injection limitations regulate the operations in distribution grids and typically ensure that operational constraints are met.

A Decentralized Market Mechanism for Energy Communities under Operating Envelopes

no code implementations27 Feb 2024 Ahmed S. Alahmed, Guido Cavraro, Andrey Bernstein, Lang Tong

We propose an operating envelopes (OEs) aware energy community market mechanism that dynamically charges/rewards its members based on two-part pricing.

Equitable Networked Microgrid Topology Reconfiguration for Wildfire Risk Mitigation

no code implementations6 Feb 2024 Yuqi Zhou, Ahmed Zamzam, Andrey Bernstein

Increasing amount of wildfires in recent years consistently challenges the safe and reliable operations of power systems.

Fairness

Operating-Envelopes-Aware Decentralized Welfare Maximization for Energy Communities

no code implementations11 Oct 2023 Ahmed S. Alahmed, Guido Cavraro, Andrey Bernstein, Lang Tong

We propose an operating-envelope-aware, prosumer-centric, and efficient energy community that aggregates individual and shared community distributed energy resources and transacts with a regulated distribution system operator (DSO) under a generalized net energy metering tariff design.

Enabling Grid-Aware Market Participation of Aggregate Flexible Resources

no code implementations26 Jul 2022 Bai Cui, Ahmed Zamzam, Andrey Bernstein

This paper proposes efficient optimization formulations and solution approaches for the characterization of hourly as well as multi-time-step generation cost curves for a distribution system with high penetration of DERs.

A Generalized LinDistFlow Model for Power Flow Analysis

no code implementations5 Apr 2021 Jianqiao Huang, Bai Cui, Xinyang Zhou, Andrey Bernstein

This paper proposes a new linear power flow model for distribution system with accurate voltage magnitude estimates.

Ripple-Type Control for Enhancing Resilience of Networked Physical Systems

no code implementations24 Mar 2021 Manish K. Singh, Guido Cavraro, Andrey Bernstein, Vassilis Kekatos

Distributed control agents have been advocated as an effective means for improving the resiliency of our physical infrastructures under unexpected events.

Vocal Bursts Type Prediction

Accelerating Optimization and Reinforcement Learning with Quasi-Stochastic Approximation

no code implementations30 Sep 2020 Shuhang Chen, Adithya Devraj, Andrey Bernstein, Sean Meyn

(ii) With gain $a_t = g/(1+t)$ the results are not as sharp: the rate of convergence $1/t$ holds only if $I + g A^*$ is Hurwitz.

reinforcement-learning Reinforcement Learning (RL)

Online State Estimation for Time-Varying Systems

no code implementations31 May 2020 Guido Cavraro, Emiliano Dall'Anese, Joshua Comden, Andrey Bernstein

The paper investigates the problem of estimating the state of a time-varying system with a linear measurement model; in particular, the paper considers the case where the number of measurements available can be smaller than the number of states.

Model-Free State Estimation Using Low-Rank Canonical Polyadic Decomposition

no code implementations13 Apr 2020 Ahmed S. Zamzam, Yajing Liu, Andrey Bernstein

As electric grids experience high penetration levels of renewable generation, fundamental changes are required to address real-time situational awareness.

Imputation

Physics-Informed Deep Neural Network Method for Limited Observability State Estimation

1 code implementation14 Oct 2019 Jonatan Ostrometzky, Konstantin Berestizshevsky, Andrey Bernstein, Gil Zussman

We show that our method leads to a superior accuracy of the estimation when compared to the case when no physical information is provided.

Robust Matrix Completion State Estimation in Distribution Systems

no code implementations6 Feb 2019 Bo Liu, Hongyu Wu, Yingchen Zhang, Rui Yang, Andrey Bernstein

It can estimate the system state in a low-observability system and has robust estimates without the bad data detection process in the face of multiple bad data.

Matrix Completion

Bi-Level Online Control without Regret

no code implementations18 Feb 2017 Andrey Bernstein

This paper considers a bi-level discrete-time control framework with real-time constraints, consisting of several local controllers and a central controller.

Response-Based Approachability and its Application to Generalized No-Regret Algorithms

no code implementations30 Dec 2013 Andrey Bernstein, Nahum Shimkin

The first (primary) condition is a geometric separation condition, while the second (dual) condition requires that the set be {\em non-excludable}, namely that for every mixed action of the opponent there exists a mixed action of the agent (a {\em response}) such that the resulting payoff vector belongs to $S$.

Online Classification with Specificity Constraints

no code implementations NeurIPS 2010 Andrey Bernstein, Shie Mannor, Nahum Shimkin

To our best knowledge, this is the first algorithm that addresses the problem of the average tp-rate maximization under average fp-rate constraints in the online setting.

Binary Classification Classification +2

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