Search Results for author: Nanpeng Yu

Found 19 papers, 2 papers with code

Impact of Flexible and Bidirectional Charging in Medium- and Heavy-Duty Trucks on California's Decarbonization Pathway

no code implementations18 Jan 2024 Osten Anderson, Wanshi Hong, Bin Wang, Nanpeng Yu

In particular, we examine the potential cost savings of electrical generation infrastructure by enabling flexible charging and bidirectional charging for these trucks.

On the Selection of Intermediate Length Representative Periods for Capacity Expansion

no code implementations5 Jan 2024 Osten Anderson, Nanpeng Yu, Konstantinos Oikonomou, Di wu

To this end, we propose a novel method for selecting representative periods of any length.

Solve Large-scale Unit Commitment Problems by Physics-informed Graph Learning

no code implementations26 Nov 2023 Jingtao Qin, Nanpeng Yu

The recent advances in graph neural networks (GNN) enable it to enhance the B&B algorithm in modern MIP solvers by learning to dive and branch.

Graph Learning

Adversarial Purification for Data-Driven Power System Event Classifiers with Diffusion Models

no code implementations13 Nov 2023 Yuanbin Cheng, Koji Yamashita, Jim Follum, Nanpeng Yu

The global deployment of the phasor measurement units (PMUs) enables real-time monitoring of the power system, which has stimulated considerable research into machine learning-based models for event detection and classification.

Computational Efficiency Event Detection

Optimizing Deep Decarbonization Pathways in California with Power System Planning Using Surrogate Level-based Lagrangian Relaxation

no code implementations13 Sep 2023 Osten Anderson, Nanpeng Yu, Mikhail Bragin

With California's ambitious goal to achieve decarbonization of the electrical grid by the year 2045, significant challenges arise in power system investment planning.

Computational Efficiency

pmuBAGE: The Benchmarking Assortment of Generated PMU Data for Power System Events

no code implementations25 Oct 2022 Brandon Foggo, Koji Yamashita, Nanpeng Yu

This paper introduces pmuGE (phasor measurement unit Generator of Events), one of the first data-driven generative model for power system event data.

Benchmarking

An Optimization Method-Assisted Ensemble Deep Reinforcement Learning Algorithm to Solve Unit Commitment Problems

no code implementations9 Jun 2022 Jingtao Qin, Yuanqi Gao, Mikhail Bragin, Nanpeng Yu

Unit commitment (UC) is a fundamental problem in the day-ahead electricity market, and it is critical to solve UC problems efficiently.

Q-Learning reinforcement-learning +1

A Reinforcement Learning-based Volt-VAR Control Dataset and Testing Environment

1 code implementation20 Apr 2022 Yuanqi Gao, Nanpeng Yu

To facilitate the development of reinforcement learning (RL) based power distribution system Volt-VAR control (VVC), this paper introduces a suite of open-source datasets for RL-based VVC algorithm research that is sample efficient, safe, and robust.

reinforcement-learning Reinforcement Learning (RL)

pmuBAGE: The Benchmarking Assortment of Generated PMU Data for Power System Events -- Part I: Overview and Results

1 code implementation3 Apr 2022 Brandon Foggo, Koji Yamashita, Nanpeng Yu

We have trained this model on thousands of actual events and created a dataset denoted pmuBAGE (the Benchmarking Assortment of Generated PMU Events).

Benchmarking

Learning to Operate an Electric Vehicle Charging Station Considering Vehicle-grid Integration

no code implementations1 Nov 2021 Zuzhao Ye, Yuanqi Gao, Nanpeng Yu

In this paper, we propose a novel centralized allocation and decentralized execution (CADE) reinforcement learning (RL) framework to maximize the charging station's profit.

Model Predictive Control reinforcement-learning +1

Machine Learning-Driven Virtual Bidding with Electricity Market Efficiency Analysis

no code implementations6 Apr 2021 Yinglun Li, Nanpeng Yu, Wei Wang

We leverage the proposed algorithmic virtual bid trading strategy to evaluate both the profitability of the virtual bid portfolio and the efficiency of U. S. wholesale electricity markets.

Algorithmic Trading BIG-bench Machine Learning +1

Estimate Three-Phase Distribution Line Parameters With Physics-Informed Graphical Learning Method

no code implementations17 Feb 2021 Wenyu Wang, Nanpeng Yu

In this paper, we develop a physics-informed graphical learning algorithm to estimate network parameters of three-phase power distribution systems.

Power System Event Identification based on Deep Neural Network with Information Loading

no code implementations13 Nov 2020 Jie Shi, Brandon Foggo, Nanpeng Yu

Online power system event identification and classification is crucial to enhancing the reliability of transmission systems.

Classification General Classification +1

Consensus Multi-Agent Reinforcement Learning for Volt-VAR Control in Power Distribution Networks

no code implementations6 Jul 2020 Yuanqi Gao, Wei Wang, Nanpeng Yu

Volt-VAR control (VVC) is a critical application in active distribution network management system to reduce network losses and improve voltage profile.

Management Multi-agent Reinforcement Learning +2

On the Maximum Mutual Information Capacity of Neural Architectures

no code implementations10 Jun 2020 Brandon Foggo, Nanpeng Yu

We derive the closed-form expression of the maximum mutual information - the maximum value of $I(X;Z)$ obtainable via training - for a broad family of neural network architectures.

Learning Theory

Improving Supervised Phase Identification Through the Theory of Information Losses

no code implementations4 Nov 2019 Brandon Foggo, Nanpeng Yu

This paper considers the problem of Phase Identification in power distribution systems.

Analyzing Data Selection Techniques with Tools from the Theory of Information Losses

no code implementations25 Feb 2019 Brandon Foggo, Nanpeng Yu

We use this framework to prove that two methods, Facility Location Selection and Transductive Experimental Design, reduce these losses.

Active Learning Experimental Design +2

Information Losses in Neural Classifiers from Sampling

no code implementations15 Feb 2019 Brandon Foggo, Nanpeng Yu, Jie Shi, Yuanqi Gao

It then bounds this expected total variation as a function of the size of randomly sampled datasets in a fairly general setting, and without bringing in any additional dependence on model complexity.

Active Learning

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