activity
20112023
most citedGeometry of Power Flows and Optimization in Distribution Networks

184 citations · 971 across the 87 of their papers we have counts for

collaborators

91 papers

eess.SY2023

Structured Neural-PI Control with End-to-End Stability and Output Tracking Guarantees

Wenqi Cui, Yan Jiang, Baosen Zhang +1

We study the optimal control of multiple-input and multiple-output dynamical systems via the design of neural network-based controllers with stability and output tracking guarantee…

eess.SY2023

Leveraging Predictions in Power System Frequency Control: an Adaptive Approach

Wenqi Cui, Guanya Shi, Yuanyuan Shi +1

Ensuring the frequency stability of electric grids with increasing renewable resources is a key problem in power system operations. In recent years, a number of advanced controller…

eess.SY2023★ 1 cited

Equilibria of Fully Decentralized Learning in Networked Systems

Yan Jiang, Wenqi Cui, Baosen Zhang +1

Existing settings of decentralized learning either require players to have full information or the system to have certain special structure that may be hard to check and hinder the…

eess.SY2023★ 2 cited

An Efficient Learning-Based Solver for Two-Stage DC Optimal Power Flow with Feasibility Guarantees

Ling Zhang, Daniel Tabas, Baosen Zhang

In this paper, we consider the scenario-based two-stage stochastic DC optimal power flow (OPF) problem for optimal and reliable dispatch when the load is facing uncertainty. Althou…

eess.SY2023★ 33 cited

PINNSim: A Simulator for Power System Dynamics based on Physics-Informed Neural Networks

Jochen Stiasny, Baosen Zhang, Spyros Chatzivasileiadis

The dynamic behaviour of a power system can be described by a system of differential-algebraic equations. Time-domain simulations are used to simulate the evolution of these dynami…

cs.LG2022

Efficient Reinforcement Learning Through Trajectory Generation

Wenqi Cui, Linbin Huang, Weiwei Yang +1

A key barrier to using reinforcement learning (RL) in many real-world applications is the requirement of a large number of system interactions to learn a good control policy. Off-p…

eess.SY2022

Interpreting Primal-Dual Algorithms for Constrained Multiagent Reinforcement Learning

Daniel Tabas, Ahmed S. Zamzam, Baosen Zhang

Constrained multiagent reinforcement learning (C-MARL) is gaining importance as MARL algorithms find new applications in real-world systems ranging from energy systems to drone swa…

eess.SY2022

Optimal Inverter-Based Resources Placement in Low-Inertia Power Systems

Atinuke Ademola-Idowu, Baosen Zhang

An increase in the integration of Inverter Based Resources (IBRs) to the electric grid, will lead to a corresponding decrease in the amount of connected synchronous generators, res…

eess.SY2022★ 2 cited

Cyber-Physical Attack Leveraging Subsynchronous Resonance

Bosong Li, Baosen Zhang, Daniel S. Kirschen

This paper discusses how a cyber attack could take advantage of torsional resonances in the shaft of turbo-generators to inflict severe physical damage to a power system. If attack…

eess.SY2022★ 2 cited

Structured Neural-PI Control for Networked Systems: Stability and Steady-State Optimality Guarantees

Wenqi Cui, Yan Jiang, Baosen Zhang +1

We study the control of networked systems with the goal of optimizing both transient and steady-state performances while providing stability guarantees. Linear proportional-integra…

eess.SY2022

Stable Reinforcement Learning for Optimal Frequency Control: A Distributed Averaging-Based Integral Approach

Yan Jiang, Wenqi Cui, Baosen Zhang +1

Frequency control plays a pivotal role in reliable power system operations. It is conventionally performed in a hierarchical way that first rapidly stabilizes the frequency deviati…

eess.SY2022

Safe and Efficient Model Predictive Control Using Neural Networks: An Interior Point Approach

Daniel Tabas, Baosen Zhang

Model predictive control (MPC) provides a useful means for controlling systems with constraints, but suffers from the computational burden of repeatedly solving an optimization pro…

eess.SY2022

Equilibrium-Independent Stability Analysis for Distribution Systems with Lossy Transmission Lines

Wenqi Cui, Baosen Zhang

Power distribution systems are becoming much more active with increased penetration of distributed energy resources. Because of the intermittent nature of these resources, the stab…

eess.SY2022

Data-Driven Modeling of Aggregate Flexibility under Uncertain and Non-Convex Load Models

Sina Taheri, Vassilis Kekatos, Harsha Veeramachaneni +1

Bundling a large number of distributed energy resources through a load aggregator has been advocated as an effective means to integrate such resources into whole-sale energy market…

eess.SY2021

State-of-Charge Aware EV Charging

Yize Chen, Baosen Zhang

Recent proliferation in electric vehicles (EVs) are posing profound impacts over the operation of electrical grids. In particular, due to the physical constraints on charging stati…

eess.SY2021★ 2 cited

A Frequency Domain Approach to Predict Power System Transients

Wenqi Cui, Weiwei Yang, Baosen Zhang

The dynamics of power grids are governed by a large number of nonlinear differential and algebraic equations (DAEs). To safely operate the system, operators need to check that the…

eess.SY2021

Learning to Solve the AC Optimal Power Flow via a Lagrangian Approach

Ling Zhang, Baosen Zhang

Using deep neural networks to predict the solutions of AC optimal power flow (ACOPF) problems has been an active direction of research. However, because the ACOPF is nonconvex, it…

eess.SY2021★ 1 cited

Decentralized Safe Reinforcement Learning for Voltage Control

Wenqi Cui, Jiayi Li, Baosen Zhang

Inverter-based distributed energy resources provide the possibility for fast time-scale voltage control by quickly adjusting their reactive power. The power-electronic interfaces a…

eess.SY2021

Computationally Efficient Safe Reinforcement Learning for Power Systems

Daniel Tabas, Baosen Zhang

We propose a computationally efficient approach to safe reinforcement learning (RL) for frequency regulation in power systems with high levels of variable renewable energy resource…

eess.SY2021

An Iterative Approach to Improving Solution Quality for AC Optimal Power Flow Problems

Ling Zhang, Baosen Zhang

The existence of multiple solutions to AC optimal power flow (ACOPF) problems has been noted for decades. Existing solvers are generally successful in finding local solutions, whic…

eess.SY2021★ 2 cited

Lyapunov-Regularized Reinforcement Learning for Power System Transient Stability

Wenqi Cui, Baosen Zhang

Transient stability of power systems is becoming increasingly important because of the growing integration of renewable resources. These resources lead to a reduction in mechanical…

eess.SY2021

An Iterative Approach to Finding Global Solutions of AC Optimal Power Flow Problems

Ling Zhang, Baosen Zhang

The existence of multiple solutions to AC optimal power flow (ACOPF) problems has been noted for decades. Existing solvers are generally successful in finding local solutions, whic…

eess.SY2020

Consensus-Based Set-Theoretic Control in Power Systems

Daniel Tabas, Baosen Zhang

Set-theoretic control is a useful technique for dealing with the uncertainty introduced into power systems by renewable energy resources. Although set operations are computationall…

eess.SY2020★ 5 cited

A Convex Neural Network Solver for DCOPF with Generalization Guarantees

Ling Zhang, Yize Chen, Baosen Zhang

The DC optimal power flow (DCOPF) problem is a fundamental problem in power systems operations and planning. With high penetration of uncertain renewable resources in power systems…