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Uncertainty modeling has become increasingly important in power system decision-making. The widely-used tractable uncertainty modeling method-chance constraints with Conditional Value at Risk (CVaR) approximation, can be overconservative…

最优化与控制 · 数学 2024-07-02 Yilin Wen , Yi Guo , Zechun Hu , Gabriela Hug

This paper analyses the impact of conservation by voltage reduction (CVR) on voltage stability margin (VSM) considering transmission and distribution (T&D) systems. VSM is determined by P-V curve analysis using PSSE and GridLAB-D solvers to…

信号处理 · 电气工程与系统科学 2019-12-25 Alok Kumar Bharati , Venkataramana Ajjarapu , Zhaoyu Wang

Modern wireless communication systems necessitate the development of cost-effective resource allocation strategies, while ensuring maximal system performance. While commonly realizable via efficient waterfilling schemes, ergodic-optimal…

信号处理 · 电气工程与系统科学 2024-12-03 Gokberk Yaylali , Dionysios S. Kalogerias

Heating, ventilation, and air-conditioning (HVAC) systems are ideal demand-side flexible resources to provide regulation services. However, finding the best hourly regulation capacity offers for HVAC systems in a power market ahead of time…

最优化与控制 · 数学 2022-01-26 Ge Chen , Hongcai Zhang , Hongxun Hui , Yonghua Song

Integrating renewable energy into the power grid requires intelligent risk-aware dispatch accounting for the stochastic availability of renewables. Toward achieving this goal, a robust DC optimal flow problem is developed in the present…

最优化与控制 · 数学 2013-10-29 Yu Zhang , Georgios B. Giannakis

In this paper, a new Volt/Var Control (VVC) scheme is proposed to facilitate the coordination between the conventional VVC devices and the new smart PV inverters to provide an effective voltage control on a system with high PV penetration.…

信号处理 · 电气工程与系统科学 2019-01-01 Yue Shi , Mesut Baran

Inflexible combined heat and power (CHP) plants and uncertain wind power production result in excess power in distribution networks, which leads to inverse power flow challenging grid operations. Power-to-X facilities such as electrolysers…

系统与控制 · 电气工程与系统科学 2025-07-15 Sen Zhan , Peng Hou , Guangya Yang

We study stochastic decentralized optimization for the problem of training machine learning models with large-scale distributed data. We extend the widely used EXTRA and DIGing methods with variance reduction (VR), and propose two methods:…

最优化与控制 · 数学 2022-08-30 Huan Li , Zhouchen Lin , Yongchun Fang

Data-driven machine learning methodologies have attracted considerable attention for the control and estimation of dynamical systems. However, such implementations suffer from a lack of predictability and robustness. Thus, adoption of…

系统与控制 · 电气工程与系统科学 2025-09-08 Aditya Gahlawat , Sambhu H. Karumanchi , Naira Hovakimyan

Microgrids incorporate distributed energy resources (DERs) and flexible loads, which can provide energy and reserve services for the main grid. However, due to uncertain renewable generations such as solar power, microgrids might…

最优化与控制 · 数学 2024-02-28 Yifu Ding , Benjamin Hobbs

Distributed model predictive control methods for uncertain systems often suffer from considerable conservatism and can tolerate only small uncertainties due to the use of robust formulations that are amenable to distributed design and…

系统与控制 · 电气工程与系统科学 2022-03-03 Simon Muntwiler , Kim P. Wabersich , Lukas Hewing , Melanie N. Zeilinger

Due to the increasing popularity of electric vehicles (EVs) and the technological advancement of EV electronics, the vehicle-to-grid (V2G) technique and large-scale scheduling algorithms have been developed to achieve a high level of…

系统与控制 · 电气工程与系统科学 2022-10-14 Yubao Zhang , Xin Chen , Yuchen Zhang

Real-time coordination of distributed energy resources (DERs) is crucial for regulating the voltage profile in distribution grids. By capitalizing on a scalable neural network (NN) architecture, one can attain decentralized DER decisions to…

机器学习 · 计算机科学 2022-04-20 Shanny Lin , Shaohui Liu , Hao Zhu

We introduce a novel data-driven method to mitigate the risk of cascading failures in delayed discrete-time Linear Time-Invariant (LTI) systems. Our approach involves formulating a distributionally robust finite-horizon optimal control…

最优化与控制 · 数学 2023-10-19 Guangyi Liu , Arash Amini , Vivek Pandey , Nader Motee

One of the most important challenges facing an electric grid is to incorporate renewables and distributed energy resources (DERs) to the grid. Because of the associated uncertainties in power generations and peak power demands,…

最优化与控制 · 数学 2016-04-15 Mayank Baranwal , Srinivasa M. Salapaka

Increased distributed Photo-Voltaic (PV) generation leads to an increase in voltages and unwarranted backflows into the grid. This paper investigates Demand Response (DR) with Electric Water Heaters (EWHs) as a way to increase the PV…

系统与控制 · 计算机科学 2014-08-08 Xiangkun Li , Theodor Borsche , Göran Andersson

Conversion rate (CVR) prediction is one of the core components in online recommender systems, and various approaches have been proposed to obtain accurate and well-calibrated CVR estimation. However, we observe that a well-trained CVR…

Active distribution networks (ADNs) incorporating massive photovoltaic (PV) devices encounter challenges of rapid voltage fluctuations and potential violations. Due to the fluctuation and intermittency of PV generation, the state gap,…

系统与控制 · 电气工程与系统科学 2024-02-28 Hong Cheng , Huan Luo , Zhi Liu , Wei Sun , Weitao Li , Qiyue Li

Ensuring safe navigation in human-populated environments is crucial for autonomous mobile robots. Although recent advances in machine learning offer promising methods to predict human trajectories in crowded areas, it remains unclear how…

机器人学 · 计算机科学 2024-03-11 Kanghyun Ryu , Negar Mehr

The increasing penetration of variable renewable energy (VRE) has brought significant challenges for power systems planning and operation. These highly variable sources are typically distributed in the grid; therefore, a detailed…