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The increasing global demand for clean and environmentally friendly energy resources has caused increased interest in harnessing solar power through photovoltaic (PV) systems for smart grids and homes. However, the inherent unpredictability…

机器学习 · 计算机科学 2023-10-24 Saman Soleymani , Shima Mohammadzadeh

Decentralized methods for computing optimal real and reactive power setpoints for residential photovoltaic (PV) inverters are developed in this paper. It is known that conventional PV inverter controllers, which are designed to extract…

最优化与控制 · 数学 2014-09-12 Emiliano Dall'Anese , Sairaj V. Dhople , Brian B. Johnson , Georgios B. Giannakis

We present a method for optimizing the location of the fermion ground-state nodes using a combination of diffusion Monte Carlo (DMC) and projected gradient descent (PGD). A PGD iteration shifts the parameters of an arbitrary node-fixing…

计算物理 · 物理学 2022-04-06 John McFarland , Efstratios Manousakis

Many problems encountered in science and engineering can be formulated as estimating a low-rank object (e.g., matrices and tensors) from incomplete, and possibly corrupted, linear measurements. Through the lens of matrix and tensor…

机器学习 · 计算机科学 2023-10-11 Cong Ma , Xingyu Xu , Tian Tong , Yuejie Chi

Drift vehicle control offers valuable insights to support safe autonomous driving in extreme conditions, which hinges on tracking a particular path while maintaining the vehicle states near the drift equilibrium points (DEP). However,…

机器人学 · 计算机科学 2025-02-10 Bei Zhou , Cheng Hu , Jun Zeng , Zhouheng Li , Johannes Betz , Lei Xie , Hongye Su

A very popular approach for solving stochastic optimization problems is the stochastic gradient descent method (SGD). Although the SGD iteration is computationally cheap and the practical performance of this method may be satisfactory under…

最优化与控制 · 数学 2017-06-21 Andrei Patrascu , Ion Necoara

This paper considers the decentralized composite optimization problem. We propose a novel decentralized variance-reduction proximal-gradient algorithmic framework, called PMGT-VR, which is based on a combination of several techniques…

最优化与控制 · 数学 2021-06-08 Haishan Ye , Wei Xiong , Tong Zhang

The application of multilevel converters to renewable energy systems is a growing topic due to their advantages in energy efficiency. Regarding its control, model predictive control (MPC) has become very appealing due to its natural…

系统与控制 · 电气工程与系统科学 2021-04-06 Joaquin G. Ordonez , Francisco Gordillo , Pablo Montero-Robina , Daniel Limon

Projected Gradient Descent (PGD) methods offer a simple and scalable approach to topology optimization (TO), yet they often struggle with nonlinear and multi-constraint problems due to the complexity of active-set detection. This paper…

计算工程、金融与科学 · 计算机科学 2025-11-19 Amin Heyrani Nobari , Faez Ahmed

This paper presents a sensor-less maximum power tracking (MPT) pitch controller for grid connected Wind Turbine (WT). The main advantage of the proposed architecture is that the approach ensures smooth operation and thus minimizes the…

系统与控制 · 电气工程与系统科学 2019-09-17 Abilash Thakallapelli , Sudipta Ghosh , Sukumar Kamalasadan

In this paper, we focus on solving the decentralized optimization problem of minimizing the sum of $n$ objective functions over a multi-agent network. The agents are embedded in an undirected graph where they can only send/receive…

最优化与控制 · 数学 2024-04-23 Zhuoqing Song , Lei Shi , Shi Pu , Ming Yan

Motivated by the super-diffusivity of self-repelling random walk, which has roots in statistical physics, this paper develops a new perturbation mechanism for optimization algorithms. In this mechanism, perturbations are adapted to the…

最优化与控制 · 数学 2022-03-29 Xin Guo , Jiequn Han , Mahan Tajrobehkar , Wenpin Tang

This paper describes a new approach for using changepoint detection (CPD) to estimate the starting and stopping times of a forced oscillation (FO) in measured power system data. As with a previous application of CPD to this problem, the…

信号处理 · 电气工程与系统科学 2026-02-10 Luke Dosiek , Akaash Karn , Frank Liu

We propose a data-driven receding-horizon control method dealing with the chance-constrained output-tracking problem of unknown stochastic linear time-invariant (LTI) systems with partial state observation. The proposed method takes into…

系统与控制 · 电气工程与系统科学 2025-11-13 Ruiqi Li , John W. Simpson-Porco , Stephen L. Smith

Visual Prompt Tuning (VPT) is an effective tuning method for adapting pretrained Vision Transformers (ViTs) to downstream tasks. It leverages extra learnable tokens, known as prompts, which steer the frozen pretrained ViTs. Although VPT has…

机器学习 · 计算机科学 2023-06-09 Seungryong Yoo , Eunji Kim , Dahuin Jung , Jungbeom Lee , Sungroh Yoon

We propose a novel policy gradient method for multi-agent reinforcement learning, which leverages two different variance-reduction techniques and does not require large batches over iterations. Specifically, we propose a momentum-based…

In contemporary control theory, self-adaptive methodologies are highly esteemed for their inherent flexibility and robustness in managing modeling uncertainties. Particularly, robust adaptive control stands out owing to its potent…

机器人学 · 计算机科学 2024-07-19 Ye Zhang , Kangtong Mo , Fangzhou Shen , Xuanzhen Xu , Xingyu Zhang , Jiayue Yu , Chang Yu

Optimization-based controllers, such as Model Predictive Control (MPC), have attracted significant research interest due to their intuitive concept, constraint handling capabilities, and natural application to multi-input multi-output…

系统与控制 · 电气工程与系统科学 2024-10-24 S. A. N. Nouwens , M. M. Paulides , W. P. M. H. Heemels

Stochastic gradient descent (SGD) algorithm is an effective learning strategy to build a latent factor analysis (LFA) model on a high-dimensional and incomplete (HDI) matrix. A particle swarm optimization (PSO) algorithm is commonly adopted…

神经与进化计算 · 计算机科学 2022-08-05 Jiufang Chen , Ye Yuan

This paper is concerned with the computing efficiency of model predictive control (MPC) problems for dynamical systems with both rate and amplitude constraints on the inputs. Instead of augmenting the decision variables of the underlying…

最优化与控制 · 数学 2020-03-13 Idris Kempf , Paul Goulart , Stephen Duncan