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相关论文: Online PMU-Based Method for Estimating Dynamic Loa…

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In this paper, a purely measurement-based method is proposed to estimate the dynamic system state matrix by applying the regression theorem of the multivariate Ornstein-Uhlenbeck process. The proposed method employs a recursive algorithm to…

信号处理 · 电气工程与系统科学 2019-05-29 Hao Sheng , Xiaozhe Wang

In this paper, a novel method to estimate dynamic load parameters via ambient PMU measurements is proposed. Unlike conventional parameter identification methods, the proposed algorithm does not require the existence of large disturbance to…

系统与控制 · 计算机科学 2017-03-10 Xiaozhe Wang

We consider the problem of reconstructing the dynamic state matrix of transmission power grids from time-stamped PMU measurements in the regime of ambient fluctuations. Using a maximum likelihood based approach, we construct a family of…

系统与控制 · 计算机科学 2017-10-31 Andrey Y. Lokhov , Marc Vuffray , Dmitry Shemetov , Deepjyoti Deka , Michael Chertkov

This paper proposes a novel online measurement-based Wide-Area Voltage Control (WAVC) method using Phasor Measurement Unit (PMU) data in power systems with Flexible AC Transmission System (FACTS) devices. As opposed to previous WAVC…

系统与控制 · 电气工程与系统科学 2021-02-11 Georgia Pierrou , Xiaozhe Wang

Real-time tracking of inertia is important because it reflects the power system's ability to withstand contingencies and maintain frequency security. This paper proposes a practical approach to estimate inertia using ambient phasor…

系统与控制 · 电气工程与系统科学 2025-08-12 Anushka Sharma , Anamitra Pal , Rajasekhar Anguluri , Tamojit Chakraborty

In this paper, a hybrid measurement- and model-based method is proposed which can estimate the dynamic state Jacobian matrix and the dynamic system state matrix in near real-time utilizing statistical properties extracted from PMU…

系统与控制 · 计算机科学 2017-06-07 Xiaozhe Wang , Janusz Bialek , Konstantin Turitsyn

In this work, we consider the problem of online (real-time, single-shot) estimation of static or slow-varying parameters along quantum trajectories in quantum dynamical systems. Based on the measurement signal of a continuously-monitored…

量子物理 · 物理学 2024-06-19 Henrik Glavind Clausen , Pierre Rouchon , Rafal Wisniewski

This paper proposes a novel method to estimate the wheel dynamic load based on the gas pressure of a hydro-pneumatic suspension. A nonlinear coupled model between suspension chamber pressure and tire-ground contact force is developed,…

数据库 · 计算机科学 2026-03-17 Qijun Liao , Jue Yang , Subhash Rakheja , Yiting Kang , Yumeng Yao , Yuming Yin

Driver models are invaluable for planning in autonomous vehicles as well as validating their safety in simulation. Highly parameterized black-box driver models are very expressive, and can capture nuanced behavior. However, they usually…

人工智能 · 计算机科学 2020-05-07 Raunak Bhattacharyya , Ransalu Senanayake , Kyle Brown , Mykel Kochenderfer

This paper investigates online identification and prediction for nonlinear stochastic dynamical systems. In contrast to offline learning methods, we develop online algorithms that learn unknown parameters from a single trajectory. A key…

系统与控制 · 电气工程与系统科学 2025-04-07 Lantian Zhang , Silun Zhang

Dynamic state and parameter estimation methods for dynamic security assessment in power systems are becoming increasingly important for system operators. Usually, the data used for this type of applications stems from phasor measurement…

系统与控制 · 电气工程与系统科学 2022-09-01 Nicolai Lorenz-Meyer , René Suchantke , Johannes Schiffer

Dynamic state and parameter estimation (DSE) plays a key role for reliably monitoring and operating future, power-electronics-dominated power systems. While DSE is a very active research field, experimental applications of proposed…

系统与控制 · 电气工程与系统科学 2022-03-29 Nicolai Lorenz-Meyer , René Suchantke , Johannes Schiffer

This paper presents a novel parameter calibration approach for power system stability models using automatic data generation and advanced deep learning technology. A PMU-measurement-based event playback approach is used to identify…

信号处理 · 电气工程与系统科学 2019-05-09 Renke Huang , Rui Fan , Tianzhixi Yin , Shaobu Wang , Zhenyu Tan

In this paper, we analyze the use of the Ornstein-Uhlenbeck process to model dynamical systems subjected to bounded noisy perturbations. In order to discuss the main characteristics of this new approach we consider some basic models in…

We develop a method for offline parameter estimation of discrete multibody dynamics with regularized and frictional kinematic constraints. This setting leads to unobserved degrees of freedom, which we handle using joint state and parameter…

最优化与控制 · 数学 2025-02-11 Hannes Marklund , Martin Servin , Mats G Larson

Accurate identification of parameters of load models is essential in power system computations, including simulation, prediction, and stability and reliability analysis. Conventional point estimation based composite load modeling approaches…

系统与控制 · 计算机科学 2019-03-27 Chang Fu , Zhe Yu , Di Shi , Haifeng Li , Caisheng Wang , Zhiwei Wang , Jie Li

In this paper, we consider sampling an Ornstein-Uhlenbeck (OU) process through a channel for remote estimation. The goal is to minimize the mean square error (MSE) at the estimator under a sampling frequency constraint when the channel…

信息论 · 计算机科学 2023-08-30 Yuchao Chen , Haoyue Tang , Jintao Wang , Pengkun Yang , Leandros Tassiulas

Distribution systems of the future smart grid require enhancements to the reliability of distribution system state estimation (DSSE) in the face of low measurement redundancy, unsynchronized measurements, and dynamic load profiles. Micro…

系统与控制 · 电气工程与系统科学 2024-10-28 Austin Cooper , Arturo Bretas , Sean Meyn , Newton G. Bretas

Wide-area data and algorithms in large power systems are creating new opportunities for implementation of measurement-based dynamic load modeling techniques. These techniques improve the accuracy of dynamic load models, which are an…

信号处理 · 电气工程与系统科学 2019-10-24 Phylicia Cicilio , Eduardo Cotilla-Sanchez

Stochastic differential equations such as the Ornstein-Uhlenbeck process have long been used to model realworld probablistic events such as stock prices and temperature fluctuations. While statistical methods such as Maximum Likelihood…

机器学习 · 计算机科学 2026-02-05 Aroon Sankoh , Victor Wickerhauser
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