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相关论文: Exploring DMD-type Algorithms for Modeling Signali…

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Dynamic mode decomposition (DMD) is a data-driven method of extracting spatial-temporal coherent modes from complex systems and providing an equation-free architecture to model and predict systems. However, in practical applications, the…

系统与控制 · 电气工程与系统科学 2024-10-07 Ningxin Liu , Shuigen Liu , Xin T. Tong , Lijian Jiang

This paper presents a data-driven method for constructing a Koopman linear model based on the Direct Encoding (DE) formula. The prevailing methods, Dynamic Mode Decomposition (DMD) and its extensions are based on least squares estimates…

机器学习 · 计算机科学 2023-01-18 Jerry Ng , Haruhiko Harry Asada

The Dynamic-Mode Decomposition (DMD) is a well established data-driven method of finding temporally evolving linear-mode decompositions of nonlinear time series. Traditionally, this method presumes that all relevant dimensions are sampled…

动力系统 · 数学 2021-01-13 Christopher W. Curtis , Daniel Jay Alford-Lago

With the advancement of sensing and communication in power networks, high-frequency real-time data from a power network can be used as a resource to develop better monitoring capabilities. In this work, a systematic approach based on…

系统与控制 · 电气工程与系统科学 2020-03-12 Subhrajit Sinha , Sai Pushpak Nandanoori , Enoch Yeung

Within this work, we investigate how data-driven numerical approximation methods of the Koopman operator can be used in practical control engineering applications. We refer to the method Extended Dynamic Mode Decomposition (EDMD), which…

系统与控制 · 电气工程与系统科学 2022-11-16 Annika Junker , Julia Timmermann , Ansgar Trächtler

Dynamic mode decomposition (DMD) gives a practical means of extracting dynamic information from data, in the form of spatial modes and their associated frequencies and growth/decay rates. DMD can be considered as a numerical approximation…

This work addresses the problem of autonomous traffic management at an isolated intersection for connected and automated vehicles. We decompose the trajectory of each vehicle into two phases: the provisional phase and the coordinated phase.…

最优化与控制 · 数学 2021-10-22 Darshan Gadginmath , Pavankumar Tallapragada

The Dynamic Mode Decomposition (DMD) is a tool of trade in computational data driven analysis of fluid flows. More generally, it is a computational device for Koopman spectral analysis of nonlinear dynamical systems, with a plethora of…

数值分析 · 数学 2017-08-10 Zlatko Drmač , Igor Mezić , Ryan Mohr

With the emergence of autonomous vehicles, it is important to understand their impact on the transportation system. However, conventional traffic simulations are time-consuming. In this paper, we introduce an analytical traffic model for…

多智能体系统 · 计算机科学 2018-09-10 Changliu Liu , Mykel J. Kochenderfer

This work establishes a rigorous bridge between infinite-dimensional delay dynamics and finite-dimensional Koopman learning, with explicit and interpretable error guarantees. While Koopman analysis is well-developed for ordinary…

系统与控制 · 电气工程与系统科学 2026-04-06 Santosh Mohan Rajkumar , Dibyasri Barman , Kumar Vikram Singh , Debdipta Goswami

Cooperative coordination at unsignalized road intersections, which aims to improve the driving safety and traffic throughput for connected and automated vehicles, has attracted increasing interests in recent years. However, most existing…

系统与控制 · 电气工程与系统科学 2023-03-23 Jiping Luo , Tingting Zhang , Rui Hao , Donglin Li , Chunsheng Chen , Zhenyu Na , Qinyu Zhang

Dynamic Mode Decomposition (DMD) is an unsupervised machine learning method that has attracted considerable attention in recent years owing to its equation-free structure, ability to easily identify coherent spatio-temporal structures in…

机器学习 · 计算机科学 2022-02-16 Alex Viguerie , Gabriel F. Barros , Malú Grave , Alessandro Reali , Alvaro L. G. A. Coutinho

Dynamic Mode Decomposition (DMD) is a popular data-driven analysis technique used to decompose complex, nonlinear systems into a set of modes, revealing underlying patterns and dynamics through spectral analysis. This review presents a…

动力系统 · 数学 2023-12-22 Matthew J. Colbrook

Dynamic Mode Decomposition (DMD) is a data-driven technique to identify a low dimensional linear time invariant dynamics underlying high-dimensional data. For systems in which such underlying low-dimensional dynamics is time-varying, a…

信号处理 · 电气工程与系统科学 2020-04-09 Mustaffa Alfatlawi , Vaibhav Srivastava

The Koopman operator and its data-driven approximations, such as extended dynamic mode decomposition (EDMD), are widely used for analysing, modelling, and controlling nonlinear dynamical systems. However, when the true Koopman…

动力系统 · 数学 2026-02-05 Roland Schurig , Pieter van Goor , Karl Worthmann , Rolf Findeisen

Dynamic Mode Decomposition (DMD) is a widely used data-driven algorithm for estimating the Koopman Operator.This paper investigates how the estimation process is affected when the data is quantized. Specifically, we examine the fundamental…

系统与控制 · 电气工程与系统科学 2024-04-03 Dipankar Maity , Debdipta Goswami , Sriram Narayanan

We present a low-rank Koopman operator formulation for accelerating deformable subspace simulation. Using a Dynamic Mode Decomposition (DMD) parameterization of the Koopman operator, our method learns the temporal evolution of deformable…

图形学 · 计算机科学 2026-02-10 Yue Chang , Peter Yichen Chen , Eitan Grinspun , Maurizio M. Chiaramonte

Accurate prediction of traffic signal duration for roadway junction is a challenging problem due to the dynamic nature of traffic flows. Though supervised learning can be used, parameters may vary across roadway junctions. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Santhosh Kelathodi Kumaran , Debi Prosad Dogra , Partha Pratim Roy

This paper presents a distributed Koopman operator learning framework for modeling unknown nonlinear dynamics using sequential observations from multiple agents. Each agent estimates a local Koopman approximation based on lifted data and…

系统与控制 · 电气工程与系统科学 2026-04-21 Ali Azarbahram , Shenyu Liu , Gian Paolo Incremona

In this paper, we propose a novel algorithm for learning the Koopman operator of a dynamical system from a \textit{small} amount of training data. In many applications of data-driven modeling, e.g. biological network modeling,…

动力系统 · 数学 2021-03-09 Subhrajit Sinha , Umesh Vaidya , Enoch Yeung