Results 21 to 30 of about 5,531,893 (193)

Quantum Dynamic Mode Decomposition Algorithm for High-Dimensional Time Series Analysis

Intelligent Computing, 2023
The dynamic mode decomposition (DMD) algorithm is a widely used factorization and dimensionality reduction technique in time series analysis. When analyzing high-dimensional time series, the DMD algorithm requires extremely large amounts of computational
Cheng Xue, Zhao-Yun Chen, Tai-Ping Sun, Xiao-Fan Xu, Si-Ming Chen, Huan-Yu Liu, Xi-Ning Zhuang, Yu-Chun Wu, Guo-Ping Guo   +8 more
doaj   +1 more source

Fast model-based design of high performance permanent magnet machine for next generation electric propulsion for urban aerial vehicle application

CES Transactions on Electrical Machines and Systems, 2021
Model order reduction (MOR) is considered as a good alternative to reduce the computational scale for electro-magnetic problems. The aim of this work is to introduce the use of dynamic mode decomposition (DMD) as a promising tool for MOR to analyze its ...
Sarbajit Paul, Junghwan Chang
doaj   +1 more source

Experimental Study of Dynamical Airfoil and Aerodynamic Prediction

Actuators, 2022
Dynamic stall is a critical limiting factor for airfoil aerodynamics and a challenging problem for active flow control. In this experimental study, dynamic stall was measured by high-frequency surface pressure tapes and pressure-sensitive paint (PSP ...
Zheyu Shi, Kaiwen Zhou, Chen Qin, Xin Wen   +3 more
doaj   +1 more source

Identification of dynamic textures using Dynamic Mode Decomposition [PDF]

, 2020
Dynamic Textures (DTs) are image sequences of moving scenes that present stationary properties in time. In this paper, we apply Dynamic Mode Decomposition (DMD) and Dynamic Mode Decomposition with Control (DMDc) to identify a parametric model of dynamic ...
Valceschini, Nicholas, Mazzoleni, Mirko, Previdi, Fabio, Previtali, Davide   +3 more
core   +1 more source

Internal Flow Structure of Torque Converter Analyzed with Dynamic Mode Decomposition under Steady Driving Condition

International Journal of Automotive Engineering, 2020
The structure of the flow field inside a torque converter was quantitatively evaluated using dynamic mode decomposition (DMD). The input time series data in the interference region of the cascade blades were measured using particle image velocimetry (PIV)
Yasunori Kunisaki, Shigeru Murata, Yohsuke Tanaka   +2 more
doaj   +1 more source

Applying Dynamic Mode Decomposition to Interconnected Systems for Forecasting and System Identification [PDF]

, 2023
Dynamic Mode Decomposition (DMD) describes a family of dynamical systems analysis approaches that approximate complex, likely non-linear behaviors with a low-rank linear operator.
Bridges, Noah
core  

Identification of Linear Time-Invariant Systems with Dynamic Mode Decomposition

Mathematics, 2022
Dynamic mode decomposition (DMD) is a popular data-driven framework to extract linear dynamics from complex high-dimensional systems. In this work, we study the system identification properties of DMD.
Jan Heiland, Benjamin Unger
doaj   +1 more source

Comparison of the Atmospheric 200 hPa Jet’s Analyses between Proper Orthogonal Decomposition and Advanced Dynamic Mode Decomposition Method

Advances in Meteorology, 2020
In this paper, a frequently employed technique named the sparsity-promoting dynamic mode decomposition (SPDMD) is proposed to analyze the velocity fields of atmospheric motion.
Mei Gao, Xiao-Qun Cao, Bai-Nian Liu, Zi-Hang Han, Shi-Cheng Hou, Guo-Gui Yang   +5 more
doaj   +1 more source

Higher order dynamic mode decomposition [PDF]

, 2017
This paper deals with an extension of dynamic mode decomposition (DMD), which is appropriate to treat general periodic and quasi-periodic dynamics, and transients decaying to periodic and quasiperiodic attractors, including cases (not accessible to ...
Vega De Prada, Jose Manuel, Le Clainche Martinez, Soledad, Soledad Le Clainche, José M. Vega   +3 more
core   +1 more source

Optimized Dynamic Mode Decomposition via Non-Convex Regularization and Multiscale Permutation Entropy

Entropy, 2018
Dynamic mode decomposition (DMD) is essentially a hybrid algorithm based on mode decomposition and singular value decomposition, and it inevitably inherits the drawbacks of these two algorithms, including the selection strategy of truncated rank order ...
Zhang Dang, Yong Lv, Yourong Li, Cancan Yi   +3 more
doaj   +1 more source