Sparsity-promoting dynamic mode decomposition

MR Jovanović, PJ Schmid, JW Nichols - Physics of Fluids, 2014 - pubs.aip.org
Dynamic mode decomposition (DMD) represents an effective means for capturing the
essential features of numerically or experimentally generated flow fields. In order to achieve …

ADMM-based distributed state estimation of smart grid under data deception and denial of service attacks

D Du, X Li, W Li, R Chen, M Fei… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Smart grid (SG) represents a large-scale network system with the tight integration of a
physical power network and an information network, which makes it more vulnerable to …

Wideband MIMO channel estimation for hybrid beamforming millimeter wave systems via random spatial sampling

E Vlachos, GC Alexandropoulos… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Millimeter Wave (mmWave) massive Multiple Input Multiple Output (MIMO) systems realizing
directive communication over large bandwidths via Hybrid analog and digital BeamForming …

Newton-Raphson consensus for distributed convex optimization

D Varagnolo, F Zanella, A Cenedese… - … on Automatic Control, 2015 - ieeexplore.ieee.org
We address the problem of distributed unconstrained convex optimization under separability
assumptions, ie, the framework where each agent of a network is endowed with a local …

Sparse attack construction and state estimation in the smart grid: Centralized and distributed models

M Ozay, I Esnaola, FTY Vural… - IEEE Journal on …, 2013 - ieeexplore.ieee.org
New methods that exploit sparse structures arising in smart grid networks are proposed for
the state estimation problem when data injection attacks are present. First, construction …

Operator splitting performance estimation: Tight contraction factors and optimal parameter selection

EK Ryu, AB Taylor, C Bergeling, P Giselsson - SIAM Journal on Optimization, 2020 - SIAM
We propose a methodology for studying the performance of common splitting methods
through semidefinite programming. We prove tightness of the methodology and demonstrate …

Alternating direction method of multipliers for non-negative matrix factorization with the beta-divergence

DL Sun, C Fevotte - 2014 IEEE international conference on …, 2014 - ieeexplore.ieee.org
Non-negative matrix factorization (NMF) is a popular method for learning interpretable
features from non-negative data, such as counts or magnitudes. Different cost functions are …

Analysis of transonic buffet using dynamic mode decomposition

A Feldhusen-Hoffmann, C Lagemann, S Loosen… - Experiments in …, 2021 - Springer
The buffet flow field around supercritical airfoils is dominated by self-sustained shock wave
oscillations on the suction side of the wing. Theories assume that this unsteadiness is driven …

On the wake flow behind a sphere in a pipe flow at low Reynolds numbers

G Yin, MC Ong - Physics of Fluids, 2020 - pubs.aip.org
Numerical simulations are carried out to investigate the flow around a stationary sphere in a
pipe. Seven sphere diameters d= 0.1D–0.9D (D is the diameter of the pipe) are chosen to …

Security constrained optimal power flow via proximal message passing

S Chakrabarti, M Kraning, E Chu… - 2014 Clemson …, 2014 - ieeexplore.ieee.org
In this paper, we propose a distributed algorithm to solve the Security Constrained Optimal
Power Flow (SC-OPF) Problem. We consider a network of devices, each with its own …