General heuristics for nonconvex quadratically constrained quadratic programming

J Park, S Boyd - arXiv preprint arXiv:1703.07870, 2017 - arxiv.org
We introduce the Suggest-and-Improve framework for general nonconvex quadratically
constrained quadratic programs (QCQPs). Using this framework, we generalize a number of …

Reactance perturbation for detecting and identifying FDI attacks in power system state estimation

C Liu, J Wu, C Long, D Kundur - IEEE Journal of Selected …, 2018 - ieeexplore.ieee.org
False data injection (FDI) attacks have recently been introduced as an important class of
cyberattacks in modern power systems. By coordinating the injection of false data in …

Sign projected gradient flow: A continuous-time approach to convex optimization with linear equality constraints

F Chen, W Ren - Automatica, 2020 - Elsevier
In this paper, we exploit the possibility of combining nonsmooth control jointly with projected
gradient approaches to solve convex optimization problems with linear equality constraints …

Resource allocation for transmit hybrid beamforming in decoupled millimeter wave multiuser-MIMO downlink

I Ahmed, H Khammari, A Shahid - IEEE Access, 2016 - ieeexplore.ieee.org
This paper presents a study on joint radio resource allocation and hybrid precoding in multi-
carrier massive multiple-input multiple-output communications for 5G cellular networks. In …

On the automatic construction of interface coupling operators for non-matching meshes by optimization methods

R Dvořák, JA González - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
We propose a novel optimization technique for the automatic construction of interface
operators for coupling non-matching 3D meshes. The core of the method lies in the use of …

DREAMweb: An online tool for graph‐based modeling of NMR protein structure

NR Das, KN Chaudhury, D Pal - Proteomics, 2024 - Wiley Online Library
The value of accurate protein structural models closely conforming to the experimental data
is indisputable. DREAMweb deploys an improved DREAM algorithm, DREAMv2, that …

Quality-Aware Hydraulic Control in Drinking Water Networks via Controllability Proxies

SM Elsherif, MH Kazma, AF Taha - arXiv preprint arXiv:2401.12214, 2024 - arxiv.org
The operation of water distribution networks is a complex procedure aimed at efficiently
delivering consumers with adequate water quantity while ensuring its safe quality. An added …

[HTML][HTML] A novel representation of rank constraints for real matrices

RA Delgado, JC Agüero, GC Goodwin - Linear Algebra and its Applications, 2016 - Elsevier
We present a novel representation of rank constraints for non-square real matrices. We
establish relationships with existing results and show that these are particular cases of our …

Data-Efficient Quadratic Q-Learning Using LMIs

JS van Hulst, W Heemels, DJ Antunes - arXiv preprint arXiv:2409.11986, 2024 - arxiv.org
Reinforcement learning (RL) has seen significant research and application results but often
requires large amounts of training data. This paper proposes two data-efficient off-policy RL …

Reactance perturbation for enhancing detection of FDI attacks in power system state estimation

C Liu, M Zhou, J Wu, C Long, A Farraj… - 2017 IEEE global …, 2017 - ieeexplore.ieee.org
False data injection (FDI) attacks have recently been introduced as an important class of
cyber attacks in power systems. These attacks aim to compromise multiple sensor …