Results 71 to 80 of about 424,486 (315)

Controller Design for Continuous-Time Linear Control Systems with Time-Varying Delay

Mathematics
This paper addresses the controller design problem for linear systems with time-varying delays. By constructing a novel Lyapunov–Krasovskii functional incorporating delay-partitioning techniques, we establish delay-dependent stability criteria for the ...
Hongli Yang, Lijuan Yang, Ivan Ganchev Ivanov   +2 more
doaj   +1 more source

Synchronisation of multiple neural networks via event‐triggered time‐varying delay hybrid impulsive control

IET Control Theory & Applications, 2021
This article discusses the exponential synchronisation problem for multiple neural networks with time‐varying delay and a more general non‐Laplacian coupling matrix is considered.
Xiaoli Ruan, Chen Xu, Jianwen Feng, Jingyi Wang, Yi Zhao   +4 more
doaj   +1 more source

Delay-dependent robust stability criteria for uncertain systems with interval time-varying delay

, 2008
This paper proposes an approach for the robust stability of\ud uncertain systems with interval time-varying delay. The key features of the\ud approach include the introduction of uncorrelated augmented matrix items\ud into the Lyapunove functional and ...
Tian, Yu-Chu, Peng, Chen
core   +1 more source

Robust filtering for discrete-time Markovian jump delay systems [PDF]

, 2004
Copyright [2004] IEEE. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services.
Liu, X, Wang, Z, Lam, J
core   +1 more source

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

Molecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen, Lucrezia De Santis, Bret M. Stephens, Vincent Bernard, Jörg C. Kalff, Lara Braun, Phillipp Leyendecker, Johannes Röttgen, Daniel Weissinger, Anirban Maitra, Paola A. Guerrero, Alexander Semaan   +11 more
wiley   +1 more source

Robust $H_{\infty}$ Control of Lurie Nonlinear Stochastic Network Control Systems With Multiple Additive Time-Varying Delay Components

IEEE Access, 2019
In order to further solve the stability problem in the actual network control systems, this paper first simultaneously considers the controlled object system delay and network time delay in the Lurie nonlinear stochastic network control systems.
Hongqian Lu, Chaoqun Guo, Yue Hu
doaj   +1 more source

Disturbance estimation based tracking control for periodic piecewise time‐varying delay systems

IET Control Theory & Applications, 2021
This work is mainly focused on the design of uncertainty and disturbance estimator‐based tracking control scheme for a class of periodic piecewise time‐varying delay systems with uncertainties and disturbances.
Rathinasamy Sakthivel, Shanmugam Harshavarthini, Nasser‐Eddine Tatar   +2 more
doaj   +1 more source

Stabilisation of hybrid stochastic differential equations by delay feedback control

, 2008
This paper is concerned with the exponential mean-square stabilisation of hybrid stochastic differential equations (also known as stochastic dierential equations with Markovian switching) by delay feedback controls.
Lam, James, Mao, X., Lam, J., Huang, Lirong, RGC HKU 7029/05P. (Funder), Mao, X, Lam, J, Mao, Xuerong, Huang, L., Huang, L, , RGC HKU 7029/05P. (Funder)   +10 more
core   +1 more source

Keratin 19 as a prognostic marker and contributing factor of metastasis and chemoresistance in high‐grade serous ovarian cancer

Molecular Oncology, EarlyView.
Keratin 19 (KRT19) is overexpressed in high‐grade serous ovarian cancer with high levels of Kallikrein‐related peptidases (KLK) 4–7 and is associated with poor survival. In vivo analyses demonstrate that elevated KRT19 increases peritoneal tumour burden.
Sophia Bielesch, Isabel Vogel, Sina Nokodian, Johanna Moeller, Antonia Blechschmidt, Vicky Hecht, Vanessa Kuentzel, Katharina Thiedig, Melissa Schwab, Oliver Schilling, Holger Bronger, Marion Kiechle, Viktor Magdolen, Tobias Dreyer   +13 more
wiley   +1 more source

Pullback attractors of nonautonomous discrete p-Laplacian complex Ginzburg–Landau equations with fast-varying delays

Advances in Difference Equations, 2020
In this paper, we consider a class of nonautonomous discrete p-Laplacian complex Ginzburg–Landau equations with time-varying delays. We prove the existence and uniqueness of pullback attractor for these equations.
Xiaoqin Pu, Xuemin Wang, Dingshi Li
doaj   +1 more source