Results 21 to 30 of about 175,540,520 (123)

From analytical to data‐driven: multi‐method optimization of a bendable mirror system for dynamic focusing

Journal of Synchrotron Radiation, EarlyView.
A small‐radius‐of‐curvature bendable mirror system is developed for dynamic focusing in X‐ray free‐electron laser and synchrotron radiation beamlines, and a transfer‐learning neural‐network and differential‐evolution framework is used for force‐to‐shape modeling and inverse optimization.
Baoning Sun, Zhixiang Wen, Qinghao Zhu, Jun Luo, Tairong Xu, Lingfeng Zhu, Yaxiang Liang, Jitao Sun, Zhuo Li, Shun Xia, Zhongmin Xu, Meiyi Wu, Qinming Li, Weiqing Zhang, Xueming Yang   +14 more
wiley   +1 more source

KYP lemma based stability and control law design for differential linear repetitive processes with applications

, 2013
Repetitive processes are a class of two-dimensional systems that have physical applications, including the design of iterative learning control laws where experimental validation results have been reported.
Galkowski, Krzysztof, Paszke, Wojciech, Rogers, Eric   +2 more
core   +1 more source

Comparative review of entanglement risk assessments for cetacean conservation and management

Conservation Biology, EarlyView.
Abstract Cetacean entanglement in fishing gear remains a major global threat that exposes persistent gaps in how fisheries management frameworks manage risk to nontarget species. Ecological risk assessment (ERA) offers a structured way to link exposure and consequences to an explicit statement of risk, but entanglement risk assessments vary widely in ...
Laura Joan Feyrer, Clair Evers, Hilary Moors‐Murphy   +2 more
wiley   +1 more source

Control Design Based on Generalized Lur'e Lyapunov Functions for Sampled‐Data Lur'e Systems

International Journal of Robust and Nonlinear Control, Volume 36, Issue 16, Page 7450-7463, 10 November 2026.
ABSTRACT This article addresses the synthesis of stabilizing control laws for aperiodic sampled‐data Lur'e systems. Based on a hybrid system representation of the closed‐loop system and a timer‐dependent generalized Lur'e–Postnikov type Lyapunov function, stabilization conditions are obtained by separating decision variables with the application of two
Arthur Scolari Fagundes, João Manoel Gomes da Silva Jr., Sophie Tarbouriech   +2 more
wiley   +1 more source

Popov - Belevitch - Hautus type controllability tests for linear complementarity systems [PDF]

, 2007
It is well-known that checking certain controllability properties of very simple piecewise linear systems are undecidable problems. This paper deals with the controllability problem of a class of piecewise linear systems, known as linear complementarity ...
Çamlıbel, Mehmet Kanat
core   +1 more source

Dissipative dynamical systems with set-valued feedback loops Well-posed set-valued Lur'e dynamical systems [PDF]

, 2022
International audiencePassivity and dissipativity, in Jan Willems’s sense, are known to be powerful tools for stability analysis and feedback control design. For instance, passive systems in negative feedback interconnection with slope-restricted, static,
Brogliato, Bernard, Bernard Brogliato
core   +1 more source

Nonlinear Aging of the Human TCR Repertoire Is Influenced by Sex, CMV, and Cancer

Aging Cell, Volume 25, Issue 11, November 2026.
Aging is associated with a nonlinear decline in peripheral blood TCR repertoire diversity, with an accelerated decline after ~50 years, while sex, CMV infection, and cancer further shape TCR diversity. The age‐associated decrease in diversity was accompanied by shifts in clonal and T cell subtype composition.
Naja Lange, Asbjørn K. Attermann, Randi Istrup Juul, Laura Andersen, Iver Nordentoft, Leon Eyrich Jessen, Nicholas McGranahan, Hugo J. W. L. Aerts, Lars Dyrskjøt, Nicolai J. Birkbak   +9 more
wiley   +1 more source

Biogeography and Reinterpretation of the Evolution of Paternal Care Scenario in Belostomatidae (Insecta, Hemiptera)

Journal of Biogeography, Volume 53, Issue 10, October 2026.
ABSTRACT Aim To estimate the origin and diversification times of the main lineages of Belostomatidae, with emphasis on the subfamilies Belostomatinae and Lethocerinae; to reconstruct the biogeographical history of the family's representatives, estimating which locations may have served as important sources of immigration and emigration events and ...
José Ricardo Inacio Ribeiro, Fabiano Stefanello, Shin‐ya Ohba, Eric Guilbert   +3 more
wiley   +1 more source

Output-feedback control of Lur’e-type systems with set-valued nonlinearities: A Popov-criterion approach

, 2008
This paper presents an output-feedback controller design for Lur'e-type systems with set-valued nonlinearities in the feedback loop based on a generalization of a Popov-like criterion. Hereto, we introduce the concept of absolute input-to-state stability
Wouw, van de, N., Heemels, W.P.M.H., J.C.A. de Bruin, Bruijn, J., W.P.M.H. Heemels, A. Doris, Nijmeijer, H., H. Nijmeijer, Doris, A., N. van de Wouw   +9 more
core   +1 more source

Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level

Reviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Understanding the coastal zone of the Antarctic Ice Sheet (AIS), where it interacts with the Southern Ocean and warmer air masses, is crucial for predicting Antarctica's influence on the global climate and sea level. This region has multiple tipping mechanisms that could trigger large, rapid, and potentially irreversible changes in the AIS ...
Kenichi Matsuoka, Geir Moholdt, Jennifer F. Arthur, Julien A. Bodart, Xiangbin Cui, Fausto Ferraccioli, René Forsberg, Vikram Goel, Tom A. Jordan, Felicity S. McCormack, Ruth Mottram, Hamish D. Pritchard, Calvin Shackleton, Kirsty J. Tinto, Fredrik Boberg, Marie G. P. Cavitte, Reinhard Drews, Pierre Dutrieux, Jörg Ebbing, Olaf Eisen, Hannes Eisermann, Alex S. Gardner, Chad A. Greene, Nicholas Holschuh, Stewart S. R. Jamieson, Byeong‐Hoon Kim, Naomi Krauzig, Bernd Kulessa, Carlton Leuschen, Jilu Li, Lu Li, Jonas Liebsch, Joseph A. MacGregor, Emma MacKie, Anirudha Mahagaonkar, Joséphine Maton, Mathieu Morlighem, Francisco Navarro, Peter D. Neff, Inès N. Otosaka, Frank Pattyn, Antonia Ruppel, Rebecca J. Sanderson, Hélène Seroussi, Andrew Shepherd, Matthew R. Siegfried, Thomas Slater, Arjen P. Stroeven, Michael Studinger, Thomas Teisberg, Ryan A. Venturelli, Jeremy P. Winberry, Chen Zhao, Lu An, Jonathan L. Bamber, Robin E. Bell, Robert G. Bingham, Johanna Brehmer‐Moltmann, Graeme Eagles, Jamin Greenbaum, Jorn Gronset, Won Sang Lee, Emmanuel Le Meur, Lenneke M. Jong, Katrin Lindbäck, Sven Lidström, Mareen Lösing, Masahiro Minowa, Mayuri Pandey, Yogesh Ray, Mirko Scheinert, Dustin M. Schroeder, Thorsten Seehaus, Kaian Shahateet, Daniel Steinhage, Xueyuan Tang, Drew Taylor, Hannah Verboncoeur, Junjun Yang, Duncan A. Young   +79 more
wiley   +1 more source