Results 61 to 70 of about 297,714 (287)

Ferulago ternatifolia (Umbelliferae) en la provincia de Valencia [Ferulago ternatifolia (Umbelliferae), new record for the province of Valencia (Spain)] [PDF]

open access: yesFlora Montiberica, 2012
RESUMEN: Se dan a conocer las primeras localidades de Ferulago ternatifolia Solanas, M.B. Crespo & García Martín (Umbelliferae) para la provincia de Valencia. Además se aportan datos ecológicos y de conservación.
Josep Enric Oltra Benavent
doaj  

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Adiciones y correcciones a la orquidoflora valenciana, V [Additions and corrections about valencian Orchidaceae] [PDF]

open access: yesFlora Montiberica, 2013
RESUMEN: Se aportan datos sobre algunos táxones raros en la Comunidad Valenciana; a destacar la presencia de Orchis papilionacea subsp. grandiflora en Villena y Orchis collina en Santa Pola y Orihuela. También aportamos el comportamiento heterotrófico de
Lluis Serra i Laliga   +16 more
doaj  

Hopfield Neural Networks for Online Constrained Parameter Estimation With Time‐Varying Dynamics and Disturbances

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This paper proposes two projector‐based Hopfield neural network (HNN) estimators for online, constrained parameter estimation under time‐varying data, additive disturbances, and slowly drifting physical parameters. The first is a constraint‐aware HNN that enforces linear equalities and inequalities (via slack neurons) and continuously tracks the ...
Miguel Pedro Silva
wiley   +1 more source

An Adaptive Human Pilot Model With Reaction Time Delay for Enhanced Adaptive Control in Piloted Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces an adaptive human pilot model that captures pilot time‐delay effects in adaptive control systems. The model enables the prediction of pilot–controller interactions, facilitating safer integration and improved design of adaptive controllers for piloted applications.
Abdullah Habboush, Yildiray Yildiz
wiley   +1 more source

Geometric Optimization and Mechanical Performance Enhancement of Auxetic Structures for High‐Impact Applications Through Fused Deposition Modeling

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores the mechanical performance of three auxetic structures, identifying a re‐entrant‐star hybrid as the most effective for impact absorption. Finite element simulations and experiments demonstrate significant gains in energy absorption and flexural strength after geometric optimization. This study investigates the mechanical performance
Malik Hassan   +4 more
wiley   +1 more source

Algunas plantas interesantes para la flora de Aragón, IV [Some plants of interest for the flora of Aragón (NE Spain), IV] [PDF]

open access: yesFlora Montiberica, 2012
RESUMEN: Se citan por primera vez en la provincia de Huesca Coronopus didymus, Cressa cretica, Lagurus ovatus, Paspalum saurae, Senecio inaequidens, Silene pendula y Smyrnium olusatrum, y como novedad provincial para Zaragoza Silene pendula.
Javier PUENTE CABEZA
doaj  

The image of flora and fauna painting in batik craft: Phenomena in ubud, bali

open access: green, 2022
Ni Putu Laras Purnamasari   +3 more
openalex   +1 more source

MICHIGAN FLORA [PDF]

open access: yesScience, 1881
C F, Weeler, E F, Smith
openaire   +2 more sources

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