Results 61 to 70 of about 2,534 (231)

Adaptive us-mrac for disturbance cancellation [PDF]

open access: yes, 1995
A variable structure, model reference adaptive control (VS-MRAC) devoted to cancel interferences without the requirement of an auxiliary input is proposed.
Bertran Albertí, Eduardo   +1 more
core   +2 more sources

Hyperstate matrix models: extending demographic state spaces to higher dimensions

open access: yesMethods in Ecology and Evolution, 2016
Summary Demographic models describe population dynamics in terms of the movement of individuals among states (e.g. size, age, developmental stage, parity, frailty, physiological condition). Matrix population models originally classified individuals by a single characteristic.
Roth, G., Caswell, H.
openaire   +3 more sources

Polo‐Like Kinase 1 Phosphorylation Tunes the Functional Viscoelastic Properties of the Centrosome Scaffold

open access: yesAdvanced Science, Volume 12, Issue 45, December 4, 2025.
To enable mitotic spindle assembly during cell division, centrosomes must bear tensile stresses generated by microtubule‐mediated pulling forces. Micro‐rheology reveals that PLK‐1 phosphorylation of the scaffold protein SPD‐5 tunes the viscoelasticity, size, and morphology of the centrosome scaffold in C. elegans.
Matthew Amato   +5 more
wiley   +1 more source

Some Remarks Concerning the General Octic Functional Equation

open access: yesJournal of Mathematics, 2023
In this article, we study the stability of various forms for the general octic functional equation ∑i=099Ci−19−ifx+iy=0. We first find a special way of representing a given mapping as the sum of eight mappings.
Yang-Hi Lee, Jaiok Roh
doaj   +1 more source

Mechanical Signaling: Molecular Mechanisms, Biological Functions, Diseases, and Therapeutic Targets

open access: yesMedComm, Volume 6, Issue 12, December 2025.
In this review, we summarize cell–ECM interactions and delve into the complex mechanotransduction. We introduce advanced research methods and emerging clinical tools used to study cellular mechanical phenotypes, mechanotransduction, and disease progression. Additionally, we analyze the role of mechanical biomarkers in the development and progression of
Yicen Long   +5 more
wiley   +1 more source

Hyperstability of the k-Cubic Functional Equation in Non-Archimedean Banach Spaces

open access: yesJournal of Mathematics, 2020
Using the fixed point approach, we investigate a general hyperstability results for the following k-cubic functional equations fkx+y+fkx−y=kfx+y+kfx−y+2kk2−1fx, where k is a fixed positive integer ≥2, in ultrametric Banach spaces.
Youssef Aribou, Mohamed Rossafi
doaj   +1 more source

Consolidate Overview of Ribonucleic Acid Molecular Dynamics: From Molecular Movements to Material Innovations

open access: yesAdvanced Engineering Materials, Volume 27, Issue 22, November 2025.
Molecular dynamics simulations are advancing the study of ribonucleic acid (RNA) and RNA‐conjugated molecules. These developments include improvements in force fields, long‐timescale dynamics, and coarse‐grained models, addressing limitations and refining methods.
Kanchan Yadav, Iksoo Jang, Jong Bum Lee
wiley   +1 more source

Design of cell-type-specific hyperstable IL-4 mimetics via modular de novo scaffolds [PDF]

open access: gold, 2023
Huilin Yang   +24 more
openalex   +1 more source

Stability analysis of q-axis rotor flux based model reference adaptive system updating rotor time constant in induction motor drives

open access: yesCES Transactions on Electrical Machines and Systems, 2017
q-axis rotor flux can be chosen to form a model reference adaptive system (MRAS) updating rotor time constant online in induction motor drives. This paper presents a stability analysis of such a system with Popov's hyperstability concept and small-signal
Shuying Yang, Pengpeng Cao, Xing Zhang
doaj   +1 more source

Characterization and stability analysis of advanced multi-quadratic functional equations

open access: yesAdvances in Difference Equations, 2021
In this paper, we introduce a new quadratic functional equation and, motivated by this equation, we investigate n-variables mappings which are quadratic in each variable.
Abasalt Bodaghi   +2 more
doaj   +1 more source

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