Results 71 to 80 of about 1,172 (171)

Delayed High Order Sliding Mode Control Using Implicit Lyapunov Function Approach

International Journal of Robust and Nonlinear Control, Volume 35, Issue 17, Page 7282-7294, 25 November 2025.
ABSTRACT This article presents a novel delayed high‐order sliding mode control strategy supported by dedicated mathematical tools. Building on the implicit Lyapunov–Razumikhin function method for establishing accelerated (hyperexponential) stability in time‐delay systems and the design of high‐order sliding mode controls for chain of integrators, we ...
Moussa Labbadi, Denis Efimov
wiley   +1 more source

A recurrent neural network for soft sensor development using CHO stable pools in fed‐batch process for SARS‐CoV‐2 spike protein production as a vaccine antigen

Biotechnology Progress, Volume 41, Issue 5, September/October 2025.
Abstract Fed‐batch recombinant therapeutic protein (RTP) production processes utilizing Chinese Hamster Ovary (CHO) cells can take a long period of time (>10 days). Within this period, not all critical features may be measured routinely, and in fact, some are only measured once the process is terminated, complicating decision making.
Sebastian‐Juan Reyes, Robert Voyer, Yves Durocher, Olivier Henry, Phuong Lan Pham   +4 more
wiley   +1 more source

Two-Port Network Theory-Based Design Method for Broadband Class J Doherty Amplifiers

IEEE Access, 2019
This paper proposes a new methodology for designing wideband Class J Doherty power amplifiers (DPAs). The paper begins by presenting a network analysis that leads to a set of design equations to govern the synthesis of the combiner network parameters ...
Yue Li, Xiaohu Fang, Ayman Jundi, Hai Huang, Slim Boumaiza   +4 more
doaj   +1 more source

Checking Linearizability of Concurrent Priority Queues [PDF]

, 2017
Efficient implementations of concurrent objects such as atomic collections are essential to modern computing. Unfortunately their correctness criteria — linearizability with respect to given ADT specifications — are hard to verify.
Bouajjani, Ahmed, Wang, Chao, Enea, Constantin   +2 more
core   +1 more source

Optimal Irrigation Strategies and Adaptive Decision‐Making Under Groundwater Pumping Restrictions and Precipitation Uncertainties

Water Resources Research, Volume 61, Issue 7, July 2025.
Abstract Innovative groundwater management strategies are needed to preserve aquifers for crop irrigation. For sustainability to be lasting, any strategy must balance environmental goals with the economic aims of farmers. These tradeoffs are difficult to manage due to the inherent uncertainty in farming.
Qiuyun Cecilia Yu, Qi Li, Guiping Hu, Landon T. Marston   +3 more
wiley   +1 more source

Equivariant geometry of singular cubic threefolds, II

Journal of the London Mathematical Society, Volume 112, Issue 1, July 2025.
Abstract We study linearizability of actions of finite groups on cubic threefolds with nonnodal isolated singularities.
Ivan Cheltsov, Lisa Marquand, Yuri Tschinkel, Zhijia Zhang   +3 more
wiley   +1 more source

Geometric Linearization of Ordinary Differential Equations

Symmetry, Integrability and Geometry: Methods and Applications, 2007
The linearizability of differential equations was first considered by Lie for scalar second order semi-linear ordinary differential equations. Since then there has been considerable work done on the algebraic classification of linearizable equations and ...
Asghar Qadir
doaj  

C-Integrability Test for Discrete Equations via Multiple Scale Expansions

Symmetry, Integrability and Geometry: Methods and Applications, 2010
In this paper we are extending the well known integrability theorems obtained by multiple scale techniques to the case of linearizable difference equations. As an example we apply the theory to the case of a differential-difference dispersive equation of
Christian Scimiterna, Decio Levi
doaj   +1 more source

N$N$‐Soliton Matrix mKdV Solutions: Some Special Solutions Revisited

Studies in Applied Mathematics, Volume 154, Issue 6, June 2025.
ABSTRACT In this article, a general solution formula is derived for the d×d${\sf d}\times {\sf d}$‐matrix modified Korteweg–de Vries equation. Then, a solution class corresponding to special parameter choices is examined in detail. Roughly, this class can be described as N$N$‐solitons (in the sense of Goncharenko) with common phase matrix. It turns out
Sandra Carillo, Mauro Lo Schiavo, Cornelia Schiebold   +2 more
wiley   +1 more source

A Linear Approximation of the Non-linear Modified Langumir and Van der Pol Differential Equations by the Application of the Generalized Sundman Transformation

UMYU Scientifica Journal
The non-linear ordinary differential equations of Langumir and Van der Pol are challenging to solve analytically. Thus, this work aims to convert these non-linear equations into linear form so that they may be easily solved.
Joel Mvendaga Orverem
doaj   +1 more source