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The main contribution of this paper is the extension of the well-known boundary-control strategy based on structural invariants to the control of infinite-dimensional systems with in-domain actuation. The systems under consideration,…

最优化与控制 · 数学 2021-04-20 Tobias Malzer , Hubert Rams , Markus Schöberl

The moment method is used to prove the exact controllability of a wide class of bidimensional linear dispersive PDE's posed on the two-dimensional torus $\mathbb{T}^{2}.$ The control function is considered to be acting on a small vertical…

偏微分方程分析 · 数学 2022-10-18 Francisco J. Vielma Leal , Ademir Pastor

This study concerns with singularly perturbed systems of second-order reaction-diffusion equations in ODE's. To handle this type of problems, a numerical-asymptotic hybrid method is employed. In this hybrid method, an efficient asymptotic…

数值分析 · 数学 2018-08-15 Suleyman Cengizci , Natesan Srinivasan , M. Tarik Atay

Many reaction-diffusion systems in various applications exhibit traveling wave solutions that evolve on multiple spatio-temporal scales. These traveling wave solutions are crucial for understanding the underlying dynamics of the system. In…

数值分析 · 数学 2024-07-15 Jiaxi Gu , Daniel Olmos-Liceaga , Jae-Hun Jung

Physics-guided sampling with diffusion model priors has shown promise for solving partial differential equation (PDE) governed problems, but applications to chemically meaningful reaction-transport systems remain limited. We apply…

化学物理 · 物理学 2026-03-06 Andrew Millard , Henrik Pedersen

This paper is concerned with the interaction between a planar traveling front and a compact obstacle for monotone bistable reaction-diffusion systems in exterior domains. By constructing appropriate sub- and supersolutions, we first…

偏微分方程分析 · 数学 2026-03-25 Yang-Yang Yan , Wei-Jie Sheng

This article investigates the non-stationary reaction-diffusion-advection equation, emphasizing solutions with internal layers and the associated inverse problems. We examine a nonlinear singularly perturbed partial differential equation…

数值分析 · 数学 2025-02-06 Dmitrii Chaikovskii , Ye Zhang , Aleksei Liubavin

Motivated by active wing flutter suppression in high-Mach-number flight, this paper presents a rapid boundary stabilization strategy for a two-dimensional PDE-modeled elastic plate with in-domain instabilities, where the exponential…

系统与控制 · 电气工程与系统科学 2026-03-03 Xingzhi Huang , Ji Wang

In this paper, adaptive set-point regulation controllers for discrete-time nonlinear systems are constructed. The system to be controlled is assumed to have a parametric uncertainty, and an excitation signal is used in order to obtain the…

最优化与控制 · 数学 2015-05-25 Shigeru Hanba

This paper presents boundary observer design for space and time dependent reaction-advection-diffusion equations using backstepping method. The method uses only a single measurement at the boundary of the systems. The existence of the…

偏微分方程分析 · 数学 2017-09-19 Agus Hasan

We consider the decentralized control of radial distribution systems with controllable photovoltaic inverters and energy storage resources. For such systems, we investigate the problem of designing fully decentralized controllers that…

最优化与控制 · 数学 2017-05-03 Weixuan Lin , Eilyan Bitar

An adaptive funnel control method is considered for the regulation of the output for a class of nonlinear infinite-dimensional systems on real Hilbert spaces. After a decomposition of the state space and some change of variables related to…

最优化与控制 · 数学 2022-04-06 Anthony Hastir , Joseph J. Winkin , Denis Dochain

In this paper, we study an optimal control problem for a coupled non-linear system of reaction-diffusion equations with degenerate diffusion, consisting of two partial differential equations representing the density of cells and the…

最优化与控制 · 数学 2024-07-11 Georges Chamoun , Mazen Saad , Toni Sayah , Sarah Serhal

This paper discusses the in-domain feedback stabilization of reaction-diffusion PDEs with Robin boundary conditions in the presence of an uncertain time- and spatially-varying delay in the distributed actuation. The proposed control design…

最优化与控制 · 数学 2021-08-18 Hugo Lhachemi , Christophe Prieur , Robert Shorten

Diffusion models demonstrate superior performance in capturing complex distributions from large-scale datasets, providing a promising solution for quadrupedal locomotion control. However, the robustness of the diffusion planner is…

机器人学 · 计算机科学 2025-03-04 Xinyi Yuan , Zhiwei Shang , Zifan Wang , Chenkai Wang , Zhao Shan , Meixin Zhu , Chenjia Bai , Xuelong Li , Weiwei Wan , Kensuke Harada

A new systematic approach to the construction of approximate solutions to a class of nonlinear singularly perturbed feedback control systems using the boundary layer functions especially with regard to the possible occurrence of the…

最优化与控制 · 数学 2017-09-07 Robert Vrabel

We establish the existence of solutions to a class of non-linear stochastic differential equation of reaction-diffusion type in an infinite-dimensional space, with diffusion corresponding to a given transition kernel. The solution obtained…

In this paper, we prove the local-controllability to positive constant trajectories of a nonlinear system of two coupled ODE equations, posed in the one-dimensional spatial setting, with nonlocal spatial nonlinearites, and using only one…

偏微分方程分析 · 数学 2020-04-28 Víctor Hernández-Santamaría , Kévin Le Balc'h

Reaction-diffusion systems with cross-diffusion terms in addition to, or instead of, the usual self-diffusion demonstrate interesting features which motivate their further study. The present work is aimed at designing a toy…

斑图形成与孤子 · 物理学 2020-09-18 Abdullah Aldurayhim , Vadim N. Biktashev

This paper presents a new resolution strategy for multi-scale streamer discharge simulations based on a second order time adaptive integration and space adaptive multiresolution. A classical fluid model is used to describe plasma…