Results 81 to 90 of about 26,901,207 (342)

Modular Critical Element Recycling Platform Using a Nanoporous Additively Manufactured Gyroid

Advanced Engineering Materials, EarlyView.
A modular recycling platform integrates 3D‐printed nanoporous gyroid structures to enable efficient critical element recovery. This system utilizes a hierarchical architecture, combining macroscopic channels with polymerization‐induced nanoscale porosity. By systematically tuning structural wall thickness and resin formulation, the platform achieves an
Xiangyu Gao, Keldy Mason, Mert Gülçür, Rachel Paddock‐Lamb, Prince Alvin Fofanah, Zachariah A. Page, Michael Cullinan   +6 more
wiley   +1 more source

Finite-Time Attitude Control of Quadrotor Unmanned Aerial Vehicle with Disturbance and Actuator Saturation

Applied Sciences
This paper introduces a nonlinear dynamic inversion control algorithm designed to address unknown disturbances and actuator saturation issues in unmanned aerial vehicle (UAV) attitude control.
Zheng Zhang, Xingwei Li, Lilian Zhang
doaj   +1 more source

Continuous finite-time TSM control for electronic throttle system

The Journal of Engineering, 2019
This article examines the position tracking difficulties of the electronic throttle (ET) system and presents a continuous finite-time terminal sliding mode (TSM) control method.
Oluwatoyin Timothy Agbaje, Shihua Li, Hao Sun, Lu Zhang   +3 more
doaj   +1 more source

On finite-time stabilization via relay feedback control [PDF]

2015 54th IEEE Conference on Decision and Control (CDC), 2015
— The problem of finite-time stabilization of multi-input linear system by means of relay feedback is considered. A new control design procedure, which combines convex embedding technique with implicit Lyapunov function method, is developed. The issues of practical implementation of the obtained implicit relay feedback are discussed. Theoretical result
Polyakov, Andrey, Hetel, Laurentiu
openaire   +2 more sources

Symmetry‐Guided Multifunctional Acoustic System Based on Mechanically Actuated Sonic Crystals

Advanced Engineering Materials, EarlyView.
This study presents the design, simulation, and experimental validation of amultifunctional acoustic metamaterial based on rotationally engineered sonic crystals.By tuning cylinder orientations, controllable band gaps and six distinct functionalities—including switching, topological insulation, beam splitting, and logic operations—areachieved ...
Yuanyan Zhao, Sriram Subramanian, Gianluca Memoli   +2 more
wiley   +1 more source

Finite Time Stability and Optimal Control for Stochastic Dynamical Systems

Axioms
In real-world applications, finite time convergence to a desired Lyapunov stable equilibrium is often necessary. This notion of stability is known as finite time stability and refers to systems in which the state trajectory reaches an equilibrium in ...
Ronit Chitre, Wassim M. Haddad
doaj   +1 more source

Finite-time stabilization for discrete fuzzy jump nonlinear systems with time delays

, 2013
This paper is concerned with the problem of finite time Hinfinity control for a class of discrete-time Markovian jump nonlinear systems with time delays represented by Takagi- Sugeno (T-S) model.
Karimi, H., Peng Shi, Sing Kiong Nguang, Hamid Reza Karimi, Yingqi Zhang, Nguang, S., Zhang, Y., Shi, P.   +7 more
core   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

Advanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran, Vincent Nebel, Dominik Perius, Kshitij Kumar, Yannis Heim, Laura Bies, Tobias Kraus   +6 more
wiley   +1 more source

Comment on “Finite-Time Control Algorithm Based on Modal State Observer for Flexible Satellite Attitude Tracking”

IEEE Access
A finite-time observer-based attitude controller is designed for a flexible satellite in the paper titled “Finite-Time Control Algorithm Based on Modal State Observer for Flexible Satellite Attitude Tracking” which is referred to as the ...
Mohammad Fathi, Hossein Bolandi, Erfan Rezai, Bahman Ghorbani Vaghei, Saeed Ebadollahi   +4 more
doaj   +1 more source

Finite-Time Control of One Dimensional Crowd Evacuation System

Journal of Advanced Transportation, 2019
This paper pertains to the study of finite-time control of one dimensional crowd evacuation system. Benefiting from the research of fluid dynamics and vehicle traffic, a one dimensional crowd evacuation system is constructed, whose density-velocity ...
Wei Qin, Baotong Cui, Zhengxian Jiang
doaj   +1 more source