Results 11 to 20 of about 1,685,819 (260)

Optimal design of acoustic metamaterial cloaks under uncertainty [PDF]

Journal of Computational Physics, 2020
In this work, we consider the problem of optimal design of an acoustic cloak under uncertainty and develop scalable approximation and optimization methods to solve this problem.
Peng Chen, M. Haberman, O. Ghattas
semanticscholar   +1 more source

Applying a Digital Health Checklist and Readability Tools to Improve Informed Consent for Digital Health Research

Frontiers in Digital Health, 2021
Background: As research involving human participants increasingly occurs with the aid of digital tools (e.g., mobile apps, wearable and remote pervasive sensors), the consent content and delivery process is changing.
Camille Nebeker, Camille Nebeker, Maryam Gholami, Maryam Gholami, Daniah Kareem, Daniah Kareem, Emily Kim   +6 more
doaj   +1 more source

Optimized Packing Titanium Alloy Powder Particles

Computation, 2023
To obtain high-quality and durable parts by 3D printing, specific characteristics (porosity and proportion of various sizes of particles) in the mixture used for printing or sintering must be assured.
Zoia Duriagina, Alexander Pankratov, Tetyana Romanova, Igor Litvinchev, Julia Bennell, Igor Lemishka, Sergiy Maximov   +6 more
doaj   +1 more source

Multidisciplinary Design of Bipropellant Propulsion System in Three Methods, Optimal Design, Reliability Based Design and Optimal Reliability Based Design [PDF]

فصلنامه علوم و فناوری فضایی, 2021
The need to improve the reliability and safety requirements, has led to increasingly utilization of reliability based design approaches. In this study, reliability based multidisciplinary design optimization for a bipropellant propulsion system has been ...
Hojat Taei, Amirhossain Adami, Mansour Hozuri   +2 more
doaj   +1 more source

An Enhanced Methodology for Creating Digital Twins within a Paleontological Museum Using Photogrammetry and Laser Scanning Techniques

Heritage, 2023
In recent years, researchers in the field of natural heritage have intensified their efforts to develop new ways to enhance the promotion and accessibility of natural content in order to attract more audiences using virtual representations of physical ...
Markos Konstantakis, Georgios Trichopoulos, John Aliprantis, Konstantinos Michalakis, George Caridakis, Athina Thanou, Anastasios Zafeiropoulos, Stamatina Sklavounou, Christos Psarras, Symeon Papavassiliou, Efterpi Koskeridou   +10 more
doaj   +1 more source

UAV-Based Smart Educational Mechatronics System Using a MoCap Laboratory and Hardware-in-the-Loop

Sensors, 2022
Within Industry 4.0, drones appear as intelligent devices that have brought a new range of innovative applications to the industrial sector. The required knowledge and skills to manage and appropriate these technological devices are not being developed ...
Luis F. Luque-Vega, Emmanuel Lopez-Neri, Carlos A. Arellano-Muro, Luis E. González-Jiménez, Jawhar Ghommam, Maarouf Saad, Rocío Carrasco-Navarro, Riemann Ruíz-Cruz, Héctor A. Guerrero-Osuna   +8 more
doaj   +1 more source

An Optimal Design for Universal Multiport Interferometers [PDF]

, 2016
Universal multiport interferometers, which can be programmed to implement any linear transformation between multiple channels, are emerging as a powerful tool for both classical and quantum photonics.
William R. Clements, P. Humphreys, B. Metcalf, W. Kolthammer, Ian A. Walsmley   +4 more
semanticscholar   +1 more source

Mechanical Behavior of Briquettes Made from a Mixture of Sawdust and Rice Husks for Commercialization

Resources, 2022
The development of this research work seeks to determine the mechanical behavior of the compacted mixture of pine sawdust and rice husk by varying the mass percentages of these biomasses obtained in briquettes, with the purpose of being marketed.
Oscar Araque, Nelson Arzola, Laura Gallego   +2 more
doaj   +1 more source

Periodic Event-Triggered Control for the Stabilization of Robotic Manipulators

IEEE Access, 2020
This paper proposes a periodic event-triggered control (PETC) design applied to nonlinear robotic systems for joint space stabilization. The update of the control signal is based on a predefined triggering mechanism that periodically considers state ...
Saul Enrique Benitez-Garcia, Miguel Gabriel Villarreal-Cervantes, Jose Fermi Guerrero-Castellanos, Jose Pedro Sanchez-Santana   +3 more
doaj   +1 more source

A Genetic Algorithm-Enhanced Sensor Marks Selection Algorithm for Wavefront Aberration Modeling in Extreme-UV (EUV) Photolithography

Information, 2023
In photolithographic processes, nanometer-level-precision wavefront-aberration models enable the machine to be able to meet the overlay (OVL) drift and critical dimension (CD) specifications.
Aris Magklaras, Panayiotis Alefragis, Christos Gogos, Christos Valouxis, Alexios Birbas   +4 more
doaj   +1 more source