Results 41 to 50 of about 1,840 (266)

Towards Advanced Intelligent and Perceptive Soft Grippers

Advanced Intelligent Systems, EarlyView.
Implementing soft yet strong and intelligent soft grippers request innovative and creative solutions in designing soft bodies and seamlessly integrating actuated systems with hierarchical sensing. This review systematically analyses soft grippers with a deep understanding of core components, from fundamental design principles to actuation and sensing ...
Haneul Kim, Hayeon Shin, Seik Park, Changbeom Shim, Seonggun Joe   +4 more
wiley   +1 more source

Intelligent Control Based on a Neural Network for Aircraft Landing Gear with a Magnetorheological Damper in Different Landing Scenarios

Applied Sciences, 2020
A typical oleo-pneumatic shock-absorbing strut (classic traditional passive damper) in aircraft landing gear has a metering pin extending through the orifice, which can vary the orifice area with the compression and extension of the damper strut. Because
Quoc Viet Luong, Dae-Sung Jang, Jai-Hyuk Hwang   +2 more
doaj   +1 more source

A New Paradigm for Understanding the Rheology and Processability of Poly(p‐Phenylene Terephthalamide) Liquid‐Crystalline Solutions

Journal of Applied Polymer Science, EarlyView.
Kevlar is traditionally modeled as a rigid‐rod polymer, yet rheological behavior deviates from this assumption. The review introduces a novel “twist‐tie” entanglement theory for aramid polymer chains in the nematic liquid crystal state, providing a molecular explanation for deviations from rigid‐rod models. Understanding twist‐tie entanglement dynamics
Emma Egli, Jacob L. Pretko, Christopher W. Seay, Steven R. Lustig   +3 more
wiley   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

The Anatomical Record, EarlyView.
Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen, Ivo Jacobs, Kristina Kverková, Lona Lalić, Alexandra Polonyiová, Patrik Stehlík, Stephan A. Reber, Mathias Osvath   +7 more
wiley   +1 more source

Analysis on dynamic characteristics of multi-strut aircraft under main landing gear coordinated steering

Xibei Gongye Daxue Xuebao
Due to their large fuselage and complex landing gear configuration, multi-strut aircraft faces significant challenges in steering control and stability during ground maneuvers.
FENG Jun, TAO Xiaojiang, GUI Xiwen, NIE Hong, ZHANG Ming, SHI Xiazheng   +5 more
doaj   +1 more source

Materials Selection of Optimized Titanium Alloys for Aircraft Applications [PDF]

Materials Research, 2018
The aim of the present work was to explore the correlation between the physical metallurgy of titanium alloys and its main attributes to select optimized materials for structural aircraft applications in the landing gear beam.
Renato Altobelli Antunes, Camilo Augusto Fernandes Salvador, Mara Cristina Lopes de Oliveira   +2 more
doaj   +2 more sources

Assessing the impact of the slopes on runway drainage capacity based on wheel/path surface adhesion conditions

Aviation, 2021
Aircraft braking distance is dependent on the friction between the main gear tires and runway pavement surface.Pavement texture, which is divided into macrotexture and micro-texture, has a noticeable effect upon friction, especially when the surface is ...
Misagh Ketabdari, Emanuele Toraldo, Maurizio Crispino   +2 more
doaj   +1 more source

Effects of Freeplay on Dynamic Stability of an Aircraft Main Landing Gear [PDF]

Journal of Aircraft, 2013
A study is made into the occurrence of shimmy oscillations in a dual-wheel main landing gear. Nonlinear equations of motion are developed for the system, and various effects are considered, including gyroscopic coupling, nonlinear tire properties, geometric nonlinearities, and fluid shock damping. Of particular interest in this study is the presence of
Howcroft, Chris, Lowenberg, Mark H, Neild, Simon A, Krauskopf, Bernd   +3 more
openaire   +2 more sources

How Do Carbon Emissions Affect the Performance of Listed Latin American Firms? The Moderating Effect of Financial Slack

Business Strategy and the Environment, EarlyView.
ABSTRACT This study analyses the association between carbon emissions and financial performance in Latin American firms. The scientific literature on this topic is limited, with little evidence available in this geographical region. This study aims to address this research gap by testing hypotheses focused on analysing how Scope 1, 2 and 3 carbon ...
Ana Isabel Mendieta‐Callirgos, Maria Carmen Pérez‐López, Ismael Muñoz‐Pérez, Germán López‐Pérez   +3 more
wiley   +1 more source

Fueling Tomorrow: Scenario Planning for the Future of Gas Stations

Business Strategy and the Environment, EarlyView.
ABSTRACT Transport electrification is reshaping the service infrastructures that mediate everyday mobility, yet most electrification scenario studies remain macrolevel and offer limited insight into how incumbent forecourt (gas‐station) networks can adapt under deep uncertainty.
Joao Gabriel Rosa, Fabiano Armellini, Jean‐Marc Robert   +2 more
wiley   +1 more source