Results 121 to 130 of about 5,748 (245)

Design of an electronic image stabilization algorithm for flapping-wing flying robots

工程科学学报
During the flight of a flapping-wing flying robot, the unique flapping-wing propulsion mechanism causes periodic pitching and rolling motions of the body. In passing through different airspeeds and altitudes over different terrain, the wings cycle up-and-
Shengnan LIU, Qiang FU, Nan FENG, Chunhua ZHANG, Wei HE   +4 more
doaj   +1 more source

Carotid artery dissection linked to intermittent apnoeic swimming: A case–control study

Experimental Physiology, EarlyView.
Abstract Internal carotid artery (ICA) dissection is a rare and potentially devastating cause of cerebral ischaemia, initiated by an intimal tear or rupture of the vasa vasorum, that can lead to an intraluminal thrombus, vascular stenosis, occlusion, or dissecting aneurysm formation.
Damian M. Bailey, Richard G. Davies, Brenig L. Gwilym, Benjamin S. Stacey, Danny Walmsley, Michael H. Lewis, Josip Butkovic, Ivan Mumlek, Brad Perry, Zvonomir Vrselja, Shigehiko Ogoh, James A. Pawelczyk, Mohamad Bashir, Richard D. White, Ian M. Williams   +14 more
wiley   +1 more source

Reduced Order Modeling of Flapping Wing Flight Dynamics

, 2017
Flapping wing vehicles have become a compelling alternative to classical fixed or rotary wing aircraft, especially as unmanned aircraft technology focuses on smaller, more agile platforms. Flying insects provide an inspiration for the control of flapping
MacFarlane, Kenneth, MacFarlane, Kenneth Foster   +1 more
core   +1 more source

A Century Later: Taxonomic Review of the Neotropical Genus Hyptiocheta Becker, 1922 (Diptera: Dolichopodidae), With Description of Three New Andean Species

Austral Entomology, Volume 65, Issue 3, August 2026.
ABSTRACT The previously monotypic Neotropical genus Hyptiocheta Becker, 1922 is reviewed. Hyptiocheta convexa Becker, 1922 is redescribed, and three new species are described and illustrated from South America: H. archaeoptera Quevedo, Soares & Lamas sp. nov. (Ecuador), H. chuspi Quevedo, Soares & Gutiérrez‐Bustamante sp. nov. (Peru) and H.
Lucas Quevedo, Matheus M. M. Soares, Silvia Gutiérrez‐Bustamante, Carlos J. E. Lamas, Renato S. Capellari   +4 more
wiley   +1 more source

Flight of the Future: An Experimental Analysis of Event‐Based Vision for Online Perception Onboard Flapping‐Wing Robots

Advanced Intelligent Systems
Inspired by bird flight, flapping‐wing robots have gained significant attention due to their high maneuverability and energy efficiency. However, the development of their perception systems faces several challenges, mainly related to payload restrictions
Raul Tapia, Javier Luna‐Santamaria, Ivan Gutierrez Rodriguez, Juan Pablo Rodríguez‐Gómez, José Ramiro Martínez‐de Dios, Anibal Ollero   +5 more
doaj   +1 more source

Fluid-structure interaction characteristics of butterfly flexible flapping wings in the forward flight

Kongqi donglixue xuebao
The stiffness of flapping wings significantly influences the aerodynamic characteristics and structural response of insects in forward flight. While numerous studies have focused on the fluid-structure interaction of small insect wings, research on ...
Hanxi Zhu, Chengpeng Guo, Tiejun Zhang, Yang Zhang   +3 more
doaj   +1 more source

Odor–visual and visual–visual matching to sample with dogs

Journal of the Experimental Analysis of Behavior, Volume 126, Issue 1, July 2026.
Abstract Matching‐to‐sample (MTS) procedures are commonly employed to study learning and behavior, but they have rarely been used with dogs. One MTS procedure that might have applied and experimental value is an odor–visual matching procedure in which selection of a specific visual stimulus is reinforced following exposure to a specific odor.
Timothy L. Edwards, Felicity Campbell‐Smith, Jessica Lints, Arihant Ambalam, Iwan Downie   +4 more
wiley   +1 more source

Efficient flapping flight of pterosaurs

, 2009
In the late eighteenth century, humans discovered the first pterosaur fossil remains and have been fascinated by their existence ever since. Pterosaurs exploited their membrane wings in a sophisticated manner for flight control and propulsion, and were ...
Strang, Karl Axel
core  

Stability And Control Of Flapping Flight: Modeling, Simulation, And Analysis [PDF]

, 2013
We study the stability and control of flapping flight of insects. To quantify the stability and to assess the control, we build a 3D dynamic flight model, which takes into account the instantaneous coupling between the insect body and the wings.
Chang, Song
core  

Flapping flight for biomimetic robotic insects: Part I - System modeling

, 2006
This paper presents the mathematical modeling of flapping flight inch-size micro aerial vehicles (MAVs), namely micromechanical flying insects (MFIs). The target robotic insects are electromechanical devices propelled by a pair of independent flapping ...
DENG XY, WU WC, SASTRY SS, SCHENATO, LUCA   +3 more
core   +1 more source