Results 111 to 120 of about 9,942,018 (291)

Estimate of propulsive force in front crawl swimming in young athletes

open access: yes, 2012
Marcos André Moura dos Santos,1 Marcos Lira Barbosa Junior,1 Wilson Viana de Castro Melo,1 Adalberto Veronese da Costa,2,3 Manoel da Cunha Costa11Evaluation of Human Performance Laboratory, Faculty of Physical Education, University of ...
Veronese da Costa A   +4 more
core  

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

open access: yesAdvanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Magnetic Micro‐ and Nanorobots for Precision Thrombolysis: Design Strategies and Translational Challenges

open access: yesAdvanced Robotics Research, EarlyView.
Micro‐ and nanorobots for targeted thrombolysis. This perspective elaborates on the clinical indication of blood clot disorders and current limitations for treatment. As a novel, alternative solution, micro‐ and nanorobots can be used to treat and break down thrombi.
Joshua M. Mesfin   +3 more
wiley   +1 more source

Research on Conceptual Design Method and Propulsive/Aerodynamic Coupling Characteristics of DEP STOL UAV

open access: yesDrones
This paper establishes an analytical model for component mass, takeoff weight, and performance constraints of distributed electric propulsion (DEP) propeller-driven short takeoff and landing (STOL) unmanned aerial vehicles (UAV), and develops a ...
Xin Zhao   +4 more
doaj   +1 more source

Numerical Low-Fidelity Method for Improved Analysis of Breakthrough Aero-Propulsive Systems

open access: yes, 2020
This work presents an approach to evaluating the impact of Boundary Layer Ingestion (BLI) propulsion on airplane aerodynamic performance by accounting for the propulsive system environment.
Maillet, Vincent   +4 more
core  

Intelligent Sky Guardians (InSkyGuard): An Aerial Robotic Swarm for Autonomous Detection and Entrapment of Rogue Multirotors

open access: yesAdvanced Robotics Research, EarlyView.
Intelligent Sky Guardians (InSkyGuard) is introduced as a four‐drone swarm that autonomously detects, tracks, and safely captures rogue drones using a coordinated net system. Computer vision and leader–follower control architecture enable synchronized enclosure, while integrated failsafes enhance system reliability. Validated through closed‐environment
Joshua Hastings   +6 more
wiley   +1 more source

PROPULSIVE EFFICIENCY OF ROWING [PDF]

open access: yes, 2010
The purpose of this study was to examine propulsive efficiency in competitive rowing. Oar angle, handle force, boat velocity and acceleration were measured in 21 crews using telemetry.
Kleshnev, V.
core   +1 more source

Performance evaluation approach for design space explorations of propulsive fuselage aircraft concepts [PDF]

open access: yes
A promising architecture to enhance the performance of next-generation commercial aircraft involves embedding the propulsion system within the airframe, thereby capturing energy from the fuselage through boundary layer ingestion.
Sanders, Drewan S.   +1 more
core   +1 more source

Intelligent Maintenance Review for Robots: Multimodal Information, Deep Diagnosis and Embodied Artificial Intelligence

open access: yesAdvanced Robotics Research, EarlyView.
This review maps the methods to monitor robots’ health by fusing vibration, sound, control signals, vision, force, and oil information with artificial intelligence. It identifies deep learning, transfer learning, digital twins, and physics‐informed models as key methodological pathways enabling earlier diagnosis, safer human–robot collaboration, and ...
Yuting Qiao   +6 more
wiley   +1 more source

Acute Potentiation on Propulsive-Only Jump (POJ) Performance Following Supramaximal Accentuated Eccentric Loading in High School Basketball Players

open access: yesInternational Journal of Strength and Conditioning
The purpose of this study was to investigate the acute responses of accentuated eccentric loaded (AEL) back squats to induce a post activation performance enhancement (PAPE) effect in youth athletes across three jump conditions: countermovement jump (CMJ)
John C Ditch   +3 more
doaj   +1 more source

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