Results 291 to 300 of about 827,445 (334)
TreeSpider: In‐Canopy Exploration With Tether‐Based Aerial Modular Arms
Advanced Robotics Research, EarlyView.A tethered drone with perching arms and a 360° ring enables unprecedented maneuverability within dense forest canopies. By dynamically adjusting tether length and decoupling pitch from the frame, it navigates between branches, senses multiple trees, and interacts physically with foliage.
Luca Romanello +7 more
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Advanced Robotics Research, EarlyView.This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska +2 more
wiley +1 more source
Learning perceptions, satisfaction, and performance of flight attendant major students: insights from Jining Normal University [PDF]
Zhang, Xuhong +2 more
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Asymmetry in Skipping Enhances Viability Against Control Input Noise
Advanced Robotics Research, EarlyView.Quadruped animals use asymmetric galloping gaits at high speeds, yet the functional role of this asymmetry remains unclear. This study shows that left–right asymmetry in touchdown angles enhances robustness to control noise. Using a simple two‐legged locomotion model and viability theory, it demonstrates that asymmetric skipping substantially enlarges ...
Yuichi Ambe, Alvin So, Shinya Aoi
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Mariner Mars 1971 attitude control subsystem flight performance
, 1973 Larissa Luísa Schumacher
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SPIE Proceedings, 1989
CAI, a Division of RECON/OPTICAL, INC. has developed an Airborne Minefield Detection and Reconnaissance System (AMIDARS)* which provides passive day/night reconnaissance of minefields, armored/ground vehicles, troop concentrations, bridges/railways and buildings from unmanned reconnaissance vehicles.
Donna Nettleton, Richard Groenwald
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CAI, a Division of RECON/OPTICAL, INC. has developed an Airborne Minefield Detection and Reconnaissance System (AMIDARS)* which provides passive day/night reconnaissance of minefields, armored/ground vehicles, troop concentrations, bridges/railways and buildings from unmanned reconnaissance vehicles.
Donna Nettleton, Richard Groenwald
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Flight Hours and Flight Crew Performance in Commercial Aviation
Aviation, Space, and Environmental Medicine, 2012To examine the relationship between a pilot's flight hours and their performance.There is current debate in the aviation industry on the minimum hours required for first officers to gain before they can fly for an airline. Despite years of pilot training and licensing, there are very little data available to determine whether or not pilot performance ...
Melanie A, Todd, Matthew J W, Thomas
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3rd Aerodynamic Deceleration Systems Conference, 1970
Abstract : The steady state flight performance of the Parafoil is computed by using aerodynamic coefficient data obtained from wind tunnel tests of both small scale models and full scale aspect ratio 2.0 units. The actual free flight performance of the Parafoil is obtained from both manned ascending flights and manned jumps from aircraft.
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Abstract : The steady state flight performance of the Parafoil is computed by using aerodynamic coefficient data obtained from wind tunnel tests of both small scale models and full scale aspect ratio 2.0 units. The actual free flight performance of the Parafoil is obtained from both manned ascending flights and manned jumps from aircraft.
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THE COMMUNICATIONS TECHNOLOGY SATELLITE FLIGHT PERFORMANCE
Acta Astronautica, 1977The Communications Technology Satellite (Hermes) was launched by NASA on 17 January 1976 as part of a joint U.S./Canadian program in which Canada designed, assembled and now operates the satellite. The satellite's primary features include a travelling wave tube (TWT) operating at a frequency of 12 Gigahertz with a power output of greater than 200 watts,
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