Results 141 to 150 of about 13,806 (183)

Dual observers based sliding mode control for QUAVs with unknown disturbances and time varying delays. [PDF]

Sci Rep
Liang C, Ding Y, Weng F, Chen W, Li J.
europepmc   +1 more source

Operational aspects of V/STOL aircraft [PDF]

Whitten, J. B.
core   +1 more source

Comparative Study of Turbofan and Turbojet Engines [PDF]

, 1957
Benser, W. A., Gabriel, D. S., Kaufman, H. R.   +2 more
core   +1 more source

Design, control, aerodynamic performances, and structural integrity investigations of compact ducted drone with co-axial propeller for high altitude surveillance. [PDF]

Sci Rep
Jayakumar SS, Subramaniam IP, Stanislaus Arputharaj B, Solaiappan SK, Rajendran P, Lee IE, Madasamy SK, Gnanasekaran RK, Karuppasamy A, Raja V.   +9 more
europepmc   +1 more source

Aerodynamic Analysis of Rotor Spacing and Attitude Transition in Tilt-Powered Coaxial Rotor UAV. [PDF]

Sensors (Basel)
Wu W, Tan X, Liu X, Luo A, Niu L.
europepmc   +1 more source

More than the passage of time: neonatal health and active labor duration, the mediating role of chorioamnionitis. [PDF]

Am J Obstet Gynecol
Tilden EL, Kissler K, Myatt L, Lundborg L, Turney M, Bovbjerg ML, Erickson EN.   +6 more
europepmc   +1 more source

Trajectory planning for drone landing, incorporating wind-sensing capabilities, operational and safety objectives, and reinforcement learning. [PDF]

Commun Eng
Xiong H, Li L, Zeng W, Li D, Liu Y, Raps F, Lou Y, Noack BR.   +7 more
europepmc   +1 more source

Transporting medicines by drones in hilly terrain of Northern Himalayas in India. [PDF]

J Family Med Prim Care
Gairolla J, Gupta P, Dobhal S, Dua R, Taneja KK, Negi G, Choudhury RK, Kotwal A, Singh M.   +8 more
europepmc   +1 more source

Machine learning evaluation model of pilot workload in a low-visibility environment. [PDF]

Sci Rep
Wang Y, Guo X, Guo S, Jiang F, Liang Z, Peng L, Chai Y.   +6 more
europepmc   +1 more source

Design and Validation of a New Tilting Rotor VTOL Drone: Structural Optimization, Flight Dynamics, and PID Control. [PDF]

Sensors (Basel)
Gong H, He W, Hou S, Chen M, Yang Z, Si Q, Zhao D.   +6 more
europepmc   +1 more source