Results 71 to 80 of about 13,806 (183)
PairTilt: Design and Control of an Active Tilt‐Rotor Quadcopter for Improved Efficiency and Agility
Advanced Intelligent Systems, Volume 7, Issue 7, July 2025.PairTilt is an actuated tilt‐rotor unmanned aerial vehicle capable of active shape reconfiguration, balancing simplicity, efficiency, and agility. Its H‐shaped frame incorporates pairwise tiltable rotors, which reduce gyroscopic torque and decouple key dynamics, enhancing maneuverability and reducing drag.
Jerry Tang, Mark W. Mueller
wiley +1 more source
Navigation and guidance requirements for commercial VTOL operations [PDF]
The NASA Langley Research Center (LaRC) has undertaken a research program to develop the navigation, guidance, control, and flight management technology base needed by Government and industry in establishing systems design concepts and operating ...
Hoffman, W. C. +2 more
core +1 more source
A Review of Modeling and Control Techniques for Unmanned Aerial Vehicles
Engineering Reports, Volume 7, Issue 6, June 2025.By systematically classifying UAV modeling techniques and comparing control methods, this paper addresses a notable gap in the current literature. Furthermore, it highlights emerging trends and challenges in UAV control systems, providing valuable insights to guide future research toward enhancing the stability, efficiency, and adaptability of ...
Elisabeth Andarge Gedefaw +2 more
wiley +1 more source
Research on the Effect Characteristics of Free-Tail Layout Parameters on Tail-Sitter VTOL UAVs
AgricultureThe tail-sitter VTOL UAV boasts not only high-speed cruising and air hovering capabilities, but also its unique tail-sitting vertical takeoff and landing and hovering attitude enable aerial operations with an exceptionally small cross-sectional area ...
Hao Qi +5 more
doaj +1 more source
Journal of General and Family Medicine, Volume 26, Issue 3, Page 195-204, May 2025.We demonstrated a combination of online medication counseling and drone delivery of medications dispensed by pharmacists in two rural clinics located far from pharmacies on remote islands in Japan. After being prescribed by physicians, dispensed by pharmacists, and online medication counseling, the medications were transported by autonomous fixed‐wing ...
Jun Miyata +5 more
wiley +1 more source
Systems Science & Control EngineeringThe Vertical Takeoff and Landing Aircraft (VTOL) is capable of both low-speed hovering and high-speed flight. This paper proposes an autonomous motion planning and anti-wind disturbance control algorithm for the VTOL, implemented spatial and temporal ...
Liben Yang +3 more
doaj +1 more source
Control of VTOL Vehicles with Thrust-direction Tilting
, 2013 An approach to the control of a VTOL vehicle equipped with complementary thrust-direction tilting capabilities that nominally yield full actuation of the vehicle's position and attitude is developed.
Hamel, Tarek +2 more
core +1 more source
Summary report of the Simulation Committee [PDF]
, 1977 Topics discussed by the simulation committee included: (1) simulators and their uses; (2) atmospheric disturbance modeling requirements; (3) Status of simulators' capabilities for modeling disturbances; and (4) status of atmospheric disturbance models ...
Kurkowski, R. L.
core +1 more source
Powered-lift aircraft technology [PDF]
Powered lift aircraft have the ability to vary the magnitude and direction of the force produced by the propulsion system so as to control the overall lift and streamwise force components of the aircraft, with the objective of enabling the aircraft to ...
Deckert, W. H., Franklin, J. A.
core +1 more source
ActuatorsThe development of unconventional and hybrid unoccupied aerial vehicles (UAVs) has gained significant momentum in recent years, with many designs utilizing small fans or rotary blades for vertical take-off and landing (VTOL). However, these systems often
Johnson Imumbhon Okoduwa +2 more
doaj +1 more source