Trajectory optimization for lunar rover performing vertical takeoff vertical landing maneuvers in the presence of terrain
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.03.013
Abstract: Abstract This study presents a trajectory optimization framework for lunar rover performing vertical takeoff vertical landing (VTVL) maneuvers in the presence of terrain using variable-thrust propulsion. First, a VTVL trajectory optimization problem with three-dimensional kinematics… read more here.
Keywords: trajectory optimization; performing vertical; lunar rover; rover performing ... See more keywords
Numerical and experimental study on vertical takeoff and separation of the compound aircraft
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3171337
Abstract: The traditional technical solution to achieve vertical take-off of the fixed-wing aircraft is adding power components, which will inevitably increase the weight of aircraft. This paper proposes a compound flight scheme to achieve vertical take-off… read more here.
Keywords: aircraft; compound aircraft; vertical take; separation ... See more keywords
Design of a Passive Vertical Takeoff and Landing Aquatic UAV
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2016.2633623
Abstract: With the goal of extending unmanned aerial vehicles mission duration, a solar recharge strategy is envisioned with lakes as preferred charging and standby areas. The Sherbrooke University Water-Air VEhicle (SUWAVE) concept developed is able to… read more here.
Keywords: takeoff; design passive; passive vertical; takeoff landing ... See more keywords
Active Vertical Takeoff of an Aquatic UAV
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2020.3003296
Abstract: To extend the mission duration of smaller unmanned aerial vehicles, this letter presents a solar recharge approach that uses lakes as landing, charging, and standby areas. The Sherbrooke University Water-Air VEhicle (SUWAVE) is a small… read more here.
Keywords: active vertical; takeoff aquatic; vertical takeoff; aquatic uav ... See more keywords
Stability Analysis of Tailsitters in Vertical Takeoff and Landing Flights
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Aircraft"
DOI: 10.2514/1.c035209
Abstract: The stability of tailsitters is severely impacted by ground friction/reaction forces when the landing gear contacts the ground. This paper analyzes the stability of tailsitters during taking off fr... read more here.
Keywords: stability analysis; analysis tailsitters; vertical takeoff; stability ... See more keywords
Aerodynamics of Flapping Wings for Vertical Takeoff
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Fluid Mechanics"
DOI: 10.29252/jafm.73.245.26959
Abstract: The present study is based on analysing a flapping based locomotion in vertical direction which is inspired from jelly fish in vertical locomotion. A numerical investigation is performed to analyse the aerodynamic performance in terms… read more here.
Keywords: flapping wings; locomotion; aerodynamics flapping; aerodynamics ... See more keywords