Adaptive backstepping control for autonomous shipboard landing of a quadrotor with input saturation
Sign Up to like & getrecommendations! Published in 2020 at "Asian Journal of Control"
DOI: 10.1002/asjc.2326
Abstract: This paper presents a novel autonomous shipboard landing control algorithm of a quadrotor subject to external disturbances and input saturation. A coupled six‐degrees‐of‐freedom (6‐DOF) nonlinear relative motion model is derived to facilitate the controller design.… read more here.
Keywords: shipboard landing; input saturation; quadrotor; control ... See more keywords
Flying on point clouds: Online trajectory generation and autonomous navigation for quadrotors in cluttered environments
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Field Robotics"
DOI: 10.1002/rob.21842
Abstract: Micro aerial vehicles (MAVs), especially quadrotors, have been widely used in field applications, such as disaster response, field surveillance, and search‐and‐rescue. For accomplishing such missions in challenging environments, the capability of navigating with full autonomy… read more here.
Keywords: point; point clouds; clouds online; quadrotor ... See more keywords
An adaptive backstepping sliding mode method for flight attitude of quadrotor UAVs
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Central South University"
DOI: 10.1007/s11771-018-3765-0
Abstract: To overcome nonlinear and 6-DOF (degrees of freedom) under-actuated problems for the attitude and position of quadrotor UAVs, an adaptive backstepping sliding mode method for flight attitude of quadrotor UAVs is proposed, in which an… read more here.
Keywords: quadrotor; sliding mode; quadrotor uavs; method ... See more keywords
Adaptive neural network based sliding mode altitude control for a quadrotor UAV
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Central South University"
DOI: 10.1007/s11771-018-3943-0
Abstract: Reasons and realities such as being non-linear of dynamical equations, being lightweight and unstable nature of quadrotor, along with internal and external disturbances and parametric uncertainties, have caused that the controller design for these quadrotors… read more here.
Keywords: quadrotor; sliding mode; control; altitude ... See more keywords
Adaptive tracking control of a quadrotor unmanned vehicle
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Precision Engineering and Manufacturing"
DOI: 10.1007/s12541-017-0022-7
Abstract: The design of a flight control system for an under-actuated quadrotor aircraft in presence of parametric uncertainties and external disturbance is quite challenging. In this study, we propose an adaptive trajectory tracking control base on… read more here.
Keywords: quadrotor; quadrotor unmanned; control; vehicle ... See more keywords
Finite-time Control for Image-based Visual Servoing of a Quadrotor Using Nonsingular Fast Terminal Sliding Mode
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Control, Automation and Systems"
DOI: 10.1007/s12555-019-0005-9
Abstract: This paper investigates finite-time control for image-based visual servoing (IBVS) of a quadrotor subjects to image dynamics uncertainties and external disturbances. The quadrotor model is firstly proposed, based on this model and suppose that sensors… read more here.
Keywords: time control; quadrotor; finite time; image ... See more keywords
Adaptive fractional order sliding mode control for a quadrotor with a varying load
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.01.053
Abstract: Abstract Due to their high maneuverability, quadrotors are very suitable vehicles for displacement of loads. Even so, loads can cause overweight that acts as a disturbance in momentums of inertia of quadrotor. As a result,… read more here.
Keywords: sliding mode; order sliding; fractional order; adaptive fractional ... See more keywords
Stereo vision based obstacle collision avoidance for a quadrotor using ellipsoidal bounding box and hierarchical clustering
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2020.105882
Abstract: Abstract A collision avoidance algorithm for multiple unknown static obstacles is proposed for a quadrotor system. A stereo vision system with a limited field of view and sensing range is assumed to be mounted on… read more here.
Keywords: quadrotor; bounding box; collision; stereo vision ... See more keywords
Multiple-model adaptive control architecture for a quadrotor with constant unknown mass and inertia
Sign Up to like & getrecommendations! Published in 2021 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2021.106899
Abstract: Abstract This paper proposes an architecture based on a multiple-model solution for height and yaw control of a quadrotor transporting an unknown constant load, added before the flight. Estimates of the inertial parameters (mass and… read more here.
Keywords: control; architecture; model; model adaptive ... See more keywords
Fully distributed time-varying formation tracking control for multiple quadrotor vehicles via finite-time convergent extended state observer
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Aeronautics"
DOI: 10.1016/j.cja.2020.03.004
Abstract: Abstract This paper investigates a time-varying anti-disturbance formation problem for a group of quadrotor aircrafts with time-varying uncertainties and a directed interaction topology. A novel Finite-Time Convergent Extended State Observer (FTCESO) based fully-distributed formation control… read more here.
Keywords: quadrotor; finite time; time varying; control ... See more keywords
Multiple observers based anti-disturbance control for a quadrotor UAV against payload and wind disturbances
Sign Up to like & getrecommendations! Published in 2020 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2020.104560
Abstract: Abstract This paper presents a multiple observers based anti-disturbance control (MOBADC) scheme against multiple disturbances for a quadrotor unmanned aerial vehicle (UAV). The quadrotor UAV dynamics can be represented by the Newton’s second law and… read more here.
Keywords: quadrotor; control; payload; multiple observers ... See more keywords