Results 11 to 20 of about 1,656,746 (348)

Design and Control of an Inflatable Spherical Robotic Arm for Pick and Place Applications

open access: yesActuators, 2021
We present an inflatable soft robotic arm made of fabric that leverages state-of-the-art manufacturing techniques, leading to a robust and reliable manipulator. Three bellow-type actuators are used to control two rotational degrees of freedom, as well as
Matthias Hofer   +2 more
doaj   +1 more source

Model-Free Predictive Fault-Tolerant Control for Spacecraft Roto-Translational Relative Motion [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2021
The problem of jointly controlling relative attitude and position of spacecraft in the presence of actuator fault is investigated in this paper. Following a description about drawbacks and limitations of the existing models and the control approaches ...
Mohammad Chiniforoushan   +2 more
doaj   +1 more source

Fault-Tolerant Attitude Control Incorporating Reconfiguration Control Allocation for Supersonic Tailless Aircraft

open access: yesAerospace, 2023
This paper presents a fault-tolerant attitude control scheme, incorporating reconfiguration control allocation for supersonic tailless aircraft subject to nonlinear characteristics, actuator constraint, uncertainty, and actuator faults.
Jiping Cong   +5 more
doaj   +1 more source

Actuator Fault Tolerant Control of Variable Cycle Engine Using Sliding Mode Control Scheme

open access: yesActuators, 2021
This paper presents a fault tolerant control (FTC) design for the actuator faults in a variable cycle engine (VCE). Ensured by the multiple variable geometries structure of VCE, the design is realized by distributing the control effort among the unfaulty
Yuan Yuan   +4 more
doaj   +1 more source

A Nonlinear Robust Sliding Mode Controller with Auxiliary Dynamic System for the Hovering Flight of a Tilt Tri-Rotor UAV

open access: yesApplied Sciences, 2020
The tilt tri-rotor unmanned aerial vehicle (UAV) has three flight modes: the hover mode, the transition mode, and the fixed-wing mode. Controller design in the hover mode is the premise of realizing stable flight of this kind of UAV.
Guang He   +3 more
doaj   +1 more source

A Survey of Optimal Control Allocation for Aerial Vehicle Control

open access: yesActuators, 2023
In vehicle control, control allocation is often used to abstract control variables from actuators, simplifying controller design and enhancing performance.
Till Martin Blaha   +2 more
doaj   +1 more source

Resource balancing control allocation [PDF]

open access: yesProceedings of the 2010 American Control Conference, 2010
Next generation aircraft with a large number of actuators will require advanced control allocation methods to compute the actuator commands needed to follow desired trajectories while respecting system constraints. Previously, algorithms were proposed to minimize the l 1 or l 2 norms of the tracking error and of the control effort.
Susan A. Frost, Marc Bodson
openaire   +1 more source

Efficiency Change of Control Surface of a Biomimetic Wing Morphing UAV

open access: yesIEEE Access, 2020
Variation modes of avian wings offer large-scale morphing aircraft an effective approach for solving problems such as the mass center shift in longitudinal trim and control system design during the morphing process.
Hang Ma   +3 more
doaj   +1 more source

Adaptive control allocation for constrained systems [PDF]

open access: yesAutomatica, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Seyed Shahabaldin Tohidi   +2 more
openaire   +4 more sources

A Fault-Tolerant Steering Prototype for X-Rudder Underwater Vehicles

open access: yesSensors, 2020
The X-rudder concept has been applied to more and more autonomous underwater vehicles (AUVs) in recent years, since it shows better maneuverability and robustness against rudder failure compared to the traditional cruciform rudder.
Wenjin Wang   +5 more
doaj   +1 more source

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