Rotation vector and its complement parameterization for singularity-free corotational shell element formulations
Sign Up to like & getrecommendations! Published in 2019 at "Computational Mechanics"
DOI: 10.1007/s00466-019-01681-8
Abstract: Theoretical and computational aspects of rotation vector and its complement parameterization are examined in detail in this paper. The mutual relationships between the variations of rotation vector and its complement and the spin variable are… read more here.
Keywords: singularity free; vector complement; rotation; rotation vector ... See more keywords
A Singularity-free Steering Law of Roof Array of Control Moment Gyros for Agile Spacecraft Maneuver
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Control, Automation and Systems"
DOI: 10.1007/s12555-019-0008-6
Abstract: In this paper, a singularity-free steering law for single gimbal control moment gyros (CMGs) is addressed for agile spacecraft. The geometrical array considered particularly in this work is a roof array due to the simplicity… read more here.
Keywords: array; control; free steering; steering law ... See more keywords
NMPC for Racing Using a Singularity-Free Path-Parametric Model with Obstacle Avoidance
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.12.1376
Abstract: Abstract This work presents the real-time control of 1:43 scale autonomous race cars using nonlinear model predictive control based on a singularity-free prediction model. This model allows the car to drive at both low and… read more here.
Keywords: singularity free; racing using; using singularity; model ... See more keywords
Singularity-free adaptive fault-tolerant trajectory tracking controller for VTOL UAVs
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DOI: 10.1080/00207721.2017.1306147
Abstract: ABSTRACT This paper exploits a singularity-free adaptive fault-tolerant controller for vertical take-off and landing (VTOL) unmanned airborne vehicles (UAVs) to fulfill trajectory tracking manoeuvres, which is robust against parametric uncertainties, actuator faults and unexpected disturbances.… read more here.
Keywords: adaptive fault; free adaptive; singularity; controller ... See more keywords
Singularity-Free Fixed-Time Fuzzy Control for Robotic Systems With User-Defined Performance
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Fuzzy Systems"
DOI: 10.1109/tfuzz.2020.2999746
Abstract: In this article, the singularity-free adaptive fuzzy fixed-time control problem is studied for an uncertain n-link robotic system with the position tracking error constraint. The controlled robotic system can be described as a multiple-input–multiple-output system.To… read more here.
Keywords: control; time; fixed time; performance ... See more keywords
Identification and Control of Nonlinear Systems Using Neural Networks: A Singularity-Free Approach
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Neural Networks and Learning Systems"
DOI: 10.1109/tnnls.2018.2886135
Abstract: In this paper, identification and control for a class of nonlinear systems with unknown constant or variable control gains are investigated. By reformulating the original system dynamic equation into a new form with a unit… read more here.
Keywords: singularity free; identification control; control; identification ... See more keywords