Attitude takeover control of spacecraft based on neural network predefined‐time extended state observer
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.7493
Abstract: This article introduces the problem of predefined‐time attitude takeover control for spacecraft. A novel radial basis function neural network predefined‐time extended state observer is presented, which facilitates estimation of external disturbance, unmeasurable angular velocity, and… read more here.
Keywords: attitude takeover; time; predefined time; takeover control ... See more keywords
Robust Control of Spacecraft: Application to an Actuated Simulator
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Control, Automation and Systems"
DOI: 10.1007/s12555-016-0803-2
Abstract: In this article, a hardware-in-the-loop implementation of two robust controllers based on high-order sliding mode and μ-synthesis method are performed and compared in terms of performance and functionality. The spacecraft simulator consists of a free-floating… read more here.
Keywords: robust control; simulator; control; spacecraft ... See more keywords
Dynamics and control of spacecraft with a large misaligned rotational component
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.02.029
Abstract: Abstract A new type of earth observation mission using a spacecraft with rotational payload is introduced in this paper. The kinematic and dynamic equations for the nadir-aligned attitude tracking problem are derived in the presence… read more here.
Keywords: misaligned rotational; control; control spacecraft; control law ... See more keywords
Attitude control of spacecraft simulator without angular velocity measurement
Sign Up to like & getrecommendations! Published in 2019 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2018.11.011
Abstract: Abstract In this paper the attitude control of a spacecraft simulator using Reaction Wheels (RW) as the actuators is investigated. The main goal of the current study is to bring the RWs to the rest… read more here.
Keywords: control; control spacecraft; attitude control; simulator ... See more keywords
Neural-Network Based Finite-Time Coordinated Formation Control for Spacecraft Without Unwinding
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DOI: 10.1109/access.2020.3007530
Abstract: This paper investigates the problem of rotation matrix-based attitude synchronization and tracking control for spacecraft formation flying exposed to external disturbance and unknown inertial matrix. For the purpose of ensuring finite-time convergence for attitude tracking… read more here.
Keywords: finite time; time; control spacecraft; formation ... See more keywords
Neural-Network-Based Adaptive Event-triggered Control for Spacecraft Attitude Tracking
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Neural Networks and Learning Systems"
DOI: 10.1109/tnnls.2019.2951732
Abstract: The problem of attitude tracking control for spacecraft with limited communication rate is addressed in this article. To reduce the communication burden, an adaptive event-triggered control scheme is proposed. In the control scheme, only the… read more here.
Keywords: control; adaptive event; control spacecraft; event triggered ... See more keywords
Dynamics and Control of Spacecraft Manipulators with Thrusters and Momentum Exchange Devices
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Guidance, Control, and Dynamics"
DOI: 10.2514/1.g003601
Abstract: The space sector is currently undergoing a push from the industry, several governments, and academia to enable routine satellite servicing in orbit. Among the many challenges, the complex dynamic i... read more here.
Keywords: control; control spacecraft; manipulators thrusters; thrusters momentum ... See more keywords