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Article
Engineering, Aerospace
Jiang Shao et al.
Summary: A synchronization control scheme is proposed for underactuated satellite formation reconfiguration in circular orbits. The scheme controls the satellite without radial or along-track thrust to track its desired configuration and synchronizes its motion with other underactuated satellites to maintain the formation. A new underactuated control approach is presented, guaranteeing finite-time convergence of the system trajectory using a sliding mode-based underactuated controller. The synchronization control is achieved by defining the sum of sliding mode errors between neighbor followers, and the finite-time convergence is proven using a Lyapunov-based method. The minimum nonzero eigenvalue of the Laplace matrix reduces the system state convergence region, and numerical simulations verify the performance of the proposed underactuated synchronization controller.
ADVANCES IN SPACE RESEARCH
(2023)
Article
Engineering, Aerospace
Yafei Mei et al.
Summary: This paper presents a fault-tolerant control strategy for coupled spacecraft tracking maneuver in the presence of uncertainties, disturbances, actuator failures, and saturation. By deriving the kinematics and dynamics of the rigid spacecraft and developing an observer and fault-tolerant controller, the stability of the system is guaranteed despite the disturbances, as proven through Lyapunov analysis. Numerical simulations demonstrate the effectiveness of the proposed control strategy.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING
(2023)
Article
Engineering, Aerospace
Haochang Tian et al.
Summary: This paper investigates the underactuated attitude tracking control problem of tethered spacecraft during tether deploying and spinning. The main contribution is the development of an underactuated tracking controller with an adaptive barrier function that inhibits unknown disturbance. The underactuated attitude control strategy is designed by kinematic state coupling relations and dynamic backstepping technique, and is given extensive stability demonstration using Lyapunov's theory. Numerical simulations demonstrate the effectiveness and robustness of the proposed underactuated strategy in the case of tether deployment and spin-up, respectively.
ADVANCES IN SPACE RESEARCH
(2023)
Article
Engineering, Aerospace
Caisheng Wei et al.
Summary: This paper investigates the attitude tracking control problem of a rigid spacecraft subject to inertial uncertainties, uncertain space perturbations and actuator saturation. A static inertial-matrix free attitude controller is designed to guarantee the appointed-time convergence and tracking accuracy indicators of the spacecraft. Two-layer critic-action NNs are used to adaptively tune and optimize the control gains, improving the robustness and tracking performance of the static attitude controller.
ADVANCES IN SPACE RESEARCH
(2023)
Article
Engineering, Aerospace
Qingxian Jia et al.
Summary: This study investigates the issue of performance guaranteed fault-tolerant control for formation reconfiguration with collision avoidance in a multi-spacecraft system subjected to space perturbations and thruster faults. The study proposes a new nonlinear iterative learning disturbance observer to accurately reconstruct synthesized disturbance regardless of its time-varying nature. Additionally, an exponential artificial potential function with a simple structure and low computational requirement is designed to prevent spacecraft collision. A nonsingular terminal sliding mode fault-tolerant control method is explored to achieve fault-tolerant formation reconfiguration with collision avoidance capability and prescribed robust performance. Numerical simulations and comparisons are conducted to validate the effectiveness and superiority of the proposed approaches.
AEROSPACE SCIENCE AND TECHNOLOGY
(2023)
Article
Engineering, Aerospace
Bojian Liu et al.
Summary: This article addresses the problem of distributed adaptive finite-time containment control for multi-UAVs with actuator saturation, faults, and external disturbances. It proposes the use of a hyperbolic tangent function to smooth the saturation functions and a Nussbaum function to solve the variable gain issue. Adaptive laws are utilized to estimate and compensate for the bounds of disturbances. The proposed control laws ensure that follower UAVs converge into the convex hull spanned by the leaders in a finite time. The convergence of errors and the feasibility of the control law are verified through Lyapunov stability analysis and numerical simulations.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2023)
Article
Automation & Control Systems
Jiang Shao et al.
Summary: This paper proposes a synchronization control scheme for underactuated spacecraft formation hovering without along-track thrust. Feasible sets of initial positions are derived based on the nonlinear and linear relative orbital dynamics. A nonpreset parameter underactuated controller is designed to handle unmatched disturbances caused by the loss of along-track control. Additionally, a synchronization item is added to synchronize the hovering motion between follower spacecraft. The Lyapunov-based analysis shows that the stable hovering accuracy of the system states is determined by the minimum nonzero eigenvalue of the Laplace matrix corresponding to the synchronization item. Numerical simulations demonstrate the validity of the presented underactuated synchronization controller.
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
(2023)
Article
Engineering, Aerospace
Caisheng Wei et al.
Summary: This paper investigates an adaptive leader-following formation tracking control approach for multiple spacecraft under a directed communication topology with consideration of external disturbances, formation safety, and limited sensing ranges. The proposed scheme ensures that neighboring spacecraft can always move within the region of maintaining connectivity and avoiding collision by developing a novel logarithmic potential function-based approach. The specified-time stability, connectivity preservation, collision avoidance, and superior disturbance rejection capacity can be simultaneously considered in the proposed scheme, providing guaranteed formation tracking performance. The theoretical analysis for the proposed protocol has been derived using the Lyapunov theory, and extensive simulations are carried out to validate its effectiveness.
AEROSPACE SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Aerospace
Ali Mehrparwar Zinjanabi et al.
Summary: The failure of mechanical components in satellites, particularly the satellite attitude control system, is a common phenomenon. Existing studies on controlling underactuated satellites often assume a diagonal inertia matrix and do not consider limitations on torque applied by reaction wheels. This paper proposes a method that utilizes motion planning to control satellites, taking into account non-diagonal inertia matrix and limited torque. The method also considers the effect of disturbances on the controlled satellite and customizes the approach for tracking objects in space.
AEROSPACE SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Aerospace
Dong Ye et al.
Summary: In this article, a predefined-time predefined-bounded attitude tracking control scheme is proposed for rigid spacecraft with bounded external disturbances. The proposed control law can drive the attitude tracking errors to a predefined-bounded region within a predefined time, independently of initial conditions. The continuous nature of the controller ensures stability.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2022)
Article
Engineering, Aerospace
Reza Nadafi et al.
Summary: This study proposed a nonsingular attitude tracking control for an underactuated spacecraft without the need for limiting initial conditions of the quaternions, and analyzed the controller based on Lyapunov criteria and LaSalle's invariance theorem. Simulation results showed that the controller exhibited excellent robustness against various disturbances and uncertainties.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING
(2022)
Article
Automation & Control Systems
Mohamadreza Homayounzade
Summary: This paper presents a novel nonlinear disturbance observer (NDO)-based control approach for spacecraft formation flying subject to non-vanishing disturbances. A new NDO is designed to estimate unknown external disturbances. The proposed control method combines adaptive robust control with NDO-based control to create a composite adaptive controller. Simulation results demonstrate the effectiveness of the proposed control scheme in tracking performance and show relaxed conditions on controller parameter magnitudes compared to existing NDO-based controllers.
INTERNATIONAL JOURNAL OF DYNAMICS AND CONTROL
(2022)
Article
Engineering, Aerospace
Kejie Gong et al.
Summary: This article presents an ESO-based output feedback control scheme for rigid spacecraft pose tracking, which achieves superior performance with the introduction of a novel finite-time ESO and terminal sliding mode controller.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING
(2022)
Article
Engineering, Aerospace
Yan Xiao et al.
Summary: This article studies fault-tolerant attitude tracking control for rigid-flexible coupled spacecraft and proposes an adaptive fault-tolerant control scheme. By analyzing the stability of the closed-loop system, less conservative bounds on the attitude tracking error and the angular velocity error are obtained.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2022)
Article
Engineering, Aerospace
Xia Wu et al.
Summary: This paper addresses the appointed-time formation control problem for multiple spacecraft with limited communication and control resources. An event-triggered formation tracking control protocol is proposed to ensure formation tracking performance, collision avoidance, and communication transmission preservation simultaneously.
ADVANCES IN SPACE RESEARCH
(2022)
Article
Engineering, Aerospace
Hongzhu Zhang et al.
Summary: This article investigates the problem of attitude and orbit tracking maneuver control of a spacecraft system in close space missions. It proposes an adaptive compact control scheme with disturbance rejection and antiwindup features. The scheme utilizes exponential coordinates on the Lie group SE(3) to describe the relative pose and introduces a dynamic disturbance compensator and a nonsingular auxiliary system to compensate for unknown disturbances and overcome input saturation, respectively.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2022)
Article
Engineering, Aerospace
Qifeng Chen et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2022)
Article
Engineering, Aerospace
L. Buinhas et al.
Summary: The IRASSI mission aims to study pre-biotic conditions in Earth-like planets with five free-flying telescopes around the Sun-Earth L-2 point. To address the challenge of long-term science goals, a reconfiguration procedure and an optimization method using a mesh-adaptive direct search algorithm were developed. Analysis of fuel-based and Delta V-based cost functions revealed the need for different tuning strategies for optimal fuel and Delta V management in certain cases.
ADVANCES IN SPACE RESEARCH
(2021)
Article
Engineering, Aerospace
Xia Wu et al.
Summary: This research addresses the attitude tracking problem for rigid spacecraft under external disturbances, actuator saturation, and faults. By defining a finite-time prescribed performance function and developing a linear extended state observer, it achieves handling of synthetic disturbances and fault-tolerant attitude tracking control, improving control performance in a simpler design approach.
Article
Engineering, Aerospace
Minglei Zhuang et al.
Summary: This paper introduces a fixed-time stability control method for spacecraft formation reconfiguration. By designing terminal sliding mode surfaces and coordinated controllers, the system states achieve finite settling time while meeting mutual distance constraints.
CHINESE JOURNAL OF AERONAUTICS
(2021)
Article
Engineering, Aerospace
Xu Huang et al.
Summary: This paper proposes analytical solutions to optimal underactuated spacecraft formation reconfiguration in elliptic orbits, without the need for radial or in-track thrust. By using the indirect optimization method, a detailed optimization procedure was designed, and numerical simulations verified that the proposed optimal schemes can perform underactuated formation reconfiguration in an energy-optimal way. The optimal underactuated reconfiguration schemes can manage formation reconfiguration with a control cost similar to that of the fully actuated scheme, even in the absence of radial or in-track thrust.
JOURNAL OF AEROSPACE ENGINEERING
(2021)
Article
Engineering, Aerospace
Yan Xiao et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2020)
Article
Engineering, Aerospace
Yuchen She et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2019)
Article
Engineering, Aerospace
G. Di Mauro et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2019)
Article
Engineering, Aerospace
Xu Huang et al.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING
(2018)
Article
Engineering, Aerospace
Alberto Olivares et al.
Article
Engineering, Aerospace
Xu Huang et al.
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS
(2017)
Article
Thermodynamics
Dong Ye et al.
ADVANCES IN MECHANICAL ENGINEERING
(2017)
Article
Engineering, Aerospace
Xu Huang et al.
Article
Engineering, Aerospace
Xu Huang et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2016)
Article
Engineering, Aerospace
Godard et al.
Article
Engineering, Aerospace
D Mishne
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2004)
Article
Engineering, Aerospace
K Yamanaka et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2002)
Article
Engineering, Aerospace
G Inalhan et al.
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
(2002)
Article
Engineering, Aerospace
C Sabol et al.
JOURNAL OF SPACECRAFT AND ROCKETS
(2001)
