NDLI: Adaptive finite-time tracking control of 6DOF spacecraft motion with inertia parameter identification

Content Provider	IET Digital Library
Author	Zhao, Qin Duan, Guangren
Abstract	This study deals with the problem of relative motion control with 6 degrees of freedom (6DOF) for spacecrafts without a priori knowledge of the inertia parameters. Considering the system natural couplings, the integrated rotational and translational dynamics of the spacecraft are achieved. By a series of first-order filter operations, an expression of the parameter estimation error is derived and then used for the design of an integrated finite-time tracking controller applying adaptive backstepping technique. Proven by the Lyapunov theory, the proposed controller can guarantee that the errors of trajectory tracking and parameter identification simultaneously converge to zero in finite time. Furthermore, to be applied in practice, the controller is adapted for the spacecraft subject to external disturbance and input saturation. Compared with the previous control designs, the proposed control strategy can realise inertia parameter identification together with tracking of command position and attitude in finite time, in the presence of input saturation and external disturbance. The effectiveness of the control law is finally demonstrated by numerical simulations.
Starting Page	2075
Ending Page	2085
Page Count	11
ISSN	17518644
Volume Number	13
e-ISSN	17518652
Issue Number	Issue 13, Sep (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/13/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2019.0245
Journal	IET Control Theory & Applications
Publisher Date	2019-06-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	6DOF Spacecraft Motion Adaptive Backstepping Technique Adaptive Control Adaptive Finite-time Tracking Control Aerospace Control Attitude Control Command Attitude Tracking Command Position Tracking Control Law Control Nonlinearities Control Strategy Control System Analysis Control System Synthesis External Disturbance Filtering Theory Finite Time First-order Filter Operation Inertia Parameter Identification Input Saturation Integrated Finite-time Tracking Controller Integrated Rotational Dynamics Integrated Translational Dynamics Lyapunov Method Lyapunov Theory Motion Control Nonlinear Control System Parameter Estimation Parameter Estimation Error Relative Motion Control Self Adjusting Control System Signal Processing Theory Space Vehicle Spatial Variables Control Stability in Control Theory Synthesis Method System Natural Couplings Trajectory Control Trajectory Tracking Vehicle Dynamics
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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