NONLINEAR OPTIMAL CONTROL OF SPACE DOCKING AND RENDEZVOUS PROBLEM

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NAVABI M.; AKHLOMADI M.R.

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Paper Information

Journal: Journal of Space Science and Technology Year:2015 | Volume:8 | Issue:3 Page(s): 27-40

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Title

NONLINEAR OPTIMAL CONTROL OF SPACE DOCKING AND RENDEZVOUS PROBLEM

Author(s)

NAVABI M. | AKHLOMADI M.R. | Issue Writer Certificate

Keywords

ORBITAL RENDEZVOUS AND DOCKINGQ2

NONLINEAR OPTIMAL CONTROLQ3

NONLINEAR QUADRATIC REGULATORQ2

STATE DEPENDENT RICCATI EQUATIONQ2

EIGENVECTORS OF THE HAMILTONIAN MATRIXQ2

Abstract

In this paper a NONLINEAR OPTIMAL CONTROL is suggested. Spacecraft intended to rendezvous and dock with the target is controlled by actuators to have a safe and stable course while satisfying requirements. The NONLINEAR OPTIMAL CONTROLler is designed using nonlinear equations of relative position and attitude of spacecraft for circular and elliptical orbits with and without reaction wheels. Cost function of the optimal control problem is expressed in the form of NONLINEAR QUADRATIC REGULATOR and control constraints are applied to the problem to gain controls in the allowable domain which is produced by the wheels. For the sake of robustness to the uncertainties as one of the most important element of the control design, NONLINEAR OPTIMAL CONTROL is derived using state dependent Riccatti equation based on analytical method of eigen vectors of Hamiltonian matrix. Simulation results show that this nonlinear control method achieves a good performance for rendezvous and docking problem.

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APA: Copy

NAVABI, M., & AKHLOMADI, M.R.. (2015). NONLINEAR OPTIMAL CONTROL OF SPACE DOCKING AND RENDEZVOUS PROBLEM. JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST), 8(3), 27-40. SID. https://sid.ir/paper/149961/en

Vancouver: Copy

NAVABI M., AKHLOMADI M.R.. NONLINEAR OPTIMAL CONTROL OF SPACE DOCKING AND RENDEZVOUS PROBLEM. JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST)[Internet]. 2015;8(3):27-40. Available from: https://sid.ir/paper/149961/en

IEEE: Copy

M. NAVABI, and M.R. AKHLOMADI, “NONLINEAR OPTIMAL CONTROL OF SPACE DOCKING AND RENDEZVOUS PROBLEM,” JOURNAL OF SPACE SCIENCE AND TECHNOLOGY (JSST), vol. 8, no. 3, pp. 27–40, 2015, [Online]. Available: https://sid.ir/paper/149961/en

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