ROBUST OPTIMAL CONTROL OF FLEXIBLE SPACECRAFT DURING SLEWING MANEUVERS

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EBRAHIMI A.; MOUSAVIAN SEYED ALI AKBAR; MIRSHAMS M.

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Journal: Journal of Aerospace Science and Technology Year:2005 | Volume:2 | Issue:4 Page(s): 37-43

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Title

ROBUST OPTIMAL CONTROL OF FLEXIBLE SPACECRAFT DURING SLEWING MANEUVERS

Author(s)

EBRAHIMI A. | MOUSAVIAN SEYED ALI AKBAR | MIRSHAMS M. | Issue Writer Certificate

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Abstract

In this paper, slewing maneuver of a flexible spacecraft with a large angle of rotation is considered and, assuming structural frequency uncertainties, a robust minimum-time optimal control law is developed. Considering typical bang-bang control commands with multiple symmetrical switches, a parameter optimization procedure is introduced to find the control forces/torques. The constrained minimization problem is augmented with the robustness constraints, which in turn increases the number of switches in the bang-bang control input to match the total number of the constraint equations. The steps of the solution algorithm to obtain the time optimal control input are discussed next. The developed control law is applied to a given satellite during a slewing maneuver. The simulation results show that the robust control input with just few switching times can significantly lessen the vibrating motion of the flexible appendage in the presence of structural frequency uncertainties, which reveals the merits of the developed control law

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APA: Copy

EBRAHIMI, A., MOUSAVIAN, SEYED ALI AKBAR, & MIRSHAMS, M.. (2005). ROBUST OPTIMAL CONTROL OF FLEXIBLE SPACECRAFT DURING SLEWING MANEUVERS. JOURNAL OF AEROSPACE SCIENCE AND TECHNOLOGY (JAST), 2(4), 37-43. SID. https://sid.ir/paper/290905/en

Vancouver: Copy

EBRAHIMI A., MOUSAVIAN SEYED ALI AKBAR, MIRSHAMS M.. ROBUST OPTIMAL CONTROL OF FLEXIBLE SPACECRAFT DURING SLEWING MANEUVERS. JOURNAL OF AEROSPACE SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2005;2(4):37-43. Available from: https://sid.ir/paper/290905/en

IEEE: Copy

A. EBRAHIMI, SEYED ALI AKBAR MOUSAVIAN, and M. MIRSHAMS, “ROBUST OPTIMAL CONTROL OF FLEXIBLE SPACECRAFT DURING SLEWING MANEUVERS,” JOURNAL OF AEROSPACE SCIENCE AND TECHNOLOGY (JAST), vol. 2, no. 4, pp. 37–43, 2005, [Online]. Available: https://sid.ir/paper/290905/en

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