DETERMINATION OF OPTIMAL ATTITUDE CONTROL LAW UTILIZING ANGULAR MOMENTUM

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POURTAKDUST H.; REZAI M.

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ISSN: 2588-4824

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Journal: JOURNAL OF AEROSPACE SCIENCE AND RESEARCH Year:2009 | Volume:2 | Issue:2 Page(s): 1-7

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Title

DETERMINATION OF OPTIMAL ATTITUDE CONTROL LAW UTILIZING ANGULAR MOMENTUM

Author(s)

POURTAKDUST H. | REZAI M. | Issue Writer Certificate

Keywords

ATTITUDE CONTROLQ3

RECEDING HORIZON CONTROLQ3

OPTIMAL CONTROLQ3

MULTIVARIABLEQ3

NONLINEARQ3

Abstract

One of the required maneuvers of remote sensing satellites is the pointing or reorientation maneuver of its body axes toward a reference direction. This maneuver can be accomplished using control torques from a tri-axes reaction wheel mechanism with an appropriate control law. The satellite attitude governing equations are usually categorized as MULTIVARIABLE NONLINEAR coupled system, which makes the design of a control law complicated.In this article the RECEDING HORIZON CONTROL (RHC) idea is utilized to design an OPTIMAL CONTROL policy through a step by step linearization approach. Where in each step the NONLINEAR equations are locally linearized around the current state to form a linear quadratic regulator (LQR) problem, for which the required optimal feedback control matrix can be determined by solution of the Ricatti equation. This approach of solution leads to a closed loop control that brings about some robustness against environmental and or system disturbances present in a typical satellite system.

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APA: Copy

REZAI, M., & POURTAKDUST, H.. (2009). DETERMINATION OF OPTIMAL ATTITUDE CONTROL LAW UTILIZING ANGULAR MOMENTUM. JOURNAL OF AEROSPACE SCIENCE AND RESEARCH, 2(2), 1-7. SID. https://sid.ir/paper/199475/en

Vancouver: Copy

REZAI M., POURTAKDUST H.. DETERMINATION OF OPTIMAL ATTITUDE CONTROL LAW UTILIZING ANGULAR MOMENTUM. JOURNAL OF AEROSPACE SCIENCE AND RESEARCH[Internet]. 2009;2(2):1-7. Available from: https://sid.ir/paper/199475/en

IEEE: Copy

M. REZAI, and H. POURTAKDUST, “DETERMINATION OF OPTIMAL ATTITUDE CONTROL LAW UTILIZING ANGULAR MOMENTUM,” JOURNAL OF AEROSPACE SCIENCE AND RESEARCH, vol. 2, no. 2, pp. 1–7, 2009, [Online]. Available: https://sid.ir/paper/199475/en

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