DESIGN OF LQG/LTR CONTROLLER FOR ATTITUDE CONTROL OF GEOSTATIONARY SATELLITE USING REACTION WHEELS

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KOSARI AMIR REZA; PEYROVANI M.; FAKOOR MEHDI; NEJAT H.

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Paper Information

Journal: Modares Mechanical Engineering Year:2014 | Volume:13 | Issue:14 Page(s): 209-219

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Information Journal Paper

Title

DESIGN OF LQG/LTR CONTROLLER FOR ATTITUDE CONTROL OF GEOSTATIONARY SATELLITE USING REACTION WHEELS

Author(s)

KOSARI AMIR REZA | PEYROVANI M. | FAKOOR MEHDI | NEJAT H. | Issue Writer Certificate

Keywords

GEOSTATIONARY SATELLITEQ2

ATTITUDE CONTROLQ2

EXTENDED KALMAN FILTERQ1

LQGQ2

LTRQ2

REACTION WHEELQ2

Abstract

In this paper, LQG/LTR controller is designed for ATTITUDE CONTROL of the GEOSTATIONARY SATELLITE at nominal mode. Usage actuator in this paper is the REACTION WHEEL and control torque is determined by the LQR regulator. Usage sensors in this article are sun and earth sensors and EKF are used for estimation of noisy states. LQR controller signal has good performance, if all system's states are considered in system output feedback. But this method is ideal and does not include model noise and sensors noise. Therefore, LQG and LQG/LTR controllers are designed based on the estimated states, and are compared with LQR controller. Controllers gain coefficients are obtained based on linearization about working point. It caused to robustness and similarity of LQG and LQG/LTR response. The results show that control overshoot of LQR is greater than the others.

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APA: Copy

KOSARI, AMIR REZA, PEYROVANI, M., FAKOOR, MEHDI, & NEJAT, H.. (2014). DESIGN OF LQG/LTR CONTROLLER FOR ATTITUDE CONTROL OF GEOSTATIONARY SATELLITE USING REACTION WHEELS. MODARES MECHANICAL ENGINEERING, 13(14), 209-219. SID. https://sid.ir/paper/178704/en

Vancouver: Copy

KOSARI AMIR REZA, PEYROVANI M., FAKOOR MEHDI, NEJAT H.. DESIGN OF LQG/LTR CONTROLLER FOR ATTITUDE CONTROL OF GEOSTATIONARY SATELLITE USING REACTION WHEELS. MODARES MECHANICAL ENGINEERING[Internet]. 2014;13(14):209-219. Available from: https://sid.ir/paper/178704/en

IEEE: Copy

AMIR REZA KOSARI, M. PEYROVANI, MEHDI FAKOOR, and H. NEJAT, “DESIGN OF LQG/LTR CONTROLLER FOR ATTITUDE CONTROL OF GEOSTATIONARY SATELLITE USING REACTION WHEELS,” MODARES MECHANICAL ENGINEERING, vol. 13, no. 14, pp. 209–219, 2014, [Online]. Available: https://sid.ir/paper/178704/en

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