Abstract
In this paper, an accurate and simple model of a satellite with two flexible solar panels for three-dimensional dynamic studies is proposed and compared with other models. In the proposed model, each solar panel is assumed to be rigid and attached to the satellite body via a simple hinge, a torsional spring, and a torsional damper. Kane’s method is utilized to derive the equations of motion. The model of flexible satellite with the assumption of Euler-Bernoulli beam for the solar panels, generally used in the literature, has been introduced for comparison. A comprehensive model of flexible satellite, considering solar panels as flexible and finite element panels, has been provided in ADAMS environment as a reference when comparing the two mentioned models. The Euler-Bernoulli model does not appropriately simulate the three-dimensional motion of satellite. Conversely, the hinged, rigid-panel model proposed in this paper provides suitable results in both two- and three-dimensional maneuvers.
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This paper was recommended for publication in revised form by Associate Editor Eung-Soo Shin
Shahram Shahriari received his B.S. and M.S. degrees in Mechanical Engineering from the Sharif University of Technology in Iran in 1993 and 1998, respectively. He is currently a Ph.D. candidate in Tarbiat Modares University, Iran. His main research interests are in the area of robust control, multi-body dynamics, vehicle engineering, and satellite attitude control and dynamics.
Shahram Azadi received his BS and MS in Mechanical Engineering from the Sharif University of Technology, Iran in 1989 and 1992, respectively. He then received his PhD from the Amir-Kabir University of Technology in 1999. Currently, he is an Assistant Professor at the School of Mechanical Engineering at K.N. Toosi University of Technology in Tehran, Iran. His research interests include dynamics, control, and automotive engineering.
Majid Moghaddam received his B.Sc. degree in Mechanical Engineering in 1988 from the Sharif University of Technology, Iran, his M.Eng. degree in Mechanical Engineering in 1993 from McGill University, Canada, and his Ph.D. degree in Mechanical Engineering in 1996 from the University of Toronto, Canada. He is Professor of mechanical engineering at Tarbiat Modares University, Tehran, Iran. His current research, which focuses on applied robotics and robust H∞ control, is concerned with haptic robotics, rehabilitation robotics, inspection robotics, and rough terrain mobile robot design. He is a member of the Administrative Committee of the Mechatronics Society of Iran. He has served as co-chair for many national/international conferences in Iran.
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Shahriari, S., Azadi, S. & Moghaddam, M.M. An accurate and simple model for flexible satellites for three-dimensional studies. J Mech Sci Technol 24, 1319–1327 (2010). https://doi.org/10.1007/s12206-010-0329-0
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DOI: https://doi.org/10.1007/s12206-010-0329-0