@InProceedings{HassmannFeli:2007:AtViCo,
               author = "Hassmann, Carlos Henrique Gustavo and Felini, Andr{\'e}",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Attitude and vibration control of a satellite with a flexible 
                         solar panel using LQR tracking with infinite time",
            booktitle = "Anais...",
                 year = "2007",
         organization = "International Congress of Mechanical Engineering, 19. (COBEM).",
             keywords = "attitude control, vibration control, flexible structures, LQR 
                         satellites.",
             abstract = "The objective of this work is to investigate the control of the 
                         attitude angles and the suppression of the vibration of the solar 
                         panel of a satellite in circular orbit around Earth. It is 
                         considered only the maneuver of the satellite around is center of 
                         mass. The mathematical model for the complete system is derived 
                         using the lagrangean formalism. The control law considered is the 
                         LQR with infinite time (algebraic Ricatti equation) and the states 
                         are controlled in order to stay as close as possible of a specific 
                         set of reference states (tracking problem). The optimal gains are 
                         obtained considering only the linear part of the governing 
                         equations. The gains obtained in this way are then used to control 
                         the complete nonlinear model. Since LQR is a linear controller 
                         (and besides its robustness), one does not consider have great 
                         velocities and deflections which can transform the nonlinear 
                         mathematical model into a strongly nonlinear are.",
  conference-location = "Bras{\'{\i}}lia, DF",
      conference-year = "5-9 Nov.",
           targetfile = "Comut 29358.pdf",
        urlaccessdate = "27 jun. 2024"
}