@InProceedings{PardalKugaMora:2011:RoAsSi,
               author = "Pardal, Paula C P M and Kuga, Helio Koiti and Moraes, Rodolpho 
                         Vilhena de",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)} and UNIFESP/SJC, Rua 
                         Talim, 330, Vila Nair - CEP: 12231-280. S{\~a}o Jos{\'e} dos 
                         Campos - SP, Brazil",
                title = "Robust assessment between sigma point and extended Kalman filter 
                         for orbit determination",
            booktitle = "Proceedings...",
                 year = "2011",
                pages = "1--14",
         organization = "International Symposium on Space Flight Dynamics, 22. (ISSFD).",
            publisher = "INPE",
              address = "Sao Jos{\'e} dos Campos",
                 note = "{Setores de Atividade: Pesquisa e desenvolvimento 
                         cient{\'{\i}}fico.}",
             keywords = "sigma point filter, extended Kalman filter, ORBIT DETERMINATION.",
             abstract = "A comparison between the extended Kalman filter (EKF) and the 
                         nonlinear sigma point Kalman filter (SPKF) for a real time 
                         satellite orbit determination problem, using GPS measurements is 
                         presented. Such comparison is based on testing the filters 
                         robustness for degraded initial conditions. The main subjects for 
                         the comparison between the estimators are convergence speed and 
                         computational implementation complexity. Based on the analysis of 
                         such criteria, the advantages and drawbacks of each estimator are 
                         presented. In this work, the orbit of an artificial satellite is 
                         determined using real data from a space borne Global Positioning 
                         System (GPS) receiver. This is a fully nonlinear problem, with 
                         respect to both the dynamics and measurements equations, in which 
                         the disturbing forces are not easily modeled. The problem of orbit 
                         determination consists essentially of estimating values that 
                         completely specify the body trajectory in the space, processing a 
                         set of measurements related to this body. In this orbit 
                         determination problem the focus is to analyze each filter 
                         convergence behavior in situations where the initial conditions 
                         are inaccurate, introducing since small up to larger errors in the 
                         initial accurate position conditions. Concomitantly another aim is 
                         to know how such inaccuracies affect the estimators performance.",
  conference-location = "Sao Jose dos Campos Sao Jose dos Campos",
      conference-year = "28 Feb.– 4 Mar. 2011",
                label = "lattes: 1786255724025154 2 PardalKugaMora:2011:RoAsSi",
             language = "en",
         organisation = "INPE; AEB",
                  ibi = "J8LNKAN8RW/39RQCFE",
                  url = "http://urlib.net/ibi/J8LNKAN8RW/39RQCFE",
           targetfile = "S10_P2_ISSFD22_PF_046.pdf",
                  url = "http://www.issfd22.inpe.br/S10-Orbit.Determination-OD/S10_P2_ISSFD22_PF_046.pdf",
        urlaccessdate = "21 maio 2024"
}