Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/40069
Título: Tuning techniques evaluation for satellite launch vehicle attitude controllers
Palavras-chave: Spacecraft launching
Attitude control
Tuning
Linear quadratic Gaussian control
Performance indexes
Data do documento: 2019
Citação: SILVA, F. O. e et al. Tuning techniques evaluation for satellite launch vehicle attitude controllers. Journal of Aerospace Technology and Management, São José dos Campos, v. 11, 2019.
Resumo: This communication presents a comparative analysis of tuning techniques for satellite launch vehicle attitude controllers. The investigated tuning techniques consist in the minimization of specific performance indexes, namely the Integral Absolute Error (IAE) index, the Integral of Time Multiplied Absolute Error (ITAE) index, the Integral Squared Error (ISE) index, and the Integral of Time Multiplied Squared Error (ITSE) index, being hence, termed optimal. By defining adequate figures of merit, relevant for evaluating the overall performance of satellite launch vehicles, and also taking into account requirements related to the physical limitations of the latter, the performance of attitude controllers tuned by the investigated techniques is compared to the one tuned by the methodology currently employed in the Brazilian Satellite Launch Vehicle (VLS), namely, the Linear Quadratic (LQ) methodology. Through simulation results, it is demonstrated that, despite sparse benefits produced by the alternative tuning techniques, in particular ITAE and ISE, the LQ methodology remains globally superior.
URI: http://repositorio.ufla.br/jspui/handle/1/40069
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DEG - Artigos publicados em periódicos

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