Brazilian multimission platform solar array generator deployment

Resumo

The Brazilian Multi Mission Platform (MMP) is a modem satellite architectural concept that shall provide support for several of low Earth orbit missions whose attitude control subsystem includes a three-axis stabilized platform carrying different payload modules. This paper presents the dynamic analysis of the Brazilian MMP solar array generator (SAG) deployment. The objective of the study is to analyze the shock spectrum due to the SAG latch up. The transient response or time history was verified at typical hinges, yoke, solar array drive assembly, solar cells and at the sandwich panel. The finite element technique has been used to obtain the numerical results with the software package MSC.Nastran. The problem is an initial value problem whose initial conditions were derived from the SAG deployment mechanism simulation. The results of the study have shown that the satellite solar array response fulfills the requirements associated with the latch up shock spectrum.