Drag free control for the European satellite GOCE. Part II: digital control

Author

Canuto, Enrico ; Bona, Basilio ; Calafiore, Giuseppe ; Indri, Marina

Author_Institution

Dipt. di Autom. e Inf., Politecnico di Torino, Italy

Volume

4

fYear

2002

fDate

10-13 Dec. 2002

Firstpage

4072

Abstract

The paper gives an overview of the attitude and drag-free control (in short DFC) of the European Gravity Field and Ocean Circulation Explorer (GOCE) satellite. The DFC has been designed and tested in view of the Preliminary Design Review (PDR). The DFC is intended to enable the operations of a gravity gradiometer for the Earth gravity field recovery. The DFC has been fully designed on a simplified discrete-time model derived from the ´fine´ dynamics of the spacecraft and its environment, as outlined in a companion paper. The DFC has been tested against severe uncertainties and its code has been integrated into GOCE end-to-end simulator.

Keywords

attitude control; digital control; discrete time systems; gravimeters; gravity; robust control; space vehicles; uncertain systems; European gravity field and ocean circulation explorer satellite; attitude control; digital control; discrete time model; drag free control; earth gravity field recovery; end-to-end simulator; fine dynamics; gravity gradiometer; preliminary design review; spacecraft; uncertainties; Attitude control; Digital control; Digital-to-frequency converters; Earth; Gravity; Oceans; Satellites; Space vehicles; Testing; Uncertainty;

fLanguage

English

Publisher

ieee

Conference_Titel

Decision and Control, 2002, Proceedings of the 41st IEEE Conference on

ISSN

0191-2216

Print_ISBN

0-7803-7516-5

Type

conf

DOI

10.1109/CDC.2002.1185004

Filename

1185004