Download Automatic Control in Space 1985. Proceedings of the Tenth by France) IFAC Symposium (10th : 1985 : Toulouse, J. P. PDF

By France) IFAC Symposium (10th : 1985 : Toulouse, J. P. Chretien

Provides an authoritative evaluate of the new advancements and technical advances within the functions of computerized keep an eye on to house expertise. issues coated comprise: geostationary satellites, clinical satellites, versatile structures, low earth orbit satellites, orbit and trajectory keep watch over, part expertise, systems, rendez-vous and docking (RVD) and manipulators. includes 39 study and assessment papers.

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These two fields of study are of primary importance to enable modern MIMO control systems to be implemented on large space structures. REFERENCES 1. H. B. A. C. Final Report, ESA Contract 2405/75 AK, 1976. 2. S. D. C. P. 1, NASA Contract NAS5-11996, 1975. 3. R. A. LEVINSON. Guidance and Control 3, 1980. 4. E. O. SCHIEHLEN, R. SCHWERTASSEK, J. WITTENBURG. G. 07, DFVLR, Oberpfaffenhofen, March 1984. 5. IMBERT, A. MAMODE. "Effective Mass Concept, Helpful to Characterize Structure Dynamics with Base Excitation", CNES, Mecanique Materiaux Electricite, Report 342/43/44, 1978.

With Nm (WM) Roll/yaw network Fig. 9. Solar a r r a y s depointing angles computation 32 J. Lievre SUMMARY OF PERFORMANCES CONCLUSION 2 T h e s o l a r s a i l i n g , d e v e l o p p e d b y MATRA, h a s b e e n i m p l e m e n t e d on EUROSTAR s p a c e c r a f t s (ATHOS, UNISAT. . ) ( r a n g e : from 700 kg t o 1100 kg i n d r i f t o r b i t ) . T h e n o r m a l mode a c t u a t o r s t r a d e off i s s h o w n in t a b l e 3 . T h e i m p r o \ e m e n t s d u e t o t h e proposed design are : - no t h r u s t e r f a i l u r e r i s k s , - no e r g o l c o n s u m p t i o n - better performances.

Nortb motor sails model Γ^ soatb motor IRES Fig. 7. 2 m2 % of solar a r r a y s efficiency Fig. 6. + + J i n e r t i a l a x i s shown in fig. with Nm (WM) Roll/yaw network Fig. 9. Solar a r r a y s depointing angles computation 32 J. Lievre SUMMARY OF PERFORMANCES CONCLUSION 2 T h e s o l a r s a i l i n g , d e v e l o p p e d b y MATRA, h a s b e e n i m p l e m e n t e d on EUROSTAR s p a c e c r a f t s (ATHOS, UNISAT. . ) ( r a n g e : from 700 kg t o 1100 kg i n d r i f t o r b i t ) . T h e n o r m a l mode a c t u a t o r s t r a d e off i s s h o w n in t a b l e 3 .

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