NDLI: Iss gn and c - first year surprises

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Iss gn and c - first year surprises

Content Provider	NASA Technical Reports Server (NTRS)
Author	Begley, Michael
Copyright Year	2002
Description	Assembly of the International Space Station (ISS) began in late 1998 with the joining of the first two US and Russ ian elements. For more than two years, the outpost was served by two Russian Guidance, Navigation, and Control (GN&C) systems. The station requires orbital translation and attitude control functions for its 100+ configurations, from the nascent two-module station to the half million kilogram completed station owned and operated by seventeen nations. With the launch of the US Laboratory module in February 2001, the integration of the US GN&C system with its Russian counterpart laid the foundation for such a robust system. In its first year of combined operation, the ISS GN&C system has performed admirably, even better than many expected, but there have been surprises. Loss of command capability, loss of communication between segments, a control system force-fight, and "non-propulsive vents" that weren't - such events have repeatedly underscored the importance of thorough program integration, testing, and operation, both across subsystem boundaries and across international borders.
File Size	3484345
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20100042633
Archival Resource Key	ark:/13960/t8cg4p12f
Language	English
Publisher Date	2002-01-01
Access Restriction	Open
Subject Keyword	Space Communications, Spacecraft Communications, Command And Tracking Orbital Mechanics International Space Station Attitude Control Navigation Satellite Attitude Control Spacecraft Guidance Space Station Modules Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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