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Meeting	ACGS Committee Meeting 116 - Charlotte, NC - October 2015
Agenda Location	4 GENERAL COMMITTEE TECHNICAL SESSION 4.2 Government Agencies Summary Reports 4.2.2 NASA 4.2.2.2 Marshall
Title	Marshall
Presenter	John Wall
Available Downloads*	presentation
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Abstract	The Control System Design and Analysis Branch at NASA Marshall has recently completed CDR for the ascent flight control system (FCS) of the Space Launch System (SLS) first test flight. Work is underway to design the Exploration Upper Stage FCS slated for the second flight. The vehicle dynamics of the SLS configurations impose unique challenges for flight control including dynamic coupling of global structural modes with the thrust vector control system and mult-tank sloshing of propellants. This presentation provides a few examples of the approaches utilized to design and analyze the launch vehicle flight through its ascent.