2010
Architectural Concepts for Human-Rated Automation
ABSTRACT - Since the beginning of human spaceflight, spacecraft designers have emphasized simplicity of design to minimize failures and have relied on a large ground staff to assist flight crews. As spacecraft and missions have grown in complexity, human workload has grown, keeping operational costs high and limiting productivity. A more progressive approach to automation can address these problems if risk can be reduced. We believe that a major contributor to risk of automation is weak architecture, leading to designs that are difficult to understand, analyze, verify, and operate. This paper explores architectural considerations of human-rated automation for space systems, where safety is paramount. Improved architectural concepts for automation are analyzed. We focus on goal-oriented control, and how goal- oriented analysis and design address the concerns associated with increased automation.
AIAA Infotech@Aerospace 2010.
Atlanta, GA.
April
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