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Special Seminar: Steve Chien, 'Artificial Intelligence Support of the Rosetta Orbiter'
Wednesday, February 22, 2017
3:00 p.m.
2460 AV Williams
For More Information:
Ania Picard
301 405 4358

Artificial Intelligence Support of the Rosetta Orbiter Science Operations

Steve Chien
Senior Research Scientist
Jet Propulsion Laboratory
California Institute of Technology 

Dana Nau 

On September 30th 2016, the European Space Agency’s Rosetta Mission ended with the Rosetta Orbiter landing on the surface of the comet 67P/ Churyumov-Gerasimenko.  While it is well known that this historic mission was the first mission to deploy a soft lander to a comet (Philae) and to escort a comet for two years, it was also a pathfinding space mission from the perspective of Operations and Computer Science in its usage of the Artificial Intelligence planning and scheduling software for early to mid-range science activity scheduling and data downlink scheduling.

I will first provide an overview of the Rosetta mission - including its over one decade journey to the 67P/C-G, and major science discoveries from the mission.  I then describe challenging elements of the high tempo, multi-disciplinary Rosetta science planning process which incorporated diverse science, geometric, engineering, and resource constraints.  The talk will then present how the ASPEN software was used in the Rosetta operations process to support development of schedules for planning periods of approximately one month covering thousands of observations, over a thousand pointings and slews, over a thousand recorder dumps, and requiring verification of tens of thousands of science and operations constraints.

Dr. Steve Chien is a Senior Research Scientist at the Jet Propulsion Laboratory, California Institute of Technology where he leads efforts in autonomous systems for space exploration. Dr. Chien has received numerous awards for his research in space autonomous systems including: NASA Medals in 1997, 2000, 2007, and 2015; he is a four time honoree in the NASA Software of the Year competition; and in 2011 he was awarded the inaugural AIAA Intelligent Systems Award.  He has led the deployment of ground and flight autonomy software to numerous missions including the Autonomous Sciencecraft/Earth Observing One, WATCH/Mars Exploration Rovers, Earth Observing Sensorwebs, IPEX, and ESA’s Rosetta.

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