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S mall B usiness I nnovation R esearch. Spacecraft Formation Control with Direct Interferometer-Output Feedback Optimal Synthesis Inc. Los Altos CA  . Control Actuation. INNOVATION

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Small

Business

Innovation

Research

Spacecraft Formation Control withDirect Interferometer-Output Feedback Optimal Synthesis Inc. Los Altos CA  

Control

Actuation

  • INNOVATION

    • Maintains spacecraft and interferometer-component formation in interferometry mission by exploiting its primary scientific product. Uses these measurements as a form of real-scene wavefront sensing to infer the control error towards a formation-control solution.

ACCOMPLISHMENTS

  • Formulated control problem for interferometer concepts with multiple pairs of apertures.

  • Developed spatial-domain and frequency-domain processing techniques to estimate interferometer control errors.

  • Verified feasibility of technical approach by testing estimation and control solutions with interferometer simulation in fast-prototyping environment.

    COMMERCIALIZATION

  • Phase II collaboration with specific space interferometer mission will enhance technology readiness for NASA to consider adoption for deployment.

  • Separate funding will be sought from DoD to transfer technology to space-based reconnaissance/surveillance.

  • Potential in medical and industrial applications will be explored.

Interferometer

Output Enhancement

Parameter

Assessment

Interferometer

Control

  • GOVERNMENT/SCIENCE APPLICATIONS

  • Space science applications to enable space interferometer missions for imaging celestial bodies and phenomena

  • Earth and planetary sciences to enable orbiting interferometers to map and collect geo-spatial data

    • NASA and DoD as customers

    • Space-based reconnaissance and surveillance

    • Synthetic-aperture-radar (SAR) interferometry

Goddard Space Flight Center

Points of Contact:

NASA – Jesse Leitner (301) 286-2630

Optimal Synthesis Inc. -Victor Cheng (650) 210-8282

2001 Phase I, SS5-064


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