Integrated Multi-Range Rendezvous Control System

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$69,747.00
Award Year:
2003
Program:
SBIR
Phase:
Phase I
Contract:
NAS8-03030
Award Id:
63833
Agency Tracking Number:
022371
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
33 Witherspoon St., Princeton, NJ, 08542
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Stephanie Thomas
Principal Investigator
(617) 879-0129
sjthomas@psatellite.com
Business Contact:
Michael Paluszek
President
(609) 279-9606
map@psatellite.com
Research Institute:
n/a
Abstract
PSS proposes an integrated multi-range rendezvous control system written in our ObjectAgent distributed software architecture. The control system will use different algorithms at different ranges from the rendezvous target. Rendezvous maneuvers are achieved using a Lambert planner with genetic algorithm optimization for large orbit changes and using a Simplex planner with path constraints for maneuvers at close range to the target. Orbit determination is achieved using a continuous discrete Kalman filter which uses different sensors depending on their availability. For relative sensing, these are: radar for long range; vision for intermediate and close range; intersatellite-link (ISL) when available. For absolute sensing, these are GPS and ground ranging. The vision system, a single camera system developed by PSS or a selected existing system, will provide relative attitude in addition to relative position at intermediate range. PSS has the capability to perform high-fidelity simulations using MultiSatSim, allowing this project to move quickly into software testing. ObjectAgent is an inherently modular software architecture, allowing the resulting control system to be easily adapted, even on-orbit.

* information listed above is at the time of submission.

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