Cassini Star Tracking and Identification Algorithms, Scene Simulation, and Testing

Chang, Daniel H.; Alexander, James W.

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NASA NTRS · 20210003794

Cassini Star Tracking and Identification Algorithms, Scene Simulation, and Testing

Chang, Daniel H.·Alexander, James W.

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Abstract

The Cassini mission will use autonomous star identification for initial attitude determination and a star tracking function for maintaining attitude. Because of the complexity of the StarID software, special software simulation tools were created to simulate the Stellar Reference Unit (SRU) output as a function of commands, spacecraft attitude, and star scene, and to allow the introduction of fault conditions. This paper gives the overview of the algorithm design and SRU simulation and a description of the simulation test results and a comparison with field test results obtained using the engineering model SRU.

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BibTeX RIS

Chang, Daniel H., Alexander, James W.. 1996-08-06. Cassini Star Tracking and Identification Algorithms, Scene Simulation, and Testing. https://ntrs.nasa.gov/citations/20210003794

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