Design Considerations For Imaging Charge-Coupled Device (ICCD) Star Sensors

K. J. McAloon

doi:10.1117/12.959867

3 April 1981 Design Considerations For Imaging Charge-Coupled Device (ICCD) Star Sensors

K. J. McAloon

Proceedings Volume 0265, Shuttle Pointing of Electro-Optical Experiments; (1981) https://doi.org/10.1117/12.959867
Event: 1981 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

A development program is currently underway to produce a precision star sensor using imaging charge coupled device (ICCD) technology. The effort is the critical component development phase for the Air Force Multi-Mission Attitude Determination and Autonomous Navigation System (MADAN). A number of unique considerations have evolved in designing an arcsecond accuracy sensor around an ICCD detector. Three tiers of performance criteria are involved: at the spacecraft attitude determination system level, at the star sensor level, and at the detector level. Optimum attitude determination system performance involves a tradeoff between Kalman filter iteration time and sensor ICCD integration time. The ICCD star sensor lends itself to the use of a new approach in the functional interface between the attitude determination system and the sensor. At the sensor level image data processing tradeoffs are important for optimum sensor performance. These tradeoffs involve the sensor optic configuration, the optical point spread function (PSF) size and shape, the PSF position locator, and the microprocessor locator algorithm. Performance modelling of the sensor mandates the use of computer simulation programs. Five key performance parameters at the ICCD detector level are defined. ICCD error characteristics have also been isolated to five key parameters.

Citation Download Citation

K. J. McAloon "Design Considerations For Imaging Charge-Coupled Device (ICCD) Star Sensors", Proc. SPIE 0265, Shuttle Pointing of Electro-Optical Experiments, (3 April 1981); https://doi.org/10.1117/12.959867

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