Document Type : Research Article

Authors

1 Ph. D Student, Flight Dynamics & amp; amp; amp; Control Department, Aerospace Engineering Faculty, Malek Ashtar University of Technology, Tehran, Iran.

2 Associate Professor, Flight Dynamics & amp; amp; Control Department, Aerospace Engineering Faculty, Malek Ashtar University of Technology, Tehran, Iran.

3 Assistance Professor, Flight Dynamics & amp; amp; Control Department, Aerospace Engineering Faculty, Malek Ashtar University of Technology, Tehran, Iran.

Abstract

A comprehensive statistical analysis and comparison on the characteristics of star trackers used in the world can provide valuable information to researchers, manufacturers and customers in this field. In this regard, with a comprehensive search, 12 indicators of star sensors (accuracy, maximum trackable rotation rate, acquisition time, data transmission rate, field of view, star magnitude, mass, volume, power, voltage, temperature and lifetime) among 72 star trackers has been investigated and compared in this article. Also, by fitting the curves in the comparative graphs, relationships were extracted that provide statistical design for the manufacturers. By scoring each index,, it's possible to compare all the characteristics of the sensors to gives the satellite designers the opportunity to identify and choose the optimum choice for their purpose and mission by weighting the criteria. Present statistical study includes investigation of native sensors shows inspiring from the hardware and software of sensors such as PST3, makes possible to upgrade and improve products in less time.

Keywords

Main Subjects

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(in persian).