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Sensors 2013, 13(3), 3217-3231; doi:10.3390/s130303217

Error Modeling and Calibration for Encoded Sun Sensors

School of Instrumentation Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, No. 37 Xueyuan Road, Haidian District, Beijing 100191, China
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Received: 27 January 2013 / Revised: 18 February 2013 / Accepted: 19 February 2013 / Published: 7 March 2013
(This article belongs to the Section Physical Sensors)
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Abstract

Error factors in the encoded sun sensor (ESS) are analyzed and simulated. Based on the analysis results, an ESS error compensation model containing structural errors and fine-code algorithm errors is established, and the corresponding calibration method for model parameters is proposed. As external parameters, installation deviation between ESS and calibration equipment are introduced to the ESS calibration model, so that the model parameters can be calibrated accurately. The experimental results show that within plus/minus 60 degree of incident angle, the ESS measurement accuracy after compensation is three times higher on average than that before compensation. View Full-Text
Keywords: encoded sun sensor; error modeling; calibration; fine code encoded sun sensor; error modeling; calibration; fine code
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Fan, Q.; Zhang, G.; Li, J.; Wei, X.; Li, X. Error Modeling and Calibration for Encoded Sun Sensors. Sensors 2013, 13, 3217-3231.

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