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Error modeling and calibration for encoded sun sensors

  • Beihang University

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)3217-3231
Number of pages15
JournalSensors
Volume13
Issue number3
DOIs
StatePublished - Mar 2013

Keywords

  • Calibration
  • Encoded sun sensor
  • Error modeling
  • Fine code

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