On-board correction of systematic error of Earth sensors

Alex T.K.; Shrivastava S.K.

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On-board correction of systematic error of Earth sensors

机译：车载校正地球传感器的系统误差

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Infrared Earth sensors are used in spacecraft for attitude sensing. Their accuracy is limited by systematic and random errors. Dominant sources of systematic errors are analyzed for a typical scanning infrared Earth sensor used in a remote-sensing satellite in a 900-km Sun-synchronous orbit. The errors considered arise from seasonable variation of infrared radiation; oblate shape of the Earth; ambient temperature of sensors; changes in spin/scan period; and misalignment of the axis of the sensors. Simple relations are derived using least-squares curve fitting for onboard correction of these errors. With these, it is possible to improve the accuracy of attitude determination by eight fold and achieve performance comparable to ground-based post-facto attitude computation.

机译：红外地球传感器在航天器中用于姿态感测。它们的准确性受到系统和随机误差的限制。对于在900公里太阳同步轨道上的遥感卫星中使用的典型扫描红外地球传感器，分析了系统误差的主要来源。所考虑的错误是由于红外辐射的季节性变化引起的；地球的扁圆形状；传感器的环境温度；自旋/扫描周期的变化；以及传感器的轴未对准。使用最小二乘曲线拟合导出简单关系，以对这些误差进行车载校正。利用这些，可以将姿态确定的精度提高八倍，并获得与基于地面的事后姿态计算可比的性能。

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《IEEE Transactions on Aerospace and Electronic Systems》 |1989年第3期|P.373-379|共7页
作者
Alex T.K.; Shrivastava S.K.;
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正文语种 eng
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1. On-Board Correction of Systematic Odometry Errors in Differential Robots [J] . S. Maldonado-Bascón, R. J. López-Sastre, F. J. Acevedo-Rodríguez, Journal of Sensors . 2019,第1期

机译：在差动机器人中的系统内径误差的车载校正
2. Correction: Renaudin, V. et al. Use of Earth’s Magnetic Field for Mitigating Gyroscope Errors Regardless of Magnetic Perturbation. Sensors 2011, 11, 11390-11414 [J] . G#x000E9, rard Lachapelle, Muhammad Haris Afzal, Sensors . 2012,第6期

机译：校正：Renaudin，V.等。不管磁场如何扰动，都可以利用地球磁场来减轻陀螺仪误差。传感器2011，11，11390-11414
3. The Influence of Temperature on Errors of Wim Systems Employing Piezoelectric Sensors Keywords: Piezoelectric Sensors, Temperature Influence, Temperature Error Of Wim Systems, Error Correction [J] . Janusz Gajda, Piotr Burnos, Ryszard Sroka, Metrology and Measurement Systems: Metrologia i Systemy Pomiarowe . 2013,第2期

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4. Correction of errors due to profile shape in static Earth horizon sensors [C] . Vladimir Alperovich, EL-OP Electrooptics Industries Ltd., Rehovot, 9th Meeting on Optical Engineering in Israel . 1995

机译：校正由于静态地球水平传感器中的轮廓形状引起的误差
5. Estimation and Adaptive Online Correction of Systematic Errors in The Global Forecast System (GFS) Using Analysis Increments [D] . Bhargava, Kriti. 2019

机译：使用分析增量估算和自适应在线校正全球预测系统（GFS）系统错误的在线校正
6. Correction: Renaudin V. et al. Use of Earths Magnetic Field for Mitigating Gyroscope Errors Regardless of Magnetic Perturbation. Sensors 2011 11 11390-11414 [O] . Muhammad Haris Afzal, Valérie Renaudin, Gérard Lachapelle 2012

机译：校正：RenaudinV.等。不管磁扰动如何利用地球磁场来减轻陀螺仪误差。传感器20111111390-11414
7. Correction: Renaudin, V. et al. Use of Earth’s Magnetic Field for Mitigating Gyroscope Errors Regardless of Magnetic Perturbation. Sensors 2011, 11, 11390-11414 [O] . Gérard Lachapelle, Valérie Renaudin, Muhammad Haris Afzal 2012

机译：更正：Renaudin，V。＆lt; em＆gt;等人＆lt; / em＆gt;利用地球磁场减轻陀螺仪的误差，无论磁扰动。＆lt; em＆gt; sensors＆lt; / em＆gt; 2011，＆lt; in＆gt; 11＆lt; / in＆gt;，11390-11414
8. Study of Systematic Errors in Horizon Sensors Onboard 3-Axes Stabilized, Low Earth Satellites Due to Variations in Earth's Infrared Radiation [R] . Padmanabhan, P., Stapf, R., Puls, J. 1980

机译：由于地球红外辐射的变化，3轴稳定低地球卫星的地平线传感器系统误差研究

On-board correction of systematic error of Earth sensors

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