OPTIMIZATION ON ATTITUDE ALGORITHM FOR RLG DITHER DEMODULATION WAY

机译：RLG DITHER解调方式的姿态算法优化

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In dither ring laser gyro (RLG) strapdown inertial system, gyro outputs are often filtered in advance to eliminate dither bias. Because the filter is not ideal, the frequency characteristics of gyro outputs that are filtered are changed and bring the additional coning algorithms error. The additional error characteristics are analyzed and the optimization coning algorithm is designed to match the signal processing methods of gyros. The analyses and attitude drift simulations illustrate that the additional errors of the filter are alleviated obviously and the algorithms accuracy is increased remarkably.

机译：在抖动环激光陀螺仪（RLG）捷联惯性系统中，陀螺仪输出通常会提前进行滤波，以消除抖动偏差。因为滤波器不是理想的，所以被滤波的陀螺仪输出的频率特性会发生变化，并带来额外的锥化算法错误。分析了附加误差特性，设计了优化锥算法以匹配陀螺仪的信号处理方法。分析和姿态漂移仿真表明，滤波器的附加误差得到了明显的减轻，算法的精度有了明显提高。

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来源
《Saint Petersburg International Conference on Integrated Navigation Systems; 20070528-30; Saint Petersburg(RU)》|2007年|P.152-154|共3页
会议地点 Saint Petersburg(RU)
作者
Xianfei Pan; Wenqi Wu; Meiping Wu; Xinsheng Huang;
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作者单位

Laboratory of Inertial Technology, College of Mechatronics Engineering and Automation National University of Defense Technology, Changsha Hunan, 410073, P.R.China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类导航设备;
关键词
strapdown system; attitude algorithm; dither demodulation; lowpass filter;

机译：捷联系统；姿态算法；抖动解调；低通滤波器;

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2. Algorithmic Compensation of Attitude Error in a Dithered Ring Laser Gyro [J] . B. V. Klimkovich Gyroscopy and navigation . 2012,第2期

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OPTIMIZATION ON ATTITUDE ALGORITHM FOR RLG DITHER DEMODULATION WAY

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