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首页> 外文会议>Saint Petersburg International Conference on Integrated Navigation Systems; 20060529-31; Saint Petersburg(RU) >ON EFFECT OF INSTRUMENTAL FACTORS ON STRAPDOWN ATTITUDE DRIFT RATE
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ON EFFECT OF INSTRUMENTAL FACTORS ON STRAPDOWN ATTITUDE DRIFT RATE

机译：仪表因素对捷联姿态漂移率的影响

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摘要

This paper deals with the problems of attitude drift rate rectified in a vibrational environment due to strapdown system instrumental factors. More specifically, the report provides an overview of attitude error models associated with the inherent characteristics of the IMU mechanization, and discusses some possible approaches that can be used to minimize (or compensate) the effect of hardware dependent factors on system performance in the presence of angular vibration . The following contributors to the rectification errors that only appear at the system level are considered and treated within the scope of this report: (1) angular rate sensor triad pulse quantization effect; (2) residual gyro triad scale factor calibration errors; (3) unequal delays that may occur on the stage of gyro triad signals conversation, transferring and processing; (4) cross-axis angular acceleration sensitivity of the mechanical type of gyro;(5) cross-coupling due to finite gain of gyro servos.
机译：本文讨论了由于捷联系统系统因素而在振动环境中校正的姿态漂移率问题。更具体地说，该报告概述了与IMU机械化的固有特性相关的姿态误差模型，并讨论了一些可能的方法，这些方法可用于在存在以下情况时最小化（或补偿）硬件相关因素对系统性能的影响：角振动。在本报告的范围内，考虑并处理了仅在系统级出现的以下导致整流误差的因素：（1）角速率传感器三重脉冲量化效果； （2）剩余陀螺三轴比例尺校准误差； （3）在陀螺三联信号通话，传输和处理阶段可能发生不平等的延迟； （4）陀螺仪机械类型的横轴角加速度灵敏度；（5）陀螺仪伺服器的有限增益引起的交叉耦合。

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