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Error Analysis and Error Allocation for Turntable Systems Used in GyroWheel Calibration Tests

机译：陀螺仪校准测试中使用的转台系统的误差分析和误差分配

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摘要

Calibration tests are of great importance to ensure rate-sensing accuracy of GyroWheel, an innovative attitude determination and control device. In the process of calibration tests, turntable errors are inevitable, which hinder the calibration accuracy and ratesensing capability. Hence, error analysis for GyroWheel calibration tests is conducted, and the relationship between the calibration accuracy and the orientation error is established based on analytical derivation and numerical simulations. Subsequently, an error model of the turntable system is derived using rigid body kinematics, by which the relationship between the orientation error and turntable errors is described. According to sensitivity analysis and manufacturing capability, an error allocation method is proposed to determine the accuracy requirement of the test turntable, and the effectiveness of the proposed method is verified by repeated simulation tests. Based on the presented analysis and proposed method in this paper, the effects of various turntable errors on the calibration accuracy can be obtained quantitatively, and a theoretical basis for the determination of the turntable accuracy is provided, which are of great significance to guide the calibration tests and improve the calibration accuracy of GyroWheel.
机译：校准测试对于确保GyroWheel（一种创新的姿态确定和控制设备）的速率感应精度至关重要。在校准测试过程中，不可避免会出现转盘误差，这会影响校准精度和速率检测能力。因此，进行了陀螺仪车轮定标测试的误差分析，并基于解析推导和数值模拟，建立了定标精度与定向误差之间的关系。随后，使用刚体运动学导出转盘系统的误差模型，由此描述方向误差和转盘误差之间的关系。根据灵敏度分析和制造能力，提出了一种误差分配方法来确定测试转台的精度要求，并通过反复的仿真试验验证了该方法的有效性。基于本文提出的分析和提出的方法，可以定量地获得各种转台误差对标定精度的影响，为确定转台精度提供理论依据，对指导标定具有重要意义。测试并提高GyroWheel的校准精度。

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  • 来源
    《International journal of aerospace engineering》 |2017年第2期|6524782.1-6524782.13|共13页
  • 作者

    Zhao Yuyu; Zhao Hui; Huo Xin; Yao Yu;

  • 作者单位

    Harbin Inst Technol, Control & Simulat Ctr, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Control & Simulat Ctr, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Control & Simulat Ctr, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Control & Simulat Ctr, Harbin 150001, Heilongjiang, Peoples R China;

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