| 比力对半球谐振陀螺仪解算精度的影响 |
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| 引用本文： | 李巍,任顺清,赵洪波.比力对半球谐振陀螺仪解算精度的影响[J].中国惯性技术学报,2011(5). |
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| 作者姓名： | 李巍 任顺清 赵洪波 |
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| 作者单位： | 哈尔滨工业大学空间控制与惯性技术研究中心; |
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| 基金项目： | 总装十一·五预研项目(51309050601) |
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| 摘 要： | 为了分析半球谐振陀螺仪非敏感轴X、Y轴存在比力输入时,对输出角速率解算精度的影响,首先,利用环形谐振子的动力学方程,得到了径向振动方程。然后,分析了存在比力输入时,谐振子唇沿中心将偏移激励器和位移传感器所确定的圆心,并根据闭环检测原理,推导了陀螺仪解算角速率误差的表达式,仿真计算了相对偏移量对输出结果的影响程度。最后,利用分度头进行了非敏感轴的多位置翻滚试验,验证了输出中存在与非敏感轴比力输入有关的误差。
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| 关 键 词： | 半球谐振陀螺仪 比力 谐振子 分度头 |
Influence of specific force on output accuracy of hemispherical resonator gyro |
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| LI Wei,REN Shun-qing,ZHAO Hong-bo.Influence of specific force on output accuracy of hemispherical resonator gyro[J].Journal of Chinese Inertial Technology,2011(5). |
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| Authors: | LI Wei REN Shun-qing ZHAO Hong-bo |
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| Institution: | LI Wei,REN Shun-qing,ZHAO Hong-bo(Space Control and Inertial Technology Research Center,Harbin Institute of Technology,Harbin 150001,China) |
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| Abstract: | In order to analyze the influence of specific force input of nonsensitive X and Y axes on the output accuracy of hemispherical resonator,a ring-shaped model for dynamic motion equation of the hemispherical resonator is applied,and the radial vibration equation of resonator is established.According to the force-rebalance measurement principle of gyroscope,the error of output angular rate is calculated,in view that the center of the circle verge of the resonator is not concentric with the center determined by... |
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| Keywords: | hemispherical resonator gyro specific force resonator dividing head |
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