| 基于抑制标度因数误差的捷联旋转监控方案研究 |
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| 引用本文： | 赵琳,王鑫哲,程建华,黄晨. 基于抑制标度因数误差的捷联旋转监控方案研究[J]. 传感器与微系统, 2011, 30(12): 35-39 |
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| 作者姓名： | 赵琳 王鑫哲 程建华 黄晨 |
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| 作者单位： | 哈尔滨工程大学自动化学院,黑龙江哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金资助项目(60974104) |
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| 摘 要： | 旋转监控技术通过对惯性元件常值误差的抑制,能有效提高捷联惯导系统的导航定位精度,但由于标度因数误差的存在,降低了旋转调制效果.通过对单轴旋转方式下标度因数调制效果的分析,推导了单轴旋转下标度因数误差激励的角速率误差,并总结出旋转位置与角速率误差的对应规律,进而提出了最佳的双轴旋转方案,最大程度地抑制标度因数误差对捷联惯...
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| 关 键 词： | 捷联系统 旋转监控 标度因数误差 旋转方案 |
Research on rotation monitoring scheme based on depressing scale factor error |
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| ZHAO Lin,WANG Xin-zhe,CHENG Jian-hua,HUANG Chen. Research on rotation monitoring scheme based on depressing scale factor error[J]. Transducer and Microsystem Technology, 2011, 30(12): 35-39 |
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| Authors: | ZHAO Lin WANG Xin-zhe CHENG Jian-hua HUANG Chen |
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| Affiliation: | (School of Automation,Harbin Engineering University,Harbin 150001,China) |
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| Abstract: | By inhibiting constant error of inertial components,rotation monitoring technology can improve navigation positioning precision of strapdown inertial navigation system(INS) effectively.However,the existing of scale factor error may decrease rotation modulation effect.By analyzing scale factor modulation effect in single-axis rotation,angular rate error inspired by scale factor in single-axis is derived,and corresponding rules of rotation position and angular rate error have been summarized.Best dual-axis rotation scheme has been proposed,which can inhibit scale factor error at the most.Simulation results shows that,comparing with single-axis rotation scheme,errors of system latitudes and longitudes are reduced by degree of 10-2 level by dual-axis rotation scheme,which can reduce navigation positioning errors inspired by scale factor error more effectively. |
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| Keywords: | strapdown system rotation monitoring scale factor error rotation scheme |
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