| 基于加速度计余度配置的MEMS捷联惯导初始对准方法 |
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| 引用本文： | 钱伟行,朱欣华,苏岩.基于加速度计余度配置的MEMS捷联惯导初始对准方法[J].中国惯性技术学报,2011(6). |
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| 作者姓名： | 钱伟行 朱欣华 苏岩 |
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| 作者单位： | 南京理工大学MEMS惯性技术研究中心; |
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| 基金项目： | 南京理工大学自主科研专项计划基金资助项目(ZDJH02) |
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| 摘 要： | 初始对准性能是影响智能弹药姿态控制与弹道修正效果的重要因素之一。针对弹载MEMS捷联惯性导航系统,研究了一种基于常规捷联惯导系统结构的3轴加速度计斜装余度配置系统结构改进方案,以及该结构的系统在大俯仰角条件下的初始对准方法,并在高精度转台上进行了对准方法的实际性能验证。实验结果表明了MEMS惯导系统的改进结构与初始对准方法,在载体大俯仰角条件下提高初始对准精度与加速度计偏置稳定性的有效性。本文的研究可为弹载环境下的MEMS惯性导航系统提供理论研究与工程应用参考。
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| 关 键 词： | 捷联惯导 初始对准 余度配置 加权最小二乘 最优滤波 |
Initial alignment method of MEMS SINS based on accelerometer redundant configuration |
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| QIAN Wei-xing,ZHU Xin-hua,SU Yan.Initial alignment method of MEMS SINS based on accelerometer redundant configuration[J].Journal of Chinese Inertial Technology,2011(6). |
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| Authors: | QIAN Wei-xing ZHU Xin-hua SU Yan |
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| Institution: | QIAN Wei-xing,ZHU Xin-hua,SU Yan(MEMS Inertial Technology Research Center,Nanjing University of Science and Technology,Nanjing 210094,China) |
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| Abstract: | The performance of initial alignment is an important factor that influences the attitude control and ballistic correction effects of intelligent munitions system.A novel structure based on 3-axial accelerometer redundant configuration for conventional strapdown inertial navigation system(SINS) is put forward,and an improved initial alignment method on condition of large pitch angle is proposed for rocket-borne MEMS SINS.The actual performance test is made on high-precision turntable,and the result shows tha... |
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| Keywords: | strapdown inertial navigation system initial alignment redundant configuration weighting least squares optimal filtering |
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