MEMS惯导系统的误差自修正技术研究Research on the error self-correction of MEMS inertial navigation system
孙伟,丁伟,徐爱功,闫慧芳,李瑞豹
摘要(Abstract)：
针对当前MEMS惯性器件漂移误差大的问题,提出一种无需外界信息辅助的误差自补偿方案。通过引入旋转调制技术实现器件偏差的对称平均,通过理论推导分析惯性器件标度因数误差和安装误差对于误差旋转调制技术的影响。利用高精度惯性测试转台搭建误差旋转实验平台并进行误差自修正方法的实际性能验证。实验结果有效地验证了IMU旋转调制技术对于改善系统测姿定位精度的可行性,在现有MEMS器件精度基础上实现更高精度导航成为可能。
关键词(KeyWords)： MEMS;惯性导航;旋转调制;误差自修正
基金项目(Foundation): 国家自然科学基金项目(41304032);; 高等学校博士学科点专项科研基金(新教师类)项目(20132121120005);; 第8批中国博士后科学基金特别资助项目(2015T80265);; 辽宁省高等学校杰出青年学者成长计划项目(LJQ2015044);; 辽宁省自然科学基金项目;; 对地观测技术国家测绘地理信息局重点实验室开放基金资助项目(K201401);; 江西省数字国土重点实验室开放研究基金资助项目(DLLJ201501);; 地球空间环境与大地测量教育部重点实验室开放基金项目(14-01-05)
作者(Author): 孙伟,丁伟,徐爱功,闫慧芳,李瑞豹
DOI: 10.16251/j.cnki.1009-2307.2017.01.022
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