本文提出了一种新的改进的姿态匹配方法用于激光陀螺组合体测量船体角变形，该方法的Kalman滤波观测量直接包括待测的船体角形变和“相对姿态误差”项，“相对姿态误差”项对单个激光陀螺组合体的陀螺零偏不敏感，主要源自于两套激光陀螺组合体的陀螺漂移差值和初始船体角形变。此外，考虑到船体静态角形变的缓变特征，船体静态变形角速度可建模为随机游走过程。仿真结果表明，本文提出的简化的姿态匹配方法能跟踪日照引起的准静态缓变角变形和船体机动等因素引起的短周期大幅角变形。该方法也经过了多条舰船的实船试验验证，船体角变形的测量精度优于20″。
基于激光陀螺组合体的船体角形变测量方法(英文)
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出版日期：2018年12月22日
摘要
参考文献
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基金项目：
国家自然科学基金资助项目(61573368)
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郑佳兴, 戴东凯, 吴伟, 等. 基于激光陀螺组合体的船体角形变测量方法(英文)[J]. 光电工程, 2019, 46(1): 180556.
