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基于IMU旋转的船用激光导航系统分析与设计 被引量:17

Analysis and Design of Marine RLG Navigation System Base on IMU Rotation
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摘要 利用惯性测量单元(IMU)旋转技术可以有效调制惯性元件的零位偏置,提高惯性导航系统的长时间导航精度。针对船用惯性导航系统的应用需求,设计了IMU单轴旋转的船用激光陀螺捷联式惯性导航系统。分析了IMU单轴旋转的工作机理,并通过仿真进行了验证。对导航系统的总体方案、原理方案和旋转方案的原理和实现进行了论述,初步的性能试验验证了设计方案的有效性。 The drift of inertial sensors can be modulated by rotating Inertial Measure Unit (IMU), thus the precision of long time navi- gation of Inertial Navigation System can be improved. The marine Ring Laser Gyroscope (RLG) Strapdown Inertial Navigation System (SINS) based on IMU rotation is designed aiming at navigation requirement on sea. Principle of IMU rotation is researched by analysis and simulation. The scheme of system, algorithm and the rotation are also discussed. The preliminary test shows that the scheme is efficient.
出处 《海洋技术》 北大核心 2009年第2期88-91,共4页 Ocean Technology
基金 天津市重点科技支撑项目(08ZCKFGX04000)
关键词 IMU旋转 激光陀螺 船用捷联惯导系统 系统设计 IMU rotation RLG marine SINS system design
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参考文献9

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