光学陀螺旋转调制惯导系统及关键技术发展

Development of Optical Gyroscope Rotation Modulation Inertial Navigation System and Key Technologies

面向长航时、高精度的自主导航技术需求,系统梳理光学陀螺旋转调制惯导系统的发展历程及关键技术现状具有重要的现实意义。首先,基于惯导系统误差特性,阐述了旋转调制技术的基本原理。其次,系统回顾和梳理欧美等西方国家旋转惯导系统发展历程,分析了系统发展演变后的技术逻辑,总结了我国旋转惯导系统的研制现状。最后,立足于提高系统自主导航精度,从旋转策略优化、误差标校、初始对准3个方面分析了旋转惯导系统需解决的关键技术及研究现状。在总结光学陀螺旋转调制惯导系统及关键技术发展基础上,针对后续旋转惯导系统研究提出了几点思考,为高精度自主导航技术研究提供参考。

Orienting toward the demand for long-endurance and high-precision autonomous navigation technology,it is of extremely significant practical importance to systematically tease out and review the development history and current status of key technologies of optical gyro rotating modulation inertial navigation systems(INS).Firstly,in light of the error characteristics of inertial navigation systems,the fundamental principle of rotating modulation technology is elaborated.This principle plays a crucial role in enhancing the accuracy and reliability of navigation.Secondly,a comprehensive review and analysis of the development history of rotating inertial navigation systems in Western countries such as Europe and the United States is conducted.The technical logic behind the evolution of these systems is examined,providing valuable insights for future development.Additionally,the current status of the development of rotating inertial navigation systems in China is summarized.Finally,with the aim of improving the autonomous navigation accuracy of the system,the key technologies and research status of rotating inertial navigation systems that need to be addressed are analyzed from three aspects:rotation strategy optimization,error calibration,and initial alignment.This in-depth analysis helps identify the challenges and opportunities in this field.Based on the summary of the optical gyro rotating modulation inertial navigation system and the development of key technologies,several thoughts are put forward for the subsequent research on rotating inertial navigation systems,which can serve as a valuable reference for the research on high-precision autonomous navigation technology.