全姿态惯导系统全方位射向装定技术研究

摘要

For there is a follow-up loop in four-axes stabled inertial platform,the basement incline must be calculated in the process of omnidirectional orienting.In this paper,the problem of the omnidirectional orienting technology of 4-axes stabled inertial platform customarily applied in practice is analyzed.A new precise omnidirectional orienting technology of 4-axes stabled inertial platform is presented.It can calculate the orientation of the platform via real-time angular sensors output.And consequently the experiments approves the correctness and applicability of the 4-axes stabled inertial platform omnidirectional orienting method.%由于增加了随动回路控制,三框架四轴平台系统要完成高精度射向装定必须综合考虑基座倾斜等情况.首先对目前工程上应用的按照框架角进行射向装定的方法应用于三框架四轴惯性平台系统时存在的问题进行了分析,提出了一种基于姿态解算的三框架四轴平台系统精确全方位射向装定新方法,并开展了工程验证与精度对比试验.试验结果表明该方法能够明显提高各种载体条件下射向装定的精度及稳定性,验证了该方法的正确性和工程适用性.