两种新算法在鱼雷捷联惯导中的综合应用与仿真

Integrated Use of Two New Algorithms in SINS of Terpedo

将两种新方法:四元数的初始提取法和四元数的实时更新方法,综合运用于鱼雷捷联惯导的初始对准和实时计算并给出了仿真。新的四元数提取法可以克服捷联矩阵的奇点,而新的四元数实时更新方法有精度高和速度快的特点,仿真结果表明,将二者综合应用可以使鱼雷捷联惯导系统的计算更快捷,更精确。

Introducing two new algorithms:initial extraction of quaternion and quaternion's real time update method to the initial calculation and real time update of SINS.New initial extraction of quaternion can overcome the limit of singu- larity of matrix and is more efficient and reliable,and the new quatcrnion's real time update method has the characteris- tics of high precision and speed.The simulation results validate the two new algorithms used integratedly in the SINS of torpedo.