论文部分内容阅读
光纤陀螺输出为角速率信号,基于角增量和速度增量的传统划桨运动补偿算法直接应用于光纤陀螺捷联惯导系统时,算法误差明显增大,影响了惯导精度。为了抑制算法误差,提出了以角速率为输入信号的划桨补偿算法,并以算法漂移误差最小为优化准则对算法进行优化,推导了相应的划桨补偿系数方程和算法误差表达式。仿真结果表明,所设计的算法比同子样数常规角增量划桨补偿算法在补偿精度上有明显提高。
FOG output is the angular velocity signal. When the traditional paddle motion compensation algorithm based on angular increment and velocity increment is directly applied to FOGS, the error of the algorithm increases obviously, which affects the accuracy of INS. In order to restrain the algorithm error, the algorithm of scribing compensation with the angular rate as the input signal is proposed. The optimization algorithm is optimized with the minimum drift of the algorithm as the optimization criterion. The corresponding equation of the scribing compensation coefficient and the algorithm error expression are deduced. The simulation results show that the proposed algorithm has a significant improvement in the compensation accuracy compared with the conventional subarranged slipping compensation algorithm.