由仿真结果可以看出,它能较精确地估计陀螺常值漂移和航向角误差,为系统误差的校正提供了可信信息。
The simulation results show that the constant gyro drifts and the heading errors, which provide information for calibrating the system errors, can be estimated exactly.
首次提出了振动条件下惯性平台角振动是导致加速度误差和陀螺漂移变化的重要因素。
It is firstly put forward that the Angle vibration of platform under vibration situation is the main factor causing gyro drift and acceleration bias.
应用球面三角法和方向余弦矩阵法分别推导出双轴陀螺平台的支架误差公式,发现由这两种方法推导出来的公式计算结果是一致的。
Methods of spherical trigonometry and direction cosine matrix were applied respectively to derive the bracket error, and the two methods had the same error formula and the same calculation results.
对由此产生的陀螺姿态角误差进行了仿真分析,并在此基础上建立起与之相应的简化误差方程,对简化误差方程进行了复域分析。
Based on the simulation of the gyro attitude errors resulted from above mentioned, a simplified error equation is established and the analysis in complex domain is made.
本文采用球面三角形原理推导了导航定位误差与陀螺姿态误差的关系式。
The relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle.
在惯导平台多位置静态测漂方案下,对陀螺安装误差角的辨识结果往往很不理想。
The identification result of the gyro misalignment angle in inertial platform is unsatisfactory for the static multiposition test scheme.
仿真和试验对标定编排改进前后的标定精度和导航性能进行了对比,表明改进编排方案可以提高陀螺和加速度计安装误差角标定精度,改善系统导航性能。
Simulation and test results of a laser gyro strapdown inertial navigation system show that the improved calibration scheme can increase the calibration accuracy and improve the navigation performance.
从挠性陀螺组合安装误差模型入手,推导出存在轴不对准角情况下的挠性陀螺组合静态误差标定模型,并给出静态误差标定的位置试验方案。
The installation error model of the gyroscope integrated is analyzed, and then error calibration model of flexible gyroscope integrated is deduced when malalignment Angle is considered.
改进的滤波估计法引入偏差去耦技术在零速校正期间估计出陀螺漂移,并利用速度信息快速估计出方位误差角。
In the improved filter estimation method, the decoupled state and bias estimation technology is introduced to estimate gyro constant bias during ZUPT.
文中讨论了速率偏频激光陀螺在系统中的精确标定方法,指出该方法需要特殊的转台设备,目前尚无法满足,因此提出了一种结合光学方法测量陀螺安装误差角。
This paper discusses the RLG calibration method, and points out that the precise calibration of the rate biased RLG need special equipment that is not available at present.
光纤陀螺与温度相关误差项主要为零漂和标度因数,输入轴失准角也是影响光纤陀螺应用的一个重要误差项。
The errors of FOG involved with temperature are zero bias and scale factor. Input axis misalignment is another important error with temperature.
光纤陀螺与温度相关误差项主要为零漂和标度因数,输入轴失准角也是影响光纤陀螺应用的一个重要误差项。
The errors of FOG involved with temperature are zero bias and scale factor. Input axis misalignment is another important error with temperature.
应用推荐