A gyro is tested for developing a model of gyro drift character.
为建立陀螺仪漂移特性模型,需对其进行测试。
It is important to choose the independent variables for determining the gyro drift model.
陀螺漂移模型变量的选择在建模中具有重要作用。
The software system of gyro drift testing is introduced and it is carried out by VB finally.
最后介绍了利用VB语言设计陀螺漂移测试的软件系统。
The scheme can calibrate static error coefficients of gyroscope integrated. Thus, the gyro drift is reduced.
提出的标定方案可以有效标定陀螺组合静态误差系数,从而减少陀螺漂移。
Installation error of gyroscope integrated can lead to gyro drift. Thus, the precision of INS is influenced.
陀螺组合的安装误差会引起陀螺漂移,从而对惯导系统产生影响。
Methods of error compensation for gyro drift of two axes platform is presented according to DTG characteristic.
根据动力调谐陀螺与重力相关漂移项的特点,提出了双轴平台陀螺漂移误差的补偿方法。
This paper presents the application of an approximate nonlinear filter in the identification of gyro drift error model.
提出了应用近似非线性滤波技术,辨识陀螺漂移误差模型的方法。
The outlier signal from the MEMS gyro drift could be got rid of effectively by uniting the mean filter and the median filter.
通过中值滤波和均值滤波的有机结合,可以去除MEMS陀螺仪漂移中的“野点”信号。
The state equations of the system are established on the basis of the relation between attitude error quaternion and the gyro drift.
本文以姿态误差四元数与陀螺漂移误差之间的关系为基础,构建了系统状态方程;
When the estimated error of gyro drift reduces to some low extent, the filter was switched to the fusion mode of EKF and optimal REQUEST.
当陀螺漂移误差减小到一定程度,再切换为EKF与最优REQUEST算法融合的双重滤波器。
It is firstly put forward that the Angle vibration of platform under vibration situation is the main factor causing gyro drift and acceleration bias.
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。
Existing closed-loop methods for measuring gyro drift can not meet the precision and speed requirements needed for initial alignment of INS (inertial navigation system).
惯导对准过程中陀螺仪漂移率的测量是一个重要的工程实际问题 ,经典的闭环测量在测量精度和快速性等方面存在缺点。
Horizontal gyro drift is measured in state of azimuthal alignment by the two localization laws of the three directions of north, west and up, as well as east, north and up.
通过方位精对准状态在北西天坐标系和东北天坐标系两次定位测量水平陀螺漂移,在水平精对准状态下记录北向速度并采用最小二乘法解算方位陀螺漂移。
Experimental results show preliminarily that our open-loop method for obtaining gyro drift can meet the precision and speed requirements needed for initial alignment of INS in China.
实验证明,开环测漂方案既能满足精度要求,又能保证快速性,切合工程实际的需要。
Accelerometer of platform is used to measure the attitude of carrier. Gravity component at two input axes of DTG is calculated. The Gyro drift model is made to compensate the azimuth.
通过安装在双轴平台上的加速度计测量载体姿态,并计算重力在陀螺两个测量轴的分量,建立了陀螺漂移模型,对方位漂移进行补偿。
The paper sets up a time sequence model of laser gyro random error and processes the drift data by Kalman filter based on the model.
在对激光陀螺漂移数据建立时间序列模型的基础上,对激光陀螺的漂移数据进行了卡尔曼滤波。
There exists a slope drift in an integral gyro when it is used as an azimuth gyro, which may cause serious heading and position errors in the Inertial Navigation System (INS).
当惯性陀螺工作在方位姿态时,有一定的斜坡漂移,它将引起惯性导航系统中的严重的航向和位置误差,所以有必要估计和补偿它。
Elastic distortion generated by gyro due to acceleration is the major factor of producing drift error.
陀螺在加速度作用下的弹性变形,是产生漂移误差的主要因素。
By using this method, the mathematical models have been established for random drift process of the dynamically tuned gyro and the flex-accelerometer.
利用这种方法,本文对动力调谐式陀螺和挠性加速度计的随机漂移过程进行了建模研究。
The static drift error and dynamic test error of liquid floated reactive rate gyro are analyzed also.
分析了液浮力反馈速率陀螺的静态漂移误差和动态测量误差。
Based on measured data of micro silicon gyro and time-series theory, the AR model of gyro static drift is established, then the continuous-time differential equation is got.
利用微硅陀螺测量的数据,运用过程辨识理论和时间序列分析方法,建立了陀螺静态漂移的自回归(AR)模型,进而得到连续微分方程。
Analyze characteristic of gyro random drift and establish gyro random drift model is the basis of improve ulteriorly the precision of data calculation after experiment.
对陀螺随机漂移进行特性分析与建模,是进一步提高事后数据解算精度的基础。
The results from experimental data analysis of electrical suspended gyro show that the methods developed in this paper can fully satisfy the drift error modelling requirements of high quality gyros.
对静电陀螺仪实验数据分析结果表明,文中提出的方法完全能满足高精度陀螺仪漂移误差模型的建模要求。
The precision of gyro is one of the most important points to decide precision of missile control system and it is mostly effected by the gyro random drift.
导弹控制系统中,陀螺精度是系统精度的重要指标之一,而陀螺仪随机漂移是影响陀螺精度的重要误差源,因而研究陀螺仪随机漂移对提高陀螺精度有着重要意义。
This paper summarized the method of the random drift testing and data recording system of the hydrodynamic gas bearing free rotor gyro.
本文总结了动压气浮自由转子陀螺仪随机漂移测试方法和数据记录系统,对测试结果进行了概率统计分析和处理。
By using the data modeling methods of time series analysis, we can build the model of bias instability for the drift data of fiber optic gyro.
但通过时间序列分析中的数据建模方法可对光纤陀螺的零漂测试数据建立零偏稳定性数学模型。
The results from experimental data analysis of electrical suspended gyro show that the methods developed in this paper can fully satisfy the drift error...
对静电陀螺仪实验数据分析结果表明,文中提出的方法完全能满足高精度陀螺仪漂移误差模型的建模要求。
The results from experimental data analysis of electrical suspended gyro show that the methods developed in this paper can fully satisfy the drift error modelling requirements of high quality…
对静电陀螺仪实验数据分析结果表明,文中提出的方法完全能满足高精度陀螺仪漂移误差模型的建模要求。
Gyroscope drift and its measurement. B. Principle of typical gyroscope instruments, such as gyro compass, gyro north finder, gyro horizon, platform compass, rate gyroscope and integrating gyroscope.
典型陀螺仪器(包括陀螺罗经、陀螺找北仪、陀螺地平仪、平台罗经、速率陀螺仪和积分陀螺仪等)的工作原理;
Gyroscope drift and its measurement. B. Principle of typical gyroscope instruments, such as gyro compass, gyro north finder, gyro horizon, platform compass, rate gyroscope and integrating gyroscope.
典型陀螺仪器(包括陀螺罗经、陀螺找北仪、陀螺地平仪、平台罗经、速率陀螺仪和积分陀螺仪等)的工作原理;
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