公开(公告)号：KR101316071B1

公开(公告)日：2013-10-15

申请号：KR1020120099169

申请日：2012-09-07

Applicant: 국방과학연구소

Inventor： 최우석 ,  정경호 ,  유명종 ,  신미선

IPC: G01C19/72 ,  H01S3/083

CPC classification number: G01C19/72 ,  H01S3/05 ,  H01S3/083

Abstract: PURPOSE: An evaluation for dither sensitivity in a closed-loop fiber-optic gyro and a method for improving the property of a dead zone based on the same are provided to remove the dead zone with a pulse dithering technique and to predict a potential change factor against the gain of an amplifier in the closed-loop and the bandwidth of a cutoff frequency. CONSTITUTION: A method for improving the property of a dead zone based on an evaluation for dither sensitivity in a closed-loop fiber-optic gyro includes: a step (S32) of initializing an optimization target variable, and determining a condition for the evaluation item of the dither sensitivity; a step (S33) of evaluating the dither sensitivity according to the determined condition; a step (S34) of identifying whether or not the property of the evaluated dither sensitivity satisfies the determined condition according to the evaluated dither sensitivity; a step (S35) of storing the optimization target variable and an optimal dither amplitude point, and then fixedly applying the optimization target variable when the property satisfies the determined condition; a step (S34-1) of changing the optimization target variable when the property does not satisfy the determined condition; and a step (S36) of determining a dither amplitude optimal value according to a predetermined value using the stored optimal dither amplitude point. [Reference numerals] (S31) Start; (S32) Initializing an optimization target variable and determining a condition for the evaluation item of the dither sensitivity; (S33) Evaluating the dither sensitivity; (S34) Satisfying the determined condition?; (S34-1) Changing the optimization target variable; (S35) Applying the optimization target variable; (S36) Determining a dither amplitude optimal value; (S37) End

Abstract translation: 目的：提供闭环光纤陀螺中抖动灵敏度的评估和基于该闭环光纤陀螺的死区特性的改进方法，以用脉冲抖动技术去除死区，并预测潜在的变化因子 抵抗闭环中的放大器的增益和截止频率的带宽。 构成：基于对闭环光纤陀螺仪的抖动灵敏度的评估来提高死区特性的方法包括：初始化优化目标变量的步骤（S32），以及确定评价项目的条件 的灵敏度; 根据确定的条件评估抖动敏感度的步骤（S33）; 根据评估的抖动灵敏度来识别所评估的抖动灵敏度的性质是否满足所确定的条件的步骤（S34）; 存储优化目标变量和最佳抖动振幅点的步骤（S35），然后当该性能满足确定条件时固定地应用优化目标变量; 当所述属性不满足所述确定的条件时，改变所述优化目标变量的步骤（S34-1）; 以及使用存储的最佳抖动振幅点根据预定值确定抖动振幅最优值的步骤（S36）。 （参考号）（S31）开始; （S32）初始化优化目标变量并确定抖动灵敏度的评估项目的条件; （S33）评估抖动灵敏度; （S34）满足确定的条件？ （S34-1）更改优化目标变量; （S35）应用优化目标变量; （S36）确定抖动振幅最优值; （S37）结束