光纤陀螺在新型飞行器遥测系统中的应用研究

摘要

新型飞行器利用动态瞬时角速率信号进行气动辨识.遥测系统采用光纤陀螺测量动态瞬时角速率信号,通过RS422串口与采编设备进行数字通信,通过同步信号和移位脉冲信号控制角速率信号同步采集与传输,且在传输信号中设置帧头和帧尾,保证了数据信号同步的正确性.测试结果表明光纤陀螺动态测量精度达到0.01°/s,随机振动过程中的均值漂移优于0.01°/s,且具有良好的抗力学环境能力.%Dynamic instantaneous angular rate is used for pneumatic identification in the novel vehicle. Dynamic instantaneous angular rate is obtained by fiber optic gyroscope in the telemetry system, and the serial interface RS422 is used for the signal transmission to the encoding equipment. Synchronous data and shift pulse are used for synchronous sampling and signal transmission, especially frame header and frame tail are set for exact synchronization. The test results show that the dynamic measurement precision of the fiber optic gyroscope can research 0.01°/s, the mean shift in random vibration is below 0.01°/s, and the engineering prototype has predominant mechanical environment ability.