It is hard to measure gear abrasion of certain type artillery collimator gear box. Therefore design a real time detection system of gear box. The system hardware uses fiber grating sensor as measuring node and adopts fiber as signal transmission medium. The signal is inputted into virtual instrument platform through demodulation system and carried out data processing and displaying. The system software functions include fiber grating demodulation, oscillation signal revivification and gear state estimation. Characteristic of the system is anti-jamming, anti-erosion, small type and easy to integrating.%针对某舰舰炮瞄准机齿轮箱齿轮磨损程度不易测量的问题,设计一种齿轮箱状态实时监测系统.系统硬件以光纤光栅传感器为测量节点,光纤为信号传输介质,信号经解调系统输入虚拟仪器平台,进行数据处理与显示.系统软件功能包括光纤光栅解调、箱体振动信号还原和齿轮状态评估.该系统具有抗干扰、抗腐蚀性强,体积小巧,便于管理,易于集成的特点.
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