半球谐振陀螺工作寿命特性研究

Working-Life Characteristic of the HRG

半球谐振陀螺仪(HRG)是一种高精度、高可靠、长寿命的新型固体振动陀螺仪,在宇航领域有广泛的应用前景。分析了影响半球谐振陀螺工作寿命的主要因素,采取措施以提高陀螺工作寿命,并持续开展陀螺寿命试验,验证了半球谐振陀螺主要指标的长期性能。结果表明,半球谐振陀螺在长期通电工作过程中,性能稳定,工作寿命可达20年,满足深空探测器等执行长期空间任务的应用需求。

The hemispherical resonator gyro(HRG) is a new solid state vibrating gyro that offers high precision,high reliability,and a long life.It has broad application prospects in the aerospace field.This study analyzes the main factors affecting the working life of the HRG,proposes measures to improve the working life of gyroscopes,conducts long-term continuous gyroscope life tests,and verifies the long-term performance of the main indicators of the HRG.The results show that the HRG has a stable performance and a working life of as many as 20 years during long-term electrification,thus meeting the application requirements of long-term space missions,such as deep-space detectors.