陀螺加速度计误差模型系数离心机测试方法研究

Test Method for Error Model Coefficients of Pendulous Integrating Gyro Accelerometer on Centrifuge

提出了一种在带有反转平台的精密离心机上标定陀螺加速度计误差模型系数的方法。阐述了其测试原理,指出这种带反转平台的测试原理改善了陀螺加速度计离心机测试的环境条件。所提出的测试方案和辨识方法解决了陀螺加速度计在精密离心机上进行高g测试时,受到离心机大臂旋转牵连运动影响的关键问题,并提出分离和精确标定陀螺加速度计误差模型系数的数据处理方法,解决了反转平台引入后造成的正弦输入问题。

The paper presented a calibrating method for error model coefficients of PIGA （ pendulous integrating gyro accelerometer） using precision centrifuge with counter-rotating platform, expounded its testing principle and pointed out that it could improve the environmental condition of PIGA test on centrifuge. The test scheme and identification method were given which solved the problem of rotation-related influence caused by centrifuge large arm when implementing high g testing. A data processing method for separating and accurately calibrating error model coefficients were presented, and the problem of sinusoidal inputs caused by counter-rotating platform was solved.