陀螺加速度计二次项系数K_2的离心机测试方法研究  

Testing methodology for second-order coefficient K_2 of gyro accelerometer by centrifuge

作　　者：乔永辉[1] 刘雨[1] 苏宝库[1] 

机构地区：[1]哈尔滨工业大学空间控制与惯性技术研究中心,哈尔滨150001

出　　处：《中国惯性技术学报》2007年第1期120-122,共3页Journal of Chinese Inertial Technology

基　　金：国家安全重大基础研究项目(973-61334)

摘　　要：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二次项系数K2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PIGA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二次非线性项系数K2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 second-order coefficient K2 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 K2 were presented, and the problem of sinusoidal inputs caused by counter-rotating platform was solved.

关 键 词：陀螺加速度计 离心机 反转平台 测试技术 

分 类 号：U666.1[交通运输工程—船舶及航道工程]