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小量程摆式加速度计的小角度十二点翻滚测试方法
吴 畏,年海涛,刘宝凤,崔 晶,蒋效雄
0
(天津航海仪器研究所;总装备部驻天津地区军事代表室)
摘要:
针对量程小于± 1g 的加速度计, 提出了小角度十二点翻滚测试法来标定加速度计的模 型方程。分析了小角度翻滚测试的原理, 给出了模型系数计算公式, 并利用该公式进行了理论 仿真研究和实际测试, 该测试方法得出的偏值K0、标度因数K1 和输入轴安装误差角δo 的值与国 军标测出系数值的误差分别为0􀆰 36‰、0􀆰 09‰和3􀆰 24‰, 其余模型参数也有较高的可信度, 验 证了小角度十二点翻滚测试方法的可行性。
关键词:  摆式加速度计  输入量程  模型系数  十二点翻滚测试
DOI:
基金项目:
12⁃point Tumble Test Method in a Small Angle for PendulousAccelerometer with Narrow Input Range
WU Wei,NIAN Hai⁃tao,LIU Bao⁃feng,CUI Jing,JIANG Xiao⁃xiong
()
Abstract:
In this paper, a new 12⁃point tumble test method was proposed for the pendulous accelerometer whose input range was too narrow to reach ±1g. The theory of the tumble test in a small angle was described, and the formula to calcu⁃ late its model coefficients was presented. Based on the formula, the simulation and the test data were given, and compared with the GJB, the error values of the offset K0, scale factor K1 and misalignment angle δo were 0􀆰 36 ‰, 0􀆰 09 ‰ and 3􀆰 24 ‰, which validated this new 12⁃point tumble test method was feasible.
Key words:  Pendulous accelerometer  Input range  Model coefficient  12⁃point tumble test

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