| 光纤陀螺惯性测量单元数据采集系统设计 |
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| 引用本文： | 张永表,徐继克.光纤陀螺惯性测量单元数据采集系统设计[J].北京联合大学学报(自然科学版),2011(1):23-27. |
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| 作者姓名： | 张永表 徐继克 |
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| 作者单位： | 中国兵器工业集团公司内蒙古第一机械制造集团有限公司计量检测研究所;东南大学仪器科学与工程学院; |
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| 摘 要： | 为了满足捷联惯性导航系统对惯性测量单元低成本、小体积、高速率等要求,提出了一种捷联式惯性测量单元的设计与实现方法。该系统以开环光纤陀螺和硅微加速度计作为惯性敏感元件,采用高速DSP作为中央处理器实现数据采集、处理及输出,重点介绍了系统的数据采集模块、处理模块、通讯模块等硬件电路及相应软件的设计。系统中选取了高性能的集成电路芯片,在DSP的基础上进行了简易可靠的接口电路设计和在线误差校正,试验结果表明该信号采集系统能满足捷联惯性导航系统的技术要求。
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| 关 键 词： | 光纤陀螺 捷联式惯性测量单元 数据采集 数字信号处理器 |
Design of Data Acquisition System for Inertial Measurement Unit Based on FOG |
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| ZHANG Yong-biao,XU Ji-ke.Design of Data Acquisition System for Inertial Measurement Unit Based on FOG[J].Journal of Beijing Union University,2011(1):23-27. |
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| Authors: | ZHANG Yong-biao XU Ji-ke |
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| Institution: | ZHANG Yong-biao1,XU Ji-ke2(1.North Industries Group Corporation,Inner Mongolia First Machinery Group Corporation,Institute of Measurement Detection,Baotou Inner Mongolia 014032,China,2.School of Instrumental Science and Engineering,Southeast University,Nanjing 210096,China) |
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| Abstract: | In order to meet the requirements of low cost,miniaturization and high speed in the design of IMU(In-ertial Measurement Unit) for strapdown inertial navigation system,SIMU(Strapdown Inertial Measurement Unit) was designed by using open-loop FOG(fiber optic gyroscopes) and MEMS(Micro-Electro-Mechanical Systems) accelerometers.A high-speed digital signal processor(DSP) was used to carry out data acquisition,digital signal processing,and result output.The design of system hardware and software is presented in ... |
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| Keywords: | FOG SIMU data acquisition DSP |
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