| 捷联惯导系统加速度计采集电路设计 |
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| 引用本文： | 刘飞,周卫宁,林恒.捷联惯导系统加速度计采集电路设计[J].电光与控制,2011,18(7):86-89. |
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| 作者姓名： | 刘飞 周卫宁 林恒 |
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| 作者单位： | 北京航空航天大学仪器科学与光电工程学院,北京,100191 |
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| 摘 要： | 为提高电路的稳定性,根据电流积分型I/F转换电路的电荷平衡原理,设计了一个基于动态自动校零运放ICL7650的加速度计采集电路.由于该运放的自动校零功能,使电路本身能够对零位和漂移进行自校正.介绍了采集电路的各个功能模块具体实现方案,对各器件的选型和参数确定做出详细的分析.着重介绍了恒流源的重要性和实现方法.经测试证明...
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| 关 键 词： | 加速度计 电路设计 I/F转换 电荷平衡原理 恒流源 |
Design of a Data Acquisition Circuit for Accelerometer in Strap-down Inertial Navigation System |
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| LIU Fei,ZHOU Weining,LIN Heng.Design of a Data Acquisition Circuit for Accelerometer in Strap-down Inertial Navigation System[J].Electronics Optics & Control,2011,18(7):86-89. |
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| Authors: | LIU Fei ZHOU Weining LIN Heng |
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| Affiliation: | LIU Fei,ZHOU Weining,LIN Heng(School of Instrumentation Science and Opto-Electronics Engineering,Beihang University,Beijing 100191,China) |
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| Abstract: | To enhance the stability of the circuit,an accelerometer data collection circuit was designed on the basis of the principle of charge balance in integral I/F switching circuit.The dynamic auto-stabilized operational amplifier ICL7650,which can revise the zero offset of the circuit,was used.The specific realization of each function module of the circuit was introduced with detailed analysis of the device type selection and its parameter determination.Then the importance and the implementation of constant cur... |
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| Keywords: | accelerometer circuit design I/F convertion charge balance constant current source |
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