| 航空机载谐振膜式密度传感器的研究 |
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| 引用本文： | 郑德智,张欲晓,樊尚眷.航空机载谐振膜式密度传感器的研究[J].航空制造技术,2009(9). |
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| 作者姓名： | 郑德智 张欲晓 樊尚眷 |
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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 |
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| 摘 要： | 针对飞机飞行中燃油量的在线实时测量需求.设计了基于谐振原理的新型谐振膜式液体密度传感器.对谐振膜片进行了数学模型分析,并设计了基于数字闭环方法的谐振膜式密度传感器整体结构.试验结果表明,该传感器测量精度较高,稳定性较好,结构简单,便于加工,能满足航空煤油在线实时测量的需求.
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| 关 键 词： | 飞机燃油量测量 密度传感器 谐振膜片 闭环控制 |
Research on Airborne Resonant Diaphragm Density Sensor |
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| Zhang Dezhi,Zhang Yuxiao,Fan Shangchun.Research on Airborne Resonant Diaphragm Density Sensor[J].Aeronautical Manufacturing Technology,2009(9). |
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| Authors: | Zhang Dezhi Zhang Yuxiao Fan Shangchun |
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| Abstract: | A new resonant diaphragm liquid density sensor based on resonance principle is designed due to the need of the real-time online measurement for fuel quantity during aircraft flight.On basis of analyzing the mathematical models of resonant diaphragm,a integral structure of resonant diaphragm density sensor is designed based on the method of digital closed-loop.Experiment results show that the sensor has high precision,good stability,simple structure,easy processing and can meet the demand of real-time online... |
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| Keywords: | Aircraft fuel quantity measurment Density sensor Resonant diaphragm Closed-loop control |
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