| 充油式挠性摆式加速度计中气泡故障的判断 |
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| 引用本文： | 杜伟,陈敏花,季明华.充油式挠性摆式加速度计中气泡故障的判断[J].上海航天,2006,23(4):61-64. |
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| 作者姓名： | 杜伟 陈敏花 季明华 |
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| 作者单位： | 上海航天控制工程研究所,上海,200233 |
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| 摘 要： | 分析了气泡作用于充油式挠性摆加速度计摆不同位置时输出变化的机理。讨论并分析了气泡引起的输出减小、故障单向出现、故障输出数据随通电时间增长而趋于正常，以及倒置摆放测试故障消失等特征及其原因。并与其他主要误差源的输出特征进行了比较，据此归纳了快速有效判断气泡的标准。
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| 关 键 词： | 充油式挠性摆加速度计 气泡 机理分析 试验验证 判断标准 |
| 文章编号： | 1006-1630（2006）04-0061-04 |
| 收稿时间： | 2005-06-02 |
| 修稿时间： | 2005年6月2日 |
Air Bubble Judgement of Liquid Floated Flexible Pendulum Accelerometer |
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| DU Wei,CHEN Min-hua,JI Ming-hua.Air Bubble Judgement of Liquid Floated Flexible Pendulum Accelerometer[J].Aerospace Shanghai,2006,23(4):61-64. |
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| Authors: | DU Wei CHEN Min-hua JI Ming-hua |
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| Institution: | Shanghai Aerospace Control Engineering Institute, Shanghai 200233, China |
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| Abstract: | The mechanism of the output change when the air bubble acted on pendulum of liquid floated flexible pendulum accelerometer was analyzed in this paper. The characteristics and reasons of the trouble caused by air bubble such as the output decreasing, one direction trouble, output data tending to normal while powering on, and trouble disappearing in inverted test were discussed, which were compared with the output changes produced by other major error factors. The simple judgement rule for air bubble was presented at last. |
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| Keywords: | Liquid floated flexible pendulum accelerometer Air bubble Mechanism analysis Test approval Judgement rule |
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