| 某型导弹发射装置液压泵故障预测研究 |
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| 引用本文： | 李洪儒,许葆华. 某型导弹发射装置液压泵故障预测研究[J]. 兵工学报, 2009, 30(7): 900-906 |
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| 作者姓名： | 李洪儒 许葆华 |
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| 作者单位： | 军械工程学院导弹工程系，河北石家庄050003 |
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| 摘 要： | 分析了某型导弹发射装置中液压泵的故障模式，优化了振动传感器的安装位置，通过对其振动信号进行时域分析和小波包分析，提取了用于液压泵故障预测的特征参量；基于支持向量机理论，在Matlab 6,5环境下建立了液压泵的故障预测模型（包括故障映射模型和特征参量预测模型）；预测出液压泵的典型故障。最后通过实例验证了该故障预测模型的有效性。
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| 关 键 词： | 飞行器发射、飞行技术 故障预测 液压泵 支持向量机 |
Fault Prognosis of Hydraulic Pump in the Missile Launcher |
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| LI Hong-ru,XU Bao-hua. Fault Prognosis of Hydraulic Pump in the Missile Launcher[J]. Acta Armamentarii, 2009, 30(7): 900-906 |
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| Authors: | LI Hong-ru XU Bao-hua |
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| Affiliation: | Department of Missile Engineering, Ordnance Engineering College, Shijiazhuang 050003, Hebei, China |
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| Abstract: | The fault modes of hydraulic pump in the missile launcher were analyzed,the vibration sensor's installation site was optimized,the characteristic parameters for fault prognosis of hydraulic pump were extracted by analyzing the vibration signals using time-domain analysis and wavelet packet analysis;the fault prognosis model including fault mapping model and characteristic parameter prognosis model of hydraulic pump was established in Matlab 6.5 based on support vector machine theory;the typical faults of hy... |
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| Keywords: | launch and flight technology of aerocraft fault prognosis hydraulic pump support vector machine |
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