| 基于子带能量法的发动机振动信号分析研究 |
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| 引用本文： | 梁红波,司景萍,高志鹰,赵勇,任庆霜.基于子带能量法的发动机振动信号分析研究[J].噪声与振动控制,2010,30(1):72-77. |
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| 作者姓名： | 梁红波 司景萍 高志鹰 赵勇 任庆霜 |
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| 作者单位： | （内蒙古工业大学能源与动力工程学院，呼和浩特 010051） |
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| 基金项目： | 内蒙古自治区自然基金资助项目 |
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| 摘 要： | 以DA462型发动机缸壁及缸盖外表面的振动信号为研究对象,对发动机振动诊断机理进行研究,在实验的基础上对实验测得的信号用子带能量法进行深入的计算和分析,验证将子带能量法应用到发动机的振动信号分析中,能够对发动机的故障进行较准确的诊断。
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| 关 键 词： | 振动与波 发动机 子带能量 振动 信号处理 |
| 收稿时间： | 2009-5-6 |
Analysis of Vibration Signals of Engines Based on Sub-Band Energy Method |
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| LIANG Hong-bo,SI Jing-ping,GAO Zhi-ying,ZHAO yong,REN Qing-shuang.Analysis of Vibration Signals of Engines Based on Sub-Band Energy Method[J].Noise and Vibration Control,2010,30(1):72-77. |
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| Authors: | LIANG Hong-bo SI Jing-ping GAO Zhi-ying ZHAO yong REN Qing-shuang |
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| Affiliation: | (School of Energy and Power Engineering, Inner Mongolia University of Technology, Huhhot010051, China) |
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| Abstract: | Taking the vibration signals on the surface of cylinders of DA462 engine as an example,the diagnosis mechanism of the engine vibration is studied.The measured signals are calculated and analyzed by means of sub-band energy method.It is verified that the sub-band energy method can be applied for vibration signal analysis of engines,and the engine fault can be diagnosed accurately. |
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| Keywords: | vibration and wave engine sub-band energy vibration signal processing |
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