| 柴油机缸盖周期性振动信号的自相关周期识别 |
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| 引用本文： | 张来斌,潘兴德,王朝晖,李江新,齐明侠.柴油机缸盖周期性振动信号的自相关周期识别[J].中国石油大学学报(自然科学版),1999(6). |
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| 作者姓名： | 张来斌 潘兴德 王朝晖 李江新 齐明侠 |
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| 作者单位： | 石油大学机电工程学院!北京昌平102200 |
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| 摘 要： | 提出了类周期概念，利用拓展的周期信号自相关函数，实现了柴油机缸盖振动信号类周期的识别和主要振动波形的提取。实践证明，该方法的准确性高，有利于实现数据处理的智能化，为进一步分析柴油机缸盖振动信号奠定了扎实的基础。
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| 关 键 词： | 柴油机 故障诊断 振动信号 振动周期 信号识别 自相关 |
AUTO-CORRELATED RECOG-NITION OF PERIODIC VIBRATION SIGNAL SAMPLED ON CYLINKER HEAD OF DIESEL ENGINE |
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| Zhang Laibin, Pan Xingde,Wang Zhaohui,Li Jiangxin and Qi Mingxia.AUTO-CORRELATED RECOG-NITION OF PERIODIC VIBRATION SIGNAL SAMPLED ON CYLINKER HEAD OF DIESEL ENGINE[J].Journal of China University of Petroleum,1999(6). |
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| Authors: | Zhang Laibin Pan Xingde Wang Zhaohui Li Jiangxin and Qi Mingxia |
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| Institution: | Zhang Laibin; Pan Xingde;Wang Zhaohui;Li Jiangxin and Qi Mingxia |
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| Abstract: | The definition of approximate period is put forward .Based on the extended auto-correlation function of periodic signal,the approximate period of vibration signal sampled on cylinder head of diesel engine is recognized,and the main vibration waveforms are extracted.The application results show that this method is very accurate and helpful for sigmal processing intellectually |
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| Keywords: | diesel dngine fault diagnosis vibration signal vibration period signal recognition auto-correlation |
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