| EMD在机电系统振动信号分析中的应用研究 |
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| 引用本文： | 李建伟,李燕,许宝杰.EMD在机电系统振动信号分析中的应用研究[J].科学技术与工程,2009,9(17). |
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| 作者姓名： | 李建伟 李燕 许宝杰 |
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| 作者单位： | 1. 河南农业大学机电工程学院,郑州,450002
2. 北京信息科技大学机电工程学院,北京,100192 |
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| 摘 要： | EMD是一种较新的信号分析方法,由于其具有能够自适应分解和优良的局部分析能力的突出优点,在机电系统振动信号分析领域有很广阔的应用前景.介绍了其理论基础,分析了其优势和缺陷,指出了其在机电系统振动信号的滤波和信号分析中应用的可能性和实现方式.为了验证应用的有效性,给出了验证实例.实例表明,EMD在机电系统振动信号的分析中具有良好的效果.
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| 关 键 词： | 经验模态分解(CEMD) 滤波 信号分析 |
Applications of EMD in the Analysis of Vibration Signal of Mechanical and Electrical System |
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| LI Jian-wei,LI Yan,XU Bao-jie.Applications of EMD in the Analysis of Vibration Signal of Mechanical and Electrical System[J].Science Technology and Engineering,2009,9(17). |
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| Authors: | LI Jian-wei LI Yan XU Bao-jie |
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| Institution: | Mechanical & Electrical Engineering College;Henan Agricultural University;Zhengzhou 450002;P.R.China;Mechanical & Electrical Engineering School;Beijing Information Science & Technology University 1;Beijing 100192;P.R.China |
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| Abstract: | Empirical mode decomposition(EMD)is a new signal analysis method.There are many aspects.It can be used in the field of mechanical and electrical system vibration signal analysis,for its perfect advantages.such as:self-adapting,local analysis ability.The basal principle of the method was introduced shortly.Both advantages and disadvantages of the method were pointed out.Further more,the possible and method of applications in mechanical and electrical system vibration signal were explained.Two approach were d... |
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| Keywords: | empirical mode decomposition filter signal analysis |
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