A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing
المؤلفون المشاركون
Wu, Shoujun
Feng, Fuzhou
Zhu, Junzhen
Wu, Chunzhi
Zhang, Guang
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-05-07
دولة النشر
مصر
عدد الصفحات
16
التخصصات الرئيسية
الملخص EN
Variational mode decomposition (VMD) method has been widely used in the field of signal processing with significant advantages over other decomposition methods in eliminating modal aliasing and noise robustness.
The number (usually denoted by K) of intrinsic mode function (IMF) has a great influence on decomposition results.
When dealing with signals including complex components, it is usually impossible for the existing methods to obtain correct results and also effective methods for determining K value are lacking.
A method called center frequency statistical analysis (CFSA) is proposed in this paper to determine K value.
CFSA method can obtain K value accurately based on center frequency histogram.
To shed further light on its performance, we analyze the behavior of CFSA method with simulation signal in the presence of variable components amplitude, components frequency, and components number as well as noise amplitude.
The normal and fault vibration signals obtained from a bearing experimental setup are used to verify the method.
Compared with maximum center frequency observation (MCFO), correlation coefficient (CC), and normalized mutual information (NMI) methods, CFSA is more robust and accurate, and the center frequencies results are consistent with the main frequencies in FFT spectrum.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wu, Shoujun& Feng, Fuzhou& Zhu, Junzhen& Wu, Chunzhi& Zhang, Guang. 2020. A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing. Shock and Vibration،Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210417
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wu, Shoujun…[et al.]. A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing. Shock and Vibration No. 2020 (2020), pp.1-16.
https://search.emarefa.net/detail/BIM-1210417
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wu, Shoujun& Feng, Fuzhou& Zhu, Junzhen& Wu, Chunzhi& Zhang, Guang. A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210417
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1210417
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر