Discrete Wavelet Transform Application in Variable Displacement Pumps Condition Monitoring

  • Molham ChikhalsoukEmail author
  • Balasubramanian Esakki
  • Khalid Zhouri
  • Yassin Nmir
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 942)


Pumps performance and design can be detected through vibration signature comparison, which can detect malfunction and poor design aspects. In order to understand the vibration signature, there is a need to implement well-known techniques to obtain the required information. The most popular technique is Fourier Transform (FT). However, this technique and another frequency related technique focus on obtaining the frequency components and this is well accepted for stationery signatures. In condition monitoring process, it is very important to identify both the frequency and the time of occurrence, which is the nature of the transient signature. The most recent technique in identifying the useful information of transient signals is the Wavelet Analysis. In this study, the signals of healthy and defective control systems of the variable displacement pump are recorded and analyzed by using Wavelet Analysis. The study confirms the ability to apply the wavelet analysis in detecting the variable displacement pumps’ defects.


Vibration analysis Fault diagnosis Control unit Variable displacement pumps Wavelet analysis 


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Molham Chikhalsouk
    • 1
    Email author
  • Balasubramanian Esakki
    • 1
  • Khalid Zhouri
    • 1
  • Yassin Nmir
    • 1
  1. 1.Abu Dhabi Men’s College, Higher Colleges of TechnologyAbu DhabiUAE

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