An Integrated Health Condition Detection Method for Rotating Machinery Using Refined Composite Multivariate Multiscale Amplitude-Aware Permutation Entropy

<div>The vibration signal waveforms of the gearbox in different health conditions, where red denotes data of the motor side and blue denotes the load side.</div>

Mathematical Problems in Engineering

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Figure 14

Figure 14: An Integrated Health Condition Detection Method for Rotating Machinery Using Refined Composite Multivariate Multiscale Amplitude-Aware Permutation Entropy 

Figure 14 | An Integrated Health Condition Detection Method for Rotating Machinery Using Refined Composite Multivariate Multiscale Amplitude-Aware Permutation Entropy 