Assesment on on-wing engine health based on non linear dynamic engine behaviour

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This work will focus on the development and validation of the novel:-nonlinear higher order spectra and novel nonlinear detection analytical methods to determine the relationship between the developed higher order spectra and structural damage/deterioration, including for blade crack detection-vibration diagnosis/predictive technology allowed damage diagnosis, esttimation of the remaining useful life and damage severity quantification based on the determined relationship and trending of the higher order spectra.