A Multiperiodicity-Induced Sparse-Fidelity Representation Model for Compound Fault Diagnosis of Wind Turbine Gearbox

Compound faults are common in wind turbine gearbox due to complex structure and harsh operating condition, which are represented by the bearing-gear fault, gear-gear fault, and so on. It is a challenging task to accurately detect multiple faults from on-site vibration signal potentially contaminated...

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