[Retracted] Fault Diagnosis Method of Rotor Magnetic Field Local Demagnetization in Permanent Magnet Synchronous Motor Model Predictive Current Control System

<div>The 3/4 order fault characteristic harmonic current extracted from stator current based on adaptive signal extraction algorithm and its three-dimensional time-frequency spectrum based on Hilbert transform. (a) The 3/4 order fault characteristic harmonic current extracted from stator current. (b) Three-dimensional time-frequency spectrum.</div>

Security and Communication Networks

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Figure 10: [Retracted] Fault Diagnosis Method of Rotor Magnetic Field Local Demagnetization in Permanent Magnet Synchronous Motor Model Predictive Current Control System 

Figure 10 | [Retracted] Fault Diagnosis Method of Rotor Magnetic Field Local Demagnetization in Permanent Magnet Synchronous Motor Model Predictive Current Control System 