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In order to process the non-stationary vibration signals during run-up of gearbox, the method based on angle domain average and autoregressive spectrum analysis is presented. This new method combines angle domain average with angle domain average technique. Firstly, the vibration signal is sampled at constant time increments and then uses software to resample the data at constant angle increments...
A new method to fault diagnosis of bearing based on order tracking technique and autoregressive (AR) spectrum is presented. Firstly, the transient vibration signals during run-up condition of gearbox are re-sampled using order tracking technique. Therefore, the time domain transient signals are transformed into angle domain stationary signals. Then the AR model estimation is applied to angle domain...
The turbo-generator unit is very important equipments for electric power production, which has a high rate of fault and causes a lot of harm because of the structural complexity and the special circumstance. With the increasing of the capacity of the unit, the condition monitoring and fault diagnosis plays an important role to ensure safe operation and guarantee the efficiency. Therefore, the real-time...
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