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Torque ripple reduction.

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(@pete_dl)
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I have an application that needs near silent operation. When experimenting with BLDC and FOC control, the cogging torque caused undesirable noise. I could swap to a coreless designs, but the motor efficiency drops significantly. I was hoping that switching to a small induction motor would eliminate the noise. However, I now realize that Induction motors have torque ripple, which also can add audible vibration into the shaft and support structure.

I have read that induction motor torque ripple reduction strategies have been published in the scientific literature. Have any of these schemes been implemented in controllers such as the Solo Motor’s ?

 

 

 
Posted : 06/11/2023 4:16 pm
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