How to compute torque on a brushless with sensor

User: "Ciro Alosa_22608"
New Altair Community Member
Updated by unknown

Hi everyone,

 

how can I compute torque on a brushless motor with a sensor?

 

I'd want to export the model to Simulink and I need the torque. Are there any other possibilities?

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    User: "asoualmi"
    Altair Employee
    Updated by asoualmi

    Hi,

    To compute the torque in Flux using a sensor you need to create a sensor. To do it:

    • In parameter/quantity j, create a new sensor
    • Type of sensor: predefined, magnetic torque
    • Rotation axis:    
      • Direction: parallel to oz
      • Pivot point (0,0)
    • Computation domain: select a face region.

    Other way to compute the torque is to draw a 2D curve of torque. To do it:

    • Curve
    • 2D curve (I/O parameter) >> new >> mechanical set >> select electromagnetic torque

    To use this data in Simulink, you can export this curve as txt file. In you Simulink model you can use a look up table to read this txt file.

     

    Hope this will help.

    Best regards.