CCS/MOTORWARE: Lab 7, Rs Online Recalibration

Jinan

Part Number: MOTORWARE

Tool/software: Code Composer Studio

Hallo,

I have a question regarding lab7, when enabling Rs online recalibration a new varying Id reference will be generated to recalibrate Rs.

How could Id recalibrate Rs ?? and what is Rs current that we are increasing? (from where the initial number of Rs current came from ?)

over 6 years ago

0 Yanming Luo over 6 years ago

TI__Guru** 116920 points

Calling runRsOnLine() that will enable the Rs online calibration, and you may change EST_setFlag_enableRsOnLine(obj->estHandle,true); to EST_setFlag_enableRsOnLine(obj->estHandle,false); in this fucntion if you want to disable Rs online calibration

The current for Rs online calibratio is set in gMotorVars.RsOnLineCurrent_A variable.

0 Jinan over 6 years ago in reply to Yanming Luo

Intellectual 480 points

what is Rs online current in FOC? and how Id has an effect in calibrating Rs ?

0 Yanming Luo over 6 years ago in reply to Jinan

TI__Guru** 116920 points

The default value is USER_MOTOR_RES_EST_CURRENT which is injected on the d-axis current. You might have a look at chapter 15 of InstaSPIN-FOC and InstaSPIN-MOTION User's Guide (Rev. H) that has a more detailed description of this.

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CCS/MOTORWARE: Lab 7, Rs Online Recalibration