CCS/TMS320F28069M: Rs online

Kwan Hyoung Lee

Intellectual 860 points

Part Number: TMS320F28069M
Other Parts Discussed in Thread: MOTORWARE

Tool/software: Code Composer Studio

I have DRV8301-HC-EVM Rev D_28069M Kit.

I use the motorware proj_lab12b.

I have a BLDC motor.(20poles = 10 pole pairs

when gMotorVars.Flag_Run_Identify is 1, I want to turn off the est_state_rs step.

In other words, if gMotorVars.Flag_Run_Identify is 1, I want est_state_idle to be est_state_online without rs state.

What should I do?

over 6 years ago

0 Yanming Luo over 6 years ago

TI__Guru** 117160 points

It's Rs Recalculation that is only enabled during startup, not Rs online calibration. It's not recommended to disable the Rs Recalculation that will be used to align the eQEP angle with the rotor angle. If no the alignment, the motor can't run well in all instaSPIN-motion projects.

Btw, you may set gMotorVars.Flag_enableRsRecalc to "false" that will disable Rs Recalculation.

0 Kwan Hyoung Lee over 6 years ago in reply to Yanming Luo

Intellectual 860 points

What is the function name of making the motor move slightly after gMotorVars.Flag_Run_Identify is to be 1?

0 Yanming Luo over 6 years ago in reply to Kwan Hyoung Lee

TI__Guru** 117160 points

You might find the code in main loop, call it before you set gMotorVars.Flag_Run_Identify to 1 and gMotorVars.Flag_enableRsRecalc to 0 if you wan to startup the motor.

// enable/disable Rs recalibration during motor startup
EST_setFlag_enableRsRecalc(obj->estHandle,gMotorVars.Flag_enableRsRecalc);

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CCS/TMS320F28069M: Rs online