TMS320F28027F: I want higher peak current on mi PMSM Motor on speed control to have a faster response. Also I can't achieve the target speed with the load(propeller) causing not be able to get more thrust.

Juan Eduardo Servin

Intellectual 260 points

Part Number: TMS320F28027F

I'm applying a Step of the maximun speed to see the response.

I tried change the USER_MOTOR_MAX_CURRENT but this not solved it.

I tried change The speed PID , acceleration and the current increases a little bit.

In the first tests I saw 30A in the rail and changing the speed PI I saw 35-37 in the rail. I want the double!!!!

Increasing USER_MOTOR_MAX_CURRENT I didn't saw any changes, until I increase like 3x the motor got unstable.

I'm working on lab05.

over 6 years ago

0 Ramesh Ramamoorthy over 6 years ago

TI__Mastermind 27240 points

Your query is fwd to the right expert, thanks for the patience

0 Juan Eduardo Servin over 6 years ago in reply to Ramesh Ramamoorthy

Intellectual 260 points

I will!. thanks Ramesh :)

0 Yanming Luo over 5 years ago in reply to Juan Eduardo Servin

TI__Guru** 115500 points

The USER_MOTOR_MAX_CURRENT depends on the h/w board and motor. You should make sure the scaling current (USER_ADC_FULL_SCALE_CURRENT_A) of h/w board has enough headroom and the dc-bus voltage is enough to output the current you want on the motor.

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TMS320F28027F: I want higher peak current on mi PMSM Motor on speed control to have a faster response. Also I can't achieve the target speed with the load(propeller) causing not be able to get more thrust.