direct torque control

[shady mamdouh]

hello

I work in DirecT Torque Control technique for ac motor control and I use the inverter 8 basic voltage vectors (no Space vector or PWM used), Can I use Digital outputs for the inverter pulses or PWM outputs from my f28335 dsp?

I also need to add some interrupts for start of ADC converters and Iam not sure about Its necessity in my control scheme but I know that it is very important in FOC

Thanks

 

[D.A.(Tony)Stewart]

It would be advisable to have a block diagram and a transfer function of each stage including motor torque and inertial mass. Then you can decide on desired step response for torque vs acceleration and velocity. Your feedback and control ramp profile is essential to a well controlled system.

Much more is needed to determine loop stability, ADC resolution, accuracy, and real-time control parameters with latency.