I don't understand the purpose of PID controller in this block, the role of PID controller is so weird.and the other thing if you change your reference speed the out remain the same..the speed only change with load torque. and you can not control it from changing the value of PID controller..so i think this model is OK for only certain values, not for all...can you explain plzz???
this model is proving to be very useful for my thesis. each individual block is very clear, but i am not yet clear on understanding the full system structure. on all other block diagrams of vector control that i have seen the model looks different.
Idq goes into a controller that produces Vdq. from that you get Vabc which goes into the PWM and inverter to produce Iabc. Iabc then goes to the motor and also gets looped back into the system (transforming back into Idq).
your model has correct math for each individual block, but i am having difficulty correlating your model to other vector control models.
would it be possible to explain how and why yours is different?