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Help with FOC/PID parameter

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CTSchorsch
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Help with FOC/PID parameter

Hi all,

i have some problems with a 3KW BLDC in my underwater scooter. at the moment the motor is not very efficient. i have maximum current and very poor speed, and the motor gets hot.

one problem may be wrong parameters for FOC or PID (the other problem is the propeller i think :) )

the motor is configured in FOC mode (with wizzard) and controlled by a custom app by setting duty cycle. which parameters have influence of the motor power ? speed tracker ki/kp or under PID controller kp,ki,kd ? i hope that there is some controller oscillation with is the reason for my bad efficiency

Thanks

Georg