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roar · 2022-12-15

Below is a copy of a warning found within the PID-controller of MC-SDK 5.Y.4.We have a Cortext-M4 based board so I guess the warning text is a copy-paste and I should not care that it mentions Cortex-M3.. /* WARNING: the below instruction is not M...

roar · 2022-12-05

Custom board with STM32G474QE and MCSDK 5.Y.4Hi, we have a 5 pole pair PMSM which is running at 800VDC consuming ~36Amps at 1800rpm during testing in water. We run it in speed mode, which results in a Torque Ref of >21400 read in MotorPilot(~72Amps) ...

roar · 2022-04-04

Hi, I am using the P-NUCLEO-IHM03 STM32 motor-control pack along with a AMS AS5147U rotary sensor for speed control with Hall-effect. The rotary sensor needs to be calibrated by setting a zero angle aligment. This is done by disconnecting the motor f...

roar · 2023-08-24

For anyone else struggeling with something similar, we solved it by "Virtualizing" the angle read from the rotary sensor.First of all, we have hijacked the function, which is used in the FOC loopweak int16_t HALL_CalcElAngle(HALL_Handle_t *pHandle) I...

roar · 2023-01-01

Thanks for the reply. No, we have not enabled flux-weakening. The B-EMF Constant of our motor is 179.5Vrms/krpm, and at 1800rpm this results to 456V, so we should be in the clear here. Please let me know if there is something wrong with my assumption...

roar · 2022-12-15

Thanks for the reply.Never inspected a listing file, but did my best.First, found the STM32 Cortext-M4 Programming Manual (PM0214) and looked up Arithmetic Shift Right in the Instruction Set table (Table 21). Further read the reference chapter for th...

roar · 2022-12-07

Here is a screenshot of Ia and Ib when we have VBUS 600V, 1800rpm. Just to be clear; the Overcurrent fault is not what we worry about, in fact, it is probably what is protecting our system. The small dips and inconsistencies in right before the peak...

roar · 2022-12-06

Thanks for the reply. I failed to mention that we use Hall sensor for speed measurement, not sensorless operation. I will try to look at Circle Limitation if there is something that we can do there. Although I was kind of expecting one of the PID reg...

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How can we check that the compiler use ASR and not LSR?

Overcurrent occurs after unkown incident when pushing motor to max.

Force PWM signals to lock the rotor in fixed position

Re: Force PWM signals to lock the rotor in fixed position

Re: Overcurrent occurs after unkown incident when pushing motor to max.

Re: How can we check that the compiler use ASR and not LSR?

Re: Overcurrent occurs after unkown incident when pushing motor to max.

Re: Overcurrent occurs after unkown incident when pushing motor to max.