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Hassan Ali
Hassan Ali
Last activity on 25 May 2024

PMSM FOC

Hello everyone.
I have modelled a three phase inverter to run a 5Kw PMSM motor (MATLAB preparametrized). The torque load is applied through ideal torque source and step junction, and the speed of the motor is visualized. When I provide the gate signal only through SPWM generator (No control, only SPWM signal generation through carrier and sine wave comparison),
  • The speed stabilizes around 62 rad/sec after some initial oscillations, but when I try to run the same model using PMSM field oriented control block set, the speed is negative (negative rotation) and it keeps on increasing eventhough the speed reference provided is only upto 60. The waveform of both speed and torque has been attached hereby.
  • Moreover, is there anyway to tune the PI controllers (inner and outer loops) of PMSM Field oriented blockset automatically.
  • It can be seen from the torque waveform, there is soemkind of disturbance around 0.4-0.45 sec, which creates too much noise in current, torque waveforms. What could be the reason behind this.
Your help would be highly appreciated.
Thank you.
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We've been hearing from more and more customers who are interested in using Xilinx's new Zynq UltraScale+ devices in power electronics control applications. The attraction appears to be the dual-core ARM Cortex-R5 processors, which are well suited to hard real time applications. Are you looking at Zynq UltraScale+ MPSoCs as a platform for power electronics control? If so, we'd love to hear from you as we look at support for these devices.

In the meantime, MathWorks offers a reference design example for FOC motor control on Zynq-7000 devices that many customers have used as a basis for developing Simulink models for C and HDL code generation.

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