DSP Based fuzzy logic Speed Control of Permanent Magnet Synchronous Motor
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Date
2017-12
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Addis Ababa University
Abstract
In this thesis works, fuzzy logic controller is designed for PMSM in order to control the desired
reference speed with robustness. Proportional, Integral (PI) controllers are also designed for direct
and quadrature components of the current in order to control the flux and torque. The performance
of the proposed fuzzy logic controller (FLC) for SMPMSM drive has to be simulated in
MATLAB/SIMULINK environment.
The FLC operation has been verified by simulation on MATLAB/SIMULINK and the open loop
experimental investigation is implemented using Texas Instrument, Piccolo TMS320F28035
control card on general purpose PMSM. From performance comparison simulation results of
sudden load change and step change in speed reference, overshoot is improved from 3.5% to 1%
and 5% to 3% respectively using proposed FL controller. Using FL speed controller maximum
steady state error of 0.04 rad/s at time of 0.1 sec has been achieved. These demonstrate that the
performance of proposed controller is better than that of convectional PI controller.
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Keywords
PMSM, Fuzzy logic controller, PI Controller, FOC, TMS320 F28035 DSP