Dsp Based Fuzzy Logic Speed Control Of Permanent Magnet Synchronous Motor

In this thesis works, fuzzy logic controller is designed for PMSM in order to control the desiredrnreference speed with robustness. Proportional, Integral (PI) controllers are also designed for directrnand quadrature components of the current in order to control the flux and torque. The performancernof the proposed fuzzy logic controller (FLC) for SMPMSM drive has to be simulated inrnMATLAB/SIMULINK environment.rnThe FLC operation has been verified by simulation on MATLAB/SIMULINK and the open looprnexperimental investigation is implemented using Texas Instrument, Piccolo TMS320F28035rncontrol card on general purpose PMSM. From performance comparison simulation results ofrnsudden load change and step change in speed reference, overshoot is improved from 3.5% to 1%rnand 5% to 3% respectively using proposed FL controller. Using FL speed controller maximumrnsteady state error of 0.04 rad/s at time of 0.1 sec has been achieved. These demonstrate that thernperformance of proposed controller is better than that of convectional PI controller.

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