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Figure 4.2 Result for flux linkage applying DTC and fuzzy logic with duty ratio.
In the analysis, the data in the table were used. The behavior of the flux of the motor using ordinary DTC and fuzzy logic with duty ratio control for a torque command of 2.4Wb with an output drive was updated at a rate of 5kHz were used, the flux ripple produced was 4.67Wb (18-13.33)Wb greater and lesser values with the ordinary DTC while in fuzzy logic with duty ratio control the ripple is minimized to 0.667Wb (2.4-1.733)Wb higher and lower values, assumed under shoot in the flux value at the starting point of each voltage sector were neglected.

Table 4.3 Data for position of the stator flux linkage.
ERROR IN THE POSITION OF FLUX LINKAGE WITH DTC ERROR IN THE POSITION OF FLUX LINKAGE WITH FUZZY TIME
0 0 0
3.3 0.9 1
2.2 0.06 2
2.5 0.07 3
2.45 0.0643 4

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Fig ure 43 Result for position of stator flux linkage using DTC and fuzzy logic with duty ratio.
In the analysis, the data in the table were used. The position where the stator flux linkage of the motor using ordinary DTC and fuzzy logic with duty ratio control respectively for a step angular command of 3.3 degree with the drive output updated at a rate of 5kHz were used, the position where the flux linkage ripple was reduced to 0.85degree (3.3-2.45) greater and lesser values with the ordinary DTC while in fuzzy logic with duty ratio control, the ripple was reduced to 0.857 degree (0.9-0.0643)degree greater and lesser values, assumed the under shoot in the flux value at the starting of each voltage sector. Were neglected.

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