Dtc method analysis in application of pressure and flow control in hydraulic system
Problems with controlling the torque of induction motor, considering the use of this drive in order to control the hydraulic drive power unit parameters (with constant displacement pump). In analyzed system, a Direct Torque Control method (DTC) and fuzzy PI type controller were used. Inverter-fed drive system with 2,2 kW ac motor was subjected to laboratory tests.
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