SPEED SENSORLESS DIRECT TORQUE CONTROL OF INDUCTION MOTOR DRIVE | ||||
| ERJ. Engineering Research Journal | ||||
| Article 6, Volume 23, Issue 4, October 2000, Page 71-87 PDF (404.09 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erjm.2000.71222 | ||||
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| Author | ||||
| E. E. El-Kholy | ||||
| Electrical Engineering Department, Faculty of Engineering, Shebin El-kom, Minoufiya University, Egypt. | ||||
| Abstract | ||||
| A torque and speed control system for pulse width modulated inverter fed induction motor without speed sensor is proposed. The system is implemented by adding a speed calculation algorithm to the direct torque control (DTC) technique, based on the instantaneous space vector control theory. These control strategies guarantee very good dynamic and steady state characteristics, with low sampling time and constant switching frequency. A laboratory control unit with Digital Signal Processor (DSP) scheme is presented. A simulation and experimental results are presented and they agree very well. | ||||
| Keywords | ||||
| Speed Sensorless; Direct Torque Control (DTC); Induction Motor Drives; Space Vector Modulation (SVM); Pulse Width Modulation (PWM); Model Reference Adaptive System (MMS) | ||||
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