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Voltage source inverter (VSI) fed induction motors are widely used in variable speed applications. Space Vector Pulse Width Modulation (SVPWM) has become the successful techniques to construct three phase sine wave Voltage Source Inverter (VSI) parallel to control three-phase induction motor using v/f control. Because of the low maintenance and robustness induction motors have many applications in...
To analyze the steady state equivalent circuit model of an induction motor to establish the equation that justify the use of a constant V/f speed control of open loop and closed loop control. The main objective is to maintain the speed at fixed reference. To investigate the control schemes for controlling induction machine, particularly the scalar control and vector control method and to evaluate...
Stepper motor is widely used as controlling and driving machine in opening loop controlling system. As high speed moving, stepper motor must have rising and falling process avoiding losing step and over step. In this paper, based on analyzing and comparing some controlling graph, it gives a LabVIEW-based stepper motor control method and the composition of the control system, and making the soft controlling...
The mathematical model of linear induction motor (LIM) based on slip frequency type vector control system is established. A self-adjusting fuzzy controller (SAFC) is designed as magnetic thrust adjuster of the motor. The speed of the motor is adjusted by control magnetic thrust of the motor. The scheme of the slip frequency type vector control system of the LIM is obtained by observing the magnetic...
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