Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 4

DESIGN AND IMPLEMENTATION OF ARM CORTEX-M4 PROCESSOR BASED CLOSED LOOP CONTROL OF THREE PHASE INDUCTION MOTOR

Authors:
RAJAN.V.R
K. SELVI
Domain:
building electrification
Abstract:
This article presents the design and implementation of open-loop and closed-loop control of a three phase induction motor using an ARM Cortex-M4 processor. This implementation includes proportional-integral (PI) control logic and sinusoidal pulse width modulation (SPWM) technique. The high processing speed of the ARM Cortex processor family permits the use of highly developed control to construct a high-precision control system. The design of the controller structure is achieved using a committed digital-based voltage/frequency (V/Hz) control scheme processor, specifically created for a motor that transform three-phase motor speed into control. This structure is composed of faster voltage/frequency control and generation of SPWM, which helps out to trigger the three-phase two-level inverter effectively. The calculation of frequency and voltage generated in the voltage source inverter will show its reliability and efficiency. The experimental authentication is carried out by open-loop and closed-loop volts per hertz control (V/f) technique. A graphical user interface screen is designed in MATLAB to set a reference speed as an input to the processor and monitor the real time performances through Ethernet connectivity. The electrical energy is used economically by adopting this implementation technique.
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