Microprocessor-Based Three-Phase Hysteresis Current Controller For AC Machine Drives

Quan, Voon Bing (2009) Microprocessor-Based Three-Phase Hysteresis Current Controller For AC Machine Drives. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The project is titled as “To devise and develop a hysteresis current controller for AC motor drives”. In this project, the embedded controller developed is based on 8-bit Atmel microprocessor-based. The current control method implemented in this project is hysteresis current control method. A hysteresis current controllers need to be developed and be complied in Atmel which is microprocessor-based in order to endow with a particular control signal for the AC motor drive. Instead to using assembly language to compile the controller algorithm, this controller will use C/C++ programming language and the Atmel development environment to develop the algorithm. The aspiration of the project is to devise and develop a laboratory scale functioning prototype in order to demonstrate the digital hysteresis current controller operation implemented in ATmega168 microcontroller for motor drives application. The 8-bit Atmel microprocessor-based hysteresis current controller is to generate Pulse Width Modulation (PWM) signals. The PWM signal generated is fed into the IGBT module of the VSI through parallel ports interfacing with three-phase hysteresis current controllers. The major hardware implementation in this project is an embedded microprocessor-based. This Atmel microprocessor-based is selected due to its specification features of high-performance, low power AVR 8-bit microcontroller, easy-to-used hardware and software system, low power consumption and high endurance non-volatile memory segments.

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