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Closed Loop Controller Implementation for Power Electronic Converters in DSP TMS320F28335
June 19 @ 10:00 am - 1:00 pm
Co-sponsored by: IAS Student Branch Concordia
For closed loop control of various power converters, the sensing of various feedback signals, processing them and utilizing them for implementation of controller is required. Often this is done using a micro-controller, where the classic analog controller designed for the application can be converted into a digital IIR filter and implemented in form of difference equations. Texas Instruments micro-controllers are used extensively for this purpose. This talk will primarily focus on getting started with one of such TI chips, TMS320F28335. A lot of content would be extendable to other chips of TMS320F family as well. The IDE suggested is Code Composer Studio which has also been provided by Texas Instruments. The basic procedure for powering up a controller, loading a program and getting simple operations done, will be discussed first. Later, the 3 most commonly used modules which are enough for most cases, for a general power converter development, will be covered. They are the ADC module used for feedback sensing, the PWM module used to drive the converter switches and the SCI module which is used for monitoring various parameters or giving inputs externally. If time permits, there will also be a discussion of using the TI libraries/macros for implementing IIR controllers.
Speaker(s): Ashutoshkumar Choubey ,
Room: EV 5.251
Bldg: EV Building