Phase-shift DC-DC converters' digital control, control hardware in the loop and hardware real time simulation study.

摘要

The backbone of simulation is nothing but mathematical equations from simple linearization method to solving complex differential equations. Although simulating a real system with realistic outcomes is a hard task to come by but minimizing the amount of rework required after design makes it a very desirable method to see results before building a device.;The scope of this thesis paper is to bring to the light the concept of simulating power electronics devices purely in form of equations to reduce the cost of development, to speed up the time to market of the product and to establish design benchmarks to guide the designer to the right direction.;The thesis topic started as a simple application of converting an analog-based control of DC-DC converter to a DSP-based digital control, but it quickly developed into control hardware in the loop project. This shows how powerful and effective a DSP-based simulation can perform. This and a demand from the application engineering perspective made the author to explore different methods that can be even more effective.;As the author researched around the idea, he realized there has been some work done in the past but nothing to the effect of utilizing a DSP to simulate DC-DC converters. Therefore the last part of this thesis is to study feasibility of utilizing DSP as a real time simulator of power electronics devices especially high frequency DC-DC converters.;Although the results on the last part of the project are not definitive but there are very strong signs showing that in the future there is very strong potential of DSP-based real time simulation for power electronics devices.;This along other advantages that real time simulation can bring about such as, speed of simulation in opposed to a slow, off-line, and computer-based simulation, significant cost reduction, portability, and creating a guided-design are a few advantages to name.