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A Comparison Between the GPI and PID Controllers for the Stabilization of a DC–DC “Buck” Converter: A Field Programmable Gate Array Implementation | IEEE Journals & Magazine | IEEE Xplore

A Comparison Between the GPI and PID Controllers for the Stabilization of a DC–DC “Buck” Converter: A Field Programmable Gate Array Implementation


Abstract:

This paper presents a comparison between two stabilizing average output feedback controllers implemented on a field programmable gate array (FPGA) facility. A generalized...Show More

Abstract:

This paper presents a comparison between two stabilizing average output feedback controllers implemented on a field programmable gate array (FPGA) facility. A generalized proportional integral (GPI) controller and a proportional integral derivative (PID) controller are implemented using an FPGA, and their respective performances are duly compared. The GPI controller is found to present a better dynamic response than the PID controller in terms of the settling time while exhibiting a greater degree of robustness regarding disturbance rejection represented by severe changes in static and dynamic loads. The average controllers and their corresponding pulsewidth modulation actuators are implemented using a Spartan 3E1600 FPGA.
Published in: IEEE Transactions on Industrial Electronics ( Volume: 58, Issue: 11, November 2011)
Page(s): 5251 - 5262
Date of Publication: 07 March 2011

ISSN Information:


I. Introduction

Many industrial applications of voltage regulation are accomplished via dc–dc power converters. For example, uninterruptible power supplies [1] are used in dc motor drivers for electric traction on trolleys [2]. Lighting systems using electronic ballasts also benefit from the use of such devices [3]. Today, switching devices are currently available, exhibiting high switching speeds and high power-handling capabilities. It is possible nowadays to design low cost, light weight, small size, and switched-mode power supplies with efficiencies beyond 90% [4]–[7]. The classic power converter topologies used are, generally speaking, “ buck,” boost, and buck–boost.

References

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