NDLI: Model following average-current-mode control with 1/∛s compensator for interleaved boost converters with improved dynamic response

Content Provider	IET Digital Library
Author	Liu, He Zhang, Donglai
Abstract	This study presents a model following average-current-mode (MFACM) control using a 1/∛s compensator to improve robustness and dynamic response for multiphase boost converters. The proposed 1/∛s compensator can maintain a constant phase boost of about 60° over two decades, which is attractive from the point of view of stability design when phase margin, gain margin, delay margin and modulus margin are taken into consideration. In addition, the MFACM control is shown to elevate perturbation rejection ability of converters by reducing closed-loop output impedance and closed-loop audio susceptibility, relative to traditional average-current-mode control methods with the almost same crossover frequency. Computer simulations and experimental results using a three-phase interleaved boost converter are shown close agreement between modelled estimates and measured values.
Starting Page	1596
Ending Page	1608
Page Count	13
ISSN	17554535
Volume Number	10
e-ISSN	17554543
Issue Number	Issue 12, Oct (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/10/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2017.0070
Journal	IET Power Electronics
Publisher Date	2017-06-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Closed Loop System Closed-loop Audio Susceptibility Reduction Closed-loop Output Impedance Reduction Compensator Constant Phase Boost Control of Electric Power System Current Control Delay Margin Electric Current Control Gain Margin Improved Dynamic Response MFACM Control Model Following Average-current-mode Control Modulus Margin Multiphase Boost Converter Perturbation Rejection Phase Margin Power Converter Power Supplies to Apparatus Stability Stability Design Stability in Control Theory Three-phase Interleaved Boost Converter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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