NDLI: Filter-based control of a buck converter for uncertain non-linear loads

Content Provider	IET Digital Library
Author	Bhagwat, Bhagyashri A. Alqatamin, Moath Hawkins, Nicholas McIntyre, Michael L.
Abstract	In this study, a filter-based control scheme is proposed for dc–dc buck-type converters. Primarily, this control scheme reduces costs by requiring only a single output voltage measurement, removing the need for potentially noisy current measurements. The proposed controller is compared with a Type III error amplifier, which is a linear controller commonly used for buck-type converters. The performance of these controllers is compared when applied to linear and non-linear loads. A Lyapunov stability analysis is utilised to demonstrate the system stability of the proposed control scheme. Experimental results demonstrate excellent voltage regulation and insensitivity to the load variations for the proposed controller as compared to Type III controller.
Starting Page	4051
Ending Page	4057
Page Count	7
ISSN	17554535
Volume Number	13
e-ISSN	17554543
Issue Number	Issue 17, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2020.0312
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/13/17
Journal	IET Power Electronics
Publisher Date	2020-12-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Buck Converter Control of Electric Power System Control System Analysis Control System Synthesis DC-DC Power Converter Dc–dc Buck-type Converters Excellent Voltage Regulation Filter-based Control Scheme Insensitivity Linear Controller Load Variation Lyapunov Method Nonlinear Control System Nonlinear Load Potentially Noisy Current Measurement Power Converter Power Electronics Power Supplies to Apparatus Power Supply Single Output Voltage Measurement Stability Stability in Control Theory Supervisory Circuit Synthesis Method Type III Controller Type III Error Amplifier Uncertain System Voltage Control Voltage Regulators
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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