NDLI: Pulse train controlled quadratic buck converter operating in discontinuous conduction mode

Content Provider	IET Digital Library
Author	Kumar, Kavitha Muppala Anbukumar, Kavitha
Abstract	Emerging technologies in the field of integrated circuits demand wider conversion ratios with a substantial reduction in size and weight. Quadratic buck converter is a popular choice for such an application which is investigated under voltage-mode pulse train control operating in discontinuous conduction mode. The combination of high-power control pulse P H and low-power control pulse P L in a control pulse repetition cycle which has a significant effect on the control performance of the system is studied. For a reliable design, a complete assessment of its dynamics under all possible operating conditions is essential for its safe operating horizons. Computer simulations are performed to capture the periodic transformation undergone due to border collision bifurcation. However, the stable periodic operation is examined with the supporting evidence of movement of eigenvalues from 2D discrete-time model and maximal Lyapunov exponent obtained using QR factorisation method for the variation in the input voltage and the load conditions. An experimental setup is also built to verify the system dynamics which are observed in simulations and analytical results.
Starting Page	486
Ending Page	496
Page Count	11
ISSN	1751858X
Volume Number	12
e-ISSN	17518598
Issue Number	Issue 4, Jul (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cds/12/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cds.2017.0194
Journal	IET Circuits, Devices & Systems
Publisher Date	2018-02-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	2D Discrete-time Model Bifurcation Collision Bifurcation Computer Simulations Control Performance Control Pulse Repetition Cycle Conversion Ratios Discontinuous Conduction Mode Eigen Values Eigen Values And Eigen Function High-power Control Pulse Input Voltage Variation Integrated Circuit Design Linear Algebra Load Condition Low-power Control Pulse Lyapunov Method Matrix Decomposition Maximal Lyapunov Exponent Numerical Analysis Power And Energy Control Power Control Power Converter Power Electronics Power Supply Pulse Train Controlled Quadratic Buck Converter QR Factorisation Method Safe Operating Horizons Stability in Control Theory Stable Periodic Operation Supervisory Circuit Voltage Control Voltage-mode Pulse Train Control
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering

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