NDLI: Dynamic behaviours of constant on-time one-cycle controlled boost converter

Content Provider	IET Digital Library
Author	Hu, Wei Zhang, Bo Yang, Ru Qiu, Dongyuan
Abstract	In this study, the discrete-time model is used to analyse a constant on-time one-cycle controlled boost converter operating in continuous conduction mode. Then, it derives the critical boundary between continuous conduction mode and discontinuous conduction mode. In terms of Newton–Raphson methodology, the numerical solutions of fixed points are obtained. Thereafter, the stability of closed-loop boost converter is analysed based on its Jacobian matrix. It remarks that a couple of conjugate multipliers of Jacobian matrix of the system cross the unit circle gradually with constant on-time value increasing, while the step-up power stage moves from period-1 state into Neimark–Sacker bifurcation. Based on the stability analysis, an additional current loop is developed to improve the control for extending the stable region. Finally, simulation and experimental results well validate the theoretical analysis.
Starting Page	160
Ending Page	167
Page Count	8
ISSN	17554535
Volume Number	11
e-ISSN	17554543
Issue Number	Issue 1, Jan (2018)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/11/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2016.1013
Journal	IET Power Electronics
Publisher Date	2017-09-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bifurcation Chaotic Behaviour in Circuit Closed-loop Boost Converter Stability Conjugate Multipliers Constant On-time One-cycle Boost Converter Controlled Boost Converter DC-DC Power Converter Discontinuous Conduction Mode Discrete Time System Discrete-time Model Dynamic Behaviours Interpolation And Function Approximation Jacobian Matrix Linear Algebra Neimark-Sacker Bifurcation Newton-Raphson Method Newton-Raphson Methodology Numerical Analysis Power Electronics Power Supply Supervisory Circuit
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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