Event-Triggered Control for LPV Modeling of DC-DC Boost Converter

This brief presents the event-triggered control (ETC) for linear parameter varying (LPV) model of boost converters. We examine the nonlinear dynamics of boost converters in the LPV framework. The proposed controller is duty-ratio-dependent and provides better performance while requiring less computa...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2023-06, Vol.70 (6), p.2062-2066
Main Authors: Soni, Sandeep Kumar, Singh, Saumya, Singh, Kumar Abhishek, Xiong, Xiaogang, Saket, R. K., Sachan, Ankit
Format: Article
Language:English
Subjects:
Behavioral sciences
boost converter
Closed loop systems
ETC
Event triggered control
Liapunov functions
Linear matrix inequalities
Linear parameter-varying systems
Lower bounds
Lyapunov methods
Mathematical models
Nonlinear dynamical systems
Nonlinear dynamics
parameter dependent Lyapunov function
Parameters
Stability analysis
Switches
Voltage control
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Summary:This brief presents the event-triggered control (ETC) for linear parameter varying (LPV) model of boost converters. We examine the nonlinear dynamics of boost converters in the LPV framework. The proposed controller is duty-ratio-dependent and provides better performance while requiring less computation. Using the parameter-dependent Lyapunov function (PDLF), we demonstrate the stability analysis of the proposed approach. Furthermore, we demonstrate that the inter-event time is lower bound by a positive constant, which indicates Zeno behavior free performance. In comparison to earlier time-invariant synthesis techniques, the LPV formulation offers for increased robustness and performance properties. Simulation and experimental results validate the effectiveness of the proposed method.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2022.3230418