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Related Experiment Video

Updated: Jun 17, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Event-Triggered Control for Safety-Critical Buck DC-DC Converters Using Robust Barrier Lyapunov Functions.

Xiao-Lin Cheng, Kun-Zhi Liu, Yi Dong

IEEE Transactions on Cybernetics

|June 15, 2026

Summary

This study introduces a novel robust barrier Lyapunov function (RBLF) with a dynamic safety boundary (DSB) for DC-DC converters. This event-triggered control strategy ensures stable voltage regulation and reduces control updates while preventing singularities.

Related Experiment Videos

Last Updated: Jun 17, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Area of Science:

Electrical Engineering
Control Systems Theory
Power Electronics

Background:

Conventional barrier Lyapunov functions (BLFs) struggle with transient constraint violations and control singularities.
External disturbances and abrupt reference changes challenge existing voltage regulation strategies for DC-DC converters.

Purpose of the Study:

To develop a robust event-triggered voltage regulation strategy for DC-DC converters that overcomes limitations of conventional BLFs.
To enhance system safety, prevent control singularities, and improve resource efficiency through adaptive control boundaries.

Main Methods:

Integration of a novel robust barrier Lyapunov function (RBLF) with a dynamic safety boundary (DSB).
Development of an event-triggered controller within the backstepping framework, addressing virtual control law discontinuities.
Theoretical analysis confirming signal boundedness, uniform ultimate boundedness (UUB), and Zeno-free operation.

Main Results:

The proposed RBLF-based controller effectively manages large state deviations and guides the system within safe boundaries.
Demonstrated prevention of control singularities and achievement of resilient safety.
Experimental validation showing stable voltage regulation, robust performance under disturbances, and significant reduction in control updates.

Conclusions:

The novel event-triggered control strategy offers robust and efficient voltage regulation for DC-DC converters.
The dynamic safety boundary and RBLF effectively enhance system stability and prevent singularities.
This approach significantly reduces control updates, leading to improved resource efficiency.