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Distributed Safe Frequency Control for Networked Microgrids Using Control Barrier Functions
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DOI：10.1109/TSG.2026.3690336.png)
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Abstract
En 中文
In this letter, we consider the problem of keeping the system frequency of the off-grid networked microgrid system (NMG) within a safe set during the whole control process. The control problem is formulated as a state-dependent quadratic program using control barrier functions (CBFs). By introducing a set of auxiliary variables, the proposed controller can be implemented in a distributed manner while satisfying the same safety constraints at all times. Disturbance observers are also introduced in the control framework to eliminate the impact of external disturbances on safety guarantees established by CBFs.
Keywords:
Networked microgrid system
safe frequency control
distributed control
control barrier function
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