2024 journal article
Privacy-Preserving Robust Consensus for Distributed Microgrid Control Applications
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 71(4), 3684–3697.
author keywords: Distributed microgrid control; privacy-preserving; robust consensus; state decomposition
TL;DR:
A privacy-preserving distributed average observer is proposed that is based on robust consensus and uses the state decomposition method to preserve privacy and is thus applicable for MG distributed control applications.
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UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: December 11, 2023
Consensus-based distributed control has been proposed for coordinating distributed energy resources (DERs) in microgrids (MGs). As one key component, distributed average observers are used to estimate the average of a group of reference signals (e.g., voltage, current, or power). State-of-the-art distributed average observers could lead to loss of privacy due to information exchange on the communication channels. The DERs' reference signals, which contain private information, could be inferred by an eavesdropper. In this article, a privacy-preserving distributed average observer is proposed that is based on robust consensus and uses the state decomposition method to preserve privacy. Compared to the existing methods, the proposed observer does not require the knowledge of the reference signal's derivative and gives accurate and smooth estimation, and is thus applicable for MG distributed control applications. A detailed analysis regarding the convergence and privacy properties of the proposed observer is presented. The proposed observer is implemented on hardware controllers and validated in the context of distributed MG control applications through hardware-in-the-loop (HIL) tests.