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Title: A Multiagent Deep Reinforcement Learning-Enabled Dual-Branch Damping Controller for Multimode Oscillation

Journal Article · · IEEE Transactions on Control Systems Technology

Here, this study develops a multiagent deep reinforcement learning (MADRL)-enabled framework for the decentralized cooperative control of a novel dual-branch (DB) damping controller for both low-frequency oscillation (LFO) and ultralow-frequency oscillation (ULFO). It has two branches, each of which consists of a proportional resonance (PR) and a second-order polynomial that is designed to handle target oscillation modes. To improve the robustness of the controller to system uncertainties, MADRL is developed, where multiagents are centrally trained to obtain the coordinated adaptive control policy while being executed in a decentralized manner to provide the optimal parameter setting for each controller with only local states. Comparisons with the IEEE 10-machine 39-bus system demonstrate that the proposed method achieves better robustness to uncertainties, lower communication delay, and single-point failure, as well as damping control performances for both LFO and ULFO.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); National Key Research and Development Program of China
Grant/Contract Number:
AC52-07NA27344; 2018YFE0127600
OSTI ID:
1893590
Report Number(s):
LLNL-JRNL-835974; 1055187
Journal Information:
IEEE Transactions on Control Systems Technology, Vol. N/A, Issue N/A; ISSN 1063-6536
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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