Publication Type
Journal Article
Version
publishedVersion
Publication Date
10-2022
Abstract
Electricity demands are increasing significantly and the traditional power grid system is facing huge challenges. As the desired next-generation power grid system, smart grid can provide secure and reliable power generation, and consumption, and can also realize the system’s coordinated and intelligent power distribution. Coordinating grid power distribution usually requires mutual communication between power distributors to accomplish coordination. However, the power network is complex, the network nodes are far apart, and the communication bandwidth is often expensive. Therefore, how to reduce the communication bandwidth in the cooperative power distribution process task is crucially important. One way to tackle this problem is to build mechanisms to selectively send out communications, which allow distributors to send information at certain moments and key states. The distributors in the power grid are modeled as reinforcement learning agents, and the communication bandwidth in the power grid can be reduced by optimizing the communication frequency between agents. Therefore, in this paper, we propose a model for deciding whether to communicate based on the causal inference method, Causal Inference Communication Model (CICM). CICM regards whether to communicate as a binary intervention variable, and determines which intervention is more effective by estimating the individual treatment effect (ITE). It offers the optimal communication strategy about whether to send information while ensuring task completion. This method effectively reduces the communication frequency between grid distributors, and at the same time maximizes the power distribution effect. In addition, we test the method in StarCraft II and 3D environment habitation experiments, which fully proves the effectiveness of the method.
Keywords
smart grid, deep reinforcement learning, cooperative agents, communication, causal model, estimating ITE, variational auto-encoder
Discipline
Artificial Intelligence and Robotics | Numerical Analysis and Scientific Computing | Operations Research, Systems Engineering and Industrial Engineering
Publication
Sensors
Volume
22
First Page
1
Last Page
24
ISSN
1424-8220
Identifier
10.3390/s22207785
Publisher
MDPI
Embargo Period
7-1-2026
Citation
ZHANG, Xianjie; LIU, Yu; LI, Wenjun; and GONG, Chen.
Pruning the Communication Bandwidth between Reinforcement Learning Agents through Causal Inference: An Innovative Approach to Designing a Smart Grid Power System. (2022). Sensors. 22, 1-24.
Available at: https://ink.library.smu.edu.sg/sis_research/11114
Copyright Owner and License
Authors
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.
Additional URL
https://doi.org/10.3390/s22207785
Included in
Artificial Intelligence and Robotics Commons, Numerical Analysis and Scientific Computing Commons, Operations Research, Systems Engineering and Industrial Engineering Commons