Networked Traffic Signal Control (NTSC) has become an essential component in Intelligent Transportation Systems (ITS). To satisfy both scale and coordination challenging requirements for large-scale networked traffic signal control, this paper proposes a Communication-Qmix (CQmix) approach based on Qmix and Long Short-Term Memory (LSTM) communication module correspondingly. Firstly, we apply Qmix as the foundation for balancing large-scale and effective optimization, benefiting from its centralized-training and decentralized-execution mechanism. Then a communication module based on LSTM is implemented for effective global coordination. Further, random origin-destination demands (ODs) about different maximum traffic flows and occurrence times are performed to adapt the actual traffic flow pattern in practice. We conduct experiments on both synthetic and complicated real Zhongguancun road networks, and the proposed CQmix demonstrates its superiority over the baseline methods.


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    Title :

    A Collaborative Communication-Qmix Approach for Large-scale Networked Traffic Signal Control


    Contributors:
    Chen, Xiaoyu (author) / Xiong, Gang (author) / Lv, Yisheng (author) / Chen, Yuanyuan (author) / Song, Bing (author) / Wang, Fei-Yue (author)


    Publication date :

    2021-09-19


    Size :

    1268752 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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