Large-Scale Mixed Traffic Control Using Dynamic Vehicle Routing and Privacy-Preserving Crowdsourcing
IEEE INTERNET OF THINGS JOURNAL(2024)
摘要
Controlling and coordinating urban traffic flow through robot vehicles (RVs) is emerging as a novel transportation paradigm for the future. While this approach garners growing attention from researchers and practitioners, effectively managing and coordinating large-scale mixed traffic remains a challenge. We introduce an effective framework for large-scale mixed traffic control via privacy-preserving crowdsourcing and dynamic vehicle routing. Our framework consists of three modules: 1) a privacy-protecting crowdsensing method; 2) a graph propagation-based traffic forecasting method; and 3) a privacy-preserving route selection mechanism. We evaluate our framework using a real-world road network. The results show that our framework accurately forecasts traffic flow, efficiently mitigates network-wide RV shortage issue, and coordinates large-scale mixed traffic. Compared to other baseline methods, our framework not only reduces the RV shortage issue up to 69.4% but also reduces the average waiting time of all vehicles in the network up to 27%.
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关键词
Crowdsourcing,future mobility,mixed traffic control,multiagent reinforcement learning (RL),privacy
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