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- W4315706668 abstract "Autonomous vehicles (AVs) enable more efficient and sustainable transportation systems. Ample studies have shown that controlling a small fraction of AVs can smooth traffic flow and mitigate traffic congestion. However, deploying AVs in real-world systems poses challenges due to safety and cost concerns. A viable alternative approach that can be implemented in the near future is $textit{coarse-grained guidance}$, where human drivers are guided by real-time instructions, updated every $Delta$ seconds, to stabilize the traffic. While previous theoretical studies consider stability analysis for continuous AV control, this article presents the first integrated theoretical analysis that directly relates the guidance provided to the human drivers to the traffic flow stability outcome. Casting the problem into the Lyapunov stability framework, this study derives sufficient conditions for coarse-grained guidance with hold length $Delta$ to stabilize the system, and provides extensions of the analysis to incorporate additional human driving behaviors such as magnitude error and reaction delay. Numerical simulations reveal that the theoretical analysis closely matches simulated results. The analysis further offers insights into the relationship between system parameter and stability criteria, and can be leveraged to design improved controllers with greater maximum hold length." @default.
- W4315706668 created "2023-01-12" @default.
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- W4315706668 date "2023-01-10" @default.
- W4315706668 modified "2023-10-14" @default.
- W4315706668 title "Integrated Analysis of Coarse-Grained Guidance for Traffic Flow Stability" @default.
- W4315706668 doi "https://doi.org/10.48550/arxiv.2301.04043" @default.
- W4315706668 hasPublicationYear "2023" @default.
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