期刊
AUTOMATICA
卷 93, 期 -, 页码 244-256出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2018.03.056
关键词
Connected and automated vehicles; Decentralized optimal control; Autonomous intersections; Traffic flow; Motion planning; Energy usage; Safety
资金
- US Department of Energy's (DOE) SMART Mobility Initiative
- NSF [CNS-1239021, ECCS-1509084, CNS-1645681, IIP-1430145]
- AFOSR [FA9550-15-1-0471]
- MathWorks
- Bosch
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1509084] Funding Source: National Science Foundation
We address the problem of optimally controlling connected and automated vehicles (CAVs) crossing an urban intersection without any explicit traffic signaling, so as to minimize energy consumption subject to a throughput maximization requirement. We show that the solution of the throughput maximization problem depends only on the hard safety constraints imposed on CAVs and its structure enables a decentralized optimal control problem formulation for energy minimization. We present a complete analytical solution of these decentralized problems and derive conditions under which feasible solutions satisfying all safety constraints always exist. The effectiveness of the proposed solution is illustrated through simulation which shows substantial dual benefits of the proposed decentralized framework by allowing CAVs to conserve momentum and fuel while also improving travel time. (C) 2018 Elsevier Ltd. All rights reserved.
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