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Hub-Based Platoon F...
Hub-Based Platoon Formation : Optimal Release Policies and Approximate Solutions
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- Johansson, Alexander (författare)
- FOI Swedish Defence Research Agency, Stockholm, Sweden
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- Nekouei, Ehsan (författare)
- Department of Electrical Engineering, City University of Hong Kong, Hong Kong, Hong Kong
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- Sun, Xiaotong (författare)
- Thrust of Intelligent Transportation, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China
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- Johansson, Karl H., 1967- (författare)
- KTH,Reglerteknik,Integrated Transport Research Lab, ITRL
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- Mårtensson, Jonas, 1976- (författare)
- KTH,Integrated Transport Research Lab, ITRL,Reglerteknik
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(creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2024
- 2024
- Engelska.
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Ingår i: IEEE transactions on intelligent transportation systems (Print). - : Institute of Electrical and Electronics Engineers (IEEE). - 1524-9050 .- 1558-0016. ; 25:6, s. 5755-5766
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper studies the optimal hub-based platoon formation at hubs along a highway under decentralized, distributed, and centralized policies. Hubs are locations along highways where trucks can wait for other trucks to form platoons. A coordinator at each hub decides the departure time of trucks, and the released trucks from the hub will form platoons. The problem is cast as an optimization problem where the objective is to maximize the platooning reward. We first show that the optimal release policy in the decentralized case, where the hubs do not exchange information, is to release all trucks at the hub when the number of trucks exceeds a threshold computed by dynamic programming. We develop efficient approximate release policies for the dependent arrival case using this result. To study the value of information exchange among hubs on platoon formation, we next study the distributed and centralized platoon formation policies which require information exchange among hubs. To this end, we develop receding horizon solutions for the distributed and centralized platoon formation at hubs using the dynamic programming technique. Finally, we perform a simulation study over three hubs in northern Sweden. The profits of the decentralized policies are shown to be approximately $3.5\%$ lower than the distributed policy and $8\%$ lower than the centralized release policy. This observation suggests that decentralized policies are prominent solutions for hub-based platooning as they do not require information exchange among hubs and can achieve a similar performance compared with distributed and centralized policies.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Nyckelord
- cyber-physical systems
- Dynamic programming
- Information exchange
- optimal control
- Platoon coordination
- Random variables
- Roads
- Schedules
- simulation
- transport planning
- Urban areas
- Vehicles
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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