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Balancing Bus Punctuality and Heterogeneous Flow Stability Under a Connected Environment

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Titel: Balancing Bus Punctuality and Heterogeneous Flow Stability Under a Connected Environment
Autoren: Wang, Lichao, Zhou, Ziyi, Cui, Shaohua, 1995
Quelle: Osäkerhetsmedveten och säkerhetsförbättrad hantering av CAV för säkrare blandad trafik Automotive Innovation. 8(3):724-738
Schlagwörter: Optimized control, Heterogeneous flow stability, Bus punctuality, Addiction, Harm reduction, Ibogaine, Connected environment, Risk mitigation, Patient activism, Medical subculture
Beschreibung: Previous studies on the collaborative control of signals and vehicles—including both connected autonomous vehicles and connected autonomous buses (CABs)—in networked intersections predominantly emphasized enhancing the stability of heterogeneous flows to augment intersection efficiency. However, these studies often overlooked the crucial criterion of CAB punctuality. Addressing this significant gap, the present paper introduces a CAB travel time estimation model and a punctuality evaluation index into optimization problems to ensure the adherence to bus schedules. A mixed integer linear programming model, incorporating binary signal state variables, is established with the goals of heterogeneous platoon operation stability, bus arrival punctuality, and intersection efficiency. To ensure efficient model resolution, binary auxiliary logic variables are employed to linearize the relationship between signal transitions and the operational state of the heterogeneous flow. An evaluation is conducted using a standard four-arm intersection, wherein parameters like CAB proportions and overall traffic volume are varied for comprehensive testing. Simulation outcomes compellingly show that the proposed approach markedly improves CAB punctuality and diminishes energy consumption by enhancing heterogeneous flow stability. Specifically, there is an average increase of 22.3% in punctuality and a reduction of at least 15.1% in energy consumption.
Zugangs-URL: https://research.chalmers.se/publication/547274
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  Group: Ti
  Data: Balancing Bus Punctuality and Heterogeneous Flow Stability Under a Connected Environment
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Lichao%22">Wang, Lichao</searchLink><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Ziyi%22">Zhou, Ziyi</searchLink><br /><searchLink fieldCode="AR" term="%22Cui%2C+Shaohua%22">Cui, Shaohua</searchLink>, 1995
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  Label: Source
  Group: Src
  Data: <i>Osäkerhetsmedveten och säkerhetsförbättrad hantering av CAV för säkrare blandad trafik Automotive Innovation</i>. 8(3):724-738
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Optimized+control%22">Optimized control</searchLink><br /><searchLink fieldCode="DE" term="%22Heterogeneous+flow+stability%22">Heterogeneous flow stability</searchLink><br /><searchLink fieldCode="DE" term="%22Bus+punctuality%22">Bus punctuality</searchLink><br /><searchLink fieldCode="DE" term="%22Addiction%22">Addiction</searchLink><br /><searchLink fieldCode="DE" term="%22Harm+reduction%22">Harm reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Ibogaine%22">Ibogaine</searchLink><br /><searchLink fieldCode="DE" term="%22Connected+environment%22">Connected environment</searchLink><br /><searchLink fieldCode="DE" term="%22Risk+mitigation%22">Risk mitigation</searchLink><br /><searchLink fieldCode="DE" term="%22Patient+activism%22">Patient activism</searchLink><br /><searchLink fieldCode="DE" term="%22Medical+subculture%22">Medical subculture</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Previous studies on the collaborative control of signals and vehicles—including both connected autonomous vehicles and connected autonomous buses (CABs)—in networked intersections predominantly emphasized enhancing the stability of heterogeneous flows to augment intersection efficiency. However, these studies often overlooked the crucial criterion of CAB punctuality. Addressing this significant gap, the present paper introduces a CAB travel time estimation model and a punctuality evaluation index into optimization problems to ensure the adherence to bus schedules. A mixed integer linear programming model, incorporating binary signal state variables, is established with the goals of heterogeneous platoon operation stability, bus arrival punctuality, and intersection efficiency. To ensure efficient model resolution, binary auxiliary logic variables are employed to linearize the relationship between signal transitions and the operational state of the heterogeneous flow. An evaluation is conducted using a standard four-arm intersection, wherein parameters like CAB proportions and overall traffic volume are varied for comprehensive testing. Simulation outcomes compellingly show that the proposed approach markedly improves CAB punctuality and diminishes energy consumption by enhancing heterogeneous flow stability. Specifically, there is an average increase of 22.3% in punctuality and a reduction of at least 15.1% in energy consumption.
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        Value: 10.1007/s42154-024-00338-4
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      – Text: English
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      – SubjectFull: Optimized control
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      – SubjectFull: Heterogeneous flow stability
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      – SubjectFull: Bus punctuality
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            NameFull: Wang, Lichao
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            NameFull: Zhou, Ziyi
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              M: 01
              Type: published
              Y: 2025
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