Control design for stable connected cruise control systems to enhance safety and traffic efficiency. Issue 8 (19th July 2018)

• Record Type: Journal Article
• Authors: Qin, Yanyan; Wang, Hao; Ran, Bin
• Is Part Of: IET intelligent transport systems. Volume 12:Issue 8(2018)
• Page Start: 921
• Page End: 930
• Publication Date: 2018-07-19
• Subjects: stability -- road traffic control -- road safety -- feedback -- control system synthesis -- velocity control -- mobile robots; CCC vehicle penetration rates -- feedback length -- CCC feedback coefficients -- CCC system -- transfer function theory -- feedback control design -- stability analysis -- vehicle‐to‐vehicle communications -- multiple human‐driven vehicles -- tail CCC vehicle -- individual vehicle platoons -- traffic efficiency enhancement -- safety enhancement -- stable connected cruise control systems -- control design; Intelligent transportation systems -- Periodicals; Electronics in transportation -- Periodicals; 388.31205
• DOI: 10.1049/iet-its.2018.5271
• Languages: English
• ISSNs: 1751-956X

Abstract

Abstract : To enhance safety and traffic efficiency, stability of a mixed human and connected cruise control (CCC) system is studied. The authors consider individual vehicle platoons, in which the tail CCC vehicle receives feedback from multiple human‐driven vehicles ahead via vehicle‐to‐vehicle communications, with the objective of stability analysis and feedback control design. To deal with this, the transfer function theory is used. Simulations are also performed to evaluate impacts of the mixed human and CCC system on safety and traffic efficiency. Results show that the output bounds of the CCC feedback coefficients can be appropriately designed to keep local individual vehicle platoons stable for all possible vehicle speeds. The feedback coefficient has a larger design range and the required lower bound value decreases as the feedback length increases. Additionally, the system design would improve traffic safety and efficiency even at lower CCC vehicle penetration rates.