This study resolves the controversy over the stability of constant time-gap policy for highway traffic flow. Previous studies left doubt as to the effectiveness of constant time-gap policies and whether they maintain stability in all traffic conditions. The results of this study prove that the constant time-gap policy is in fact stable to a limit. At this limit, depending on the boundary conditions, conditions lose their stability. This study develops alternative ways to maintain the balance between safety and traffic flow for ACC vehicles that does not rely on constant time-gap policies. New spacing policies will create more stability, and therefore safer conditions, and allow for greater traffic capacity.
Adaptive Cruise Control System Design and Its Impact on Traffic Flow
2005
180 pages
Report
Keine Angabe
Englisch
Road Transportation , Transportation & Traffic Planning , Transportation , Cruising , Adaptive control , Traffic flow , Automotive engineering , Design , Impact , Driver vehicle interface , Safety , Motor vehicles , Control models , Distance control , Headway sensors , Stability , Performance evaluation , Traffic control , Adaptive cruise control(ACC) , ACC(Adaptive cruise control)
Traffic flow-oriented design and analysis of an adaptive cruise control system
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