Isolated ramp metering feedback control utilizing mixed sensitivity for desired mainline density and ramp queues

Document Type

Conference Proceeding


This paper presents a feedback control design for isolated ramp metering control. This feedback control design, unlike the existing isolated feedback ramp controllers, also takes into account the ramp queue length. Using a nonlinear H(infinity) control design methodology, we formulate the problem in the desired setting to be able to utilize the results of the methodology.


Feedback control systems; Ramp metering (Traffic engineering); Traffic congestion; Traffic flow


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