Autonomous Control Method for Actuated Coordinated Signals
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United States of America Patent
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Issued Date -
Apr 30, 2020
app pub date -
Dec 23, 2019
filing date -
May 3, 2018
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Abstract
An autonomous control method for actuated coordinated signals. Specifically, the background plans are created for all the intersections once per time step. Each time step includes consecutive N cycles. First, the base splits are allocated to the coordinated and uncoordinated phases in proportional to their expected base splits. Second, the base phase offset brings into effect accurately. When the signal controller receives the new background plan from the control center, it transitions the background plans from the old one to the new one, and times the permissive cut-off portions and the force-off points in each cycle of the next time step. The autonomous control method for actuated coordinated signals can automatically create the timing parameters for actuated coordinated signals to accommodate the short-term variation in the vehicle demand without any manual intervention.
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