Method and system for providing dynamic pricing algorithm with embedded controller for high occupancy toll lanes
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United States of America Patent
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Jun 4, 2019
Grant Date -
Aug 29, 2013
app pub date -
Feb 29, 2012
filing date -
Feb 29, 2012
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Abstract
A method and system for providing a feedback based dynamic pricing algorithm with an embedded controller for a HOT (High Occupancy Toll) lane. An input-output transfer function of a vehicle flow with respect to a HOT lane can be obtained utilizing a simulation module. A feedback controller combined with, for example, a Smith predictor can be designed to avoid an unstable behavior due to a time delay in the HOT lane, a price regulation, and a large transient caused by an integral part of the controller due to traffic jams. A driver behavior preference model can be derived based on a relationship between a toll rate and several characteristics of the HOT lane and a general purpose lane. The feedback controller and the behavior preference model can then be implemented to set the toll rate in real-time in order to satisfy a desired performance metric.
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