Regional dynamic perimeter control method and system for preventing queuing overflow of boundary links

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United States of America Patent

PATENT NO 11908321
APP PUB NO 20220366784A1
SERIAL NO

17611225

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Abstract

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A regional dynamic perimeter control method and system for preventing boundary links queuing overflow. The method includes: estimating the number of queuing vehicles of boundary links using a Kalman filtering extension method using traffic flow information, and calculating a maximum of receivable vehicles; dividing the boundary links utilizing an estimated number of each boundary link's queuing vehicles and the maximum number of receivable vehicles obtaining a boundary link set with sufficient storage and a boundary link set with insufficient storage; obtaining a critical accumulation of a region according to a preset Macroscopic Fundamental Diagram (MFD) model of the region, and predicting the estimated region accumulation in a sampling period; and controlling a regional boundary intersection traffic flow operation using a deviation between the predicted and critical accumulation and boundary link sets. Deterioration of regional traffic flow is avoided, and the probability of overflow of boundary links is reduced.

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Patent Owner(s)

Patent OwnerAddress
SHANDONG JIAOTONG UNIVERSITY250023 NO 5001 HAITANG ROAD CHANGQING UNIVERSITY SCIENCE PARK SHANDONG JI'NAN JINAN CITY SHANDONG PROVINCE 250023

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Inventor Name Address # of filed Patents Total Citations
Guo, Yajuan Jinan, CN 1 0

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