Evaluation of Behavior Diversion of Follower Driver to Newell’s Driver in Traffic Oscillation based on Data Envelopment Analysis
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Stimulating the following vehicles by the leading ones repeatedly is created by the different reasons such as a sudden drop in the speed of the leading vehicle and lane changing maneuvers that result in stop and go traffic. It leads to several negative effects, such as reduction in safety, and increase in travel delay. When follower driver of platoon receives the last released wave of downstream to upstream in the traffic oscillation, he or she makes different reactions with respect to the released wave. They result in forming different behavioral patterns and behavior diversion from equilibrium driver. The behavior change analysis of the driver-vehicle unit is an indispensable factor for increasing and decreasing frequent repetitions in traffic oscillation. In this paper, employs vehicle trajectory data from Next Generation Simulation (NGSIM) program. The vehicle trajectory data of two freeway sites of the NGSIM program, Interstate 80 (I-80) and US highway 101 (US-101), were used in transportation and traffic research (NGSIM, 2006). Platoons of vehicles identified through a traffic disturbance classify in deceleration phase based on driver behavior. When the follower vehicle receives a deceleration wave, the follower’s reaction may be to create a high or low speed drop. Driver behavior in deceleration phase leads to congestion classify into four behavioral patterns: under reaction and over reaction based on maneuvering errors of follower driver. Follower vehicles react different responses to deceleration wave in deceleration phase. The reactions result in low and more speed drop between Newell driver, low and more delay time of moving vehicles. A high speed drop, more safe spacing, results in the development of under reaction pattern. Also, a low speed drop, lower safe spacing, results in over reaction. In this paper, behavior diversion parameter and time of deceleration phase are assessed, based on observed behavioral patterns and using data envelopment analysis. Follower vehicles with different numbers in traffic stop and go traffic is considered as decision making units, leading to different decision-making units in the vehicle platoon. Using data envelopment analysis method, efficient units for trajectory data are analyzed, which is based on any behavior that indicates the delay in the vehicle platoon. More performance of behavior diversion parameter and time as result of any decision making unit are identified based on any diffused deceleration wave and follower spacing of receiving deceleration wave that results in the lowest delay time of vehicle platoon of deceleration phase. The results of the analysis show that the most effective decision making unit of overreaction behavioral pattern is created in the vehicle platoon at the same spacing and velocity values but the amount of different acceleration wave and behavioral changes. Based on under reaction pattern, the greatest delay in the platoon is proportional to the different speeds and spacing but the same deceleration wave which represents the most inefficient driving situation of a vehicle following the vehicle platoon. Present results can help traffic engineers in simulating vehicles movements of freeways to evaluate vehicle moves of F level of service for calculating delay and speed drop of vehicle platoon.
Language:
Persian
Published:
Quranic Knowledge Research, Volume:18 Issue: 5, 2018
Pages:
91 to 103
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