Autonomous Vehicle-Intersection Coordination Method in a Connected Vehicle Environment

Lin, Peiqun; Liu, Jiahui; Jin, Peter J.; Ran, Bin

doi:10.1109/mits.2017.2743167

Cited by 123 publications

(33 citation statements)

References 15 publications

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“…This method can ef-Journal of Transportation Technologies fectively prevent the collision of vehicles in the intersection by assigning a successive level of specific vehicles and avoiding the contradiction between the different vehicle travel trajectories. Some studies established the principle of a buffer allocation scheduling algorithm to provide a guide to vehicles to safely pass the intersections [26]. Figure 1 shows the intersection channelization.…”

Section: Methods Of Cavs Intersection Coordinationmentioning

confidence: 99%

Pedestrian Facilities Capacity and Level of Service at Intersections in a Connected and Autonomous Vehicle Environment

Wang¹,

Faghri²,

Yuan³

et al. 2019

JTTs

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It is inevitable that Connected and Autonomous Vehicles (CAVs) will be a major focus of transportation and the automotive industry with increased use in future traffic system analysis. Numerous studies have focused on the evaluation and potential development of CAVs technology; however, pedestrians and bicyclists, as two essential and important modes of the road users have seen little to no coverage. In response to the need for analyzing the impact of CAVs on non-motorized transportation, this paper develops a new model for the evaluation of the Level of Service (LOS) for pedestrians in a CAVs environment based on the Highway Capacity Manual (HCM). The HCM provides a methodology to assess the level of service for pedestrians and bicyclists on various types of intersections in urban areas. Five scenarios were created for simulation via VISSIM (a software) that corresponds to the different proportions of the CAVs and different signal systems in a typical traffic environment. Alternatively, the Surrogate Safety Assessment Model (SSAM) was selected for analyzing the safety performance of the five scenarios. Through computing and analyzing the results of simulation and SSAM, the latter portion of this paper focuses on the development of a new model for evaluating pedestrian LOS in urban areas which are based upon HCM standards which are suitable for CAVs environments. The results of this study are intended to inform the future efforts of engineers and/or policymakers and to provide them with a tool to conduct a comparison of capacity and LOS related to the impact of CAVs on pedestrians during the process of a transportation system transition to CAVs.

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Section: Methods Of Cavs Intersection Coordinationmentioning

confidence: 99%

Pedestrian Facilities Capacity and Level of Service at Intersections in a Connected and Autonomous Vehicle Environment

Wang¹,

Faghri²,

Yuan³

et al. 2019

JTTs

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“…The first notable study on RIC was done by Dresner and Stone (Dresner and Stone [4], Dresner and Stone [5], Dresner and Stone [6]). This seminal work has been followed up by a number of studies that address similar concepts of RIC, often also called automated intersection control or intersection management (Lee and Park [11], Wu et al [28], Li et al [15], Ahmane et al [1], Hassan and Rakha [7], Lin et al [16], Tian et al [23], Shahriari and Biglarbegian [18], Levin and Boyles [12], Levin et al [14], Sun et al [22], Yang et al [29]). Each of this studies is original on its own way (mostly by introducing a different technique to solve the scheduling problem), but most of them are similar in an attempt to integrate trajectory design into the signal control (Lee and Park [11], Wu et al [28], Li et al [15], Ahmane et al [1], Hassan and Rakha [7], Lin et al [16], Sun et al [22], Yang et al [29]).…”

Section: Literature Reviewmentioning

confidence: 99%

Impact of conflict resolution parameters on combined alternate-directions lane assignment and reservation-based intersection control

Stevanovic

Mitrović

2020

Eur. Transp. Res. Rev.

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We recently proposed a concept, called Combined Alternate-Direction Lane Assignment and Reservation-based Intersection Control (CADLARIC), for organizing directionally unrestricted traffic flows in automated vehicle environment. The conflicts between through movements are handled by a reservation-based algorithm while the turning conflicts at the intersections are avoided altogether. This paper extends this research by analyzing the impacts that CADLARIC's parameters, used to control the conflict-resolution processes, have on the efficiency and surrogate safety indicators. The investigated parameters include: (i) buffer time in cell's reservation schedule; (ii) allowed speed to cross the reserved cell; (iii) distance from intersection from which a vehicle can make reservation, and (iv) duration of the lane-change process. For most of the investigated parameters, the numerical results show that less efficient operations lead not just to an increase in delay time and number of stops but also increase number of conflicting situations, because of vehicular queues formed within the intersection zone.

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“…Some solutions used to find near-optimal solutions include ant colony algorithm and genetic algorithm. A heuristic based on an ant colony system is proposed in Wu et al 12 Genetic algorithm is used in Lin et al, 13 while active set method and interior point method are used along with genetic algorithm in Lee and Park. 14…”

Section: Related Workmentioning

confidence: 99%

“…As an example, consider the red-black tree T of a cell as shown in Figure 3, and we consider a case where the cell is not available, for example, when rta k = 15 and rtd k = 20, since it will conflict with the values in node D. First, we set x to the root of T; thus, x = node A. rta k .x td , thus x = x r = node C. Then, rtd k = x ta , hence x = x l = node D. Then, rtd k .x ta and rta k \x td , which means there is a conflict between [15, 20] and [13,16]; thus, the cell is not available and node D is returned wherein the conflict occurred. findTime function.…”

Section: Intersection Manager Schedules the Requestsmentioning

confidence: 99%

Reservation-based traffic management for autonomous intersection crossing

Choi

Rubenecia

Choi

2019

International Journal of Distributed Sensor Networks

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A scheduling scheme for autonomous intersection crossing is proposed and evaluated. The scheduling scheme determines the flow of autonomous vehicles into an intersection without traffic signals. The objective of the scheduling scheme is to schedule the vehicles’ entrances into the intersection such that there will be no collision among vehicles and the intersection is efficiently utilized. Our scheduling scheme uses reservation-based scheduling approach, and the scheduling is formulated as an optimization problem to find the best sequence of vehicles’ entrances into the intersection. Our scheme is made more practical by allowing the vehicles to move at any speed within a speed range, and it is shown that it is fast enough to be used in real time. Through simulation, it is also shown that our scheduling scheme significantly outperforms the first-come, first-served approach, which is the approach used by other reservation-based scheduling schemes.

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Autonomous Vehicle-Intersection Coordination Method in a Connected Vehicle Environment

Cited by 123 publications

References 15 publications

Pedestrian Facilities Capacity and Level of Service at Intersections in a Connected and Autonomous Vehicle Environment

Pedestrian Facilities Capacity and Level of Service at Intersections in a Connected and Autonomous Vehicle Environment

Impact of conflict resolution parameters on combined alternate-directions lane assignment and reservation-based intersection control

Reservation-based traffic management for autonomous intersection crossing

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