Space headway calculation and analysis at turn movement trajectories using hybrid model

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WANG C.; YE Z.; CHEN E.; FENG J.

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Journal Paper

Paper Information

Journal: SCIENTIA IRANICA Year:2020 | Volume:27 | Issue:6 (Transactions A: Civil Engineering) Page(s): 2669-2679

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Information Journal Paper

Title

Space headway calculation and analysis at turn movement trajectories using hybrid model

Author(s)

WANG C. | YE Z. | CHEN E. | FENG J. | Issue Writer Certificate

Keywords

Space headway

Spline curve

Numerical integration

Car-following

Turn movement trajectories

Abstract

Space headway calculation and analysis play an important role in identifying surrounding obstacles and understanding traffic scenes. However, the performance of existing methods is limited by the complexity of computer processing. In addition, it is quite difficult to obtain Space headway at Turn movement trajectories, mainly owing to the limitation of rectilinear propagation. Therefore, a hybrid model based on Spline curve and Numerical integration was proposed to estimate the distance of the front vehicle and vehicle trajectory in this study. The Space headway at Turn movement trajectories was analogous to the track of a vehicle, which could be fitted by a quadratic Spline curve. Newton-Cotes Numerical integration was employed to calculate distance due to its meshing flexibility and ease of implementation. Data collected from Lankershim Boulevard in the city of Los Angeles, California (USA) were used to evaluate performance of the hybrid model. Compared with another algorithm based on computer vision and trilinear method, the results showed that the proposed model worked successfully and outperformed the competing method in terms of accuracy and reliability. Finally, the proposed method was applied to investigate the effects of vehicle speed, relative speed of vehicles, and time period on the spacing of vehicles during Car-following.

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APA: Copy

WANG, C., YE, Z., CHEN, E., & FENG, J.. (2020). Space headway calculation and analysis at turn movement trajectories using hybrid model. SCIENTIA IRANICA, 27(6 (Transactions A: Civil Engineering)), 2669-2679. SID. https://sid.ir/paper/973879/en

Vancouver: Copy

WANG C., YE Z., CHEN E., FENG J.. Space headway calculation and analysis at turn movement trajectories using hybrid model. SCIENTIA IRANICA[Internet]. 2020;27(6 (Transactions A: Civil Engineering)):2669-2679. Available from: https://sid.ir/paper/973879/en

IEEE: Copy

C. WANG, Z. YE, E. CHEN, and J. FENG, “Space headway calculation and analysis at turn movement trajectories using hybrid model,” SCIENTIA IRANICA, vol. 27, no. 6 (Transactions A: Civil Engineering), pp. 2669–2679, 2020, [Online]. Available: https://sid.ir/paper/973879/en

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