Dwell Time Estimation Using Real-Time Train Operation and Smart Card-Based Passenger Data: A Case Study in Seoul, South Korea

Applied Sciences

Young-Ji Byon¹  JiYoung Song²  Ho-Chan Kwak²  Seungmo Kang³  Yoonseok Oh³ 

[1] Department of Civil Infrastructure and Environmental Engineering, Khalifa University of Science and Technology, Abu Dhabi 127788, UAE;Railroad Policy Research Team, Future Transport Policy Research Division, Korea Railroad Research Institute, Uiwang 16105, Korea;School of Civil, Environmental and Architectural Engineering, Korea University, Seoul 02841, Korea;

关键词: smart card;    railway operation data;    transit ridership;    dwell time estimation;    metro timetable;    artificial intelligence;   

DOI  :  10.3390/app10020476

来源: DOAJ

【 摘 要 】

Dwell time is a critical factor in constructing and adjusting railway timetables for efficient and accurate operation of railways. This paper develops dwell time estimation models for a Shinbundang line (S line) in Seoul, South Korea using support vector regression (SVR), multiple linear regression (MLR), and random forest (RF) techniques utilizing archived real-time metro operation data along with smart card-based passenger information. In the first phase of this research, the collected data are processed to extract boarding and alighting passenger counts and observed dwell times of each train at all stations of the S line under the current operational environment. In the second phase, we develop SVR, MLR, and RF-based dwell time estimation models. It is found that the SVR-based model successfully estimates the dwell times within 10 s of differences for 84.4% of observed data. The results of this paper are especially beneficial for autonomous railway operations that need constructing and maintaining dynamic railway timetables that require reliable dwell time predictions in real-time.

【 授权许可】

Unknown