Results 11 to 20 of about 60,036 (348)

DF-YOLO: Highly Accurate Transmission Line Foreign Object Detection Algorithm

IEEE Access, 2023
Ensuring the promptly removal of foreign objects from transmission lines is crucial for electricity safety. However, the existing object detection algorithms exhibit low precision and recall due to factors such as uncertainty in the type of foreign ...
Shao Jia Li, Yan Xia Liu, Miao. Li, Lu Ding   +3 more
doaj   +1 more source

Temperature Segment Compensation Method of Dissipation Factor for Insulation Diagnosis in Converter Transformer Bushing

IEEE Access, 2022
Temperature compensation occupies a significant function in the insulation condition evaluation of converter transformer bushings based on the Frequency Domain Spectroscopy (FDS), which could influence the accuracy of its insulation diagnosis.
Quanmin Dai, Yanxia Liu, Xin Yu, Yinoon Zhang, Huidong Chen, Zhiming Huang   +5 more
doaj   +1 more source

YOLOv5s-D: A Railway Catenary Dropper State Identification and Small Defect Detection Model

Applied Sciences, 2023
High-speed railway catenaries are vital components in railway traction power supply systems. To ensure stable contact between the pantograph and the catenary, droppers are positioned between the messenger wire and contact line. The failure of one or more
Ziyi Li, Zhiqiang Rao, Lu Ding, Biao Ding, Jianjun Fang, Xiaoning Ma   +5 more
doaj   +1 more source

Transit-Based Evacuation for Urban Rail Transit Line Emergency [PDF]

Sustainability, 2020
Urban rail systems are the backbone of urban transit networks and are characterized by large passenger volumes, high speeds, punctuality, and low environmental impacts. However, unforeseen events such as rail transit line emergencies can lead to unexpected costs and delays.
Bowen Hou, Yang Cao, Dongye Lv, Shuzhi Zhao   +3 more
openaire   +1 more source

Simulation-Based Method for the Calculation of Passenger Flow Distribution in an Urban Rail Transit Network Under Interruption

Urban Rail Transit, 2023
In the extensive urban rail transit network, interruptions will lead to service delays on the current line and spread to other lines, forcing many passengers to wait, detour, or even give up their trips.
Guanghui Su, B. Si, Kun Zhi, Ben Zhao, Xuanchuan Zheng   +4 more
semanticscholar   +1 more source

A Time Series Decomposition and Reinforcement Learning Ensemble Method for Short-Term Passenger Flow Prediction in Urban Rail Transit

Urban Rail Transit, 2023
Short-term passenger flow prediction (STPFP) helps ease traffic congestion and optimize the allocation of rail transit resources. However, the nonlinear and nonstationary nature of passenger flow time series challenges STPFP.
Jinxin Wu, Deqiang He, Xianwang Li, Suiqiu He, Qin Li, Chonghui Ren   +5 more
semanticscholar   +1 more source

Distribution characteristics and the evolution law of excavation damage zone in the large-span transition section of high-speed railway tunnel based on microseismic monitoring [PDF]

Railway Sciences, 2022
Purpose – The microseismic monitoring technique has great advantages on identifying the location, extent and the mechanism of damage process occurring in rock mass.
Ao Li, Dingli Zhang, Zhenyu Sun, Jun Huang, Fei Dong   +4 more
doaj   +1 more source

Research on Time-Based Fare Discount Strategy for Urban Rail Transit Peak Congestion

Urban Rail Transit, 2023
To alleviate peak-hour congestion in urban rail transit, this study proposes a new off-peak fare discount strategy to incentivize passengers to shift their departure time from peak to off-peak hours.
Xiaobing Ding, Chen Hong, Jinlong Wu, Lu Zhao, Gan Shi, Zhigang Liu, Haoyang Hong, Zhengyuan Zhao   +7 more
semanticscholar   +1 more source

Improved Medium Baseline RTK Positioning Performance Based on BDS/Galileo/GPS Triple-Frequency-Only Observations

Remote Sensing, 2023
With the global service of the BeiDou Navigation Satellite System (BDS), the Galileo Navigation Satellite System (Galileo), and the modernization of the Global Positioning System (GPS), achieving high-precision positioning through triple-frequency-only ...
Xifeng Dang, Xiao Yin, Yize Zhang, Chengfa Gao, Jincheng Wu, Yongqiang Liu   +5 more
doaj   +1 more source

Equity impacts of the built environment in urban rail transit station areas from a transit-oriented development perspective: a systematic review

Environmental Research Communications, 2023
Over the past three decades, Transit-Oriented Development (TOD), with transit as its central tenet, has emerged as a pivotal urban policy driving sustainable and intelligent urban growth, drawing significant attention from researchers and practitioners ...
Tianyue Wan, Wei Lu, Peijin Sun
semanticscholar   +1 more source