Results 281 to 290 of about 339,893 (364)

Future 5G-oriented system for urban rail transit: Opportunities and challenges

China Communications, 2021
As a development direction of urban rail transit system, the train autonomous circumambulate system (TACS) can operate in a safer, more efficient, and more economical mode.
Junhui Zhao, Jin Liu, Lihua Yang, B. Ai, Shanjin Ni   +4 more
semanticscholar   +1 more source

CUFuse: Camera and Ultrasound Data Fusion for Rail Defect Detection

IEEE transactions on intelligent transportation systems (Print), 2022
This paper proposes a multi-source data fusion algorithm for rail surface defect detection in both camera-based rail inspection images and ultrasound B-scan images. First, we design a rail surface segmentation algorithm based on image bilateral filtering,
Zhengxing Chen, Qihang Wang, Qing He, Tianle Yu, Min Zhang, Ping Wang   +5 more
semanticscholar   +1 more source

Short-term prediction of passenger volume for urban rail systems: A deep learning approach based on smart-card data

, 2021
Short-term prediction of passenger volume is a complex but critical task to urban rail companies, which desire prediction methods with high accuracy, time efficiency and good practicality. Good prediction results of the outbound passenger volume at urban
Xin Yang, Qiuchi Xue, Meiling Ding, Jianjun Wu, Ziyou Gao   +4 more
semanticscholar   +1 more source

Spatially varying impacts of built environment factors on rail transit ridership at station level: A case study in Guangzhou, China

Journal of Transport Geography, 2020
Understanding the relationship between the rail transit ridership and the built environment is crucial to promoting transit-oriented development and sustainable urban growth.
Shaoying Li, Dijiang Lyu, Guanping Huang, Xiaohu Zhang, Feng Gao, Yuting Chen, Xiaoping Liu   +6 more
semanticscholar   +1 more source

Tunable rail-to-rail FGMOS transconductor

Proceedings of 2010 IEEE International Symposium on Circuits and Systems, 2010
A tunable CMOS transconductor is presented. Input rail-to-rail operation is achieved using floating-gate MOS (FGMOS) transistors. Tuning is also obtained using FGMOS transistors, which are biased in weak or moderate inversion to achieve precise output current scaling.
José María Algueta-Miguel, Antonio J. López-Martín, Jaime Ramírez-Angulo, Ramón González Carvajal   +3 more
openaire   +1 more source

MRSDI-CNN: Multi-Model Rail Surface Defect Inspection System Based on Convolutional Neural Networks

IEEE transactions on intelligent transportation systems (Print), 2021
Defects on rail surfaces, which have become critical problems, need to be detected and removed as quickly as possible to ensure the fast, safe, and stable operation of trains.
Hui Zhang, Yanan Song, Yurong Chen, H. Zhong, Li Liu, Yaonan Wang, T. Akilan, Q. M. J. Wu   +7 more
semanticscholar   +1 more source

Measurement of rail current distribution in rail launchers

2014 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings, 2014
This paper deals with the measurement of current distribution across the rails of rail launchers. The proposed approach is based on inductive method by magnetically coupling an array of search loops with the rail-armature circuit. The procedure was already successfully employed for current distribution measurements among the brushes of multi-brush ...
Roberto, Ferrero, MARRACCI, MIRKO, TELLINI, BERNARDO   +2 more
openaire   +2 more sources

Urban rail transit operation safety evaluation based on an improved CRITIC method and cloud model

Journal of Rail Transport Planning & Management, 2020
Urban rail transit operation safety based on a cloud model and improved Criteria Importance Through Intercriteria Correlation (CRITIC) method was evaluated, considering both existing expertise and uncertainties such as fuzziness and randomness of such ...
Huan Wu, Jinzi Zhen, Jing Zhang
semanticscholar   +1 more source

A 1.2 V rail-to-rail switched buffer

1998 IEEE International Conference on Electronics, Circuits and Systems. Surfing the Waves of Science and Technology (Cat. No.98EX196), 2002
A CMOS low-voltage (1.2 V) switched buffer to be used as input stage in switched-opamp circuits is presented. The circuit is based on the use of an op-amp featuring rail-to-rail input and output swing with constant transconductance (gm) over the input common mode voltage. The circuit operates from a single 1.2 V, consuming about 0.6 mW.
Ferri, G, Costa, A, BASCHIROTTO, ANDREA
openaire   +2 more sources

Study on the effects of wheel-rail friction self-excited vibration and feedback vibration of corrugated irregularity on rail corrugation

Wear, 2021
Both the self-excited vibration of the wheel-rail system and the feedback vibration of track irregularity have certain effects on the rail corrugation.
Xiaolu Cui, Yuanchang Chen
exaly   +2 more sources