Results 21 to 30 of about 17,433 (317)

Circle rail transit line timetable scheduling using Rail TPM [PDF]

WIT Transactions on The Built Environment, 2010
This paper on circle rail transit line timetable scheduling is from the proceedings of the 12th International Conference on Computer System Design and Operation in Railways and Other Transit Systems, held in Beijing, China, in 2010. The authors describe the use of Rail TPM, a user-friendly rail transit timetable scheduling tool, that can be easily ...
J. Zhibin, G. Jia, X. Ruihua
openaire   +1 more source

Simulation Study on Vertical Deformation of CRTS III Slab Track under Ambient Temperature and Its Upgrade to “Green Maintenance”

Applied Sciences, 2021
In view of the vertical deformation of CRTS III slab ballastless track of high-speed railways under the action of ambient temperature, a simulation model of the temperature field and vertical deformation of CRTS III slab ballastless track was developed ...
Junzhao Zhou, Yanyun Luo, Guosheng Lv, Yongliang Xiong   +3 more
doaj   +1 more source

Analysis of wheel-rail adhesion redundancy considering the third-body medium on the rail surface [PDF]

Railway Sciences
Purpose – In response to the problem of insufficient traction/braking adhesion force caused by the existence of the third-body medium on the rail surface, this study aims to analyze the utilization of wheel-rail adhesion coefficient under different ...
Chun Tian, Gengwei Zhai, Mengling Wu, Jiajun Zhou, Yaojie Li   +4 more
doaj   +1 more source

A New Vibration Absorber Design for Under-Chassis Device of a High-Speed Train

Shock and Vibration, 2017
To realize the separation of vertical and lateral stiffness of the under-chassis device, a new type of vibration absorber is designed by using the negative stiffness of the disc spring in parallel with the rubber component.
Yu Sun, Jinsong Zhou, Dao Gong, Wenjing Sun, Zhanghui Xia   +4 more
doaj   +1 more source

Damping Coefficient Optimization for the Articulated System of Virtual Track Trains

Shock and Vibration
Virtual track trains are a new type of rail transportation because the multisection formation structure leads to more degrees of freedom of the vehicle, which may cause unstable phenomena, such as tailing, cross-swing, and folding, affecting the ...
Chao Li, Yuanjin Ji, Youpei Huang, Han Leng, Maozhenning Yang, Lihui Ren   +5 more
doaj   +1 more source

Decoupling Optimization Design of Under-Chassis Equipment Suspension System in High-Speed Trains

Shock and Vibration, 2018
The vibrations of high-speed trains may strongly affect the safety and ride comfort of passengers, which issue requires the damping optimization of under-chassis equipment (UCE).
Zhanghui Xia, Dao Gong, Jinsong Zhou, Wenjing Sun, Yu Sun   +4 more
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

Advanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco, Valerio Francesco Annese, Valerio Galli, Ilaria Penna, Debora Russo, Marina Veronesi, Rita Scarpelli, Stefania Sabella, Mario Caironi   +8 more
wiley   +1 more source

Application of Visual Three-Position Isolation and Grounding Integration Device Replacing Visual Grounding Device

Chengshi guidao jiaotong yanjiu
［Objective］Disconnector is a key equipment in rail transit traction power supply system. With the development of intelligent switch equipment technology and the increasing demand for intelligent operation and maintenance management of power supply ...
LI Jun, ZHOU Hang, LAI Zhiping, CHEN Changbang, WEI Tingsan, LIAO Fuchao, HUANG Huanmao, QIN Qian, HUANG Jinyun, LIAO Longfei, NONG Yi   +10 more
doaj   +1 more source

Moth‐Wing‐Inspired Multifunctional Metamaterials

Advanced Materials, EarlyView.
This study develops a moth‐wing‐inspired heterogeneous metamaterial that achieves synergistic broadband sound absorption, mechanical energy dissipation, and thermal insulation within a lightweight architected framework. Combining bioinspired gradient design, genetic‐algorithm optimization, and additive manufacturing, the bionic heterogeneous acoustic ...
Haoran Pei, Hang Yang, Ning Zhang, Tian Li, Xinxin Wang, Miao Zhao, Shuwei Ding, Xin Wang, Qinniu Lv, Zijie Xu, Yinghong Chen, Xinwei Li, Wei Zhai   +12 more
wiley   +1 more source

Bandgap mechanism and vibration reduction property of wave-resistance sleeper with negative effective mass density

AIP Advances, 2021
Based on the capability of controlling low-frequency elastic waves in solids with subwavelength size, locally resonant phononic crystals have potential applications in track vibration reduction.
Rixin Cui, Jinsong Zhou, Dao Gong, Shiqiao Tian   +3 more
doaj   +1 more source