Results 21 to 30 of about 2,142,116 (352)
High-speed pulse train amplification in semiconductor optical amplifiers with optimized bias current [PDF]
, 2017 In this paper, we have experimentally investigated the optimized bias current of semiconductor optical amplifiers (SOAs) to achieve high-speed input pulse train amplification with high gain and low distortion.
Ghafouri-Shiraz, H. +3 more
core +1 more source
A Review of Recent Research into the Causes and Control of Noise during High-Speed Train Movement
Applied Sciences, 2022 Since the invention of the train, the problem of train noise has been a constraint on the development of trains. With increases in train speed, the main noise from high-speed trains has changed from rolling noise to aerodynamic noise, and the noise level
Hongyu Yan +3 more
semanticscholar +1 more source
Research on speed control of high-speed trains based on hybrid modeling [PDF]
Archives of Transport, 2023 With the continuous improvement of train speed, the automatic driving of trains instead of driver driving has become the development direction of rail transit in order to realize traffic automation.
Tao Hou +3 more
doaj +1 more source
The Crystallization Behavior of TiO2-CaO-SiO2-Al2O3-MgO Pentabasic Slag with a Basicity of 1.1–1.4
Crystals, 2021 The utilization of titanium-containing blast furnace slag has been an unsolved problem for a long time. Failure to make effective use of the slag, which is caused by a high TiO2 content within it, not only results in a waste of resources, especially ...
Huxu Lei +5 more
doaj +1 more source
Railway Engineering Science, 2021 Fault detection and isolation of high-speed train suspension systems is of critical importance to guarantee train running safety. Firstly, the existing methods concerning fault detection or isolation of train suspension systems are briefly reviewed and ...
Yunguang Ye, Ping Huang, Yongxiang Zhang
semanticscholar +1 more source
Can high-speed train improve the innovation ability of enterprises?
Journal of Applied Economics, 2022 This paper analyzes the impact of high-speed train construction on enterprise innovation and its specific mechanisms by establishing high-speed train-city-firm level panel data and constructing a multi-period DID model in China.
Weilong Wu, Tang Jing, Xiaoli Yang
semanticscholar +1 more source
Railway Engineering Science, 2020 Motivated by the huge practical engineering demand for the fundamental understanding of mechanical characteristics of high-speed railway infrastructure, a full-scale multi-functional test platform for high-speed railway track–subgrade system is developed
Wanming Zhai +5 more
doaj +1 more source
IEEE transactions on intelligent transportation systems (Print), 2021 This paper investigates an adaptive fault-tolerant pseudo-proportional-integral-derivative sliding-mode control (pseudo-PID-SMC) scheme for a high-speed train (HST) subject to actuator faults, asymmetric nonlinear actuator saturation (ANAS), and integral
Xiang-Gui Guo, C. Ahn
semanticscholar +1 more source
Min-Max Approach for High-Speed Train Scheduling and Rescheduling Models
IEEE Access, 2021 The definition of train scheduling is going to shift its current static approach, as generally resulting in a timetable, towards a dynamic approach where the timetable can be modified in order to enhance the satisfaction of passengers’ demand.
Chiara Bersani +2 more
doaj +1 more source
Internet of things for high-speed railways
Intelligent and Converged Networks, 2021 As a new generation of application infrastructure and strategic emerging technologies, the internet of things (IoT) is an inevitable trend to be integrated into the rapid development of high-speed railways (HSR). This article first introduces the concept
Guidong Zhong +3 more
doaj +1 more source