Results 261 to 270 of about 41,974,173 (304)

High speed

New Scientist, 2023
The role of transport in the process of economic development and integration remains an area of controversy. Policy makers, faced with the claim that the cost of high-speed rail (HSR) makes it an expensive way of achieving the supposed benefits, seek to ...
Harry J. Lincoln
semanticscholar   +1 more source

Data-Driven Fault Diagnosis for Traction Systems in High-Speed Trains: A Survey, Challenges, and Perspectives

IEEE transactions on intelligent transportation systems (Print), 2022
Recently, to ensure the reliability and safety of high-speed trains, detection and diagnosis of faults (FDD) in traction systems have become an active issue in the transportation area over the past two decades.
Hong-Tian Chen, B. Jiang, Steven X. Ding, Biao Huang   +3 more
semanticscholar   +1 more source

Advancements in material removal mechanism and surface integrity of high speed metal cutting: A review

International journal of machine tools & manufacture, 2021
The research and application of high speed metal cutting (HSMC) is aimed at achieving higher productivity and improved surface quality. This paper reviews the advancements in HSMC with a focus on the material removal mechanism and machined surface ...
Bing Wang, Zhan-Qiang Liu, Yu-Kui Cai, Xi-Chun Luo, Hai-Feng Ma, Qing-Hua Song, Zhen-Hua Xiong   +6 more
semanticscholar   +1 more source

High-speed railways and collaborative innovation

Regional Science and Urban Economics, 2021
This paper investigates the impact of infrastructure on innovation collaboration between enterprises in different locations using the introduction of high-speed railways in China.
Douglas Hanley, Jiancheng Li, Mingqin Wu
semanticscholar   +1 more source

Harvesting Wind Energy by a Triboelectric Nanogenerator for an Intelligent High-Speed Train System

, 2021
The operation cost of an intelligent high-speed train system is greatly increased by the enormous energy demand of large-scale signal and sensor networks.
Chu-Guo Zhang, Yue-Bo Liu, Bao-Feng Zhang, Ou Yang, Wei Yuan, Li-Xia He, Xue-Lian Wei, Jie Wang, Zhong-Lin Wang   +8 more
semanticscholar   +1 more source

COVID-19 Pandemic: Shifting Digital Transformation to a High-Speed Gear

Information systems management, 2020
The COVID-19 pandemic is causing an unprecedented global health crisis with severe socio-economic consequences. This paper explores the impact of the COVID-19 pandemic on Digital transformation and vice versa.
Pedro Soto-Acosta
semanticscholar   +1 more source

A Review of Fault Detection and Diagnosis for the Traction System in High-Speed Trains

IEEE transactions on intelligent transportation systems (Print), 2020
High-speed trains have become one of the most important and advanced branches of intelligent transportation, of which the reliability and safety are still not mature enough for keeping up with other aspects.
Hong-Tian Chen, B. Jiang
semanticscholar   +1 more source

Safety-assured high-speed navigation for MAVs

Sci. Robotics
Micro air vehicles (MAVs) capable of high-speed autonomous navigation in unknown environments have the potential to improve applications like search and rescue and disaster relief, where timely and safe navigation is critical.
Yun-Fan Ren, Fang-Cheng Zhu, Guozheng Lu, Yi-Xi Cai, Long-Ji Yin, Fan-Ze Kong, Jia-Rong Lin, Nan Chen, Fu Zhang   +8 more
semanticscholar   +1 more source

Agile But Safe: Learning Collision-Free High-Speed Legged Locomotion

Robotics: Science and Systems Conference
Legged robots navigating cluttered environments must be jointly agile for efficient task execution and safe to avoid collisions with obstacles or humans. Existing studies either develop conservative controllers (
Tairan He, Chong Zhang, Wenli Xiao, Guanqi He, Chang-Liu Liu, Guan-Ya Shi   +5 more
semanticscholar   +1 more source