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Innovative design technology for the new generation of high-speed EMU

Liang Jianying,Ding Sansan,Tian Aiqin and Zhao Hongwei

Strategic Study of CAE 2015, Volume 17, Issue 4, Pages 63-68

Abstract: This article comprehensively summarize the optimization of process innovation of the new generation of high-speedelectric multiple unit（EMU）， minutely analysize its innovative design on aerodynamic optimization， airtightness， modal matching， reduction vibration and noise， lightweight and other aspects.The simulation and experiment result shows that the new generation of high-speed EMU is with enough strength， stiffness， structure stability， excellent features of vibration and fatigue，great performance aerodynamics

Keywords： high-speed EMU；lightweight；strength；vibration mode；aerodynamics

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CR-Fuxing high-speed EMU series

Frontiers of Engineering Management Pages 742-748 doi: 10.1007/s42524-023-0281-1

Abstract: CR-Fuxing high-speed EMU series

Keywords： CR-Fuxing series high-speed EMU innovation key system digitalized collaborative design engineering

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Development of research on aerodynamics of high-speed rails in China

Tian Hongqi

Strategic Study of CAE 2015, Volume 17, Issue 4, Pages 30-29

Abstract: of high-speed rails in China， which focuses on train aerodynamics， vehicle-track-bridge-tunnel couplingaerodynamics， vehicle-wind-sand-rain-snow environmental aerodynamics， pantograph-catenary aerodynamicand body aerodynamics.breakthrough， proposing measures to tackle aero dynamical problems which pose a threat to development of high-speedThe paper introduces a series of experimental platforms for testing aerodynamics of high-speed rails

Keywords： rail aerodynamics； high-speed rails； experimental platforms； research development； train aerodynamics； train/tunnel coupling aerodynamics； train/wind coupling aerodynamics； pantograph-catenary aerodynamics； human aerodynamics

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Study of online balancing control technique for high-speed spindles

Zhang Yun,Mei Xuesong

Strategic Study of CAE 2013, Volume 15, Issue 1, Pages 87-92

Abstract:

To solve the problem of online automatic balance control of machine tool spindle, the balancing methods and the automatic balancing technologies were discussed in this paper, and then an online automatic balance mechanism based on hydrojet-typed mass compensation principle was proposed. The feasibility of this balancing device was verified on a motorized spindle, and the empirical results validated the effectiveness of this mechanism.

Keywords： high-speed spindle online balancing vibration control

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Technology challenges and strategies of the new generation Chinese high-speed railway EMU

Miao Bingrong,Zhang Weihua,Deng Yongquan,Li Xujuan and Mei Guiming

Strategic Study of CAE 2015, Volume 17, Issue 4, Pages 98-102

Abstract:

Based on the study on key technical problems and prospect of a new generation of China high-speedSecondly， based on the study of domestic and foreign literatures， combined with the Chinese high-speedsuggestions and strategy of development for major technical challenges in the new generation of Chinese high-speedrail EMU were put forward.through the study of the paper， some useful suggestions were put forward for the future development of high-speed

Keywords： high-speed railway； high-speed train； new generation； key technology； integrated design； multi-disciplinary

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Value and governance of high-speed railway

Xiaoyan LIN, Zehua ZHANG, Meng WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 4, Pages 463-482 doi: 10.15302/J-FEM-2017054

Abstract: This paper considers multiple perspectives to explore the concept of high-speed railway (HSR), rationallyThis paper analyzes the governance potential of major countries in the high-speed railway value chainand studies the feasible ways and development strategies to enhance the high-speed railway governanceSecond, the high-speed railway standard output has become the core competitiveness that embodies high-speedThird, the global high-speed railway market presents a hierarchical high-speed railway governance model

Keywords： high-speed railway value communication value high-speed railway value governance governance path upgrade

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The adaptability design method and its application for high-speed electric multiple unit on the trackk

Wang Kaiyun,Yuan Xuancheng and Zhai Wanming

Strategic Study of CAE 2015, Volume 17, Issue 4, Pages 90-97

Abstract:

Nowadays， various track structures have been applied in Chinese high-speed railway， which obviouslyTherefore， based on the theory of vehicle-track coupled dynamics， the method of adaptability design for high-speedEMU running on the tracks is preliminarily discussed in this paper.By regarding the high-speed EMU as the design object， a method of track adaptability design is presented， which can supply a new idea and reference for Chinese high-speed EMU.

Keywords： high-speed railway； track adaptability； EMU； vehicle-track coupled dynamics

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The key technology of testing and commissioning of high-speed railway and the main testing achievements

Kang Xiong and Yao Jianwei

Strategic Study of CAE 2015, Volume 17, Issue 4, Pages 21-29

Abstract:

The connotation and necessity of testing and commissioning of high-speed railway is explained andpractice of testing and commissioning in China， the key technology of testing and commissioning of high-speedof high-speed railway and train-track-bridge coupling.Then the main achievements of testing and commissioning of high-speed railway in China are concluded，and some useful suggestions are given about high-speed railway construction and operation.

Keywords： high-speed railway； system test； testing and commissioning； wheel/rail interaction； pantograph and ocsrelation； train-track-bridge； aerodynamics of high-speed railway

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Technical studies on high-speed turnouts for china railways

He Huawu

Strategic Study of CAE 2009, Volume 11, Issue 5, Pages 23-30

Abstract:

High-speed turnout serves as a vital part of track structure for high-speedIn this paper, design parameters and linear plane of high-speed turnout, main structure characteristicsof components (including fastening, turnout sleeper, switching system etc.), design theories of high-speedwill offer remarkable guiding significance for the further R&D, test, verification and wide-use of high-speed

Keywords： high-speed railway high-speed turnout technical studies

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Omnidirectional Antenna Diversity System for High-Speed Onboard Communication Article

Yongjian Zhang, Yue Li, Weiquan Zhang, Zhijun Zhang, Zhenghe Feng

Engineering 2022, Volume 11, Issue 4, Pages 72-79 doi: 10.1016/j.eng.2020.10.014

Abstract: dual-polarized antenna with synergetic electromagnetic and aerodynamic properties is propounded for high-speeddiversity antenna has electromagnetic and aerodynamic merits, and exhibits an excellent potential for high-speed

Keywords： Antenna diversity system Aerodynamics Electromagnetics Omnidirectional radiation High-speed onboard

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Development progress of China’s 600 km/h high-speed magnetic levitation train

Frontiers of Engineering Management 2022, Volume 9, Issue 3, Pages 509-515 doi: 10.1007/s42524-022-0199-z

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Keywords： 600 km/h high-speed magnetic levitation train development history technological innovation

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Interactive effects of high-speed rail on nodal zones in a city: exploratory study on China

Guo LIU, Kunhui YE

Frontiers of Engineering Management 2019, Volume 6, Issue 3, Pages 327-335 doi: 10.1007/s42524-019-0051-2

Abstract: The arrival of the high-speed rail (HSR) era has accelerated the pace of urban development, but its broad

Keywords： high-speed rail nodal zone interactive effects sustainable urbanization China

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Development of an analytical model to estimate the churning losses in high-speed axial piston pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-021-0671-1

Abstract: The axial piston pumps in aerospace applications are often characterized by high-speed rotation to achieveduring operation, leading to considerable churning losses (more than 10% of total power losses) at highThe churning losses deserve much attention at the design stage of high-speed axial piston pumps, butThe presented analytical model provides practical guidelines for reducing the churning losses in high-speed

Keywords： axial piston pump rotating parts high rotational speed churning losses drag torque

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Being good or being known: International reputation of high-speed railway enterprises

Frontiers of Engineering Management Pages 455-466 doi: 10.1007/s42524-023-0250-8

Abstract: With fierce competition in the global high-speed railway (HSR) market, international reputation has become

Keywords： high-speed railway international reputation being good being known structural equation modeling

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Case modifying of high-speed cutting database based on CSP and similarity theory

Kejun XIANG, Zhanqiang LIU, Xing AI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 83-87 doi: 10.1007/s11465-009-0014-0

Abstract: By analyzing the reasoning of a high-speed cutting database system, a case modifying method is put forwardOn the basis of the high-speed cutting theory, a similarity calculation formula is deduced to calculatesimilarity calculation are applied to case modifying, which is possible to automatically modify cases in the high-speed

Keywords： high-speed cutting database case modifying CSP similarity calculation