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Hardware Module of Multi-Protocol Tester Based on the Specification of 2.0 Mb/s High Speed Signallinglink

Liu Zhihui

Strategic Study of CAE 2002, Volume 4, Issue 2, Pages 79-85

Abstract: Following the development of mobile communication and intelligence network, the 64 kb/s No.7 signallinglink now used is no longer suitable for the service increasement.The 2.048Mb/s high speed signalling link has become the best substitude.Since there is no related protocol testing equipment used for telecommunication branch, The 2.048 Mb/s high speed signalling protocol-analyzing set is developed for this purpose.

Keywords： 2.048 Mb/s high speed signalling link embedded processor real time operating system protocol-analyzing

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Exploration on Engineering Management Practice of China’s High Speed Railways

Yong-fu Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 3, Pages 232-240 doi: 10.15302/J-FEM-2014043

Abstract: paper explores the principal motivations and successful experiences of the rapid development of China’shigh speed railway.Under the overall coordination of the government, a high speed railway technology system has been formedThe target control system and support-guarantee system were established for the high speed railway projectspeed railway.

Keywords： high speed railway engineering management practice innovation

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Innovation evolution of China’s high-speed rail industry

Jin CHEN, Liang MEI

Frontiers of Engineering Management 2018, Volume 5, Issue 4, Pages 548-552 doi: 10.15302/J-FEM-2018208

Abstract:

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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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DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variablespeed wind turbine

Youcef BEKAKRA,Djilani BEN ATTOUS

Frontiers in Energy 2014, Volume 8, Issue 3, Pages 345-354 doi: 10.1007/s11708-014-0330-x

Abstract: connected to the electric grid through a back-to-back pulse width modulation (PWM) converter for variable speedA proportional-integral-(PI) controller is used to keep the DC-link voltage constant for a back-to-back

Keywords： doubly fed induction generator (DFIG) wind turbine back-to-back pulse width modulation (PWM) DC-link

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Polyhedral linkages obtained as assemblies of planar link groups

GÖkhan KİPER, Eres SÖYLEMEZ

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1, Pages 3-9 doi: 10.1007/s11465-013-0363-6

Abstract: of obtaining polyhedral linkages for homothetic deployment of polyhedral shapes by embedding planar linksuitable for such a purpose and what are the compatibility conditions for spatially assembling planar link

Keywords： polyhedral linkages homothety homohedra tangential polyhedra

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Rosin side chain type catalyst-free vitrimers with high cross-link density, mechanical strength, and

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9, Pages 1267-1279 doi: 10.1007/s11705-022-2291-7

Abstract: due to the huge steric hindrance caused by the hydrogenated phenanthrene ring structure, the cross-linkgood self-healing properties, excellent heat resistance (T_d = 352 °C) as well as highditerpene structure of rosin was introduced into the side chain in order to avoid the reduction of cross-link

Keywords： vitrimers rosin catalyst-free high mechanical properties dynamic transesterification reaction

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Experimental investigation of multiphase flow behavior in drilling annuli using high speed visualization

Alap Ali ZAHID, Syed Raza ur REHMAN, Anwarul HASAN, S. RUSHD, Mohammad Azizur RAHMAN

Frontiers in Energy 2020, Volume 14, Issue 3, Pages 635-643 doi: 10.1007/s11708-018-0582-y

Abstract: Imaging with high definition video camera is an important technique to visualize the drilling conditionsin this kind of annular transportation were experimentally simulated and images were taken using a high

Keywords： visualization horizontal annulus hole cleaning multiphase flow image analysis flow regime

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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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Beijing Olympic Games hasten China’s first high-speed railway

Shen Zhiyun

Strategic Study of CAE 2008, Volume 10, Issue 8, Pages 4-11

Abstract:

The great meaning of construction of the first high speed railway acceleratedThe merits of rail transit and the key technologies of high-speed railway are specially introduced inThis paper acclaims the entering into high-speed railway age in China and calls for high quality buildingof the worldwide longest high-speed railway between Beijing and Shanghai.

Keywords： Beijing Olympic Games Beijing—Tianjin between city rail transit Beijing—Shanghai high-speed railway

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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 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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Comprehensive measurement and evaluation system of high-speed motorized spindle

Dashuai ZHOU, Liangsheng WU, Yichuan XIAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 263-269 doi: 10.1007/s11465-011-0217-z

Abstract: The high-speed motorized spindle is the most critical part and becoming more widely used in the machinetool at present, and its precision may affect the overall performance of high-speed cutting.Most of the studies on high-speed cutting are focused on the cutting force, the vibration of the spindleevaluate high-speed spindle is an imminence question of it because the comprehensive dynamic propertiesThis paper presents a comprehensive measurement and evaluation system of high-speed motorized spindle

Keywords： high-speed motorized spindle comprehensive prope rties evaluation system

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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