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Development of Digital Airspace System

Zhu Yongwen, Chen Zhijie, Pu Fan, Wang Jialong

Strategic Study of CAE 2021, Volume 23, Issue 3, Pages 135-143 doi: 10.15302/J-SSCAE-2021.03.018

Abstract: To address the problems of and needs for airspace management, we propose a digital airspace system andreconstruction of airspace management.Furthermore, a set of control theories and methods for digital airspace management is developed.Large-scale computing technology is utilized for analyzing the operating structure and control mode of the digitalMoreover, we propose suggestions for the development of the digital airspace system in China.

Keywords： air traffic management digital airspace system digital grid delicacy airspace management

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Scientific and Technological Issues for the Intelligent Management of Air Traffic

Zhu Yongwen , Chen Zhijie , Pu Fan , Wang Qi

Strategic Study of CAE 2023, Volume 25, Issue 5, Pages 185-191 doi: 10.15302/J-SSCAE-2023.07.010

Abstract: analyzes the challenges faced by traditional air traffic management from the aspects of traffic control, airspaceinfrastructure, air– ground coordinated control of aircraft intervals based on acceptable risks, airspaceMoreover, it is suggested to integrate the application of satellite Internet, big data, digital twin,and build an intelligent management technology system for air traffic from the aspects of aircraft, airspace

Keywords： air traffic intelligent management artificial intelligence digital airspace air–ground autonomous

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Platform governance in the era of AI and the digital economy

Frontiers of Engineering Management 2023, Volume 10, Issue 1, Pages 177-182 doi: 10.1007/s42524-022-0241-1

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Revisiting digital twins: Origins, fundamentals, and practices

Frontiers of Engineering Management Pages 668-676 doi: 10.1007/s42524-022-0216-2

Abstract: The digital twins (DT) has quickly become a hot topic since it was proposed.

Keywords： virtual manufacturing digital twins modeling and simulation digitization computational engineering

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Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 569-575 doi: 10.1007/s11709-021-0735-7

Abstract: The wave of “digital age” featuring digital information is coming.Digital technology is profoundly changing the societal development direction and evolution paths.creation and adaptation of material space forms that integrate humanities, art, technology and materials, digitalThe result of this evolution is “digital urban design paradigm based on human-computer interaction”,

Keywords： digital age urban design multiple objectives human-computer interaction pan-dimensionality individual-ubiquity

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Embracing digital mindsets to ensure a sustainable future

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11783-024-1799-0

Keywords： Wildlife Climate Change Heavy metals Noise LAN Light pollution

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Design of a digital currency information system based on the UnionPay network

Hongfeng CHAI, Quan SUN, Yu ZHOU, Tao ZHU

Frontiers of Engineering Management 2020, Volume 7, Issue 4, Pages 471-484 doi: 10.1007/s42524-020-0134-0

Abstract: Digital currency can reduce the issuance and circulation costs of physical cash and improve the convenienceTherefore, digital currency has received widespread attention from central banks in recent years.system from three aspects, namely, digital currency account opening, exchange, and use, and furtherexpounds on the operation mechanism of a digital currency information system prototype.to realize the forward guidance function of the central bank digital currency.

Keywords： UnionPay network digital currency information system blockchain smart contracts

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Development of a novel two-stage proportional valve with a pilot digital flow distribution

Qiang GAO, Yuchuan ZHU, Changwen WU, Yulei JIANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2, Pages 420-434 doi: 10.1007/s11465-020-0622-2

Abstract: digitization of the traditional proportional valve, a novel two-stage proportional valve with a pilot digital

Keywords： two-stage proportional valve digital flow distribution high-speed on/off valve position tracking characteristic

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Three-scale stochastic homogenization of elastic recycled aggregate concrete based on nano-indentation digital

Chen WANG, Yuching WU, Jianzhuang XIAO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4, Pages 461-473 doi: 10.1007/s11709-017-0441-7

Abstract: elastic finite element analyses are made for recycled aggregate concrete (RAC) based on nano-indentation digitalmoduli of RAC at three different scales are obtained using moving window technique, nano-indentation digital

Keywords： RAC nano-indentation digital image multiscale microscopic randomness homogenization

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Assessing compressive strengths of mortar and concrete from digital images by machine learning techniques

Amit SHIULY; Debabrata DUTTA; Achintya MONDAL

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3, Pages 347-358 doi: 10.1007/s11709-022-0819-z

Abstract: samples were cut, and several images of the cut surfaces were captured at various zoom levels using a digitalmodels as an efficient means of estimating cement mortar and concrete compressive strengths based on digital

Keywords： support vector machine deep convolutional neural network microscope digital image curing period

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Digital microfluidics: A promising technique for biochemical applications

He WANG, Liguo CHEN, Lining SUN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4, Pages 510-525 doi: 10.1007/s11465-017-0460-z

Abstract:

Digital microfluidics (DMF) is a versatile microfluidics technology that has significant application

Keywords： digital microfluidics electrowetting on dielectric discrete droplet biochemistry

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Digital switched hydraulics

Min PAN, Andrew PLUMMER

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2, Pages 225-231 doi: 10.1007/s11465-018-0509-7

Abstract:

This paper reviews recent developments in digital switched hydraulics particularly the switched inertance

Keywords： digital hydraulics switched inertance hydraulic systems energy efficiency high-speed switching valve

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Digital twin-driven smart supply chain

Frontiers of Engineering Management 2022, Volume 9, Issue 1, Pages 56-70 doi: 10.1007/s42524-021-0186-9

Abstract: The digital twin (DT) concept satisfies these requirements.

Keywords： digital twin supply chain management

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A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Frontiers in Energy 2014, Volume 8, Issue 1, Pages 119-128 doi: 10.1007/s11708-013-0288-0

Abstract: A novel and simple control algorithm using digital signal processor (DSP) has been proposed and realizedThe simulation is conducted in MATLAB/SIMULINK while DSP TMS320LF2407 is employed in the digital implementation

Keywords： shunt active filter (SAF) power quality voltage source inverter (VSI) digital signal processor (DSP)

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M-LFM: a multi-level fusion modeling method for shape−performance integrated digital twin of complex

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0708-0

Abstract: As a virtual representation of a specific physical asset, the digital twin has great potential for realizingThis generation of dynamic stress concentration has hindered the exploitation of the digital twin tois interested in achieving real-time performance prediction of dynamic systems by developing a new digitalIn other words, the proposed framework can leverage the advantages of digital twins in a dynamic system: damage monitoring, safety assessment, and other aspects and then promote the development of digital

Keywords： shape−performance integrated digital twin (SPI-DT) multi-level fusion modeling (M-LFM) surrogate model