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3D Digital Terrain Modeling and Analysis in Water Resources and Hydropower Engineering

Zhong Denghua,Li Mingchao,Wang Gang,Guo Xiang,Wu Kangxin

Strategic Study of CAE 2005, Volume 7, Issue 7, Pages 65-70

Abstract: With the development of modern hydropower engineering, 3D digital terrain models have obtained wide applicationsof digital terrain, multiresolution model, terrain simplification and terrain reality.Based on the example of Jinping first-level hydropower engineering, the TIN model in the dam area andthe multiresolution model in the region of general layout were realized using Delaunay algorithm andmodel based on TIN model.

Keywords： digital terrain model triangulated irregular network level of details NURBS technique water resources

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Contact detection with multi-information fusion for quadruped robot locomotion under unstructured terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0760-4

Abstract: of contact detection for quadruped robots, a detection approach based on the probabilistic contact modelThe overall contact states are obtained by the classification of the model-based predicted probabilitiesThe probabilistic model parameters are determined by testing on the single-leg experimental platform.Compared with the body orientation under the time-based control method regardless of terrain, the root

Keywords： multi-information fusion contact detection quadruped robot probabilistic contact model unstructuredterrain

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Digital twin-assisted gearbox dynamic model updating toward fault diagnosis

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-023-0748-0

Abstract: One of the core challenges of intelligent fault diagnosis is that the diagnosis model requires numerousGenerating training data using a virtual model is a potential solution for addressing such a problem,and the construction of a high-fidelity virtual model is fundamental and critical for data generationIn this study, a digital twin-assisted dynamic model updating method for fault diagnosis is thus proposedhelical gearbox; the virtual data generated by this model can be used for gear fault diagnosis.

Keywords： digital twin gearbox model construction model updating physical–virtual interaction

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Enhancing the terrain adaptability of a multirobot cooperative transportation system via novel connectors

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0754-2

Abstract: Given limited terrain adaptability, most existing multirobot cooperative transportation systems (MRCTSsThis study proposes a novel MRCTS based on tracked mobile robots (TMRs) to improve terrain adaptability

Keywords： multirobot system cooperative transportation terrain adaptability trajectory tracking collaborative

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Footholds optimization for legged robots walking on complex terrain

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0742-y

Abstract: The algorithm can efficiently run onboard and online by using terrain perception information to protecttripping on the edge of obstacles, and to improve its stability and safety when walking on complex terrainBy relying on the depth camera installed on the robot and obtaining the terrain heightmap, the algorithmthe algorithm on a hexapod robot, and verified its feasibility in a walking experiment on a complex terrain

Keywords： footholds optimization legged robot complex terrain adapting hexapod robot locomotion control

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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

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Terrain classification and adaptive locomotion for a hexapod robot Qingzhui

Yue ZHAO, Feng GAO, Qiao SUN, Yunpeng YIN

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2, Pages 271-284 doi: 10.1007/s11465-020-0623-1

Abstract: A terrain classification and adaptive locomotion method for a hexapod robot named Qingzhui is proposedFirst, a force-based terrain classification method is suggested.is developed to control the robot, and the parameters of active compliance control change with the terrain

Keywords： terrain classification hexapod robot legged robot adaptive locomotion gait control

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Experimental research on micro-terrain exploring technology based on deep-ocean cobalt-rich crusts exploitation

Luo Bowen,Xia Yimin,Wang Tao,Bai Hongfeng,Wang Kezhi

Strategic Study of CAE 2010, Volume 12, Issue 9, Pages 78-83

Abstract: A single-beam swing ultrasonic micro-terrain detection method was proposed based on occurrence of cobalt

Keywords： cobalt-rich crusts ultrasonic micro-terrain windowed support vector

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Modeling technology digital geologic stratum body in the proportion of pinch in 3D GIS

Dong Zhi

Strategic Study of CAE 2010, Volume 12, Issue 2, Pages 76-82

Abstract: were used to reason and connect the formation of stratum automatically to generate three-dimensional model

Keywords： three-dimensional digital geologic model virtual borehole multi-proportion of pinch automatical modeling

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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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Design flood of ungauged basins based on DEM

Zhang Ting,Feng Ping

Strategic Study of CAE 2011, Volume 13, Issue 12, Pages 68-73

Abstract: taken for example to discuss the method of design flood calculation by means of combining the DEM (digitalelevation model) and the Xin'anjiang model (three components).The problem of estimating the parameters of the runoff model has been solved by using the parametersWith the establishment of the digital elevation model throughout the country, it is practically significant

Keywords： ungauged area design flood digital elevation model (DEM) isochrones

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Research and Application on Industrial Internet Ecosystem Model

Zhao Min , Liu Junyan , Zhu Duoxian

Strategic Study of CAE 2022, Volume 24, Issue 4, Pages 53-61 doi: 10.15302/J-SSCAE-2022.04.006

Abstract: Based on the DIKW model, this study proposes a digital BDIKW model.” The BDIKW model comprises a bit layer (B), digital data layer (D), digital information layerThe BDIKW model in the digital-knowledge dimension

Bits are digitallyThe BDIKW model explains and clarifies the working principle of digital transformation.Big data, AI, 5G, industrial software, digital twin, and other ICT elements also follow the BDIKW model

Keywords： industrial Internet ecosystem model digital intelligence flow dynamic value flow

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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.modeling and simulation practices of engineering informatization, including virtual manufacturing (VM), modelOn the basis of the two-element VM model, we propose a three-element model to represent DT.

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

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Uncertainty in Knowledge Representation

Li Deyi

Strategic Study of CAE 2000, Volume 2, Issue 10, Pages 73-79

Abstract: At this junction, this paper presents a new concept of cloud models with three digital characteristics

Keywords： knowledge representation qualitative concept uncertainty cloud model digital characteristics

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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