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Toward autonomous mining: design and development of an unmanned electric shovel via point cloud-based

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0686-2

Abstract: Initially, the point cloud of the material surface is collected and reconstructed by polynomial responseThen, by establishing the dynamical model of the UES, a point to point (PTP) excavation trajectory planning

Keywords： autonomous excavation     unmanned electric shovel     point cloud     excavation trajectory planning    

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A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5,   Pages 422-434 doi: 10.1631/FITEE.1500316

Abstract: the same model, and two contours which belong to the same view at different times, corresponding to pointThe framework formulates the interpolation of two models as point cloud transport rather than non-rigidOur framework speeds up the reconstruction of a dynamic scene while improving the accuracy of point-pairingWe obtain a higher frame rate, spatio-temporal-coherence, and a quasi-dense point cloud sequence with

Keywords： Multi-view video     Free-viewpoint video     Point-pair     Multiscale-contour-based interpolation     Spatio-temporal-contour     Consistency     Time-varying point cloud sequence    

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Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 594-606 doi: 10.1631/FITEE.14a0260

Abstract: most bionic robots can use only small light-weight laser scanners and cameras to acquire semi-dense pointof semi-dense point cloud and RGB images.The method contains two main steps: (1) generate a dense surface for every single scan of point cloudIn step (1) edge-aware resampling is realized by segmenting the scan of a point cloud in advance andresampling each sub-cloud separately.

Keywords： Bionic robot     Robotic mapping     Surface fusion    

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Three-dimensional face point cloud hole-filling algorithm based on binocular stereo matching and a B-spline Research Articles

Yuan HUANG, Feipeng DA,whhbb@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 3,   Pages 398-408 doi: 10.1631/FITEE.2000508

Abstract: When obtaining three-dimensional (3D) face point cloud data based on structured light, factors relatedThe algorithm uses phase information acquired during raster projection to locate holes in the point cloud, simultaneously extracting boundary point cloud sets.By registering the face point cloud data using the stereo-matching algorithm and the data collected usingThis approach also effectively supplements the hole information, and the patched point cloud is closer

Keywords： Three-dimensional (3D) point cloud     Hole filling     Stereo matching     B-spline    

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Two-phase Partitioning Bioreactor, Application of Cloud Point System in Bioconversion

Wang Zhilong

Strategic Study of CAE 2005, Volume 7, Issue 5,   Pages 73-78

Abstract: The practical potential of cloud point system as a novel two-phase partitioning bioreactor is illustrated

Keywords： two-phase partitioning     bioconversion     nonionic surfactant     cloud point system     bioreactor    

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Two-sided ultrasonic surface rolling process of aeroengine blades based on on-machine noncontact measurement

Shulei YAO, Xian CAO, Shuang LIU, Kaiming ZHANG, Xiancheng ZHANG, Congyang GONG, Chengcheng ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 240-255 doi: 10.1007/s11465-019-0581-7

Abstract: Second, a 3D scanning system is used to obtain the point cloud of the blade, and a series of point cloudprocessing steps is performed.A local point cloud automatic extraction algorithm is introduced to extract the point cloud of the strengthenedThen, the tool path is designed on the basis of the extracted point cloud.

Keywords： aeroengine blades     on-machine noncontact measurement     point cloud processing     path planning     surface strengthening    

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Isogeometric analysis based on geometric reconstruction models

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 782-797 doi: 10.1007/s11465-021-0648-0

Abstract: The CAD model is represented by boundary polygons or point cloud and is embedded into a regular backgroundthat the proposed method can deal with complex engineering parts reconstructed by boundary polygons or point

Keywords： isogeometric analysis     reconstruction model     level set function     trimmed element     point cloud    

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Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 360-364 doi: 10.1007/s11465-008-0084-4

Abstract: determined by analyzing the fundamental frequency; meanwhile, according to hamming testing method of multi-pointexcitation to the single-point response, and by signal processing technology and its software programming

Keywords： multi-point excitation     rectangle-plate     single-point     processing technology     trigonometric interpolation    

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A novel PV sub-module-level power-balancing topology for maximum power point tracking under partial shading Article

Mustafa GOKDAG,Mehmet AKBABA

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 12,   Pages 1388-1396 doi: 10.1631/FITEE.1500322

Abstract: Partial shading and mismatch conditions among the series-connected modules/sub-modules suffer from a nonconvex power curve with multiple local maxima and decreased peak power for the whole string. Energy transfer between the sub-modules brings them to the same operating voltage, and this collective operation produces a convex power curve, which results in increased peak power for the string. The proposed topology benefits from the switched-capacitor (SC) converter concept and is an applica-tion for sub-module-level power balancing with some novelties, including stopping the switching in absence of shading, string-level extension, and a reduced number of power electronics components as compared to those in the literature. Reduction in the number of power electronics components is realized by the fact that two sub-modules share one SC converter. This leads to reduced power electronics losses as well as less cost and volume of the converter circuit. Insertion loss analysis of the topology is presented. The proposed topology is simulated in the PSpice environment, and a prototype is built for experimental verification. Both simulation and experimental results confirm the loss analysis. This proves that with the proposed topology it is possible to extract almost all the power available on the partially shaded string and transfer it to the load side.

Keywords： Sub-module-level maximum power point tracking (MPPT)     Differential power processing (DPP)     Distributed    

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Dynamic modeling and damage analysis of debris cloud fragments produced by hypervelocity impacts viaimage processing Research Article

Ru ZENG, Yan SONG, Weizhen LV,zengru_neo@163.com,sonya@usst.edu.cn,hala_lwz@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 4,   Pages 555-570 doi: 10.1631/FITEE.2100049

Abstract: The aim is to extract the target movement parameters of a debris cloud from the acquired shadowgraphs

Keywords： Debris clouds     Hypervelocity impact     Image processing     Damage estimation    

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IN2CLOUD: A novel concept for collaborative management of big railway data

Jing LIN, Uday KUMAR

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 428-436 doi: 10.15302/J-FEM-2017048

Abstract: Therefore, we promote a novel concept called “IN2CLOUD,” which comprises three sub-concepts, to addressthis challenge: 1) A hybrid cloud, 2) an intelligent cloud with hybrid cloud learning, and 3) collaborativemanagement using asset-related data acquired from the intelligent hybrid cloud.IN2CLOUD will help the movement of railway industry systems from “local” to “global” optimization inThe development of cutting-edge intelligent hybrid cloud-based solutions, including information technology

Keywords： railway     intelligent asset management     collaborative learning     big data     hybrid cloud     Bayesian    

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Enhanced Autonomous Exploration and Mapping of an Unknown Environment with the Fusion of Dual RGB-D Sensors Article

Ningbo Yu, Shirong Wang

Engineering 2019, Volume 5, Issue 1,   Pages 164-172 doi: 10.1016/j.eng.2018.11.014

Abstract: and depth information on the environment, thereby enabling the generation of a three-dimensional (3D) pointcloud map that is intuitive for human perception.With the synchronized and processed RGB-D data, location points were generated and a 3D point cloud map

Keywords： Autonomous exploration     Red/green/blue-depth     Sensor fusion     Point cloud     Partial map simulation     Global    

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Toward resilient cloud warehousing via a blockchain-enabled auction approach

Frontiers of Engineering Management   Pages 20-38 doi: 10.1007/s42524-022-0224-2

Abstract: Cloud warehousing service (CWS) has emerged as a promising third-party logistics service paradigm driven

Keywords： resilient cloud warehousing     blockchain technology     floating billing management system     auction mechanism    

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Microphysical parameters retrieval by cloud radar and comparing with aircraft observation in stratiformcloud

Liping,Zong Rong,Qi Yanbin,Liu Jian

Strategic Study of CAE 2012, Volume 14, Issue 9,   Pages 64-71

Abstract: text-align: justify;">The relationships among reflectivity, velocity and spectrum width of stratiform cloudare simulated, and the availability of cloud radar data are analyzed.The reflectivity, velocity and spectrum width observed by cloud radar in vertical observation model areThe mean drop size, toll drop number and liquid water contend have obvious variations from cloud topThe microphysical parameters retrieved by cloud radar have similar range with that by aircraft.

Keywords： microphysical parameters of cloud and precipitation     cloud radar and aircraft observations     terminal    

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Research of trust valuation based on cloud model

Lu Feng,Wu Huizhong

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 84-90

Abstract: discusses the co-existence and integration of fuzziness and randomness of trust relation, analyzes the ways cloudmodels describe uncertain concepts and the algorithms cloud models transform between qualitative conceptsand their quantitative expressions, and presents trust cloud, a trust evaluation model based on cloud

Keywords： trust valuation     trust model     cloud model     cloud generator    

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Title Author Date Type Operation

Toward autonomous mining: design and development of an unmanned electric shovel via point cloud-based

Journal Article

A multiscale-contour-based interpolation framework for generating a time-varying quasi-dense point cloud

Chu-hua HUANG,Dong-ming LU,Chang-yu DIAO

Journal Article

Building a dense surface map incrementally from semi-dense point cloud andRGBimages

Qian-shan LI,Rong XIONG,Shoudong HUANG,Yi-ming HUANG

Journal Article

Three-dimensional face point cloud hole-filling algorithm based on binocular stereo matching and a B-spline

Yuan HUANG, Feipeng DA,whhbb@163.com

Journal Article

Two-phase Partitioning Bioreactor, Application of Cloud Point System in Bioconversion

Wang Zhilong

Journal Article

Two-sided ultrasonic surface rolling process of aeroengine blades based on on-machine noncontact measurement

Shulei YAO, Xian CAO, Shuang LIU, Kaiming ZHANG, Xiancheng ZHANG, Congyang GONG, Chengcheng ZHANG

Journal Article

Isogeometric analysis based on geometric reconstruction models

Journal Article

Fundamental frequency and testing mode of complicated elastic clamped-plate vibration

QI Hongyuan, GUAN Yiduo

Journal Article

A novel PV sub-module-level power-balancing topology for maximum power point tracking under partial shading

Mustafa GOKDAG,Mehmet AKBABA

Journal Article

Dynamic modeling and damage analysis of debris cloud fragments produced by hypervelocity impacts viaimage processing

Ru ZENG, Yan SONG, Weizhen LV,zengru_neo@163.com,sonya@usst.edu.cn,hala_lwz@163.com

Journal Article

IN2CLOUD: A novel concept for collaborative management of big railway data

Jing LIN, Uday KUMAR

Journal Article

Enhanced Autonomous Exploration and Mapping of an Unknown Environment with the Fusion of Dual RGB-D Sensors

Ningbo Yu, Shirong Wang

Journal Article

Toward resilient cloud warehousing via a blockchain-enabled auction approach

Journal Article

Microphysical parameters retrieval by cloud radar and comparing with aircraft observation in stratiformcloud

Liping,Zong Rong,Qi Yanbin,Liu Jian

Journal Article

Research of trust valuation based on cloud model

Lu Feng,Wu Huizhong

Journal Article