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Materials Design on the Origin of Gap States in a High-κ/GaAs Interface Article

Weichao Wang,Cheng Gong,Ka Xiong,Santosh K.C.,Robert M. Wallace,Kyeongjae Cho

Engineering 2015, Volume 1, Issue 3,   Pages 372-377 doi: 10.15302/J-ENG-2015052

Abstract: However, upon interfacing with high dielectric constant (high-κ) dielectrics, the electron mobilityIII-V and Ge are two promising candidates with superior mobility over Si.Successful fabrication of a high-quality device critically depends on understanding and engineering thebonding configurations at Hf(Zr)O2/III-V(Ge) interfaces for the optimal design of device

Keywords： high-mobility device     high-&kappa     /III-V interface     interfacial gap states     first-principle calculations    

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Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 2,   Pages 135-143 doi: 10.1007/s11465-016-0389-7

Abstract:

This study introduces a high-speed parallel robot with Schönflies motion.This robot exhibits a promising prospect in realizing high-speed pick-and-place manipulation for packagingA line graph method based on Grassmann line geometry is used to investigate the mobility characteristicsThe mobility analysis, inverse kinematics modeling, and singularity analysis conducted in this study

Keywords： parallel robot     mobility     inverse kinematics     singularity     transmission performance    

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Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 328-337 doi: 10.1007/s11465-019-0574-6

Abstract: This study proposes a novel high-efficiency print forming method and device for multi-material castingThese processes can realize the high-efficiency print forming of high-performance sand molds.

Keywords： multi-material casting mold     3D printing     efficient print forming method    

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Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1068-1

Abstract:

Check-in and survey data are explored to identify personal activity-specific places.

Ways for detecting and moderating sample bias of Weibo check-in data is proposed.

A graphic representation of urban activity intensity in Beijing, China is presented.

The potential application of Weibo check-in data for urban analysis is introduced.

Keywords： Social media     Human mobility     Population bias     Sample reconstruction     Data integration    

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High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 487-503 doi: 10.1007/s11465-021-0635-5

Abstract: anti-disturbance performance of a gear-drive gyro-stabilized platform with a floating gear tension deviceThe tension device can provide a self-adjustable preload to eliminate the gap in the meshing process.the weaker gear support stiffness and more complex meshing friction are also induced by the tension devicedemonstrated by comparative experiments on a gear-drive pointing system with a floating gear tension device

Keywords： inertially stabilized platform     floating gear tension device     nonlinear friction     disturbance compensation    

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On the potential of iPhone significant location data to characterize individual mobility for air pollution

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1542-7

Abstract:

● We evaluated the accuracy of iPhone data in capturing time-activity patterns.

Keywords： Air pollution exposure     Human mobility     iPhone     Significant Location     Smartphone data    

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Conceptual design and kinematic analysis of a novel parallel robot for high-speed pick-and-place operations

Qizhi MENG, Fugui XIE, Xin-Jun LIU

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 211-224 doi: 10.1007/s11465-018-0471-4

Abstract: conceptual design, kinematic analysis and workspace identification of a novel four degrees-of-freedom (DOFs) high-speedcharacteristics of the robot’s DOFs, a line graph method based on Grassmann line geometry is adopted in mobility

Keywords： spatial parallel robot     pick-and-place operations     mobility analysis     kinematic modeling     workspace identification    

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A visual graphic approach for mobility analysis of parallel mechanisms

Xu PEI, Jingjun YU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 92-95 doi: 10.1007/s11465-011-0213-3

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Efficient detection methods for amplify-and-forward relay-aided device-to-device systems with full-rate Article

Kang-li ZHANG, Cong ZHANG, Fang-lin GU, Jian WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 788-795 doi: 10.1631/FITEE.1700018

Abstract: Relay-aided device-to-device (D2D) communication is a promising technology for the next-generation cellular

Keywords： Device-to-device     Relay     Detection     Full-rate space-time block code    

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Research on Active Handoff Mechanism in Micro-Mobility Protocols

Zhao Aqun

Strategic Study of CAE 2004, Volume 6, Issue 8,   Pages 50-56

Abstract:

Aiming at the disadvantages of current handoff mechanisms in micro-mobility protocols, active handoffThis mechanism takes advantage of mobility prediction technique to predict the next cell a mobile hostTo guarantee the implementation of active handoff mechanism, a mobility prediction algorithm is proposed

Keywords： micro-mobility protocols     active handoff mechanism     mobility prediction     performance evaluation    

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Erratum to: On the potential of iPhone significant location data to characterize individual mobility

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 9, doi: 10.1007/s11783-022-1556-1

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PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-020-1369-z

Abstract:

• Pt/CZL exhibits the optimum catalytic performance for HC and NOx elimination.

Keywords： Precious metal-loaded (Ce     Zr     La)O2 catalysts     Oxygen mobility     Catalytic performance    

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Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 747-764 doi: 10.1007/s11465-021-0644-4

Abstract: Transfemoral amputees (TAs) have difficulty in mobility during walking, such as restricted movement ofInspired by motion–energy coupling relationship of the knee, a wearable energy-damper clutched device

Keywords： hybrid transfemoral prosthetic mechanism     energy recycling     wearable mechanical clutched device     mechanical    

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Two-step gate-recess process combining selective wet-etching and digital wet-etching for InAlAs/InGaAs InP-based HEMTs Article

Ying-hui ZHONG, Shu-xiang SUN, Wen-bin WONG, Hai-li WANG, Xiao-ming LIU, Zhi-yong DUAN, Peng DING, Zhi JIN

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 8,   Pages 1180-1185 doi: 10.1631/FITEE.1601121

Abstract: A two-step gate-recess process combining high selective wet-etching and non-selective digital wet-etchingtechniques has been proposed for InAlAs/InGaAs InP-based high electron mobility transistors (HEMTs).High etching-selectivity ratio of InGaAs to InAlAs material larger than 100 is achieved by using mixtureThe two-step gate-recess etching technique has been successfully incorporated into device fabrication

Keywords： High electron mobility transistors (HEMTs)     Gate-recess     Digital wet-etching     Selective wet-etching    

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Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 347-354 doi: 10.15302/J-FASE-2015077

Abstract: The collection device is a core component of the baler.

Keywords： residual film     collection device     collection rate of residual film     impurity of film package     optimization    

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Title Author Date Type Operation

Materials Design on the Origin of Gap States in a High-κ/GaAs Interface

Weichao Wang,Cheng Gong,Ka Xiong,Santosh K.C.,Robert M. Wallace,Kyeongjae Cho

Journal Article

Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Journal Article

Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Journal Article

Social media and mobility landscape: Uncovering spatial patterns of urban human mobility with multi source

Yilan Cui, Xing Xie, Yi Liu

Journal Article

High-precision gyro-stabilized control of a gear-driven platform with a floating gear tension device

Journal Article

On the potential of iPhone significant location data to characterize individual mobility for air pollution

Journal Article

Conceptual design and kinematic analysis of a novel parallel robot for high-speed pick-and-place operations

Qizhi MENG, Fugui XIE, Xin-Jun LIU

Journal Article

A visual graphic approach for mobility analysis of parallel mechanisms

Xu PEI, Jingjun YU

Journal Article

Efficient detection methods for amplify-and-forward relay-aided device-to-device systems with full-rate

Kang-li ZHANG, Cong ZHANG, Fang-lin GU, Jian WANG

Journal Article

Research on Active Handoff Mechanism in Micro-Mobility Protocols

Zhao Aqun

Journal Article

Erratum to: On the potential of iPhone significant location data to characterize individual mobility

Journal Article

PM-support interfacial effect and oxygen mobility in Pt, Pd or Rh-loaded (Ce,Zr,La)O catalysts

Journal Article

Design method and verification of a hybrid prosthetic mechanism with energy-damper clutchable device

Journal Article

Two-step gate-recess process combining selective wet-etching and digital wet-etching for InAlAs/InGaAs InP-based HEMTs

Ying-hui ZHONG, Shu-xiang SUN, Wen-bin WONG, Hai-li WANG, Xiao-ming LIU, Zhi-yong DUAN, Peng DING, Zhi JIN

Journal Article

Experiment and optimal design of a collection device for a residual plastic film baler

Qi NIU,Xuegeng CHEN,Chao JI,Jie WU

Journal Article