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Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 151-159 doi: 10.1007/s11465-011-0121-6

Abstract: Among three types of reconfigurations, namely, geometry morphing, topology morphing, and group morphinglast two reconfigurations, thereby advancing the current research that is mainly limited to geometry morphingTwo examples are provided, one showing the topology morphing and the other showing the group morphing

Keywords： reconfigurable parallel robot topology morphing group morphing

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Design and applications of morphing aircraft and their structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0750-6

Abstract: Morphing aircraft can adaptively regulate their aerodynamic layout to meet the demands of varying flightThe design and fabrication of high-performance, lightweight, and intelligent morphing structures haveFirst, some conventional mechanical morphing aircraft are examined with focus on their morphing modesadditive manufacturing for fabricating complex morphing structures, lattice technology for reducingstructural weight, and multi-mode morphing combined with flexible skins and foldable structures, are

Keywords： morphing aircraft additive manufacturing lattice structure smart material flexible structure flexible

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Design concepts of an aircraft wing: composite and morphing airfoil with auxetic structures

P R BUDARAPU,Sudhir Sastry Y B,R NATARAJAN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 394-408 doi: 10.1007/s11709-016-0352-z

Abstract: categorized into two parts. (1) A frame work to design the aircraft wing structure and (2) analysis of a morphingFurthermore, the discussed design principles in the first part are extended to the design of a morphingThe advantages of the morphing airfoil with auxetic structure are (i) larger displacement with limited

Keywords： wing design aerodynamic loads morphing airfoil auxetic structures negative Poisson’s ratio

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Structural design of morphing trailing edge actuated by SMA

Qi WANG, Zhiwei XU, Qian ZHU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3, Pages 268-275 doi: 10.1007/s11465-013-0261-y

Abstract:

In this paper, the morphing trailing edge is designed to achieve the up and down deflection underSMA specifications and layout programs, a solid model is created in CATIA and the structures of the morphingset of DSP measurement and control system is designed to accomplish the controlling experiment of the morphingdeflection error is less than 4% and response time is less than 6.7 s, the precise controlling of the morphing

Keywords： morphing wing trailing edge shape memory alloy digital signal processor PID algorithm

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Deformation analysis of shape memory polymer for morphing wing skin under airflow

Weilong YIN, Jingcang LIU, Jinsong LENG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4, Pages 447-449 doi: 10.1007/s11465-009-0062-5

Abstract: The method for analyzing the out-of-plane deformation of a flexible skin under airflow is developed in this paper. The aerodynamic analysis is performed using the CFD software, and the structural analysis is performed using finite element method. The chief aim of the present study is to investigate the out-of-plane deformation of the shape memory polymer (SMP) skin at different temperatures. Numerical results show that the maximum out-of-plane displacement of the SMP skin increases with increasing temperature. When the SMP skin is heated to 53°C, the maximum out-of-plane displacement is about 7 mm. It decreases by 72%, when the SMP skin is applied with a uniform pre-strain of 0.1.

Keywords： aircraft morphing skin shape memory polymer (SMP) deformation pre-strain

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Kinematical synthesis of an inversion of the double linked fourbar for morphing wing applications

J. AGUIRREBEITIA, R. AVILéS, I. FERNáNDEZ, M. ABASOLO

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1, Pages 17-32 doi: 10.1007/s11465-013-0364-5

Abstract:

This paper presents the kinematical features of an inversion of the double linked fourbar for morphing

Keywords： morphing wing structural synthesis dimensional synthesis geometrical kinematics

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Deformation characteristics of corrugated composites for morphing wings

Ruijun GE, Bangfeng WANG, Changwei MOU, Yong ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1, Pages 73-78 doi: 10.1007/s11465-009-0063-4

Abstract: To meet the needs of morphing and withstand aerodynamic loads of a morphing wing skin, a corrugated glassThe corrugated composite can provide a possible choice for morphing wing skin.

Keywords： corrugated composites deformation characteristic numerical analysis experiment

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A review of intelligent optimization for group scheduling problems in cellular manufacturing

Frontiers of Engineering Management Pages 406-426 doi: 10.1007/s42524-022-0242-0

Abstract: Given that group technology can reduce the changeover time of equipment, broaden the productivity, andenhance the flexibility of manufacturing, especially cellular manufacturing, group scheduling problemsproduction cells in view of major setup times between groups and the other is how to schedule jobs in each groupoutlooks are given for outspread problems and problem algorithms for future research in the fields of group

Keywords： cellular manufacturing group scheduling flowshop literature review

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Emergence mechanisms of group consensus in social networks

Frontiers of Engineering Management doi: 10.1007/s42524-023-0277-x

Abstract: This article redefines group consensus as the emergence of collective intelligence resulting from self-organizingactions and interactions of individuals within a social network group.In our exploration of extant research on group consensus, we illuminate two frequently underestimatedThis process encompasses self-organized communication and interaction among group members, collectivelyguiding the group towards cognitive convergence and viewpoint integration.

Keywords： group consensus social network collective intelligence

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Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0733-z

Abstract: Carbon group nanofluids can further improve the friction-reducing and anti-wear properties of minimumHowever, the formation mechanism of lubrication films generated by carbon group nanofluids on MQL grindingThree kinds of carbon group nanoparticles, i.e., nanodiamond (ND), carbon nanotube (CNT), and grapheneUnder the nanofluid MQL condition, the carbon group nanoparticles further enhanced the tribological performance

Keywords： grinding minimum quantity lubrication carbon group nanofluid tribological mechanism

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An overview on the applications of the hesitant fuzzy sets in group decision-making: Theory, support

Zeshui XU, Shen ZHANG

Frontiers of Engineering Management 2019, Volume 6, Issue 2, Pages 163-182 doi: 10.1007/s42524-019-0017-4

Abstract: Thus, the HFS has its unique advantages in group decision making (GDM).

Keywords： hesitant fuzzy set hesitant fuzzy preference relation group decision-making

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Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8, Pages 1075-1084 doi: 10.1007/s11705-022-2272-x

Abstract: Inspired by the importance of the phenolic group to the electron transporting property of hole transportThe results showed that the phenolic group was boosted from 0.81 mmol∙g^–1 of LS to 1.19 mmolThe results indicate that the phenolic hydroxyl group of lignin can be easily boosted by the alkyl chain

Keywords： lignosulfonate phenolic group PEDOT:PLS hole extract layer energy level

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High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3, Pages 293-296 doi: 10.1007/s11465-007-0051-5

Abstract: the process of machining ultrathin metal structure parts, the signal composition of high frequency grouppulse, the influence of frequency to reverse current, and the design of the cathode in high frequency groupHigh frequency group pulse electrochemical machining can be successfully used in machining micro-parts

Keywords： HGPECM process machining quality passivation inter-electrode

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The Group Interaction Field for Learning and Explaining Pedestrian Anticipation

Xueyang Wang,Xuecheng Chen,Puhua Jiang,Haozhe Lin,Xiaoyun Yuan,Mengqi Ji,Yuchen Guo,Ruqi Huang,Lu Fang,

Engineering doi: 10.1016/j.eng.2023.05.020

Abstract: While group relationships and group interactions are ubiquitous and significantly influence pedestrianHere, we propose the group interaction field (GIF), a novel group-aware representation that quantifiesGIFNet quantifies the influence of group behaviors by formulating a group interaction graph with propagationand graph attention that is adaptive to the group size and dynamic interaction states.the GIF effectively represents the change in pedestrians’ anticipation under the prominent impact of group

Keywords： Human behavior modeling and prediction Implicit representation of pedestrian anticipation Group interaction

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Group III metabotropic glutamate receptors and drug addiction

Limin Mao, Minglei Guo, Daozhong Jin, Bing Xue, John Q. Wang

Frontiers of Medicine 2013, Volume 7, Issue 4, Pages 445-451 doi: 10.1007/s11684-013-0291-1

Abstract: Accumulating data have demonstrated roles of ionotropic glutamate receptors and group I and II metabotropicEmerging evidence also identifies Gαi/o-coupled group III mGluRs (mGluR4/7/8 subtypes enrichedcommon addictive drugs, such as psychostimulants (cocaine and amphetamine), alcohol and opiates, limbic groupAs a result, a loss-of-function mutation (knockout) of individual group III receptor subtypes often promotesThis review summarizes the data from recent studies on three group III receptor subtypes (mGluR4/7/8)

Keywords： group III metabotropic glutamate receptors cocaine amphetamine alcohol opiate