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Cusp points and assembly changing motions in the PRR-PR-PRR planar parallel manipulator

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0743-x

Abstract: The ability to perform assembly changing motions has received the attention of a few researchers.This study investigates the cusp points and assembly changing motions in a two degrees of freedom planarEach root in the equation determines the assembly configuration, and four solutions are obtained forTwo assembly changing motions by encircling different cusp points are highlighted, for each pair of solutions

Keywords： planar parallel manipulator assembly changing motions cusp points quartic polynomial discriminant

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Self-motions of 3-RPS manipulators

Josef SCHADLBAUER, Manfred L. HUSTY, Stéphane CARO, Philippe WENGERY

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 1, Pages 62-69 doi: 10.1007/s11465-013-0366-3

Abstract: In this paper the algebraic description is used to give a complete analysis of all possible self-motions

Keywords： 3-RPS-manipulator singularity self-motion

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Assembly of biosynthetic pathways in

Lidan Ye,Xiaomei Lv,Hongwei Yu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1, Pages 126-132 doi: 10.1007/s11705-016-1597-8

Abstract: A robust and versatile tool for multigene pathway assembly is a key to the biosynthesis of high-valueelement replacement, shuttle plasmid, auxotrophic marker independence, GAL regulation, and decentralized assembly

Keywords： pathway assembly toolbox reiterative recombination S. cerevisiae biosynthesis

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A novel task-oriented framework for dual-arm robotic assembly task

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 528-545 doi: 10.1007/s11465-021-0638-2

Abstract: In industrial manufacturing, the deployment of dual-arm robots in assembly tasks has become a trend.planning with visual perception to facilitate robot deployment from perception to execution and finish assemblyThe assembly task and manipulation sequences can be obtained by analyzing and reasoning the state transitionNext, the corresponding assembly manipulation can be generated and parameterized according to the differences

Keywords： dual-arm assembly AI reasoning intelligent system task-oriented motion planning visual perception

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Pareto lexicographic α-robust approach and its application in robust multi objective assembly line balancing

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3, Pages 257-264 doi: 10.1007/s11465-014-0294-x

Abstract: an application of the proposed method on a simple problem of multi objective optimization of simple assembly

Keywords： Pareto lexicographic α-robust assembly line balancing

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Assembly design system based on engineering connection

Wensheng YIN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4, Pages 423-432 doi: 10.1007/s11465-016-0382-1

Abstract:

An assembly design system is an important part of computer-aided design systems, which are importantThe traditional assembly design system does not record the connection information of production on theAn assembly design model based on the relationship of engineering connection is presented.The model is an And/Or graph and has the ability to record all assembly schemes.Finally, VC++6.0 is used to develop a prototype system called Connect-based Assembly Planning (CAP).

Keywords： product design assembly design engineering connection assembly sequence planning

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Enzyme-instructed self-assembly of peptides containing phosphoserine to form supramolecular hydrogels

Jie Zhou, Xuewen Du, Jiaqing Wang, Natsuko Yamagata, Bing Xu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4, Pages 509-515 doi: 10.1007/s11705-017-1613-7

Abstract: Enzyme-instructed self-assembly (EISA) offers a facile approach to explore the supramolecular assemblies

Keywords： enzyme-instructed self-assembly phosphoserine phosphatase supramolecular hydrogel

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Research on changing operation mode for the large railway construction enterprise — taking China Tiesiju

Xu Baocheng

Strategic Study of CAE 2012, Volume 14, Issue 12, Pages 58-61

Abstract: Furthermore, the paper discusses about the changing operation mode of railway construction enterprise

Keywords： construction enterprise railway changing mode operation mode

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Assessment of bridge expansion joints using long-term displacement measurement under changing environmental

Youliang DING, Aiqun LI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3, Pages 374-380 doi: 10.1007/s11709-011-0122-x

Abstract: the problem of condition assessment of bridge expansion joints using long-term measurement data under changing

Keywords： structural health monitoring displacement expansion joint temperature effect wind effect traffic loading statistical process control suspension bridge

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Distinct community assembly processes underlie significant spatiotemporal dynamics of abundant and rare

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1513-4

Abstract:

• Season and landform influenced spatiotemporal patterns of abundant and rare taxa.

Keywords： Rare taxa Biogeography Community assembly Bacterioplankton The Yangtze River

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Research on constraint-based virtual assembly technologies

YANG Rundang, WU Dianliang, FAN Xiumin, YAN Juanqi

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2, Pages 243-249 doi: 10.1007/s11465-007-0043-5

Abstract: To realize a constraint-based virtual assembly operation, the unified representations of the assemblyFirst, the automatic recognition algorithm based on the assembly relation is used to determine the positionThese algorithms have been applied to the integrated virtual assembly environment (IVAE) system.supported constraint treatments in the IVAE and realized the closer combination of the virtual and the real assembly

Keywords： movement DOF recognition algorithm assembly orientation combination

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The construction of pseudo-Janus silica/surfactant assembly and their application to stabilize Pickering

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7, Pages 1101-1113 doi: 10.1007/s11705-021-2095-1

Abstract: Based on the emulsification experimental results, the interaction models and the self-assembly behaviorstudy could help to better understand the construction mechanism of pseudo-Janus silica/surfactant assembly

Keywords： Janus nanoparticles surfactant double phase inversion self-assembly enhanced oil recovery

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A survey on assembly lines and its types

Ullah SAIF,Zailin GUAN,Baoxi WANG,Jahanzeb MIRZA,Shiyang HUANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2, Pages 95-105 doi: 10.1007/s11465-014-0302-1

Abstract:

Assembly lines are useful for mass production of standard as well as customized products.A survey of different problems in different types of assembly lines and some of the critical and on goingThe provided research information is momentous for the research community in assembly line area to proceedfurther in the presented issues of assembly lines.

Keywords： assembly lines line balancing survey

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Differences in distributions, assembly mechanisms, and putative interactions of AOB and NOB at a large

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1722-0

Abstract:

● Nitrifiers in WWTP were investigated at large spatial scale.

Keywords： Activated sludge Spatial distributions Microbial assembly Co-occurrence patterns Nitrifying bacteria

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Product lifecycle-oriented virtual assembly technology

LIU Jian-hua, NING Ru-xin, YAO Jun, WAN Bi-le

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4, Pages 388-395 doi: 10.1007/s11465-006-0045-8

Abstract: VA (virtual assembly) provides a more efficient, intuitive and convenient method for assembly processBased on the analysis of the connotations of VA, a PLO-VATA (product lifecycle-oriented virtual assembly), assembly analysis and evaluation, virtual assembly model and virtual assembly toolkits.The key techniques of VA including virtual assembly model, virtual assembly analysis and evaluation,and virtual assembly process planning are discussed.

Keywords： integrated concurrence feasibility dispersive assembly technology