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Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 798-813 doi: 10.1007/s11465-021-0645-3

Abstract: in limited three-dimensional space is a typical nondeterministic polynomial hard problem, where the parallellayout of pipes plays an important role in improving the utilization of layout space, facilitating pipeThis paper presents an automatic multiple pipe routing method for aero-engine that focuses on parallellayout.Furthermore, to eliminate the minor angle deviation of parallel pipes that would cause assembly stress

Keywords： multiple pipe routing     optimization algorithm     aero-engine     pipe grouping     parallel layout    

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Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1131-1151 doi: 10.1007/s11709-020-0660-1

Abstract: This paper presents a developed meta-heuristic algorithm to optimize the shear walls of tall reinforced concrete buildings. These types of walls are considered as lateral resistant elements. In this paper, Quantum Charged System Search (QCSS) algorithm is presented as a new optimization method and used to improve the convergence capability of the original Charged System Search. The cost of tall building is taken as the objective function. Since the design of the lateral system plays a major role in the performance of the tall buildings, this paper proposes a unique computational technique that, unlike available works, focuses on structural efficiency or architectural design. This technique considers both structural and architectural requirements such as minimum structural costs, torsional effects, flexural and shear resistance, lateral deflection, openings and accessibility. The robustness of the new algorithm is demonstrated by comparing the outcomes of the QCSS with those of its standard algorithm.

Keywords： Quantum Charged System Search     shear wall     layout optimization     tall buildings    

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Performance evaluation of waste electrical and electronic equipment disassembly layout configurations

Ozan Capraz, Olcay Polat, Askiner Gungor

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0992-9

Abstract: This study aims to evaluate alternative layout configurations for WEEE disassembly systems (WDS).

Keywords： WEEE     Recovery     Disassembly     Layout planning     Simulation    

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The theory and practice for observing design layout of Southwest China vortex atmospheric scientific

Li Yueqing,Xu Xiangde,Zhao Xingbing

Strategic Study of CAE 2012, Volume 14, Issue 9,   Pages 35-45

Abstract: The design principle and technological way for the observing layout of Southwest China vortex atmosphericAccording to this, the observing layout engineering of Southwest China vortex atmospheric scientificin the summer of 2010 and 2011, and from this, the validity was emphasized for the observing design-layoutatmospheric scientific experiment,it further points out the importance of strengthing the observing design-layout

Keywords： Southwest China vortex     scientific experiment     observational basis     design-layout technology    

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the pre-grouting effect on the stability of tunnels excavated in fault zones with discontinuity layout

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1393-1404 doi: 10.1007/s11709-019-0563-1

Abstract: To address these questions, we apply a recently proposed numerical approach known as discontinuity layout

Keywords： pre-grouting     stability analysis     factor of safety     discontinuity layout optimization    

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Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 344-353 doi: 10.1007/s11465-011-0227-x

Abstract:

The motion dynamics and accuracy of parallel kinematic machines largely depend on the weights andwork employs the techniques of topology and size optimization to design two typical rigid links of a parallel

Keywords： topology optimization     size optimization     parallel kinematic machine (PKM)    

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Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 451-467 doi: 10.1007/s11465-021-0634-6

Abstract: A redundantly actuated parallel manipulator (RAPM) with mixed translational and rotational degrees of

Keywords： redundant actuation     parallel manipulator     linkage–cam mechanism     Jacobian     optimal design    

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Intelligent Layout Optimization Systems of Truss Structure

Li Hao,Hu Yunchang,Cao Hongfeng

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 75-79

Abstract:

Intelligent layout optimization system of truss structures, based on fuzzy, neural network, and chaosA new layout optimization model is formed. This system takes on intelligent and adaptive.whole optimization programming including automatically creating of ground structure of trusses and layoutIt is showed by an example that this system is stable and the final layout optimization result is reliable

Keywords： layout optimization     intelligent     optimization systems     adaptive    

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Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 82-88 doi: 10.1007/s11465-007-0014-x

Abstract: The variables of the main module of a servo system for miniature reconfigurable parallel mechanism were

Keywords： acceleration     reconfigurable parallel     additive     sequence     parallel mechanism    

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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: Most parallel manipulators have multiple solutions to the direct kinematic problem.study investigates the cusp points and assembly changing motions in a two degrees of freedom planar parallel

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

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A rolling 3-UPU parallel mechanism

Zhihuai MIAO, Yan’an YAO, Xianwen KONG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 340-349 doi: 10.1007/s11465-013-0282-6

Abstract:

A novel rolling mechanism is proposed based on a 3-UPU parallel mechanism in this paper.

Keywords： parallel mechanism     rolling mechanism     screw theory    

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New kind of subarea-parallel scanning mode for laser metal deposition shaping

BIAN Hongyou, LIU Weijun, ZHAO Jibin

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 417-422 doi: 10.1007/s11465-007-0071-1

Abstract: A new kind of subarea-parallel scanning mode for LMDS based on a subdividing profiled outline into monotonousSecond, the parallel scanning paths of all monotonous polygon subareas are finished, which diminishes

Keywords： scanning     parallel scanning     practical application     fabrication efficiency     LMDS    

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Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 120-129 doi: 10.1007/s11465-014-0300-3

Abstract:

In this paper, error modeling and analysis of a typical 3-degree of freedom translational Parallel X, Y and Z directions for a set of dimensions of the parallelAn attempt is made to find the optimal dimensions of the Parallel Kinematic Machine using Genetic Algorithmsmethodology presented and the results obtained are useful for predicting the performance capability of the Parallel

Keywords： translational Parallel Kinematic Machine     error modeling     global error transformation index    

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Elevated temperature creep model of parallel wire strands

Frontiers of Structural and Civil Engineering   Pages 1060-1071 doi: 10.1007/s11709-023-0981-y

Abstract: Parallel wire strands (PWSs), which are widely used in prestressed steel structures, are typically in

Keywords： parallel wire strands     experimental study     elevated temperature creep model    

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A comprehensive analysis of a 3-P (Pa) S spatial parallel manipulator

Yuzhe LIU,Liping WANG,Jun WU,Jinsong WANG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 7-19 doi: 10.1007/s11465-015-0324-3

Abstract:

In this paper, a novel 3-degree of freedom (3-DOF) spatial parallel kinematic machine (PKM) is analyzed

Keywords： parallel mechanism     concomitant motions     kinematics     workspaces     error model    

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Title Author Date Type Operation

Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Journal Article

Shear wall layout optimization of tall buildings using Quantum Charged System Search

Siamak TALATAHARI, Mahdi RABIEI

Journal Article

Performance evaluation of waste electrical and electronic equipment disassembly layout configurations

Ozan Capraz, Olcay Polat, Askiner Gungor

Journal Article

The theory and practice for observing design layout of Southwest China vortex atmospheric scientific

Li Yueqing,Xu Xiangde,Zhao Xingbing

Journal Article

the pre-grouting effect on the stability of tunnels excavated in fault zones with discontinuity layout

Xiao YAN, Zizheng SUN, Shucai LI, Rentai LIU, Qingsong ZHANG, Yiming ZHANG

Journal Article

Structural optimization of typical rigid links in a parallel kinematic machine

Xinjun LIU, Zhidong LI, Xiang CHEN

Journal Article

Optimal design of a linkage–cam mechanism-based redundantly actuated parallel manipulator

Journal Article

Intelligent Layout Optimization Systems of Truss Structure

Li Hao,Hu Yunchang,Cao Hongfeng

Journal Article

Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Journal Article

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

Journal Article

A rolling 3-UPU parallel mechanism

Zhihuai MIAO, Yan’an YAO, Xianwen KONG

Journal Article

New kind of subarea-parallel scanning mode for laser metal deposition shaping

BIAN Hongyou, LIU Weijun, ZHAO Jibin

Journal Article

Error analysis and optimization of a 3-degree of freedom translational Parallel Kinematic Machine

S. SHANKAR GANESH,A. B. KOTESWARA RAO

Journal Article

Elevated temperature creep model of parallel wire strands

Journal Article

A comprehensive analysis of a 3-P (Pa) S spatial parallel manipulator

Yuzhe LIU,Liping WANG,Jun WU,Jinsong WANG

Journal Article