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Parametric study on the Multangular-Pyramid Concave Friction System (MPCFS) for seismic isolation

Wei XIONG, Shan-Jun ZHANG, Li-Zhong JIANG, Yao-Zhuang LI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1152-1165 doi: 10.1007/s11709-020-0659-7

Abstract: conducted on a steel-frame structure Finite-Element (FE) model with the Multangular-Pyramid Concave Frictionparametric study with varying controlling parameters, such as isolation foundation, inclination angle, friction

Keywords： seismic isolation     variable frequency     near-fault earthquake     numerical study     Multangular-Pyramid ConcaveFriction System    

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Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots for aero-engine maintenance

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0756-0

Abstract: and morphology characterization methodology that comprehensively contains the effects of cable-hole frictionFirst, a novel cable-hole friction model with the variable friction coefficient and adaptive frictionSecond, the cable-hole friction, all-component gravities, deflection-induced center-of-gravity shift

Keywords： kinetostatic modeling     morphology characterization     variable friction     continuum robots     in-situ   

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Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 205-210 doi: 10.1007/s11709-007-0024-0

Abstract: decomposition (SVD) for general inverse matrices and the optimization algorithm are used to solve the channel frictionThe resolution and covariance friction inverse model in matrix form is developed to examine the reliability

Keywords： singular     SVD     second-order     covariance     Theoretical    

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Effects of leakage and friction on the miniaturization of a Wankel compressor

Yilin ZHANG, Wen WANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 83-92 doi: 10.1007/s11708-010-0125-7

Abstract: The discussion is related to the effect of leakage and friction on the design limit (cooling capacityThe largest friction originates from the clearance among the end face of the eccentric shaft, the end

Keywords： meso-scale     Wankel compressor     leakage     friction    

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A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 333-339 doi: 10.1007/s11465-013-0276-4

Abstract:

A novel multi-probe micro-fabrication apparatus was developed based on the friction-induced fabricationCombining the friction-induced scanning with selective etching in KOH solution, various micro-patternsefficiency fabrication device, the multi-probe micro-fabrication apparatus may encourage the development of friction-induced

Keywords： friction-induced fabrication     silicon     surface texture     friction     multi-probe    

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Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 29-32

Abstract:

Recently, scientists and engineers are interested in coefficients of static friction on micro andOn macro scale, the friction force is proportional to load, the apparent coefficients of static frictionHowever, a lot of experiments carried out with scanning microscope, atomic force microscope and frictionIn this paper, from the definition of differential coefficients of static friction, the expressions fordifferential and apparent coefficients of static friction, 〓 and 〓 for several models are deduced.

Keywords： differential coefficients of static friction     coefficients of static friction on micro or nano scale     apparentcoefficients of static friction     coefficients of static friction on macro scale    

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Mechanical design, modeling, and identification for a novel antagonistic variable stiffness dexterous

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0691-5

Abstract: This study traces the development of dexterous hand research and proposes a novel antagonistic variablefinger mechanism not only achieves passive compliance against physical impacts, but also implements the variable

Keywords： multifingered hand     mechanism design     robot safety     variable stiffness actuator    

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Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 306-312 doi: 10.1007/s11708-009-0067-0

Abstract: The effects of biofouling on air-side heat transfer and friction characteristics under wet conditionscondition of the biofouled area ratio of 60% at the inlet air velocity of 2.0m/s; The ranges of friction

Keywords： finned tube     evaporator     fouling     heat transfer     friction    

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Modeling of the minimum cutting thickness in micro cutting with consideration of the friction around

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 81-88 doi: 10.1007/s11465-019-0561-y

Abstract: Friction modeling between the tool and the workpiece plays an important role in predicting the minimumIn this study, a new three-region friction modeling is proposed to illustrate the material flow mechanismaround the friction zone in micro cutting; estimate the stress distributions on the rake, edge, andThe friction modeling is established by determining the distribution of normal and shear stress.Micro cutting experiments are conducted to validate the accuracy of the friction and the minimum cutting

Keywords： tool friction     minimum cutting thickness     finite element method     tool edge radius     micro cutting    

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Effect of variable heat capacities on performance of an irreversible Miller heat engine

Xingmei YE

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 280-284 doi: 10.1007/s11708-012-0203-0

Abstract: Based on the variable heat capacities of the working fluid, the irreversibility coming from the compressionMoreover, the influence of the compression and expansion efficiencies, the variable heat capacities and

Keywords： Miller cycle     variable heat capacity     irreversibility     parametric optimization    

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Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 393-397 doi: 10.1007/s11709-012-0174-6

Abstract: In this paper, a physical base friction test model of a slope is established.slope in both its natural state and during excavation loading is qualitatively analyzed through base frictionThe base friction test results are then subjected to comparison and analysis using finite element numerical

Keywords： base friction test     slope stability evaluation     bridge slope    

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A neural network-based production process modeling and variable importance analysis approach in corn

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 358-371 doi: 10.1007/s11705-022-2190-y

Abstract: In this paper, a neural network-based production process modeling and variable importance analysis approachUltimately, variable importance analysis is carried out by the extended weight connection method, and

Keywords： big data     corn to sugar factory     neural network     variable importance analysis    

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On the improvement design of dynamic characteristics for the roller follower of a variable-speed plate

Hui Ching FAN, Hong Sen YAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 5-15 doi: 10.1007/s11465-012-0310-y

Abstract:

Without modifying the cam contour, a cam mechanism with a variable input speed trajectory offers an

Keywords： cam mechanism     variable input speed     kinematic design     dynamic design     optimal design    

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Laboratory and field evaluation of asphalt pavement surface friction resistance

Zhong WU, Chris ABADIE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 372-381 doi: 10.1007/s11709-017-0463-1

Abstract:

Pavement surface friction is a significant factor for driving safety and plays a critical role inHowever, the current asphalt mixture design procedure does not directly consider friction as a requirementThe objective of this study was to develop a surface friction prediction model that can be used duringon twenty-two selected asphalt pavement sections using different in situ devices including Dynamic Frictionsuited in checking whether the selected aggregates in a wearing course mix design would meet field friction

Keywords： friction skid resistance     polishing     PSV     LWST     micro-texture     macro-texture    

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Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: Thus, this paper aims to design a novel variable stiffness actuator (VSA) that can provide safer physicalVSA follows the idea of modular design, mainly including a variable stiffness module and a drive moduleThe variable stiffness module transmits the motion from the drive module in a roundabout manner, makingAs the key component of the variable stiffness module, a stiffness adjustment mechanism with a symmetrical

Keywords： variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck    

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Title Author Date Type Operation

Parametric study on the Multangular-Pyramid Concave Friction System (MPCFS) for seismic isolation

Wei XIONG, Shan-Jun ZHANG, Li-Zhong JIANG, Yao-Zhuang LI

Journal Article

Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots for aero-engine maintenance

Journal Article

Analysis of nonlinear channel friction inverse problem

CHENG Weiping, LIU Guohua

Journal Article

Effects of leakage and friction on the miniaturization of a Wankel compressor

Yilin ZHANG, Wen WANG

Journal Article

A multi-probe micro-fabrication apparatus based on the friction-induced fabrication method

Zhijiang WU, Chenfei SONG, Jian GUO, Bingjun YU, Linmao QIAN

Journal Article

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Journal Article

Mechanical design, modeling, and identification for a novel antagonistic variable stiffness dexterous

Journal Article

Air-side heat transfer and friction characteristics of biofouled evaporator under wet conditions

Hui PU, Guoliang DING, Xiaokui MA, Haitao HU, Yifeng GAO,

Journal Article

Modeling of the minimum cutting thickness in micro cutting with consideration of the friction around

Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG

Journal Article

Effect of variable heat capacities on performance of an irreversible Miller heat engine

Xingmei YE

Journal Article

Study of base friction simulation tests based on a complicated engineered bridge slope

Liu HE, Guang WU, Hua WANG

Journal Article

A neural network-based production process modeling and variable importance analysis approach in corn

Journal Article

On the improvement design of dynamic characteristics for the roller follower of a variable-speed plate

Hui Ching FAN, Hong Sen YAN

Journal Article

Laboratory and field evaluation of asphalt pavement surface friction resistance

Zhong WU, Chris ABADIE

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article