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Motion-based analysis for construction workers using biomechanical methods

Xincong YANG, Yantao YU, Heng LI, Xiaochun LUO, Fenglai WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 1, Pages 84-91 doi: 10.15302/J-FEM-2017004

Abstract: skeleton representation of human body, the workload and joint torques are rapidly and accurately evaluated based

Keywords： biomechanical method motion-based analysis construction worker muscular torques workload

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Measurement and analysis of typical motion error traces from a circular test

LI Xiaoli, LIU Huanlao

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2, Pages 146-150 doi: 10.1007/s11465-008-0033-2

Abstract: Based on the measured circular error, a combination of Fourier components is chosen to represent theThe typical motion errors represented by the corresponding Fourier components can thus be identified.

Keywords： machine compensation direction combination desired efficient

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Design and modeling of continuum robot based on virtual-center of motion mechanism

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0739-6

Abstract: The flexural virtual-center of motion (VCM) mechanism can be machined integrally, and this way eliminatesTherefore, a design method for continuum robots based on the VCM mechanism is proposed in this study.Furthermore, the motion performance of the designed continuum robot is evaluated.

Keywords： VCM mechanism continuum robot flexural joint pseudo-rigid body model cable-driven

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Design, analysis, and neural control of a bionic parallel mechanism

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 468-486 doi: 10.1007/s11465-021-0640-8

Abstract: The overall spatial motion performance of the parallel mechanism is improved by optimizing the structuralBased on this structure, the rhythmic motion of the parallel mechanism is obtained by supporting stateanalysis.rhythmic signals of the legs and generates the locomotion of the bionic parallel mechanism for different motion

Keywords： neural control behavior network rhythm motion pattern

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Motion capability analysis of a quadruped robot as a parallel manipulator

Jingjun YU,Dengfeng LU,Zhongxiang ZHANG,Xu PEI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 4, Pages 295-307 doi: 10.1007/s11465-014-0317-7

Abstract:

This paper presents the forward and inverse displacement analysis of a quadruped robot MANA as a parallelmanipulator in quadruple stance phase, which is used to obtain the workspace and control the motionThe inverse and forward displacement analysis of the parallel manipulator is carried out using the methodFinally, based on the inverse and forward kinematic model, two issues on obtaining the reachable workspaceof parallel manipulator and planning the motion of the body are implemented and verified by ADAMS simulation

Keywords： quadruped robot actuated joints selection kinematics analysis motion planning parallel manipulator

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A filtering-based bridge weigh-in-motion system on a continuous multi-girder bridge considering the influence

Hanli WU, Hua ZHAO, Jenny LIU, Zhentao HU

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5, Pages 1232-1246 doi: 10.1007/s11709-020-0653-0

Abstract: Bridge weigh-in-motion (BWIM) system as a high performance and cost-effective technology has been extensivelyILs) of a continuous multi-girder bridge were regarded as a reference to identify the vehicle weight based

Keywords： bridge weigh-in-motion continuous bridge fast Fourier transform influence line axle weight calculation

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Seismic ground motion analysis of Shanghai Pudong Airport site considering the effects of spatial correlation

JIANG Tong, CHEN Laiyun, XING Hailing, L? Xilin

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4, Pages 430-435 doi: 10.1007/s11709-007-0058-3

Abstract: The spatial correlation of seismic ground motion, as well as the amplification of soft alluvium and theThe surface ground motion was calculated under incidence of the spatially correlative seismic motionIn order to compare the effect of 2D irregular topography, the seismic response analysis of 1D modelinputs, as well as the horizontal and vertical uniform input are carried out for the seismic response analysisFinally, some characteristics of seismic ground motion calculated for previously mentioned cases are

Keywords： surface ground horizontal uniform Finally seismic ground correlative seismic

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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.A line graph method based on Grassmann line geometry is used to investigate the mobility characteristicsInput and output transmission singularity indices are defined based on the reciprocal product in screwtheory and the virtual coefficient by considering motion/force transmission performance.The 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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Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1, Pages 81-92 doi: 10.1007/s11465-012-0309-4

Abstract: After that, the non master/slave scheme is chosen for the motion planning, the non master/slave scheme

Keywords： complex curve seam two robots coordinated welding motion planning

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Piezoelectric film-actuated motion platform with high resolution

HUA Shunming, ZHANG Hongzhuang, CHENG Guangming, FAN Zunqiang, LIU Jianfang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3, Pages 265-269 doi: 10.1007/s11465-008-0041-2

Abstract: A piezoelectric film-actuated motion platform with high resolution, which can run in two directions withinOn the basis of the analysis of the working principle of a stick-slip mechanism, a mathematical modelExperiments of the motion performance and carrying ability on the prototype are conducted.

Keywords： mathematical stick-slip mechanism piezoelectric film-actuated analysis terrific

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Singularity and workspace analysis of three isoconstrained parallel manipulators with schoenflies motion

Po-Chih LEE, Jyh-Jone LEE

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2, Pages 163-187 doi: 10.1007/s11465-012-0324-5

Abstract:

This paper presents the analysis of three parallel manipulators with Schoenflies-motion.two limbs in structure and the end-effector has three DOFs (degree of freedom) in the translational motionand one DOF in rotational motion about a given direction axis with respect to the world coordinate systemto evaluate such kind of parallel robots for possible application in industry where pick-and-place motion

Keywords： parallel manipulator schoenflies motion kinematics singularity workspace performance index

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Detecting interaction/complexitywithin crowd movements using braid entropy Research Papers

Murat AKPULAT, Murat EKİNCİ

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6, Pages 849-861 doi: 10.1631/FITEE.1800313

Abstract:

The segmentation of moving and non-moving regions in an image within the field of crowd analysis isFor this purpose, the flow of motion in the image is primarily represented as a series of trajectories

Keywords： Crowd behavior Motion segmentation Motion entropy Crowd scene analysis Complexity detection Braid entropy

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Development of a masticatory robot using a novel cable-driven linear actuator with bidirectional motion

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0687-1

Abstract: A cable-driven linear actuator (CDLA) capable of bidirectional motion is proposed in this study to designa masticatory robot that can achieve increasingly human-like chewing motion.Stiffness analysis and performance experiment validate the CDLA’s efficiency, with its stiffness reachingdeveloped masticatory robot to verify whether the CDLA can help SMAR achieve a natural human-like chewing motion

Keywords： masticatory robot cable-driven linear actuator parallel robot stiffness analysis

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Synthesis of Intermittent-Motion Linkages with Slight Difference in Length Between Links

CHEN Xin-bo, YU Zhen

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1, Pages 76-79 doi: 10.1007/s11465-005-0007-6

Abstract:

The design of intermittent-motion linkages using traditional methods is usually complicated.In this paper, (1) a new method for realizing intermittent motion, using linkages with a slight differencein length between links, is studied; (2) some new types of intermittent-motion linkages and their softwarefor visual analysis and design are developed; and (3) influences of some design parameters on intermittent-motionResults confirmed that the theory and the software are useful, making the synthesis of intermittent-motion

Keywords： synthesis useful intermittent intermittent-motion traditional

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A Design of TMA Functions for New Submarine Combat System

Ren Keming,Pan Yue,Wang Yan

Strategic Study of CAE 1999, Volume 1, Issue 3, Pages 31-34

Abstract:

This paper overviews a few methods of TMA (target motion analysis), such as only bearing TMA, multipleIt will serve better in tactical decision making and provide more accurate results of target motion parametersmanual TMA function, and designed a display on which the operator can easyly observe TMA output, target motion

Keywords： target motion analysis (TMA) submarine combat system display