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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: The 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, 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 motionanalyzed, which lays the foundation on the gait planning in terms of locomotion and body kinematics analysisThe inverse and forward displacement analysis of the parallel manipulator is carried out using the methodkinematic model, two issues on obtaining the reachable workspace of parallel manipulator and planning the motion

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

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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: Sustaining awkward postures and overexertion are common factors in construction industry that result in work-related injuries of workers. To address there safety and health issues, conventional observational methods on the external causes are tedious and subjective, while the direct measurement on the internal causes is intrusive leading to productivity reduction. Therefore, it is essential to construct an effective approach that maps the external and internal causes to realize the non-intrusive identification of safety and health risks. This research proposes a theoretical method to analyze the postures tracked by videos with biomechanical models. Through the biomechanical skeleton representation of human body, the workload and joint torques are rapidly and accurately evaluated based on the rotation angles of joints. The method is then demonstrated by two case studies about (1) plastering and (2) carrying. The experiment results illustrate the changing intramuscular torques across the construction activities in essence, validating the proposed approach to be effective in theory.

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

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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.defined based on the reciprocal product in screw theory and the virtual coefficient by considering motionThe 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    

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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 eliminatesFurthermore, 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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Electrical Drive — an Interface Among Information, Power and motion

Ma Xiaoliang

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 83-86

Abstract:

Electrical drive is an interface among information, power and motion.

Keywords： electrical drive     interface     information     power     motion    

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Title Author Date Type Operation

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

LI Xiaoli, LIU Huanlao

Journal Article

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

Journal Article

Motion capability analysis of a quadruped robot as a parallel manipulator

Jingjun YU,Dengfeng LU,Zhongxiang ZHANG,Xu PEI

Journal Article

Motion-based analysis for construction workers using biomechanical methods

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

Journal Article

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

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

Journal Article

Analysis of the kinematic characteristics of a high-speed parallel robot with Schönflies motion: Mobility

Fugui XIE,Xin-Jun LIU

Journal Article

Offline motion planning and simulation of two-robot welding coordination

Tie ZHANG, Fan OUYANG

Journal Article

Piezoelectric film-actuated motion platform with high resolution

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

Journal Article

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

Po-Chih LEE, Jyh-Jone LEE

Journal Article

Detecting interaction/complexitywithin crowd movements using braid entropy

Murat AKPULAT, Murat EKİNCİ

Journal Article

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

Journal Article

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

CHEN Xin-bo, YU Zhen

Journal Article

A Design of TMA Functions for New Submarine Combat System

Ren Keming,Pan Yue,Wang Yan

Journal Article

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

Journal Article

Electrical Drive — an Interface Among Information, Power and motion

Ma Xiaoliang

Journal Article