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An adaptive sliding mode control technology for weld seam tracking

Jie LIU,Youmin HU,Bo WU,Kaibo ZHOU,Mingfeng GE

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1, Pages 95-101 doi: 10.1007/s11465-015-0332-3

Abstract: novel adaptive sliding mode control algorithm is derived to deal with seam tracking control problem of weldingrobotic manipulator, during the process of large-scale structure component welding.

Keywords： weld seam tracking welding robotic manipulator adaptive control sliding mode control

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A systematic review of current and emergent manipulator control approaches

Syed Ali AJWAD,Jamshed IQBAL,Muhammad Imran ULLAH,Adeel MEHMOOD

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2, Pages 198-210 doi: 10.1007/s11465-015-0335-0

Abstract:

Pressing demands of productivity and accuracy in today’s robotic applications have highlightedThis recent trend is further justified by the fact that the robotic manipulators have complex nonlinearHighlighting the authors’ research achievements in the domain of manipulator design and control

Keywords： robot control robust and nonlinear control adaptive control intelligent control industrial manipulators robotic

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A Novel Tele-Operated Flexible Robot Targeted for Minimally Invasive Robotic Surgery Article

Zheng Li, Jan Feiling, Hongliang Ren, Haoyong Yu

Engineering 2015, Volume 1, Issue 1, Pages 73-78 doi: 10.15302/J-ENG-2015011

Abstract:

In this paper, a novel flexible robot system with a constrained tendon-driven serpentine manipulator

Keywords： surgical robot flexible manipulator tendon-driven minimally invasive robotic surgery

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ARC welding method for bonding steel with aluminum

Zhenyang LU, Pengfei HUANG, Wenning GAO, Yan LI, Hanpeng ZHANG, Shuyan YIN

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2, Pages 134-146 doi: 10.1007/s11465-009-0033-x

Abstract: When welding steel with aluminum, the appearance of intermetallic compounds of Fe and Al will decreaseA new type of low energy input (LEI) welding technology is introduced which can be used to weld steelUsing the technology, brazing was located on the steel side and arc fusion welding on the aluminum side

Keywords： joining of steel and aluminum low energy input welding arc welding fusion welding – brazing

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Precise semi-analytical inverse kinematic solution for 7-DOF offset manipulator with arm angle optimization

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 435-450 doi: 10.1007/s11465-021-0630-x

Abstract: Their configuration is similar to that of the experimental module manipulator (EMM) in the Chinese SpaceStation Remote Manipulator System.the analytical inverse kinematic solution for a non-offset spherical–roll–spherical (SRS) redundant manipulatorEMM is calculated in accordance with the relationship between the joint angles of the EMM and the SRS manipulator

Keywords： 7-DOF redundant manipulator inverse kinematics semi-analytical arm angle link offset

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Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll–pitch–yaw spherical

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4, Pages 698-710 doi: 10.1007/s11465-021-0646-2

Abstract: manipulators that can implement complex heavy-duty tasks in unstructured areas is increasing; however, current manipulatorThis study proposes a seven-degree-of-freedom (7-DOF) redundant anthropomorphic hydraulically actuated manipulatorThe 7-DOF manipulator is then designed, and its third joint axis goes through the spherical center to

Keywords： hydraulic manipulator inverse kinematic redundant design spherical wrist

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Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 219-228 doi: 10.1007/s11465-011-0218-y

Abstract:

The aim of the paper is to analyze the nonlinear dynamics of robotic arms with elastic links and jointsmodes and finite element methods as more convenient approaches for computing the nonlinear dynamic of robotic

Keywords： robotic arms elastic link elastic joint nonlinear dynamics optimal control

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Study of mechanism of activating flux increasing weld penetration of AC A-TIG welding for aluminum alloy

HUANG Yong, FAN Ding, FAN Qinghua

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4, Pages 442-447 doi: 10.1007/s11465-007-0076-9

Abstract: is over two times more than that of conventional TIG welding.Using A-TIG welding with the modes of alternating current (AC), direct current electrode negative (DCENAfter studied the effect of compelled arc con striction on weld penetration of AC welding, it is believedwere confirmed by TIG welding with helium shielding gas.During welding, the separate distribution of slag on the weld pool results in the great constriction

Keywords： A-TIG welding surface DCEN electrode negative increase

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Online Monitoring of Welding Status Based on a DBN Model During Laser Welding Article

Yanxi Zhang, Deyong You, Xiangdong Gao, Seiji Katayama

Engineering 2019, Volume 5, Issue 4, Pages 671-678 doi: 10.1016/j.eng.2019.01.016

Abstract: ), a spectrometer, and a photodiode are employed to capture insights into the high-power disc laser weldingBased on these real-time quantized features of the welding process, a deep belief network (DBN) is establishedto monitor the welding status.The established DBN model shows higher accuracy and robustness in monitoring welding status in comparisongeneralization ability of the proposed DBN are validated by three additional experiments with different welding

Keywords： Online monitoring Multiple sensors Wavelet packet decomposition Deep belief network

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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:

This paper focuses on the two-robot welding coordination of complex curve seam which means one robotMoreover, downhand welding is employed which can guarantee the torch and the seam keep in good contactcondition all the time during the welding.a Solidworks-SimMechanics simulation platform is established, and a simulation of curved steel pipe weldingThe results of the simulation illustrate the welding process can meet the requirements of downhand welding

Keywords： complex curve seam two robots coordinated welding motion planning

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Review on electromagnetic welding of dissimilar materials

K. SHANTHALA,T. N. SREENIVASA

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4, Pages 363-373 doi: 10.1007/s11465-016-0375-0

Abstract:

Electromagnetic welding (EMW) is a high-speed joining technique that is used to join similar or dissimilarIn this paper, the research and progress in electromagnetic welding are reviewed from various perspectives

Keywords： electromagnetic welding impact dissimilar materials

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Structure and performance of welding joint of Q235 steel welded by SHS welding

Junzhi HU, Sumei WANG, Xiaoli ZHAO, Shilin ZHU, Botao YU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2, Pages 189-193 doi: 10.1007/s11465-010-0003-3

Abstract: A self-propagating high-temperature synthesis (SHS) welding-pen that can weld steel workpiece from 6The structure and properties of the welding joint are studied.The result indicates that this type of welding is melting and the fusion zone is clear.The tensile-strength of the welding joint is 283 MPa, flexural strength is 628 MPa, impactThe mircohardness of the fusion zone and the welding line are higher than that of the matrix.

Keywords： self-propagating high-temperature synthesis (SHS) welding welding line structure and performance melting

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Processing parameter optimization of fiber laser beam welding using an ensemble of metamodels and MOABC

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0703-5

Abstract: In fiber laser beam welding (LBW), the selection of optimal processing parameters is challenging andplays a key role in improving the bead geometry and welding quality.metamodels (EMs) with the multi-objective artificial bee colony algorithm (MOABC) to identify the optimal weldingEM constructs the correlation between processing parameters (laser power, welding speed, and distance

Keywords： laser beam welding parameter optimization metamodel multi-objective

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A method to calculate working capacity space of multi-DOF manipulator and the application in excavating

Baochen WEI, Feng GAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 2, Pages 109-119 doi: 10.1007/s11465-012-0323-6

Abstract:

Working capacity refers to the velocity output and force output of a manipulator.

Keywords： working capacity multi-DOF manipulator capacity polytope excavating mechanism

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Factor Analysis of Lightweight Material Welding Workshop Intelligentization

Zhou Anliang and Wang Decheng

Strategic Study of CAE 2017, Volume 19, Issue 5, Pages 103-108 doi: 10.15302/J-SSCAE-2017.05.018

Abstract: strategic research on the following three dimensions: final purpose and demand of lightweight material weldingprocess digitization, eight basic factors that lightweight welding workshop intelligentization shouldsatisfy are obtained, including welding control management real-time transformation, quality controlwhile welding closed loop transformation, welding analysis datamation, welding technology analysis intelligentizationwelding production management digitization, and welding foundation database paperless transformation.

Keywords： welding technology welding workshop intelligentization lightweight material strategic research