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cr0001铁杆木虫 (著名写手)
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[求助]
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文章名称：Overlapping model of beads and curve fitting of bead section for rapid manufacturing by robotic MAG welding process 期刊名称：Robotics and Computer-Integrated Manufacturing 发表时间： (26 November 2010) doi:10.1016/j.rcim.2010.11.002 作者： Yong Cao, Sheng Zhu [ Last edited by seapass on 2012-2-2 at 22:16 ] |
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hzwhut
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【答案】应助回帖
感谢参与，应助指数 +1
cr0001(金币+10): ★★★★★最佳答案 谢谢 2012-02-02 22:03:44
cr0001(金币+10): ★★★★★最佳答案 谢谢 2012-02-02 22:03:44
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SCI信息 FN Thomson Reuters Web of Knowledge VR 1.0 PT J AU Cao, Y Zhu, S Liang, XB Wang, WL AF Cao, Yong Zhu, Sheng Liang, Xiubing Wang, Wanglong TI Overlapping model of beads and curve fitting of bead section for rapid manufacturing by robotic MAG welding process SO ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING LA English DT Article DE Rapid prototyping; Metal arc gas; Bead profile model; Overlapping model ID METAL-DEPOSITION; DESIGN AB As a deposition technology, robotic metal active gas (MAC) welding has shown new promises for rapid prototyping (RP) of metallic parts. During the process of forming metal parts with the robotic MAC welding technology, the sectional geometry of single-pass bead and the overlap of the adjacent beads have critical effects on the dimensional accuracy and quality of metal parts. In this work, Canny edge detection of the robotic MAC beads was carried out and the data were smoothed with a Gaussian filter and fitted with Gaussian function, logistic function, parabola function and sine function, respectively. In addition, a mathematical model of bead section was developed to analyze the bead geometry. Based on "surfacing of equivalent area" method, the concept of overlapping coefficient and optimum-overlapping coefficient was put forward, and calculated model of overlapping was analyzed. Optimal overlapping coefficient was calculated to be 63.66% under experimental condition. The conclusion is that the edge detection of bead section with Canny operator is continuous and distinct, and as compared with Gaussian function, logistic function and parabola function, sine function has higher accuracy to fit the measured data, and "surfacing of equivalent area" method shows to be rational and feasible by the experiments. (c) 2010 Elsevier Ltd. All rights reserved. C1 [Cao, Yong; Zhu, Sheng; Liang, Xiubing; Wang, Wanglong] Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China. RP Cao, Y (reprint author), Acad Armored Forces Engn, Natl Key Lab Remfg, Beijing 100072, Peoples R China EM coyg74@live.cn FU National Natural Science Foundation of China[50735006]; Major State Basic Research Development Program of China[2007CB607601] FX The authors would like to give their gratitude to Mr. Wurikaixi Aiyiti and Wang Tao for technical support. This work was financially supported by the National Natural Science Foundation of China (Key Program: no. 50735006) and the Major State Basic Research Development Program of China (Project 2007CB607601). NR 29 TC 0 Z9 0 PU PERGAMON-ELSEVIER SCIENCE LTD PI OXFORD PA THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND SN 0736-5845 J9 ROBOT CIM-INT MANUF JI Robot. Comput.-Integr. Manuf. PD JUN PY 2011 VL 27 IS 3 BP 641 EP 645 DI 10.1016/j.rcim.2010.11.002 PG 5 WC Computer Science, Interdisciplinary Applications; Engineering, Manufacturing; Robotics SC Computer Science; Engineering; Robotics GA 728TV UT WOS:000287898300017 ER |
2楼2012-02-02 21:57:58
hzwhut
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【答案】应助回帖
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EI信息 Accession number: 20110613653253 Title: Overlapping model of beads and curve fitting of bead section for rapid manufacturing by robotic MAG welding process Authors: Cao, Yong1 ; Zhu, Sheng1 ; Liang, Xiubing1 ; Wang, Wanglong1 Author affiliation: 1 National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072, China Corresponding author: Cao, Y. (coyg74@live.cn) Source title: Robotics and Computer-Integrated Manufacturing Abbreviated source title: Rob Comput Integr Manuf Volume: 27 Issue: 3 Issue date: June 2011 Publication year: 2011 Pages: 641-645 Language: English ISSN: 07365845 CODEN: RCIMEB Document type: Journal article (JA) Publisher: Elsevier Ltd, Langford Lane, Kidlington, Oxford, OX5 1GB, United Kingdom Abstract: As a deposition technology, robotic metal active gas (MAG) welding has shown new promises for rapid prototyping (RP) of metallic parts. During the process of forming metal parts with the robotic MAG welding technology, the sectional geometry of single-pass bead and the overlap of the adjacent beads have critical effects on the dimensional accuracy and quality of metal parts. In this work, Canny edge detection of the robotic MAG beads was carried out and the data were smoothed with a Gaussian filter and fitted with Gaussian function, logistic function, parabola function and sine function, respectively. In addition, a mathematical model of bead section was developed to analyze the bead geometry. Based on "surfacing of equivalent area" method, the concept of overlapping coefficient and optimum-overlapping coefficient was put forward, and calculated model of overlapping was analyzed. Optimal overlapping coefficient was calculated to be 63.66% under experimental condition. The conclusion is that the edge detection of bead section with Canny operator is continuous and distinct, and as compared with Gaussian function, logistic function and parabola function, sine function has higher accuracy to fit the measured data, and "surfacing of equivalent area" method shows to be rational and feasible by the experiments. © 2010 Elsevier Ltd. Number of references: 29 Main heading: Rational functions Controlled terms: Curve fitting - Edge detection - Gas welding - Gaussian distribution - Mathematical models - Mathematical operators - Metals - Rapid prototyping - Robotics - Robots Uncontrolled terms: Bead geometry - Bead profile model - Canny edge detection - Canny Operators - Critical effects - Deposition technology - Dimensional accuracy - Experimental conditions - Forming metals - Gaussian filters - Gaussian functions - Logistic functions - MAG-welding - Measured data - Metal parts - Metal-active gas welding - Metallic part - Overlapping coefficient - Overlapping model - Rapid manufacturing - Sine functions Classification code: 531 Metallurgy and Metallography - 538.2.1 Welding Processes - 723.5 Computer Applications - 731.5 Robotics - 921 Mathematics - 922.1 Probability Theory DOI: 10.1016/j.rcim.2010.11.002 Database: Compendex |
3楼2012-02-02 22:00:18