| KEY TECHNOLOGY IN INTELLIGENT CONTROL FOR SHEET METAL DEEP DRAWING |
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| 作者姓名： | 罗亚军 赵军 何丹农 张永清 |
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| 摘 要： | Introduction With development of economics and furtheropening,competitions in market are intensive.The margin between the material cost and price ofproducts becomes small,which compels companiesto pursue higher rate of productivity and quality.The rate of productivity has been improvedthrough high pressing automation,but in order toget satisfactory quality of products under distur-bances,on- line measurement,identification,pre-diction and on- line control must be realized. Intel-ligentcont…
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KEY TECHNOLOGY IN INTELLIGENT CONTROL FOR SHEET METAL DEEP DRAWING |
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| LUO Ya-jun,ZHAO Jun,HE Dan-nong,ZHANG Yong-qing.KEY TECHNOLOGY IN INTELLIGENT CONTROL FOR SHEET METAL DEEP DRAWING[J].Journal of Shanghai Jiaotong university,2001,6(1). |
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| Authors: | LUO Ya-jun ZHAO Jun HE Dan-nong ZHANG Yong-qing |
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| Institution: | 1. National Die Mold CAD Eng. Research Center, Shanghai Jiaotong Univ.
2. Yanshan Univ. |
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| Abstract: | Intellectualization of sheet metal in deep drawing is a new combined technology, which is concerned with control science and computer science and sheet metal forming theory. The intelligent control system for sheet metal deep drawing consists of four fundamental factors: real time measurement, identification, prediction and control. Real time identification of material properties and friction coefficient is the most important factor in the whole system. An artificial neural network model for identification of the material properties and friction coefficient was established according to deep drawing characteristics and more automation. The identification of the material properties and friction coefficient was realized. |
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| Keywords: | sheet metal forming intelligent control deep drawing neural network real time identification |
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