板料成形过程建模与质量控制技术研究
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摘要
板料冲压成形是一种十分重要的金属板料塑性加工技术,在工业领域有着极为广泛的应用,已成为先进制造代表技术之一。板料成形过程同时又是一个极为复杂的过程,工业界在长期的生产中积累了丰富的工艺认识和参数选择经验,但随着市场竞争的日益激烈,要求企业对市场的需求作出快速的响应,同时对成形件的质量要求越来越高,现有的认知经验已不能适应现代生产所提出的对问题作出快速响应要求。快速并合理确定模具型面参数和加工过程工艺参数,同时如何以最少的成本,准确地得到成形过程的系统特征,并进行成形件的质量控制,已成为板料冲压成形加工企业在市场中取得立足的根本技术之一,越来越受到了各国工业界和研究人员的日益关注。
     本学位论文综合运用弹塑性力学、数理统计、现代控制及数值模拟技术等基础理论,在数值模拟的基础之上,以较经济的样本数据,开展板料冲压成形过程系统特征的建模方法研究,同时以此为基础进行模具型面参数和工艺参数优化及冲压成形件的质量控制技术研究,并把对成形过程的系统特征进行定性分析的结果用来指导实际冲压件的试模和生产。论文的主要工作包括:
     (1)深刻剖析板料的成形性能及影响成形性能的主要因素,科学并系统地研究各类因素与冲压件成形质量的关系;建立板料成形质量的评价标准,为后续的优化目标函数的建模及质量控制打下理论基础;同时根据在长期生产中已积累的丰富的工艺认识,就成形过程中出现的缺陷给出其预防措施;
     (2)阐述了数值模拟仿真在板料成形过程的作用和意义,详细研究了目前使用最广泛的动态显式有限元的关键技术;针对有限元法在对复杂冲压件的数值模拟仿真中出现的问题(如网格畸变,计算精度不高等),对无网格法做了一些研究;
     (3)根据数理统计学的分析原理和试验设计方法,研究了高效建模样本的特点及其获取方法;针对传统建模方法需要较多样本的问题和为了高效并准确地对板料成形过程规律进行数学建模,提出了基于偏最小二乘法的板料成形过程建模方法,该方法有效地解决了建模效率和模型精度两者相互制约的问题;
     (4)在对成形过程进行高效建模之后,根据成形质量的要求,提出了一种以冲压成形件厚度变薄均匀度为质量评价标准的优化目标函数,为优化分析提供了评判的理论依据,并用矩阵分析方法对文献中几种不同质量评价目标函数表达式给出了统一表达式,使优化函数形式简单,意义明确;同时根据实际生产中的工序,提出“二步法”优化参数步骤,为板料成形质量控制提供了理论依据;
     (5)针对板料成形过程的规律,结合本文所研究的高效建模方法和现代控制理论,研究了状态空间法和时序分析理论在板料成形过程中的应用,提出了基于状态空间法和时序理论的板料成形闭环控制系统,把板料吸入量的误差转化为控制系统的变压边力输入,以达到保证成形件的质量。仿真结果表明该方法具有简单易行,控制精度高等特点;
     (6)以某型汽车的中地板为研究对象,开展了数值模拟仿真和试验研究。数值仿真结果与实际冲压结果相符。根据本学位论文第五章的研究部分结论,进行定性分析,找到产生质量缺陷的可能原因,并用分析结论来指导了试验研究。试验结果表明,仿真分析结果可信,有效地解决了成形中的质量缺陷问题,成品率从50%提高到95%左右。
Sheet metal forming is a very important plastic working technology, which has been widely used in industrial domains, and is also one of the advanced manufacturing technologies. The deforming process of sheet metal forming is very complicated and the abundant process technologies and experience about parameter selection have been accumulated from the long-time practical operation. Along with the more and more drastic market competition, it is very important for enterprise to respond for the market need and improve the quality of the product quickly. So the experience that we have gotten cannot satisfy the problem we meet in the process of modern production. It is one of the fundamental technologies for the metal forming enterprise to confirm die surface parameters and technology parameters rapidly and reasonably, gain the forming process property and control quality with least cost, and it gets more and more attention by engineers and researchers in world.
     The modeling method for sheet metal forming process is studied under economic samples and based on the numerical simulation technology, which is combined with the basic theories such as elastic-plastic mechanics, mathematic statistics and modern control in this dissertation. The die surface and technology parameters are optimized, and the quality control technology for sheet metal forming is studied also. According to the rules of sheet metal forming process and its qualitative analysis, the experiments and production of sheet metal forming are done. The main contents were as following:
     Firstly, sheet forming property and its vital influencing factors are studied, and the relations between the parts quality and all factors are studied too. The standard for evaluating the parts quality is established, and it constructs basic theory for modeling of optimum function and quality control; according to abundant process technologies and experience, the measures, which are used to prevent quality defections, are given synchronously.
     Secondly, the effect and significance of numerical simulation for sheet metal forming is described, and the key technology of dynamic explicit FEM is studied also; aiming at the problems that the calculating precision is not high or the gridding will be aberrant when numerical simulation for complex parts is done by FEM, the mesh-free method is studied initially.
     Thirdly, based on the theory of mathematic statistics and experiment design, the characteristic and sampling method of the high performance modeling samples are studied; according to the problem that it need much more samples by using traditional modeling method and for the sake of modeling the rules of sheet metal forming process effectively and truly, the modeling method based on Partial Least-squares Regression (PLS) for sheet metal forming process is put forward, and this method will solve the problem effectively that it restricts each another between the modeling efficiency and model precision.
     Fourthly, based on the modeling for forming process and according to requirement of forming quality, a new object function for optimizing parts quality, which aimed at the attenuation uniformity of sheet thickness, is put forward and it is also the judgment basis for optimizing analysis; a standard object function expression for all optimum object functions, which has some merits such as simple expression, explicit meaning, is given by using the matrix analysis method; then the conception of "two steps method" for optimizing parameters is brought forward based on the practical working procedure, and it provides theory basis for quality control.
     Fifthly, according to the rules of sheet metal forming and combining the modeling method which is put forward in paper with modern control theory, the application of state space theory and analyzing method of time series is studied during the forming process; closed loop control system of forming processes base on fore mentioned theory is proposed; the error of sheet draw-in is transformed into variable blank-holder force which is the input of the control system, so the parts quality is ensured. The simulation results indicate that this control system has some strongpoint such as simple, feasible and high control precision.
     Finally, using an automobile part as an object, numerical simulation and experiment are developed. The simulation results match with the forming experiment results. According to the research conclusion of the fifth chapter in this dissertation, the qualitative analysis is done, and the possible reason of quality defection is found out. The experiment is done under the conclusion of qualitative analysis too. The experiment results indicate that the results of simulation are credible and the quality defection problem of sheet metal forming is solved effectively, and success rate for forming is improved from 50% to 95%.
引文
[1]钟志华,李光耀.薄板冲压成型过程的计算机仿真与应用[M].北京理工大学出版社,1998
    [2]R.Mantripragade,G.Kinzel,T.Altan.A computer-aided engineering system for feature-based design of box-type sheet metal parts[J].Journal of materials processing technology,1996,57:241-248
    [3]谷正气主编。轿车车身[M]。北京:人民交通出版社,2002
    [4]A.E.Tekkaya.State-of-the-art of simulation of sheet metal forming[J].Journal of materials processing technology.200,103:14-22
    [5]阮雪榆.21世纪数字化塑性成形技术与科学[J].模具技术,2003(2):3-8
    [6]Keer T J,Sturt R M V.,Sheet Metal processing-the integration of finite element analysis with the design process[J].Trans of SAE,J.of Materials and Manufacturing,1991,No 910771,736-74
    [7]胡平,卫教善.冲压成形模具分析软件—KMAS[J].模具制造,2004(6):9-11
    [8]G.Gantar,T.Pepelnjak,K.Kuzman.Optimization of Sheet Metal Forming Processes by the Use of Numerical Simulations[J].Journal of Materials Processing Technology.2002,130-131:545
    [9]陈军,石晓祥,姚兴,阮雪榆.汽车覆盖件冲压工艺/模具计算机辅助技术的发展现状锻压技术[J].2002(6):141
    [10]Mehta.H S,Kobayashi S.Finite element analysis and experimental investigation of sheet metal stretching[J].Journal of Applied Mechanics,1973,40:874-880
    [11]Gupta K K,Meek J L.A brief history of the beginning of the finite element method[J].International Journal for Numerical Methods in Engineering,1996,39:3761-3774
    [12]Marcal P V,King I P.Elastic-plastic analysis of two-dimension system by the finite element method[J].International Journal of Mechanical Science,1967,9
    [13]Yamada Y.Plastic stress-strain matrix and its application for the solution of elastic-plastic problem by the finite element method[J].International Journal of Mechanical Science,1968,10
    [14]Hibbitt H D,Marcal P V,Rice J R.A finite element formulation for problem of large strain and large displacement[J].International Journal of Solids Structures,1970,6:1069-1087
    [15]McMeeking R M,Rice J R.Finite-element formulations for problem of large elastic-plastic deformation[J].International Journal of Solids Structures,1975,11:601-616
    [16]Wang N M,Budiansky B.Analysis of sheet metal stamping by a finite element method [J].Journal of Applied Mechanic,1978,45:72-75
    [17]Kobayashi S,Kim J H.Deformation analysis of axisymmetric sheet metal forming processes by riNd-plastic finite element method[C].In:Koistinen D P,Wang N M.Mechanics of sheet Metal Forming.New York:Plenum Press.1978.341-365
    [18]Wang N M,Wenner M L.Elastic-viscoplastic analysis of simple stretching forming presesses[C].In:Koistinen D P,Wang N M.Mechanics of sheet Metal Forming.New York:Plenum Press.1978.367-391
    [19]Toh C H,Kobayashi S.Deformation analysis and blank design in square cup drawing[J].International Journal of Machine Tool Design Engineering,1985,25:15-32
    [20]Nakamachi E,Sowerby R.Finite element modeling of the punch stretching of squre plates[J].Journal of Applied Mechanics.ASME,1988,55:667-671
    [21]Tang S C.Finite element prediction of the deformed shape of automobile trunk deck-lid during the binder-wrap stage[C].In:Chen C C.Experimental Verification of Process Models.ASM,Metals Park,OH,1981,189-203
    [22]Tang S C.Verification and application of a binder wrap analysis[J].In:Wang N M,Tang S C.Modeling of Sheet Metal Forming Process.The Metallurgy Society of USA,1985,193-208
    [23]Tang S C,Chappuis L B.Evaluation of sheet metal forming process design by simple models[J].Journal of Materials in Manufacturing Process,ASME,1988,MD8:19-26
    [24]Honecker A.,Mattiasson K.Finite element procedures for 3D sheet forming simulation[C].MUNISHEET'89,1989:451-457
    [25]Batoz J.L.,Guo Y.Q.,Duroux P.,Detraux J.M.An efficient algorithm to estimate the large strains in deep drawing[C].MUNISHEET'89,1989:378-383
    [26]Nakamachi E.Development of FEA of sheet forming with arbitrarily shaped tools[J].Advanced Technology of Plasticity,1990,3:1129-1134
    [27]董湘怀,李尚健.三维板料成形过程的有限元分析[J].机械工程学报,1995,31(1):53-59
    [28]董湘怀,李尚健.板料拉延过程的数值分析[J].机械工程学报,1991,27(3):14-19
    [29]柳玉起,章志兵.板料成形快速仿真软件FASTAMP[J].材料科学与工艺,2004,12(4):353-356
    [30]柳玉起,胡平.板料成形局部塑性失稳与起皱的数值模拟[J].机械工程学报,1997,33(2):88-92
    [31]谢晖,钟志华,李光耀等.板料冲压数据模拟的并行计算与应用[J].中国机械工程,2003,14(21):1842-1844
    [32]李光耀,钟志华.显式有限元方法求解二维壳体塑性大变形接触问题[J].工程力学,1997,14(3):78-87
    [33]彭颖红,阮雪榆.CONFORM连续挤压变形过程的刚粘塑性有限元模拟[J].中国有色金属学报,1993,3(4):42-47
    [34]彭颖红.金属塑性成形仿真技术[M].上海:上海交通大学出版社,1999
    [35]林忠钦,张建武.弹性模具冷弯成形中薄板的力学建模[J].机械工程学报,1999,35(1):61-64
    [36]林忠钦,李淑慧,于忠奇等.车身覆盖件冲压成形仿真[M].北京:机械工业出版社,2004
    [37]杨玉英.大型薄板成形技术[M].北京:国防工业出版社,1996
    [38]陈中奎,施法中.板料冲压成形中起皱的数据模拟[J].机械工程学报,2001,37(1):24-27
    [39]Liszka T,Orkisz J.Finite Difference Method for Arbitrary Irregular Meshes in Nonlinear Problems of Applied Mechanics[M].IV SMiRt,San Francisco,1977
    [40]Perrone N,Kao R.A general finite difference method for arbitrary meshes[J].Comput Struct,1975,5:45-58
    [41]Lucy L B.A numerica lapproach to the testing of the fission hypothesis[J].The Astron J,1977,8(12)1013-1024
    [42]Gingold R A,Moraghan J J.Smoothed particle hydrodynamics:theory and applications to nonspherical stars[J].Notices.Roy.Astron.Soc.,1977,18:375-389
    [43]Libersky,L.D,Randles,P.W.,Carney,T.C.,Dickinson,D.L,Recent improvements in SPH modeling of hypervelocity impact[J].International Journal of Impact Engineering,v 20,n 6-10 pt 2,1997,525-532
    [44]Nayroles B,Touzot G,Villon P.Generalizing the finite element method:diffuse approximation and diffuse elements[J].Comput.Mech.,1992,10:307-318
    [45]T.Belytschko,Y.Lu,and L.Gu,Element-Free Galerkin Methods[J],International Journal for Numerical Methods in Engineering,1994,37:229-256
    [46]T.Belytschko,Y.Krongauz,M.Fleming,Smoothing and Accelerated Computations in the Element Free Galerkin Method[J],Journal of Computational and Applied Mathematics,1996,74:111-126
    [47]W.K.-Liu,Y.Chen,S.Jun,J.S.Chen,etal,Overview and Applications of the Reproducing Kernel Particle Methods,Archives of Computational Methods in Engineering[C]:State of the art reviews,1996,Vol.3,pp.3-80
    [48]W.K.Liu,Y.Chen,R.A.Uras and C.T.Chang,Generalized Multiple Scale Reproducing Kernel Particle Methods[J],Computer Methods in Applied Mechanics and Engineering,1996,Vol.139,pp.91-158
    [49]W.K.Liu,R.A.Uras and Y.Chen,Enrichment of the Finite Element Method with the Reproducing Kernel Particle Method[J],Journal of Applied Mechanics,ASME,1997,Vol.64,pp.861-870,
    [50]张雄,宋康祖,陆明万,Meshless Methods Based on Collocation with Radial Basis Function[J].Comput.Mech.,2000,26(4):333-343
    [51]张雄,刘岩.无网格法[M].北京:清华出版社,2004.8
    [52]宋康祖.紧支函数无网格方法研究[D].清华大学博士学位论文,2000
    [53]张见明,姚振汉.一种新型无网格法-杂交边界点法[C].中国计算力学大会'2001会议论文集,339-343,2001,广州
    [54]刘欣,朱德懋,陆明万等.平面裂纹问题的h,p,hp型自适应无网格方法的研究[J],力学学报,2000,32(3):308-318
    [55]温宏宇.无网格法在金属塑性成形数值模拟中的应用研究[D].上海交通大学博士学位论文,2006
    [56]D Zhou,R H Wagoner.Development and application of sheet-forming simulation[J].Journal of Materials Processing Technology,1995,50(1):1-16
    [57]李玉强,崔振山,张冬娟等.板料成形优化技术进展与质量工程研究[J],塑性工程学报,2005,2:11-16
    [58]C.T.Wang,G.L.Kinzel,T.Altain.Mathematical modeling of plane-strain bending of sheet and plate[J].Journal of Materials Processing Technology.1993,39(3-4):279-304
    [59]O.Schenk,M.Hillmann.Optimal design of metal forming die surfaces with evolution strategies[J].Computers and structures.2004,82(20-21):1695-1705
    [60]韩英淳,于多年,许言午.广义成形性技术及其在汽车覆盖件生产中的应用[J].汽车技术.2003,4:31-34
    [61]M T Browne,M T Hillery.Optimising the variables when deep-drawing C.R.cups[J],Journal of Materials Processing Technology,2003,136(1-3):64-71
    [62]Y Nakamura,T Ohata,T Katayama,et al.Optimum die design for sheet metal forming process by using finite element and discretized optimization methods[M],Simulation of Materials Processing:Theory,Methods and Application,Rotterdam,Netherlands,1998,787-792
    [63]杨德.试验设计与分析[M].北京:农业出版社,2002
    [64]Ridha Hambli,Alain Potiron,Abdessamad Kobi.Application of design of experiment technique for metal blanking processes optimization[J].M(?)canique &Industries,Volume 4,Issue 3,May-June 2003,Pages 175-180
    [65]刘伟.板料成形工艺与模具多目标优化设计及应用研究[D].哈尔滨工业大学博士 论文,2005
    [66]韩利芬,李光耀,钟志华等.神经网络与正交试验设计在板料成形毛坯形状预测中的综合应用[J].中国机械工程,2004,14:1266-1271
    [67]方开泰.均匀设计与均匀设计表[M].北京,科学出版社,1994
    [68]R H Myers,D C Montgomery.Response Surface Methodology:Process and Product Optimization Using Designed Experiments[M].New York:Wiley-Interscience publication,2002
    [69]T.Jansson,A.Andersson,L.Nilsson.Optimization of draw-in for an automotive sheet metal part an evaluation using surrogate models and response surfaces[J].Journal of Materials Processing Technology 159(2005):426-434
    [70]H.Naceur,Y.Q.Guo,S.Ben-Elechi.Response surface methodology for design of sheet forming parameters to control springback effects[J].Computers and Structures 84(2006):1651-1663
    [71]H.Naceur,S.Ben-Elechi,J.L.Batoz,C.Knopf-Lenoir.Response surface methodology for the rapid design of aluminum sheet metal forming parameters[J].Materials &Design,Volume 29,Issue 4,2008,Pages 781-790
    [72]Wang Hu,Li Guang Yao,Zhong Zhi Hua.Optimization of sheet metal forming processes by adaptive response surface based on intelligent sampling method[J].Journal of Materials Processing Technology,Volume 197,Issues 1-3,1 February 2008,Pages 77-88
    [73]Donglai Wei,Zhenshan Cui,Jun Chen.Optimization and tolerance prediction of sheet metal forming process using response surface model[J].Computational Materials Science,Volume 42,Issue 2,April 2008,Pages 228-233
    [74]张峻,柯映林.基于动态序列响应面方法的钣金成形过程参数优化[J].中国机械工程,2005.16(4):307-31
    [75]王惠文.偏最小二乘法回归及其应用[M].北京:国防工业出版社,1999:2
    [76]de Jong S SIMPLS:an alternative approach to partial leastsquares regression[J].Chemometr lntell Lab Syst,1993,18:251
    [77]Svante W,Michael S,Lennart E PLS-regression:a basic tool ofchemometrics[J].Chemometr Intell Lab Syst,2001,58:109
    [78]姚林,阳建宏,徐金梧等.基于偏最小二乘回归模型的带钢热镀锌质量监控方法[J].北京科技大学学报,20007,6:627-631
    [79]李锐华,孟国香,贡亮等.多参数点焊质量的偏最小二乘综合评价方法[J].焊接学报,2007,3:49-52,
    [80]K M Liew,Tapabrata Ray,H Tan,et al.Evolutionary Optimization and Use of Neural Network for Optimum Stamping Process Design for Minimum Spring back[J],Journal of Computing and Information Science in Engineering,2002.2(3):38-44
    [81]K.Manabe,M.yang,S.Yoshihara.Artificial intelligence identification of process parameters and adaptive control system for deep-drawing process[J].Journal of Materials Processing Technology 80-81(1998):421-426
    [82]赵军,罗亚军,曹宏强.轴对称拉深成形智能化控制过程中材料参数识别的神经网络模型设计[J].燕山大学学报,2004,2:95-98
    [83]谢晖,钟志华.基于CAE和神经网络的压边力优化[J].机械工程学报,2004,7:105-109
    [84]崔令江,杨玉英,朱玉萍.利用神经网络构建方盒件成形数值模拟模型[J].塑性工程学报,2005.12(1):20-2
    [85]J Jakumeit,M Herdy,M Nitsche.Parameter optimization of the sheet metal forming process using an iterative parallel Kriging algorithm[J].Structural and Multidisciplinary Optimization,2005,29(6):498-507
    [86]穆雪峰,姚卫星,余雄庆等.多学科设计优化中常用代理模型的研究[J].计算力学学报,2005.5:608-612
    [87]O.Barlet,J L Batoz,Y Q Guo,et al.Optimum design of blank contours using the inverse approach and a mathematical programming technique[C],Proceedings of the Third International Conference.NUMISHEET'96,787-792
    [88]H Naceur,Y Q Guo,J L Batoz,et al.Optimization of blank restraining forces to improve the global quality of stamped parts[C].Proceedings of the Fourth International Conference.NUMISHEET'99,Besancon,France,1999,517-521
    [89]O Ghouati,H Lenoir,J C Gelin.Optimization techniques for the drawing of sheet metal parts,Proceedings of the Fourth International Conference[C].NUMISHEET'99,Besancon,France,1999,293-298
    [90]Yasunori Nakamura,Tomiso Ohata,Eiji Nakmachi.Study of optimum drawbead design in sheet forming[C],Proceedings of NUMISHEET'2002,Jeju Island,Korea,2002,585-590
    [91]Gang Liu,Zhongqing Lin,Youxia Bao.Optimization design of drawbead in drawing tools of autoboby cover panel.Journal of Engineering Materials and Technology,2002,124(2):278-285
    [92]Choi K K,Kim N H.Design optimization of springback in a deepdrawing process[J],AIAA Journal,2002,40(1):147-153
    [93]刘伟 杨玉英.基于FEA的板料成形工艺优化及评价函数研究[J],材料科学与工艺,2006,2:159-161
    [94]T.Ohata.Improvement of optimum process design system by numerical simulation.Discretized Optimization Method[C].In proceeding of NUMISHEET'99,1999,299-304
    [95]T.Ohata,Y.Nakamura,T.Katayama,et al.Development of optimization process design system for sheet fabrication using response surface method[J].Journal of Materials Technology,2003,143-144:667-672
    [96]包友霞,徐伟力,刘罡等.薄板成形中变压边力优化设计方法[J],机械工程学报,2001,37(2):105-109
    [97]J.C.Gelin.Optimization techniques for the drawing of sheet metal parts[C].In proceeding of NUMISHEET'99,1999:293-298
    [98]D.Luet,J.L.Duval,E.D.Pasquale,et al.Quality function approach to design and optimization of stamping process:application to an industrial case[C].Proceeding of the 1998 SAE International & Exposition.Detroit,MI,USA,Feb.,1998.SAE Special Publications,1998,1332:4511-4532
    [99]K.M.Liew,H.Tan,T.Ray,et al.Optimal process design of sheet metal forming for minimum springback via an integrated neural network evolutionary algorithm[J].Structural and Multidisciplinary Optimization.2004,26:284-294
    [100]Schmit L.A.,Farshi B.Some approximation concepts for structural synthesis[J].AIAA Journal,1974,12(5):692-699
    [101]张峻.汽车覆盖件成形过程数值模拟与优化技术[D].浙江大学博士论文,2005
    [102]孙成智.基于变压边力的薄板冲压成形理论与实验研究[D].上海交通大学博士论文,2004
    [103]Yossifon.S,K.Sweeney,Ahmetoglu.M,etc.On the acceptable blank-holder force range in the deep-drawing process[J].Journal of Materials Processing Technology,1992,33(1/2):175-194
    [104]D.E Hardt,R.C.Fenn.Real-time control of binder force during stamping[C].proceedings of the 16th Biennial Congress of the IDDRG.pp.17-27,Borlange,Sweden,1990
    [105]S.Thiruvarudchelvan,F.W.Travis.On the deep drawing of cups with punch and blank-holder forces proportional to a hydraulic pressure[J].Journal of Materials Processing Technology,1999,88:92-93
    [106]K.Siegert.CNC-hydraulic multipoint blank-holder system for sheet metal forming presses[J].Ann.CIRP.1993,42(1):319-322
    [107]K.Siegert,M.Ziegler,S.Wagner.Closed loop control of the friction force deep drawing process[J].Journal of Materials Processing Technology.1997,71:126-133
    [108]Tetsuya Yagami,Ken-ichi Manabe,Ming Yang,etc.Intelligent sheet stamping process using segment blankholder modules[J].Journal of Materials Processing Technology,2004,155-156:2099-2105
    [109]赵军,李硕本,吕炎.板材冲压成形的智能化控制技术[J].塑性工程学报,1999,6(4):10-21
    [110]K.Manabe,H.Koyama,S.Yoshihara,etc.Development of a combination punch speed and blank-holder fuzzy control system for the deep-drawing process[J].Journal of Materials Processing Technology,2002,125-126:440-445
    [111]Cheng-Wei Hsu,A.G.Ulsoy,M.Y.Demeri.Development of process control in sheet metal forming[J].Journal of Materials Processing Technology,2002,127:361-368
    [112]J.Zhao,H.Q.Cao,L.X.Ma,etc.Study of intelligent control technology for the deep drawing of an axi-symmetric shell part[J].Journal of Materials Processing Technology,2004,151:98-104
    [113]高裕,董湘怀,龚红英等.基于数据库的板料拉深压边力智能控制系统[J].锻压技术,2006,2:26-29
    [114]邓陟,王先进,陈鹤峥.金属薄板成形技术[M].北京:兵器工业出版社,1993.8
    [115]梁炳文,陈孝戴,王志恒.板金成形性能[M].北京:机械工业出版社,1999
    [116]雷正保.汽车覆盖件冲压成形CAE技术及其工业应用研究,博士后研究报告[D].中南大学,2003,8
    [117]Keeler S.P.Circular grid systems:A valuable aid of evaluation sheet forming[J],Sheet Metal Industry,1969,454:633-640
    [118]Goodwin G M.Application of Strain Analysis to Sheet Metal Forming Problems in the Press Shop[J].SAE Paper,NO.680093,1968
    [119]Marciniak Z.,Kuczynski K.Limit strains in the processes of stretch-forming sheet metal[J].International Journal of Mechanical Science,1967,9:609-620
    [120]Marciniak Z.,Kuczynski K.,Pokora T.Influence of the plastic properties of material on the forming limit diagram for sheet metal in tension[J].International Journal of Mechanical Science,1973,15:789-805
    [121]张晓斌,孙宇,樊红梅.板料成形压边力控制技术研究现状及发展趋势[J].锻压技术,2007.6:6-12
    [122]Lin Z.Q.,Bao Y.X.,Chen G.L.,Liu G.Study on the drawbead setting of the large deformation area in a trunk lid[J].Journal of Material Processing Technology,200,105(3):264-268
    [123]Naceur H.,Guo Y.Q.,Batoz J.L.,Knopf-Lenoir C.Optimization of drawbead restraining forces and drawbead design in sheet metal forming process[J].International Journal of Mechanical Sciences 2001,43:2407-2434
    [124]崔令江编著.汽车覆盖件冲压成形技术[M.北京:机械工业出版社,2003
    [125]张铁山.板料冲压成形中摩擦与回弹研究[D].南京理工大学博士论文,2004
    [126]Hallquist J.O.LS-DYNA Theoretical Manual[M].Livermore Software Technology Corporation,Livermore,California,1998
    [127]Chappuis L B,Chen X M,Tang S C.A numerically stable computer model for sheet metal forming analysis by 2D membrane theory[J].SAE Trans of Materials &Manufacturing,1993,No.930518:703-711
    [128]Monaghan J J.Why particle methods work.SIAM[J],J.Sci.Stat.Comput.,1982,3(4):422
    [129]Liu W K,Jun S,Zhang Y F.Reproducing Kernel Particle methods[J].Int.J.Numer.Meth.Fluids.,1995,20:1081-1106
    [130]Li S,Hao W,Liu W K.Numerical simulations of large deformation of thin shell structures using meshfree methods[J].Comput.Mech.,2000,25:102-116
    [131]张恒喜,郭基联,朱家元等著.小样本多元数据分析方法及应用[M].西安,西北工业大学出版社,2002,9
    [132]J.Danckert.Experimental Investigation of a Square-cup Deep-drawing Process[J].Journal of Materials Processing Technology.1995,50:385-394
    [133]王惠文,吴载斌,孟洁.偏最小二乘回归的线性与非线性方法[M],北京:国防工业出版社,2006,9
    [134]万仲平,费浦生编.优化理论与方法[M],武汉:武汉大学出版社,2004
    [135]S.P.Keeler,W.G.Brazier.Relationship between laboratory material characterization and press shop formability[C].In:Proceeeding of Microalloying 75.New York,1977:517-528
    [136]Y.S.Kim,Y.J.Son.Study on wrinkling limit diagram of anisotropic sheet metals[J].Journal of Material Processing Technology.2000,97:88-94
    [137]郑金华.多目标进化算法及其应用[M].北京:科学出版社,2007
    [138]Richard C.Dorf,Robert H.Biship[M].现代控制系统(第八版),北京:高等教育出版社,2001,6
    [139]C.W.Hsu,A.G.Ulsoy,M.Y.Demeri.Development of process control in sheet forming[J].Journal of Materials Processing Technology 2002,127:361-368

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