In this paper , a set of composites liquid - solid extrusion application software is complied by using of the visual c + + , matlab and access software . the visualization and interaction are realized through this software , what ' s more , the functions of fuzzy neural model setting up , parameter prediction , parameter optimization , figure exporting and database accessing are included . the composite liquid - solid extrusion process parameters can be predicted and optimized by use of the software 本文利用microsoftvc6 . 0 、 matlab以及microsoftaccess等软件，自行编制了一套基于模糊神经网络与遗传算法的集工艺建模、参数预测、参数优化、图形输出及数据库访问为一体的液-固挤压成形工艺应用软件，实现了该软件的可视化及良好的交互性。
In different in terne die travel , the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve . . at the same time , we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally , the optimized technics parameters were used into pilot production , then the qualified oil pump stator forging were produced , the analog results were compared with those of pilot production 论文具体分析研究了不同成形工艺过程中金属流动的特点，并对不同凸模行程下温挤成形过程中的金属流动特点、坯料连皮厚度(底部高度)与温挤压成形工艺中的轴向界限尺寸的差值对金属变形阶段的影响进行了分析，获得了坯料在不同凸模行程下的等效应变场、速度场等场变量及凸模行程-载荷曲线，同时对油泵定子成形过程的影响因素等进行了分析，优化并获得了合理的温挤成形工艺及模具参数。最后，利用模拟优化获得的各项工艺参数进行生产实验，得到实际生产出的合格油泵定子件，并将模拟结果与生产实验结果进行比较。
The visualization and interaction are realized through this software , what ' s more , the function of mode set up , parameter prediction , data pretreatment and figure exporting are included in it . the composite liquid - solid extrusion process parameters can be predicted and optimized by use of the software 本文利用microsoftvc6 . 0软件，自行编制了一套集工艺建模、参数预测、数据预处理及图形输出为一体的液-固挤压成形工艺应用软件，实现了该软件的可视化，即良好的交互性。
In this paper , some key factors in the process of composite liquid - solid extrusion had been researched through a large amount of experiments and the common rules of composite liquid - solid extrusion had been obtained . the sample data was built through analyzing the experimental data collected during the experiments , and the model ' s construction was set up according to the concept of multiple curve fitting . the model parameters had been identified through least - square parameter identification and the sample data had been fitted well 本文通过大量的实验，对液-固挤压成形工艺中的影响因素进行了研究，初步掌握了该成形工艺的一般规律；在分析实验数据的基础上确定了实验样本集，并根据多元曲线拟合的思路初步确定了模型的结构；利用最小二乘参数辨识方法对模型参数进行了辨识，实现了对样本数据的良好拟合；通过利用该工艺系统模型进行参数预测，得到了与实验数据吻合较好的预测结果。
The inside fashion of the sway oil pump stator is complex , its wall thickness is pockety and the metal flow law is difficult to master . at the present time , the investigation of warm extrusion forming technique for the nonuniform wall thickness forging has few to been done . the forming technique and die configuration which use for production have not achieve optimization 由于转向油泵定子的内部形状复杂，零件壁厚分布不均，金属流动规律难于掌握，目前人们对这种非均匀壁厚锻件的温挤压成形工艺研究几乎没有，其成形工艺及生产用模具结构并未达到最优化。
In this article , we introducte the advanced numerical , analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process , the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory . the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper . at the same time , we have analytic studied the forming technique process for the sway oil pump stator 本论文采用先进的数值分析方法? ?有限元法，结合金属在温挤压成形过程的具体特点，详细论述了三维问题的刚粘塑性有限元法，介绍了金属塑性成形过程的分析方法，以及刚-粘塑性有限元法的基本理论，建立了刚-粘塑性模形，推导了基于lagrange乘子法和过应力模形的刚粘塑性有限元列式，并对转向油泵定子的成形工艺过程进行了研究分析。
In this paper , some key factors in the process of composite liquid - solid extrusion had been researched through a large amount of experiments and the common rules of composite liquid - solid extrusion had been obtained . the sample data was built and the common fuzzy rule was set up through analyzing the experimental data collected during the experiments . the fuzzy neural network model of composite liquid - solid extrusion had been set up , the sample data had been fitted and the accurate fuzzy rule had been concluded through training the fuzzy neural model with the sample data 本文通过大量的试验，对液-固挤压成形工艺中的影响因素进行了研究，初步掌握了该成形工艺的一般规律；在分析实验数据的基础上确定了实验样本集，并初步确定了该工艺系统的模糊推理规则；利用模糊神经网络技术对液-固挤压工艺系统进行建模，实现了对样本数据的良好拟合；补偿模糊神经网络在训练过程中能够根据样本动态调整网络参数，提取较为准确的模糊推理规则；通过利用该工艺系统模型进行参数预测，得到了与实验数据吻合较好的预测结果。
In the thesis , the microstructual characters of al - 20si - 5fe alloy and the influence of the solidifying conditions and alloying elements on the second phase morphology are studied systematically , which is done to change the second phase morphology by alloying and controlling the solidification conditions so as to make the second phase refined by semi - solid or solid extruding forming technology 本文系统地研究了al - 20si - 5fe合金的微观组织特征，外界凝固条件、合金元素等对第二相形态的影响，目的是通过合金化和凝固条件的控制来改善第二相形态，以便为采用半固态或者固态挤压成形技术使第二相充分细化创造条件。
The physical meaning of the fuzzy neural network parameters and their influence on the model performance are discussed through the research of composite liquid - solid extrusion model , and the reasonable method of evaluating the network parameters is confirmed which can quicken the training speed . some problems and the influence of the evolution operator on the optimization course are discussed , arid the reasonable range of the evolution parameter is concluded 通过对复合材料液-固挤压成形工艺系统建模的研究，探讨了模糊神经网络参数的物理意义及其对网络学习速度的影响，确定了可加快网络学习速度的参数赋值方法；结合液-固挤压工艺特点探讨了利用遗传算法进行参数优化过程中一些问题的处理方法及遗传操作算子对优化过程的影响，确定了参数选取的合理范围。
Liquid - solid extrusion of composite material is a new kind of metal forming process , which has been developed in recent years with a promising practical application prospect for its simple working procedure , low cost and good workpiece performance . but it is difficult to set up an accurate mathematical model because the process is a multivariable nonlinear time varying system . so this process ca n ' t be put into practical uses for the difficulties in process parameters control 复合材料管、棒材液-固挤压成形工艺是近几年发展起来的一种金属成形新工艺，具有工序少、成本低、制件性能好等特点，应用前景广阔，但该工艺是一多变量非线性时变系统，很难建立精确的数学模型，过程参数难于控制，限制了该工艺的实际应用。
