模型制造

A large animal model of fulminant hepatic failure that closely mimics the clinical situation was established.

以0.75g/kg的半乳糖胺制造的急性肝功能衰竭的猪动物模型，符合人工肝脏研究对动物模型的要求。

Using object-oriented method the manufacturing system is abstracted and generalized, the function model and data model of the cell controller are established.

运用面向对象的分析方法，对制造系统进行了抽象和概括，建立了单元控制器的功能模型和数据模型。

Secondly, the paper is expanded from follow three aspects: the virtual design, the virtual process and the product data managementduring the developing the torque converter. Applying the key technique of concurrent engineering---design for function, design for assemblyand design for manufactureof the method of design for "X", the virtual design of the torque converter is accomplished in CATIA V5. Then the model constitution and the simulation of virtual process of the torque converter is done in CATIA V5, including the model constitution and the simulation of 5-aixe NC virtual process of the vane, the model constitution（material:PVC） of the idler pulley rapid prototypingand the virtual assembly and the motion simulation of the torque converter, etc. 3-D data exchange between various CAD systems is realized by using STEP standard. The lever of classing the character model of the torque converter is given. And the access authorization is set up and given to manage the partners' reading/writing the product data.

应用并行工程的关键技术之一——面向产品全生命周期的设计DFX中面向功能的设计DFF、面向装配的设计DFA和面向制造的设计DFM的方法，在CATIA V5中完成液力变矩器虚拟设计；在CATIA V5中对液力变矩器进行虚拟加工建模和仿真，包括液力变矩器导轮叶片五轴数控加工刀轨建模与仿真、导轮快速成型RP建模、液力变矩器虚拟装配和运动仿真等；采用STEP标准实现多CAD系统之间三维数据交换，提出液力变矩器特征模型的分级标准并对三维模型数据进行分级管理，制定相应的权限等级以规范合作厂家的产品数据管理层次。

Just under this background, this dissertation constructs agile manufacturing scheduleing model based on Agent technique and Contract Net's bidding mechanism with agent concept in computer field; under imperfect information model, dynaically optimized scheduling algorithm is put forward and optimized agile scheduling's project is obtained with the genetic algorithm.

本文正是在这种背景之下，结合智能计算领域的Agent概念，建立了把Agent技术与合同网投标机制结合构建了敏捷制造生产任务调度模型；在信息不完备模型下，提出动态调度优化算法，结合遗传算法求取敏捷调度的最优方案。

A logical product structure model was constructed which can describe the infinite product variants,and support to solve product configuration under the mixed environment of Assemble-to-Order and Make-to-Order. In order to be identified and managed ,Logical product structure model was described with the knowledge representation method based on production rule.Finally the feasibility of the method was confirmed by simulation of a simplification automobile product family.

构建了一种逻辑产品结构模型，它能够描述无限种可能的产品变体，支持解决按订单制造与按订单装配相混合环境下的产品配置问题；并用基于产生式规则的知识表示方法描述了逻辑产品结构模型，以便于计算机识别及处理，最后通过一个简化汽车产品族的案例仿真来验证本方法的可行性。

Owing to the complexity of CIMS' missions,the reliability modeling should adapt the production processes accurately.Conventional reliability model method can not reflect the time dynamic behavior of CIMS,so the multitask reliability model based on generalized stochastic Petri nets is established for a CIMS manufacturing shop with multiple missions and the process times of the machines with exponential distributions.Furthermore,analysis of GSPN model based on behavior expression and moment generating function is presented,then can compute the transfer functions.Finally,the multitask reliability can be easily obtained without the reachability graph of Petri nets,which measure can reflect the operating performance of the whole multitask CIMS more intuitively.

CIMS生产的复杂性要求其可靠性模型可以精确地反映生产过程，由于传统的可靠性建模方法无法兼顾CIMS的时间动态特性，所以针对一个复杂的有多个加工任务的CIMS制造单元，由于其机器加工工件的时间均为指数分布，则采用广义随机Petri网进行多任务可靠性建模，在此基础上基于Petri网行为表达式，将矩母函数思想引入其中，不必生成可达标识图就可通过计算模型的传递函数，进而得到整个系统的多任务可靠度，该可靠性指标可以更直观地反映具有多种加工任务的整个CIMS的运行性能。

According to analyzing features of multiformity and dynamic variability for designing and manufacturing knowledge of mechanical products under network environment,the 4-dimensional information model of product lifecycle-oriented information resources is presented in this project, and it is extended to become a product multidimensional information model with production data formation process.

本项目在对网络环境下机械产品设计制造知识的多样性和动态变化性特征分析的基础上，提出了面向产品全生命周期的4D信息模型，并将其扩展为一种以产品数据形成过程为核心的多维信息集成表述模型。

Shaws idea that chip could be regard as a series of parallel orthogonal slices, a computing model of cutting force and cutting temperature based on orthogonal cutting simulation results is constructed in chapter 4, and a map is established between the three-dimensional cutting process and planar orthogonal cutting process.

第五章针对航空整体结构件铣削加工变形这一复杂的制造难题，建立了三维铣削加工的弹塑性热力耦合有限元模型，研究了材料模型、残余应力施加、刀具动态载荷、材料去除等铣削加工模拟所涉及的关键技术。

This paper brings up with the theory of Virtual Coordinate Measuring System. The basic theoretic models of the virtual coordinate measuring system are given. This theory of virtual coordinate measuring system makes use of the principle of Time-Space correspondence and turns the time pulses into spatial displacement. The virtual coordinate measuring system can take the place of the scale system in traditional instruments, which has the disadvantages of high cost and difficulty ofproduction.

本文同时提出并建立虚拟坐标测量系统理论；该理论从传统的测量仪器出发，将传统仪器的实物标尺系统虚拟化，克服了实物标尺系统加工制造困难，及造价高等缺点，将硬件结构简化；本文提出并建立初步的虚拟坐标测量系统模型，并在三坐标测量机上建立了一维虚拟坐标测量系统的实验模型，初步分析系统的系统误差与其随机误差源。

For managing product development process of industrial enterprise in effect, method of constructing process model based on ProA modeling unit is put forward based on applying IDEF0, hierarchy Petri nets, object-oriented and analyzing relationship between activity and process.

为了有效对制造企业产品开发过程管理，在应用IDEF0模型、分层Petri网和面向对象设计方法并在分析活动和过程关系的基础上，提出了基于活动及其实现过程建模单元的过程模型的建立方法。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。