Computer Aided Information Acquisition System of Design and Manufacturing in Shipbuilding

为了在设计和制造方面取得显著的进步，系统集成是当今所有行业最重要的关键技术。本文对计算机集成设计与制造中的船舶定义系统进行了研究。我们已经建立了一个系统，用于广泛的集成从设计到制造的造船。我们使用面向对象的概念来描述一个船舶模型。1)在设计阶段，引入两类对象。一个是部分对象，它陈述几何属性及其属性。另一种是连接对象，表示部分对象之间的连接关系。2)在制造阶段，介绍了两类功能。一种是切割功能，用于将结构设计成小块。另一个是组装功能，用于将这些部件组装成一个大模块。3)引入操作对象进行调度。具体操作说明请参见“操作对象”。要做什么样的工作，使用什么样的设备，需要多长时间来完成操作，实际上都被描述了。4)该系统不仅考虑了产品建模，还考虑了工厂建模。设备模型、工人模型、操作模型等是描述工厂模型的重要方法。从结构设计到生产计划，任何存储一次的数据都可以在任何阶段被引用。从这个系统中可以获得一些信息。例如，用于流程规划和调度的信息。

In order to make remarkable progress in design and manufacturing, systems integration is the most important key technology for all industries today. In this research, we discuss ship definition system in computer integrated design and manufacturing. And we have built a system that is used in wide range of integration from design to manufacturing for Shipbuilding. We used object oriented concept to describe a ship model.1) In design stage, two types of objects are introduced. One is Part Object which states geometrical properties and its attributes. The other is Connection Object which states connective relation between part objects.2) In manufacturing stage, two types of functions are introduced. One is cutting function that is used to design structure into small pieces. The other is assembling function that is used to assemble those pieces to a large module.3) Operation Object is introduced for scheduling. Operations are described in Operation Objects. What kind of job is to do, what kind of facility is used and how long it takes to do the operations are described, actually.4) In this system, not only product modeling but also factory modeling are also considered. Facility model, workman model, operation model and so on are very important to describe factory model. And any data which are stored once may be referenced at any stage from structural design to production planning stage.5) Some information can be acquired form this system. For example, information for process planning and scheduling.