Abstract: In the design of mast and signal equipment, the design of mast such as radar mast and foremast is very complex, with more sections, frequent design changes and heavy workload. A three-dimensional (3D) design method for the mast and signal equipment is presented aiming at the design of the radar mast and foremast in the mast and signal equipment based on the CATIA knowledge engineering. A parts library of mast and signal equipment products has been established through knowledge engineering by utilizing the ability of the CATIA knowledge engineering to reuse models. By directly calling the existing parts library in the design, the product parts are organized in the hierarchical framework to complete the 3D design of the mast and signal equipment with the design knowledge as the core. The design procedure and method of the radar mast on a ship are also introduced. This design method can effectively shorten the design cycle, improve the utilization of the design knowledge and reduce the modification workload and error rate.

Key words: CATIA, knowledge engineering, 3D design, mast and signal equipment

摘要： 在桅樯信号设备设计中,雷达桅、前桅等桅杆设计复杂繁琐、剖面较多、设计改动频繁且工作量较大。该文针对桅樯信号设备中的雷达桅、前桅等桅杆设备的设计问题,提出一种基于CATIA知识工程的桅樯信号设备三维设计方法。利用CATIA知识工程重用模型的能力,通过知识工程构建一个桅樯信号设备产品零件库,设计中直接调用已有零件库,将产品零部件以层级式结构组织起来,完成以设计知识为核心的桅樯信号设备三维设计;并以某型船的雷达桅设计为例,介绍了设计流程及方法。该设计方法可有效缩短设计周期,提高设计知识利用率,降低修改工作量及出错率。

关键词: CATIA, 知识工程, 三维设计, 桅樯信号设备