Narrow Results

This paper outlines a framework which supports the use of multiple perspectives in system development, and provides a means for developing and applying systems design methods. The framework uses "viewpoints" to partition the system specification, the development method and the formal representations used to express the system specifications. This VOSE (viewpoint-oriented systems engineering) framework can be used to support the design of heterogeneous and composite systems. We illustrate the use of the framework with a small example drawn from composite system development and give an account of prototype automated tools based on the framework.

Three-dimensional (3D) CAD models are useful for applications in the areas of CAD/CAM/CAE/CAQ. A desirous trend creating this model is a 3D model reconstruction from views. With this method, geometric information can be easily entered into computers while continuing to use existing 2D drawings in modern applications. Most of the previous works used three views as the input despite many common parts represented by only two views. A reconstruction system using only two views is the subject of this work. The proposed method has been implemented and tested by an Objectarx 2015 program running on AutoCAD 2018. The resultant 3D Solid model has been evaluated for compatibility with CAM/CAQ/CNC systems.