A hybrid interactive feature recognition method based on lightweight model
Lightweight model describes the geometry of an object in terms of triangular meshes, lines and points, which are low level and not suitable for feature recognition. For that reason this paper constructs a feature-oriented lightweight model and represents the lightweight model with Boundary representation (B-rep), which describes the geometry with faces, loops, edges, and vertexes. And then extract features from B-rep using a hybrid interactive feature recognition method, first, pick a face which compose of the feature, and then establish features concave graph by the algorithm of judging adjacency relationship between faces, and then match the concave graph with pre-defined feature template to realize feature recognition, finally, add non-geometric technological information, which is necessary for process planning. A sample application was developed to illustrate the feasibility and validity of the method proposed.
feature recognition lightweight model attributed adjacency graph computer aided process planning
Fujun Tian Xitian Tian Junhao Geng Zhouyang Li Zhenming Zhang
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education Northwestern Polytechnical University Xian, China
国际会议
长沙
英文
113-117
2010-03-13（万方平台首次上网日期，不代表论文的发表时间）