2021 Fiscal Year Final Research Report
Study on Retrieval of 3D CAD Sub-models with Assembly Structure
Project/Area Number |
18K11317
|
Research Category |
Grant-in-Aid for Scientific Research (C)
|
Allocation Type | Multi-year Fund |
Section | 一般 |
Review Section |
Basic Section 60080:Database-related
|
Research Institution | Tokyo Metropolitan University |
Principal Investigator |
Katayama Kaoru 東京都立大学, システムデザイン研究科, 准教授 (00336520)
|
Project Period (FY) |
2018-04-01 – 2022-03-31
|
Keywords | 三次元CAD / アセンブリ / 部分検索 / 三次元ラドン変換 / 部品配置 |
Outline of Final Research Achievements |
We develop the methods to find 3D CAD assembly models which contain or are contained in another assembly model given as a query from a database of assembly models. The methods can distinguish not only whether an assembly model consists of a subset of components constituting the query model but also whether the subset of components has the same geometric layout as the query model. The components which have the same shape but are made of different materials are also distinguished. In order to make the methods robust over differences in positions and orientations of assembly models, we use the projections of components from various angles.
|
Free Research Field |
データ工学
|
Academic Significance and Societal Importance of the Research Achievements |
三次元CADモデルを対象とした検索方法に関する研究は様々存在するが、アセンブリ構造を考慮した部分モデルの検索方法に関する研究は多くはなく、部品の形状と配置の違いについて本研究のように高い精度で区別する技術は見られない。三次元CADモデルにおける部品の配置アセンブリ構造には製品開発上のノウハウが含まれており、従来のモデルを再利用することにより、性能や安全性の高い製品を開発することができると期待される。
|