Abstract
The development of individual respiratory protection (masks) during a coronavirus pandemic is relevant. Modern technologies of design and manufacture allow creating masks taking into account individual anatomical features of the person. The paper considers different types of construction of protective masks. It is necessary to create masks taking into account the anatomical features of the person. To address this issue, various countries are holding competitions to create a new generation of masks, such as the Mask Innovation Challenge in the United States. We offer creation of a protective mask with use of modern computer technologies on the basis of information model. The general approach and an option of practical realization of creation of a mask taking into account individual features of the person are considered. The information model has 5 main stages of creating a protective mask. To create a model of the human head, the method of photogrammetry is used, when its three-dimensional model is formed from two-dimensional photographs. On the surface of the head model in the program Autodesk 3DS Max created the basis of the mask frame using retopology technology. Then a three-dimensional solid model of the mask frame was developed, which was tested for mechanical loads when changing facial expressions. The creation of a solid model of the mask frame and simulation of mechanical loads were carried out in the program Autodesk Fusion 360. Fabrication of the supporting frame of the mask using additive technology is simulated. As a result, a mask is created using a replaceable multilayer filter. A further development of the work is the design of a reusable mask using different types of filters.
Highlights
We propose to create a protective mask using modern computer technologies based on an information model
After determining the filter element, we develop a technology for manufacturing the mask frame
The information model includes all sequential stages of mask creation
Summary
The development of personal respiratory protection (masks) is currently very relevant during the coronavirus pandemic. The aim of the work is to create a protective mask taking into account the individual characteristics of a person using modern computer technologies based on a three-dimensional information model. To create a mask with an individual approach, it is necessary to obtain a 3D model of the head with the face of the person for whom this mask will be created In this case, we are talking about the creation of a 3D model, the real analogue of which cannot have a clear drawing due to the unlimited number of unique parameters. The photogrammetry program allows you to create a 3D model of the face.
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