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Information × Registration Number 0219U005269, 0117U006809 , R & D reports Title Quasilinear transformations of space and their use for the design of technical shapes of surfaces popup.stage_title Head Shcherbak Andrii Svsatoslavovych, Registration Date 23-07-2019 Organization Dnipropetrovsk National University of Railway Transport named after Academician V.Lazaryan popup.description2 The paper discusses a geometric model of a ruled unfolded surface, the conditions for the existence of such a surface and provides a generalized algorithm for constructing a surface, regardless of the type of working body or engineering product. One of the most common surfaces in technology is ruled, among which the deployed due to their differential parametric properties occupy a special position: the tangent plane contacts the surface along the whole straight line generator and does not change its position in space when the point of contact changes; Surfaces can be made by folding sheet metal. These provisions make it possible to save considerable material and energy resources in the manufacture of products, therefore the development of geometric models of such surfaces is an important task. Developed approaches to solving the problem of recognizing the conditions of wear of the message under study, depicted by its conceptual model; the corresponding algorithms of computing procedures are built; a mathematical model has been developed that determines the influence of the parameters of the contacting surfaces on their operational property - linear wear rate during the period of normal wear; For this model, the theoretical prerequisites for use in the study of an arbitrary message are indicated. At present, serious results have been obtained in these areas, which are at the level of modern requirements of design engineering. In the process of parametric optimization of a model, a set of desired values of surface parameters is formed. Algorithms of automatic recognition of the features of the design and operation of messages by their images are formed, set by structured sets of formalized features. The recognition result is the assignment of a message to a specific group, each of the set of which corresponds to an individual computational model for rationing quality parameters. Product Description popup.authors Бочарова Наталя Петрівна Данилова Олеся Сергіївна Краснюк Андрій Віталійович Попудняк Юрій Якович Старосольська Тетяна Василівна Татарінов Олександр Федорович Щербак Андрій Святославович popup.nrat_date 2020-04-02 Close