Digital twins of mechatronic machine tools for modern manufacturing

The article is devoted to the problem of the development of "digital twins" of technological equipment - it's specially organized and structured information models. The prospects for the use of digital twins for the organization of digital production and the problems associated with providing an adequate description of real mechatronic technological systems with their help are considered. It is shown that the creation of digital twins of technological equipment is a complex task associated with the integration of information and production technologies; therefore, its main solution is a systematic approach that defines the requirements for mathematical, informational and methodological support of digital productions. The advantages and disadvantages of various approaches to the formation of such models are considered. A combined technique for obtaining digital twins of mechatronic feed drives, forming a system for shaping CNC machines, which uses the results of finite element modelling and experimental data, is proposed. Using the example of drive identification, an experimental result shows the need to develop and implement scientifically based methods for constructing digital twins.