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- W4226072012 abstract "The work is devoted to the development of a method for predicting the technical progress of self-propelled grain and forage harvesters and the substantiation of systems for their implementation. The necessity of improving the existing and developing new methods for predicting the properties of machinery, taking into account the existing features of the agro-industrial enterprises operation, were substantiated. A new technique for the synthesis of the technical appearance of products is proposed with the possibility of identifying the nomenclature of defining parameters based on the actual change in their values, ranking indicators with highlighting the most important of them for each category of business entities, forecasting using fuzzy logic methods, as well as justification of required machine systems of new generations using object-oriented design methods. A description of each of the stages of the forecasting process is given. On the basis of mass-produced grain and forage harvesters in Russia, an analysis of their constructive evolution with the allocation of stable and inherited development criteria has been carried out. A comparative analysis of the actual change in the defining parameters for machinery of the current and previous generations is shown. The technique and the results of forecasting the selected defining parameters are presented. It is shown that the predicted level of properties forms multidirectional requirements, which, from the point of view of implementation on the basis of existing design approaches, are contradictory. Taking into account the existing problems of motion dynamics and vibration loading of the workplace of operators of machinery of the current generation, it is stated that those multidirectional requirements are unattainable. Using the methods of object-oriented analysis, an object-target diagram of classes of possible options for constructing a vibration protection system for machinery of a new generation has been compiled. The relations of inheritance, which established the hierarchical decomposition of goals, were determined. It is shown that it is more expedient to control the selected vibration processes of combines without significant changes in their design and layout by means of systems for dynamic stabilization of the body and vibration isolation of the operator's workplace." @default.
- W4226072012 created "2022-05-05" @default.
- W4226072012 creator A5070979410 @default.
- W4226072012 date "2021-12-15" @default.
- W4226072012 modified "2023-09-27" @default.
- W4226072012 title "Method for predicting the technical appearance of grain and forage harvesters of new generations with a substantiation of the structure of their vibration protection system" @default.
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- W4226072012 doi "https://doi.org/10.17816/0321-4443-2021-6-15-28" @default.
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