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Study of Stability Conditions of the “Electric Drive Motor - Technological Mechanism” System


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DOI: https://doi.org/10.15866/iree.v18i2.22925

Abstract


The paper proposes the conditions of stability of the widely used in technological processes of the “Electric drive motor – technological mechanism” system and the algorithm of its providing. It is proved that the well-known works on the study of the stability modes do not make it possible to form a complete picture of the stability of the “Electric drive motor - technological mechanism” system operation. This is because, in the well-known works, the possibilities of working in a stable mode of operation of only individual components of the electric drive system are considered in particular detail. It has been established that the stability of the system is largely due to the rigidity of coupling of its elastic links, which changes during operation. The stability conditions of the system are obtained, including the characteristic parameters of an electric motor, an elastic link, and a technological mechanism. The experimental studies conducted to assess the stability margin of the “Electric drive motor-technological mechanism” system confirm the possibility of stable operation of the system while providing the conditions obtained. An algorithm for providing the stability of the system is proposed. The results obtained can be successfully applied both for diagnostics and for the development of automated control systems, which will make it possible to prevent possible emergency modes in the system by providing stability conditions.
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Keywords


Stability; Rigidity of Coupling; Technological Mechanism; Electric Drive

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References


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