The article elucidates the issue of increasing the efficiency in designing systems for stretching synthetic sewing thread using automated computational procedures of a guided random search for controlled parameters.
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V.Ya. Entin, E.K. Vasil’eva, and T.L. Platonova, Izv. Vuzov. Tekhnol. Leg. Prom-sti [In Russian], 33, No. 3, 21-26 (2016).
V.A. Klimov, V.D. Lekus et al., Design and Calculation of Dynamic Systems [In Russian], Mashinostroenie, Leningrad (1974).
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Translated from Khimicheskie Volokna, No. 4, pp. 21-25, 2021.
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Appendix
where c – spring stiffness; cd = cm= ce – motor constant; R, L – active and inductive resistance of the motor windings; kd – damping coefficient; kng – gain factor; r – bobbin radius; X – thread tension; Ur – reference voltage, supplied to the motor winding at a constant linear speed; Mm, ω – torque and angular speed of the motor.
where \( {\Delta }_2={a}_0{a}_2/{a}_1^2,{\Delta }_3={a}_3{a}_1/{a}_2^2,{\Delta }_4={a}_4{a}_2/{a}_3^2,{\Delta }_5={a}_5{a}_3/{a}_4^2,\dots, {\Delta }_n={a}_n{a}_{n-2}/{a}_{n-1}^2 \).
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Entin, V.Y., Platonova, T.L. Development of Optimization Algorithms for the Parametric Synthesis of Control Systems. Fibre Chem 53, 242–246 (2021). https://doi.org/10.1007/s10692-022-10277-7
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DOI: https://doi.org/10.1007/s10692-022-10277-7