Mechanics of Solids (about journal) Mechanics of Solids
A Journal of Russian Academy of Sciences
 Founded
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Issued 6 times a year
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IssuesArchive of Issues2021-2pp.242-249

Archive of Issues

Total articles in the database: 4932
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Gevorgyan H.A., "Problem on Optimizing the Motion of an Elastic Tracking Manipulator," Mech. Solids. 56 (2), 242-249 (2021)
Year 2021 Volume 56 Number 2 Pages 242-249
DOI 10.3103/S0025654421020072
Title Problem on Optimizing the Motion of an Elastic Tracking Manipulator
Author(s) Gevorgyan H.A. (Institute of Mechanics National Academy of Sciences of the Republic of Armenia, Yerevan, 0019 Republic of Armenia, hrgevorkian@mail.ru)
Abstract Relevant problems on modeling mechanisms with elastic links imply the improvement of existing formalisms and algorithms for dynamic analysis, synthesis, and optimal control of the considered class of systems. At the same time, modern research in this area is mainly focused on increasing the speed of computational algorithms without decreasing in the accuracy. If elastic multi-link dynamical systems that do not include closed kinematic chains can be comprehensively investigated using the approach without inversion of the mass matrix (generalized Newton-Euler method), then elastic mechanisms with closed kinematic chains should be studied using the methods with inversion of the mass matrix. The latter class includes the problem on finding the conditional minimum of the action functional in the sense of Ostrogradsky in the presence of holonomic (geometric) additional constraints. In this article, we analyze the problem on optimizing the motion of an elastic three-link tracking manipulator that consists in minimizing the function of deviation of the actuator from a predetermined circumferential trajectory. This problem is also reduced to finding the conditional minimum of the Ostrogradsky action functional in the presence of a holonomic additional constraint.
Keywords tracking manipulator, motion optimization, trajectory of actuator motion, deflection function, elastic deformations
Received 05 February 2020Revised 08 February 2020Accepted 12 February 2020
Link to Fulltext https://link.springer.com/article/10.3103/S0025654421020072
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