Academic literature on the topic 'Statics and dynamics parameters'

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Journal articles on the topic "Statics and dynamics parameters"

1

Pierrot, F., C. Reynaud, and A. Fournier. "DELTA: a simple and efficient parallel robot." Robotica 8, no. 2 (1990): 105–9. http://dx.doi.org/10.1017/s0263574700007669.

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SummaryThe DELTA parallel robot, designed by an EPFL (Ecole Polytechnique Fédérale de Lausanne) research team, is a mechanical structure which has the advantage of parallel robots and ease of serial robots modeling. This paper presents solutions for a complete modeling of the DELTA parallel robot (direct and inverse kinematics, inverse statics, inverse dynamics), with few arithmetic and trigonometric operations. Our method is based on a satisfactory choice of kinematic parameters and on a few restricting hypotheses for the static and dynamic models. We give some details of each model, we prese
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Awrejcewicz, J., V. A. Krysko, and I. V. Kravtsova. "Dynamics and statics of flexible axially symmetric shallow shells." Mathematical Problems in Engineering 2006 (2006): 1–25. http://dx.doi.org/10.1155/mpe/2006/35672.

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In this work, we propose the method for the investigation of stochastic vibrations of deterministic mechanical systems represented by axially symmetric spherical shells. These structure members are widely used as sensitive elements of pressure measuring devices in various branches of measuring and control industry, machine design, and so forth. The proposed method can be easily extended for the investigation of shallow spherical shells, goffer-type membranes, and so on. The so-called charts of control parameters for a shell subjected to a transversal uniformly distributed and local harmonic lo
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Arnold, Lutz G., and Wolfgang Kornprobst. "COMPARATIVE STATICS AND DYNAMICS OF THE ROMER R&D GROWTH MODEL WITH QUALITY UPGRADING." Macroeconomic Dynamics 12, no. 5 (2008): 702–16. http://dx.doi.org/10.1017/s1365100508070375.

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This paper replaces increasing product variety with quality upgrading in the Romer model [Romer, Paul M., Journal of Political Economy 98 (1990), S71–S102]. We show that the range of parameters for which a steady state exists can be divided into two subspaces with well-behaved comparative statics and saddle-point dynamics in one subspace, but with “perverse” comparative-statics properties and either equilibrium indeterminacy or instability in the other subspace. These results for the closed economy can also be used to characterize the dynamics of the M-country open-economy version of the model
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4

Voronin, Anatolii, and Olga Gunko. "METHODS OF COMPARATIVE STATICS AND DYNAMICS IN THE THEORY OF ECONOMIC CYCLES." Innovative Technologies and Scientific Solutions for Industries, no. 2 (16) (July 6, 2021): 46–53. http://dx.doi.org/10.30837/itssi.2021.16.046.

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The subject of this work is the problem of describing the dynamic behavior of the price in the market of one product. The typical balance of interaction of supply and demand functions depending on the price is considered. The dynamic model of price evolution is based on the assumption that the demand function at a given time depends on the supply function at all previous points in time, i.e. there is a process with an aftereffect. The core of the integral transformation is a characteristic of the second order, which can initiate periodic regimes in price variables. The aim of the work is to sy
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Zhu, Qidan, Peng Lu, Zhibo Yang, Xun Ji, and Yu Han. "Multi-Parameter Optimization for the Wet Steam Accumulator of a Steam-Powered Catapult." Energies 12, no. 2 (2019): 234. http://dx.doi.org/10.3390/en12020234.

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Selecting the optimal parameters for wet steam accumulator of steam-powered catapult is an important task, due to launching safety. There is no literature on the topic of the parameters optimization for wet steam accumulator of steam-powered catapult. The genetic algorithm (GA) was used to determine the optimal wet steam accumulator in this article. The sink-off-the-bow (SOB), angle of attack and rate of climb were used to create the objective function. The multi-objective optimization can be converted to single-objective optimization, which is subject to angle of attack and rate of climb. Mor
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Sun, Jian Gang, Tie Jun Li, Xue Sen Zhang, and Mei Ying Chen. "The Research on the Dynamics of High-Speed Friction and Wear Test System in Mechanical Engineering." Advanced Materials Research 644 (January 2013): 326–32. http://dx.doi.org/10.4028/www.scientific.net/amr.644.326.

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By researching the dynamics of high speed friction and wear test system, establish the statics and dynamics model of high-speed dial and get the equation of motion of turntable scrapers state. Using Ansys Workbench software platform analysis the order modal of the turntable, get the kinetic parameters of the system. Some suggestion and methods are proposed on avoiding vibration of turntable system.
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Nassar, H., Y. Y. Chen, and G. L. Huang. "A degenerate polar lattice for cloaking in full two-dimensional elastodynamics and statics." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 474, no. 2219 (2018): 20180523. http://dx.doi.org/10.1098/rspa.2018.0523.

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A lattice design of a cloak for full two-dimensional elasticity is suggested when the background continuum is isotropic with Lamé parameters (λ, μ ) satisfying μ ≤ λ. The lattice is polar in the sense that it elastically resists rotations; and is degenerate meaning it admits a stressless collapse mechanism. These characteristics are attained through the use of appropriately distributed restoring torques in conjunction with hinge-like spring-mass contacts. Thus, the lattice is proven to exhibit a rank-3 elasticity tensor lacking the minor symmetries. Accordingly, it rigorously adheres to the fo
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Zhou, Zhi, Xing Man Yang, Zhi Ming Zhao, and Gang Chen. "Strength Analysis of Towing Extending-Retracting Equipment Based on Dynamics and Statics." Advanced Materials Research 902 (February 2014): 173–78. http://dx.doi.org/10.4028/www.scientific.net/amr.902.173.

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With the increasing development of ocean engineering, towing extending-retracting equipment used widely is the basic platform realizing the engineer value of towfish. In this paper, the dynamic model of the equipment in rough sea condition is created based on Adams, and the operating parameters are determined by maximum dynamic load, as the input data of static model of the equipment. Then the static models of capture unit, swing arm and base frame are created to calculate the strength respectively. Lastly, from the results, the valuable suggestions are put forward to provide valuable referenc
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Li, Ying Ge, Dian Cai Geng, Fa Hu Zhang, and Dong Xing Du. "Proper Index of Foam Statics Characteristics on Predicting Foam Dynamics Behavior in Porous Media." Key Engineering Materials 561 (July 2013): 411–16. http://dx.doi.org/10.4028/www.scientific.net/kem.561.411.

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Proper foam statics index can give essential indications on foam dynamic behavior in porous media. In this paper, the statics characteristics are investigated through air-flow method for foam generated with Sodium Dodecyl Sulfate (SDS) surfactant. Parameters of foam height, foam half period time are recorded for various gas phases, surfactant concentrations and injecting gas flow rate, and foam morphology are also visually monitored. It is found the N2 generated foam has better characteristics on foam height, while poorer characteristics on foam half-time period compared to air and CO2 foam. W
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10

AKSENOVA, KSENIYA A., DMITRIY A. BELYAEV, and SERGEY A. KUTOMANOV. "REGULAR MECHANISMS FOR THE METAPHORIZATION OF QUANTITATIVE MEANINGS IN ITALIAN AND FRENCH: COMPARATIVE ANALYTICS." Cherepovets State University Bulletin 4, no. 103 (2021): 7–17. http://dx.doi.org/10.23859/1994-0637-2021-4-103-1.

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The paper aims at identifying metaphorization of quantitative lexemes as a basic means to form quantifiers. The research objective is to develop a classification of qualitative parameters for the Italian and French quantifiers. In particular, a structural approach is used, based on such methods of material analysis as the comparative-typological method, contextual analysis, and the method of lexicographic definitions. The authors pay attention to the identification of qualitative parameters, a set of properties that characterizes the quantifiers under study. All identified parameters are analy
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