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Journal articles on the topic 'Drive of the main movement'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Slobodzyan, N. S. "Evaluation of open-loop linear drive accuracy achieved by calibration and linear thermal expansion compensation." Radio industry (Russia) 29, no. 2 (2019): 54–61. http://dx.doi.org/10.21778/2413-9599-2019-29-2-54-61.

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The study is a part of the current work on the design and creation of a precision mechanism with parallel kinematics such as a space hexapod. The positioning accuracy and repeatability of the movable platform of the machine relative to its fixed base in the structure under consideration depends on the accuracy of the actuating elements of the hexapod – linear drives. The aim of the work is to assess the achievable accuracy of the linear drive, taking into account the main factors affecting the accuracy of its rod movement. The article describes the studies of the accuracy of the open-loop line

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PETROV, L. M., I. V. KISHIANUS, S. V. VERPIVSKYI, O. A. MALINOVSKYI, V. A. NIKISHYN, and S. V. SHELUHIN. "ELEMENTS OF THE THEORY OF DYNAMIC DEVELOPED SUSPENSION MILITARY VEHICLE." Вісник Херсонського національного технічного університету, no. 2(89) (July 1, 2024): 50–56. http://dx.doi.org/10.35546/kntu2078-4481.2024.2.7.

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The wheel drives of a military vehicle are intended for its movement to satisfy the performance of technological tasks in the zone close to combat, but this requirement is not fully satisfied. This is related to the performance of the above tasks in difficult conditions, in off-road conditions. In order to ensure the mandatory performance and reliability of technological movements in such conditions, construction specialists focused their actions on improving the running gear, especially the suspensions. The article deals with the theoretical research of the design of the developed suspension

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Belov, M. P., O. A. Kundyukov, V. I. Korolev, and A. A. Naumov. "Study of the Possibility of Using the Electric Motor of the Main Movement of the Machine with a Reduced Number of Steps of the Gearbox and Frequency Converter." LETI Transactions on Electrical Engineering & Computer Science 16, no. 5 (2023): 68–80. http://dx.doi.org/10.32603/2071-8985-2023-16-5-68-80.

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Modern methods of modernization of the drives of the main movement of lathes are considered. The optimization of the operation of the FT-11 screw-cutting lathe was carried out by simplifying the kinematic chain of the main movement drive and introducing frequency-controlled speed control. The optimization takes into account the capabilities of the motor bearings as well as the converter. In the mathematical environment MatLab & Simulink, a block diagram was built to calculate the critical moment brought to the spindle, as well as diagrams for constructing the mechanical characteristics req

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Ma, Shao Jun. "The Design of Two Pendulums Spherical Robot." Applied Mechanics and Materials 312 (February 2013): 741–44. http://dx.doi.org/10.4028/www.scientific.net/amm.312.741.

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A spherical robot driven by two pendulums is designed, which is actuated by both the eccentric force and the inertial force generated by the inner drive unit when the robot is in motion. This improved drive manner improve the eccentric mass ratio greater than the robot total mass, can provide more eccentric moment and the moment of inertia, so that the robot has a higher speed of movement, Through the analysis of movement principle and design to complete the structural model and the main components of the spherical robot design.

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Trukhanov, K. A. "CALCULATION OF THE MAIN ELEMENTS OF HYDRAULIC AUTOMATION OF SUBSEA X-TREE." Spravochnik. Inzhenernyi zhurnal, no. 339 (June 2025): 67–78. https://doi.org/10.14489/hb.2025.06.pp.067-078.

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At the designing a hydraulic system of Subsea X-Tree (Subsea XT), it is necessary to determine the parameters of all actuators and control devices (elements of hydraulic automation) of the hydraulic system, and also to confirm that the designed elements of hydraulic automation and the hydraulic system as a whole are reliable and safe and meet operational requirements in all modes of operation of hydraulic drives and in their mutual influence on each other during their joint operation. The article considers the issues of creating a mathematical model of Subsea XT drives, calculating and selecti

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Sadovets, V. Yu, V. Yu Beglyakov, and А. B. Efremenkov. "Simulation of Geokhod Movement with Blade Actuator." Applied Mechanics and Materials 770 (June 2015): 384–90. http://dx.doi.org/10.4028/www.scientific.net/amm.770.384.

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Riabov, Y. S., L. Y. Kondratieva, L. V. Overianova, B. K. Yeritsyan, and S. O. Hulak. "Justification of the Structure of the Electric Traction Drive of the Electric Locomotive for Railway Quarry Transport." Science and Transport Progress, no. 2(98) (June 17, 2022): 26–44. http://dx.doi.org/10.15802/stp2022/267984.

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Purpose. The study is aimed at substantiating the structure and determining the main parameters of the traction electric drive of an electric locomotive for railway quarry transport, taking into account its modes of operation. Methodology. The research was carried out by means of mathematical modeling, which included solving the traction problem and evaluating the parameters of the energy exchange processes between the components of the traction electric drive. The simulation was carried out for the movement of the train along the track section and during shunting, which differ significantly i

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Fidrovska, Nаtalya, Alexsandr Yarizhko, and Igor Krupko. "Features of the construction and justification of the main parameters of the walking movement mechanism technological machines." Bulletin of Kharkov National Automobile and Highway University, no. 95 (December 16, 2021): 129. http://dx.doi.org/10.30977/bul.2219-5548.2021.95.0.129.

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The peculiarities of the design and process of movement of technological machines equipped with a four-axle stepping motor with the method of determining the main parameters of such a mechanism are considered. The factors influencing the operation of the drive of such a mechanism, their impact on efficiency and the main ways to improve such a mechanism of movement are shown.

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LEVY, D. V., and N. Y. LAKALINA. "DEVELOPMENT OF ELEMENTS OF AN AUTOMATED DESIGN SYSTEM FOR THE MAIN MOVEMENT DRIVES OF METAL–CUTTING MACHINES WITH THE FORMATION OF TECHNICAL DOCUMENTATION IN COMPASS–3D." Fundamental and Applied Problems of Engineering and Technology, no. 6 (2021): 26–32. http://dx.doi.org/10.33979/2073-7408-2021-350-6-26-32.

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The aim of the work was to develop elements of an automated design system for the main movement drives of metal–cutting machines. As automated subsystems, design modules for belt drives, couplings, gearboxes, spindle assemblies and a module for selecting an electric motor to drive the main movement of metal–cutting machines have been developed. Also, for all the developed modules, automated generation of design documentation in the Compass–3D system is provided, namely, parameterized 3D models and associative drawings of the elements of the main movement drives of metal–cutting machines. The d

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Alimi, Eitan, Lorenzo Bosi, and Chares Demetriou. "Relational Dynamics and Processes of Radicalization: A Comparative Framework." Mobilization: An International Quarterly 17, no. 1 (2012): 7–26. http://dx.doi.org/10.17813/maiq.17.1.u7rw348t8200174h.

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We propose an explanatory framework for the comparative study of radicalization that focuses on its "how" and "when" questions. We build on the relational tradition in the study of social movements and contentious politics by expanding on a mechanism-process research strategy. Attentive to similarities as well as to dissimilarities, our comparative framework traces processes of radicalization by delineating four key arenas of interaction—between movement and political environment, among movement actors, between movement activists and state security forces, and between the movement and a counte

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Zhang, Bin. "The Automatic Up-Down Material Manipulator Wrist 3d Design." Applied Mechanics and Materials 246-247 (December 2012): 697–701. http://dx.doi.org/10.4028/www.scientific.net/amm.246-247.697.

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The automatic up-down material manipulator wrist requirements compact structure, rational layout. The typical wrist structure has a variety of, this design wrist structure for step motor drives a turbine worm movement of the structure, main function is to drive the PAWS, make its can accurately to grab parts and placed parts. Operation mode for step motor drive worm and worm wheel rotation, and then drive the turn of the wrist. Through the design of the wheel of worm gear and worm gear design, step motor selection, etc, and then, a 3 d design, and gives a picture.

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Amer Alasadi, Basim Turki Alyousif, and Noor Fadhil. "Proteins in the kinetochore generate forces to drive chromosomes movement." GSC Biological and Pharmaceutical Sciences 20, no. 2 (2022): 046–51. http://dx.doi.org/10.30574/gscbps.2022.20.2.0313.

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To accomplish the precise segregation of chromosomes, the kinetochore must be form incentive interaction with motor proteins. Any error happens in chromosome segregation led to aneuploidy that consider as main factor to cause the cancers and many birth defects. Kinetochore is a proteinous complex structure consist of a hundred of proteins. It’s performed many functions such as it connects movement of chromosomes to microtubule, it acts as observer for chromosomes biorentation, beside the main role in chromosomes segregation. In this review we described the proteins content of kinetochore and t

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Amer, Alasadi, Turki Alyousif Basim, and Fadhil Noor. "Proteins in the kinetochore generate forces to drive chromosomes movement." GSC Biological and Pharmaceutical Sciences 20, no. 2 (2022): 046–51. https://doi.org/10.5281/zenodo.7133307.

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To accomplish the precise segregation of chromosomes, the kinetochore must be form incentive interaction with motor proteins. Any error happens in chromosome segregation led to aneuploidy that consider as main factor to cause the cancers and many birth defects. Kinetochore is a proteinous complex structure consist of a hundred of proteins. It’s performed many functions such as it connects movement of chromosomes to microtubule, it acts as observer for chromosomes biorentation, beside the main role in chromosomes segregation. In this review we described the proteins content of kinetochore

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ЗАЛЮБОВСЬКИЙ, МАРК, ІГОР ПАНАСЮК, СЕРГІЙ КОШЕЛЬ та ГАННА КОШЕЛЬ. "АНАЛІТИЧНЕ ДОСЛІДЖЕННЯ ГЕОМЕТРИЧНИХ ПАРАМЕТРІВ СТАТИЧНО ВИЗНАЧЕНОГО ШАРНІРНОГО ПРОСТОРОВОГО МЕХАНІЗМУ ГАЛТУВАЛЬНОЇ МАШИНИ". Herald of Khmelnytskyi National University. Technical sciences 349, № 2 (2025): 150–59. https://doi.org/10.31891/2307-5732-2025-349-22.

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The kinematic chain of an eight-link articulated statically determined spatial mechanism with rotational and one translational kinematic pair, which underlies a tumbling machine with complex spatial motion of the working capacity, is considered. Analytical studies of the main geometric parameters of the tumbling machine have been carried out. The relationship between the corresponding geometric parameters of the eight-link articulated statically determined spatial mechanism of the tumbling machine has been determined, which makes it possible to determine rational ratios of the lengths of the m

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Kuznietsov, Yurii, Ľubomír Šooš, Vasyl Shynkarenko, et al. "CURRENT STATUS AND DEVELOPMENT PROSPECTS OF MOTOR-SPINDLES FOR MACHINE TOOLS." Journal of the Technical University of Gabrovo 65 (December 2022): 28–31. http://dx.doi.org/10.62853/keqb3628.

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The materials of the article show the global trend for high-speed processing on machine tools, which consists in the transition from multi-link drives of the main rotary movement to a single-link drive, where the spindle unit of the machine tool is made in the form of a motor-spindle, the stator of which is the body of the spindle unit, and the rotor is the spindle. Currently, self-acting motorspindles that perform rotational and longitudinal forming movements are not manufactured. It was possible to combine these movements in the motor-spindle design thanks to the universal genetic crossing o

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Abidov, K., K. Dadajanov, U. Absoatov, and S. Sabitov. "System of consistent rotation of speeds of drive electric motors of movement mechanisms of overhead cranes." E3S Web of Conferences 383 (2023): 04053. http://dx.doi.org/10.1051/e3sconf/202338304053.

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work is devoted to the study of the electric drive of overhead cranes and the creation of a new reliable system of a multi-motor electric drive with a coordinated rotation of the speeds of the drive motors of the movement mechanisms of overhead cranes. The electromechanical travel system of an overhead crane is a complex multi-mass elastically connected system controlled by a multi-motor electric drive, which is subject to a large number of force factors. The main trends in the development of the electric drive of overhead cranes are to increase the reliability of its operation and the range o

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da Costa Neves, Carlos Guilherme, Aly Ferreira Flores Filho, Mateus Felipe Goettems, and Pablo Augusto Machado Borges. "Pseudo direct drive simulation and analysis." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 5 (2018): 1722–31. http://dx.doi.org/10.1108/compel-01-2018-0008.

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Purpose The purpose of this paper is to simulate a pseudo direct drive (PDD) by using permanent magnet arrays. Design/methodology/approach A 2D finite element model of the PDD was built. The static magnetic torque on air-gaps was obtained by Coulomb’s virtual work method using Ansys Maxwell software. To simulate the relative movement between input rotor and output rotor, two movement bands were applied. Findings The PDD’s torque relation was proved. The PDD simulated presents low cogging torque. Practical implications The manufacturing steps and materials applied in a construction of a coaxial

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Reisinezhad, Arash, and Parisa Farhadi. "Cultural Opportunity and Social Movements." Sociology of Islam 4, no. 3 (2016): 236–60. http://dx.doi.org/10.1163/22131418-00403004.

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The emergence of the Arab Spring in 2010 heralded a deep transformation within Muslim societies as well as the geopolitical arrangement of the region. These movements emerged after a non-Arab movement, the Iranian Green Movement in 2009, with which they shared various characteristics, ranging from its broad use of virtual space to movement without a classic leadership. While a large body of movement literature links the formation of social movement to either the structural opportunities or rational choice theory, the present paper addresses the cultural opportunity as a main facilitator-constr

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Oleksii, Shvets, Koruniak Petro, and Berezovetskyi Serhiy. "ELECTRODE WIRE FEEDER FOR MIG/MAG AND TIG WELDING PROCESSES." Vibrations in engineering and technology, no. 1(112) (April 22, 2024): 41–46. http://dx.doi.org/10.37128/2306-8744-2024-1-5.

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The electrode wire feeding mechanisms of welding machines are designed to transport the electrode wire from the spool to the welding zone at a constant, predetermined speed or at a speed that varies according to a given law. One of the most promising areas for improving arc welding and surfacing equipment is to control the transfer of electrode metal by pulsing the electrode wire. Therefore, the feeding mechanisms of welding machines must ensure compliance with the conditions of continuous feeding at a constant speed or pulsed feeding with an intermittent movement. The problem of forming pulse

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Timofeev, G. A., V. V. Panyukhin, V. V. Samoilova, and E. S. Novikov. "Research of the Cylindrical Self-Braking Gears Effect on the Drive Operation in Various Modes." Proceedings of Higher Educational Institutions. Маchine Building, no. 5 (746) (May 2022): 27–34. http://dx.doi.org/10.18698/0536-1044-2022-5-27-34.

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Many electromechanical drives require the fixation of the output link in a given position and the prevention of its spontaneous movement under load. To ensure this, the drive is usually equipped with a brake. However, in many cases it is possible to do without a special braking mechanism if a self-braking mechanism (gear) is included in the drive, which combines the functions of transferring motion and automatic braking the drive after the engine is turned off. This solution allows obtaining a simple and compact structure and reducing the cost of the drive by eliminating the brake. Dynamic mod

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Pavlenko, Tetiana, Nadiia Hablovska, Oleksandr Kiianiuk, and Yurii Kubiievych. "Perspectives of linear motors in electrical engineering." InterConf, no. 35(163) (July 20, 2023): 263–71. http://dx.doi.org/10.51582/interconf.19-20.07.2023.025.

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The use of electric linear motion machines is one of the main directions of scientific research in the more advanced drive systems development. The relevance of this direction is due to a wide range of tasks that are set for electric drive systems and the complexity of their designs resulting from various kinematic chains. One of the advantages of using linear electric motors is their ability to compete successfully with other types of drives in many branches of technology, such as automation, instrumentation, robotics, medical technology, etc. The absence of a converter and the ability to per

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Djuraev, A. D., and S. S. Ortikov. "CHAIN TRANSMISSION-RELIABLE AND EFFICIENT." RUSSIAN ELECTRONIC SCIENTIFIC JOURNAL 36, no. 2 (2020): 86–92. http://dx.doi.org/10.31563/2308-9644-2020-36-2-86-92.

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Chains used in mechanical engineering by the nature of their work are divided into three main groups: drive, traction and cargo. Drive chains are the most common. They transmit movement from the energy source to the receiving organ of the machine. The object of the invention is to ensure the transmission of motion in three-row chain gears when transmitting high power and to ensure the uniformity of movement of the driven sprockets. This task is solved by improving the design of the chain transmission by installing sprockets with a phase shift and performing the chains of all three rows separat

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Alhanov, Daniil S., and Vasily I. Rubtsov. "Development of the Laboratory Work: “Modeling of a Mobile Robot on Mecanum Wheels Kinematics”." ITM Web of Conferences 35 (2020): 04001. http://dx.doi.org/10.1051/itmconf/20203504001.

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The basis of any mobile robot is the chassis of a structure. The chassis is a set of parts that provide the mechanical energy transfer from the engines to the engine active elements, combined with the drives in a functional structural subsystem. The chassis and the applied propulsion determine both the mobile robot design appearance and its functional capabilities, the main of which is the ability to move in given conditions. Omnicycle movement is used in modern robotics to get additional maneuverability of the device in combination with increasing the efficiency of using a limited level of en

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S., G. Buriakovskyi, S. Maslii A., V. Pasko O., and V. Smirnov V. "MATHEMATICAL MODELLING OF TRANSIENTS IN THE ELECTRIC DRIVE OF THE SWITCH – THE MAIN EXECUTIVE ELEMENT OF RAILWAY AUTOMATION." Electrical engineering & electromechanics, no. 4 (August 21, 2020): 17–23. https://doi.org/10.20998/2074-272X.2020.4.03.

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<strong><em>Goal.</em></strong><em> To develop a mathematical and imitation model of the electric drive of the railroad switch as a two- and three-mass electromechanical system based on DC and AC motors as the main executive element of railway automation. The modelling is based on the parameters of the SP-6m switches as the main modification of the executive element of the Ukrainian domestic railways automation system. <strong>Methodology.</strong> The authors have presented the mechanical part of the railroad switch as a three-mass construction scheme with serial connection of

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Battle, Christopher, Carolyn M. Ott, Dylan T. Burnette, Jennifer Lippincott-Schwartz, and Christoph F. Schmidt. "Intracellular and extracellular forces drive primary cilia movement." Proceedings of the National Academy of Sciences 112, no. 5 (2015): 1410–15. http://dx.doi.org/10.1073/pnas.1421845112.

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Primary cilia are ubiquitous, microtubule-based organelles that play diverse roles in sensory transduction in many eukaryotic cells. They interrogate the cellular environment through chemosensing, osmosensing, and mechanosensing using receptors and ion channels in the ciliary membrane. Little is known about the mechanical and structural properties of the cilium and how these properties contribute to ciliary perception. We probed the mechanical responses of primary cilia from kidney epithelial cells [Madin–Darby canine kidney-II (MDCK-II)], which sense fluid flow in renal ducts. We found that,

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Orobey, Victor, Leonid Petrov, Yurii Petrik, Taras Borisenko, and Igor Kishyanus. "EVALUATION OF MOTOR WHEEL MOVEMENT IN DIFFICULT OPERATING CONDITIONS." Collection of scientific works of Odesa Military Academy, no. 15 (September 30, 2021): 179–84. http://dx.doi.org/10.37129/2313-7509.2021.15.179-184.

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The operational properties of the automotive system determine the performance of the automotive system of its production functions (properties that determine the average speed, fuel consumption, traffic safety, the ability to drive on different roads and off them, and the like). The main performance properties of the automotive system are defined by the main manufacturers as dynamics, fuel economy, controllability, stability, smoothness, passability, capacity, strength, reliability, durability, suitability of the car for maintenance and repair, suitability for loading and unloading. The main c

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Li, Lian Bo. "The Research Based on the Movement Control CARDS of NC Machining." Advanced Materials Research 328-330 (September 2011): 591–94. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.591.

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The paper’s the main research object is the multi-axis servo motor’s sports control using the movement CARDS. It researches and designs the four shafts servo motor control system by using the comprehensive application of movement control CARDS, motor drive, DLL function library and VB high-level language of software and hardware platform. The control system finishes NC machining of the function, using VB program called the function in the movement control CARDS function library.

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Parkhomenko, G. G., and S. G. Parkhomenko. "Force analysis of the mechanisms of tillage machines working elements following a specified path." Traktory i sel hozmashiny 85, no. 1 (2018): 47–54. http://dx.doi.org/10.17816/0321-4443-66395.

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During the soil tillage in the rows of perennial plantations, the working elements have to move in the transverse direction while traversing of the bole. The specified path of the working elements movement is determined by the required protective zone. The specified path of the working elements movement at minimum energy costs for the technological process of soil tillage implementation should be observed. The working elements movement is carried out by a four-bar linkage, controlled by a hydraulic drive. Energy costs depend on forced effort, applied to the driving link of mechanism and soil r

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Pérez-Escolar, Marta, and Laura Cortés-Selva. "Strengthening women empowerment through i-docs: Alternative forms of participation and civic engagement in the feminist movement." Catalan Journal of Communication & Cultural Studies 12, no. 2 (2020): 255–71. http://dx.doi.org/10.1386/cjcs_00031_1.

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The main objective of this research is to explore how i-docs motivate and drive citizen engagement in a manner that sustains and reinforces the sense of belonging to the feminist movement. Drawing upon the eight core drives represented by each side of the Octalysis methodology, the purpose of this study is to identify the motivational elements that push citizens to participate in feminist causes and to be concerned about different feminist issues. Using a quantitative methodology, our sample comprises three feminist documentaries that enable different levels of interaction and participation: S

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KUSHNIRCHUK, ANDRIY, VITALII TKACHUK, VITALII KARAZEY, VIACHESLAV KHARZHEVSKYI, and MAKSYM MARCHENKO. "USING SOLIDWORKS FOR PROTOTYPING AERODYNAMIC STEERING DRIVES." Herald of Khmelnytskyi National University. Technical sciences 323, no. 4 (2023): 361–64. http://dx.doi.org/10.31891/2307-5732-2023-323-4-361-364.

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The work discusses the effective use of the Solidworks software for modeling complex mechanisms with moving elements of intricate shapes. The application of the program by designers in enterprises significantly increases the efficiency of the work of design bureaus and research and experimental departments. Development time is greatly reduced, and many analysis tools allow for the avoidance of errors. The use of Solidworks for creating 3D models, along with additive technologies for manufacturing these models, takes the creation of prototypes of complex steering drives to a qualitatively diffe

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Lagerev, A.V., and I.A. Lagerev. "Design and study of drive swivel joints for hydraulic manipulation systems of mobile transport-technological machines." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 4, no. 1 (2018): 14–30. https://doi.org/10.22281/2413-9920-2018-04-01-14-30.

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The paper presents the design and principle of operation of a new type of articulated connection of adjacent links of manipulation systems of mobile transport and technological machines – the drive swivel joints to provide a rotary relative movement of the links. Their design allows to combine the function of ensuring the continuity of the kinematic chain and the function of providing rotary movement adjacent units and without the use of additional external devices. The design of the device is protected by a patent of the Russian Federation. Drive swivel joints are an alternative to trad

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Shelkovyy, Mikhail A., Aleksey M. Bazinenkov, and Alina K. Shagimuratova. "EFFICIENCY IMPROVEMENT OF MAGNETORHEOLOGICAL VALVE THROUGH GEOMETRIC PARAMETER VARIATION OF TECHNOLOGICAL GAP." Journal of Dynamics and Vibroacoustics 9, no. 2 (2023): 25–33. http://dx.doi.org/10.18287/2409-4579-2023-9-2-25-33.

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The use of magnetorheological fluid as a working fluid is an effective solution in terms of vibration protection and accuracy of drive movement. The magnetorheological drive is capable of moving an object weighing up to 100 kg with a movement error of 50 nm. The main control element of the drive is the magnetorheological valve. The magnetic field created in the process gap is a key characteristic of the valve. The study of the magnetic field induction in the technological gap of the inductor using the finite element method made it possible to determine the best combination of geometric paramet

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WU, Yun-Ling, Chien-Lin LU, Ming-Chi CHEN, and Fang-Ni CHU. "WHAT FORCES DRIVE THE DYNAMIC INTERACTION BETWEEN REGIONAL HOUSING PRICES?" International Journal of Strategic Property Management 21, no. 3 (2017): 225–39. http://dx.doi.org/10.3846/1648715x.2016.1254120.

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This paper examines the dynamic interaction between regional housing prices in the United States. We use the copula method to explore the dependent distribution of housing prices in ten metropolitan statistical areas (MSAs) in three regions. The results generally show that changes in time-varying correlation result from different trends in regional housing prices. We regress housing price dynamic correlation on regional economic variables, finding that the economic co-movement mechanism determines the housing price correlation in the Western and Great Lakes regions, while the migration mechani

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Ostrouhov, Vsevolod, Dmitry Sychev, and Maxim Grigorev. "Synchronization of Auxiliary Mechanisms and Main Electric Drive of the Pipe Cold-Rolling Mill. Complete Solution." Machines 8, no. 4 (2020): 71. http://dx.doi.org/10.3390/machines8040071.

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This article deals with installations with complex and nonstandard executive instrument movement. Having analyzed the technical implementation and operational features of cold-rolling pipe mills, the research team formulated the problem of synthesizing electric drives of auxiliary mechanisms. It is shown that the conditions for choosing a mechanical converter are associated with the oscillation of the processes of the electric drive system. The finite element method and the gradient descent method are used for structural analysis of solids and electromagnetic calculations. The data of the spec

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Ababkova, A. A. "THE DEPENDENCE OF THE DYNAMIC PROPERTIES OF TRANSPORT MACHINES ON THE TYPE OF THE ENERGY-POWER BLOCK." Spravochnik. Inzhenernyi zhurnal, no. 274 (2020): 22–26. http://dx.doi.org/10.14489/hb.2020.01.pp.022-026.

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This article describes the features of the use of electric and hybrid drive in transport vehicles. Considers the limitations of using all-electric vehicles. The necessity of developing a hybrid drive for heavy-duty vehicles is substantiated. The basic formulas for calculating the power of an electric drive hybrid vehicle are resented. A comparison is given of the results of the calculation of the main dynamic characteristics of the transport vehicle with various types of power unit. To which include: acceleration time, acceleration path and the average speed of movement. In conclusion, the mos

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Koyaidarov, B., and R. Sakhybayev. "Development of a V-belt variator." BULLETIN of L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 143, no. 2 (2023): 118–28. http://dx.doi.org/10.32523/2616-7263-2023-143-2-118-128.

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For stepless regulation of the operating speed of technological machines, in the ranges provided by the technology, it is recommended to use a V-belt variator. However, currently having V-belt variators with a special V-belt have significant disadvantages that reduce their effectiveness. In this regard, a V-belt variator with a standard drive V-belt is proposed, the driven pulley of which is divided into identical sectors, the diameter of the driven pulley is changed by synchronous movement of these sectors in radial directions. Studying a V-belt variator with a standard V-belt drive and a mul

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Zadorozhny, Andrey, Yurii Chovnyuk, Petro Cherednichenko, Olga Ostapushchenko, and Igor Kravchenko. "MOVEMENT OPTIMAL MODES ANALYSIS AND SYNTHESIS OF TRACKED VEHICLES LOAD-LIFTING MECHANISMS Part I. FORCED OSCILLATIONS UNDER VARIOUS IMPULSE-FORCE INFLUANCES." Spatial development, no. 8 (June 28, 2024): 255–73. http://dx.doi.org/10.32347/2786-7269.2024.8.255-273.

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The analysis of tracked vehicles load-lifting mechanisms movement modes is carried out in the work. The main parameters of forced oscillations under various impulse-force influences are comprehensively investigated. The synthesis of cargo lifting mechanisms optimal modes, which minimizes the load on the elastic systems (ropes), is presented. Analysis and synthesis the specified mechanisms movement optimal modes based on the classical variational calculus methods, mathematical physics and modeling. The spline functions apparatus along the time coordinate is also used. A feature of tracked vehic

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Hilal, Yusuf Nurul, Trias Andromeda, and Susatyo Handoko. "Pengatur Kecepatan Prototipe Mesin Solenoid 4 Induktor Menggunakan Metode Kontrol Frekuensi." Elektrika 13, no. 2 (2021): 59. http://dx.doi.org/10.26623/elektrika.v13i2.4258.

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<p class="JOURNALBODY"><em>The development of electric vehicles is in rapid progress, especially in terms of the main engine drive. The use of solenoid can be applied as an alternative driving electric vehicles instead of a dc motor as the main driver. In this paper, the prototype solenoid machine is applied by using 4 inductors controlled by an Arduino microcontroller and the solenoid driver based on application of Mosfet L298N. The prototype runs successfully. Based on the experimental results, the greater the frequency value applies to the driver, the faster the solenoid moves.

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Veselovska, Nataliia, Serhiy Shargorodskiy, Evgen Yashchuk, and Roman Hrechko. "EXPERIMENTAL STUDY OF HYDROSTATIC TRANSMISSION TYPE GST-90." ENGINEERING, ENERGY, TRANSPORT AIC, no. 1(116) (April 29, 2022): 58–64. http://dx.doi.org/10.37128/2520-6168-2022-1-7.

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As you know, one of the areas of development of modern agricultural machinery is to expand their functionality, increase capacity and productivity. The solution to this problem is possible through the use of powerful small-sized drives - namely hydraulic drives. These properties of the drive of this type have become crucial for its widespread use in agricultural machinery. Today, the hydraulic drive is used to drive the working bodies of machines, and as the drive of the main movement of self-propelled agricultural machines. The main hydraulic unit that drives a self-propelled agricultural mac

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Ivanov, A. G., M. N. Erokhin, S. P. Kazantsev, P. V. Dorodov, I. I. Khuzyakhmetov, and I. T. Khakimov. "Improving the Efficiency of Screen Type Potato Sorting Machines by a Modification of the Sieve Drive Movement Algorithm." Agricultural Machinery and Technologies 17, no. 2 (2023): 13–19. http://dx.doi.org/10.22314/2073-7599-2023-17-2-13-19.

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The paper considers a promising and effective screen-type potato sorting, included in the mechanized complex for potato post-harvest processing and storage. The main technological equipment of potato sorting stations is a sorting device that separates potato tubers into size fractions. The paper emphasizes the relevance of developing effective methods for designing and calculating the parameters of this type sorting devices. (Research purpose) To upgrade the sizing machine drive by modifying the sieve movement patterns for improving its operation efficiency. (Materials and methods) The present

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Jatsun, S. F., L. B. Kislyak, E. V. Saveleva, and G. А. Fursov. "Models and algorithms for the formation of commanding influences of the control system of the rehabilitation exoskeleton two-link foot." Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering 14, no. 4 (2025): 60–77. https://doi.org/10.21869/2223-1536-2024-14-4-60-77.

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The purpose of research is to develop a mathematical model of a two-link active foot of a rehabilitation exoskeleton for the lower extremities and to obtain data for generating the setting effects on the device drives.Methods. The article discusses a method for creating reference actions for the drive control system of a two-link foot of a rehabilitation exoskeleton. This device is designed for complex mechanical processing of the ankle joint in order to restore its mobility and bring movements closer to a natural gait. For this purpose, the video trajectory capture method is used in the frame

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Tolkachev, E. N. "Changing the technical characteristics of conveyors with a suspended belt in case of failures in the power supply system of drive suspensions." Nauchno-tekhnicheskiy vestnik Bryanskogo gosudarstvennogo universiteta 7, no. 3 (2021): 280–95. http://dx.doi.org/10.22281/2413-9920-2021-07-03-280-295.

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The results of the research presented in the article relate to a fundamentally new type of continuous transport machines-conveyors with a suspended load-carrying belt and a distributed drive. The main advantages of which are due to the features of the kinematic scheme, in which the load-bearing conveyor belt is held by the sides by means of roller suspensions on rolling guides closed along the route and does not interact with its base with supporting supports, and the drive is implemented according to the distributed scheme by the equipment of individual suspensions with individual motor-gear

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Kang, Tey Wei, Lim Thol Yong, Yeong Che Fai, and Eileen Su Lee Ming. "Design and Development of an Omnidirectional Mobile Robot." Applied Mechanics and Materials 432 (September 2013): 494–99. http://dx.doi.org/10.4028/www.scientific.net/amm.432.494.

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Most mobile robots use differential-drive concept, where they are equipped with two actuators that permit only single-direction rotation at a time. This concept limits the robots navigation because its orientation must always change according to the direction of movement. This paper presents the development of an omnidirectional mobile robot that uses three actuators, aligned in 120 degrees separation and each attached to an omniwheel. By manipulating actuator speed, the robot can navigate to any direction without changing its orientation. UsingNIsbRIO9632xtas the main controller, navigation a

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Tuccio, Michele. "Determinants of Intra-ASEAN Migration." Asian Development Review 34, no. 1 (2017): 144–66. http://dx.doi.org/10.1162/adev_a_00084.

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International labor mobility in Southeast Asia has risen drastically in recent decades and is expected to continue increasing with the establishment of the Association of Southeast Asian Nations (ASEAN) Economic Community in 2015. This paper looks at the determinants of the movement of workers and finds three structural factors that will likely drive further intra-ASEAN migration in the coming years: (i) demographic transition, (ii) large income differentials between economies, and (iii) the porosity of borders. A microfounded gravity model is estimated in order to empirically analyze the main

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Miklos, I. Zs, C. C. Miklos, and C. I. Alic. "Dynamic simulation of the differential gear in road vehicles." Journal of Physics: Conference Series 2714, no. 1 (2024): 012017. http://dx.doi.org/10.1088/1742-6596/2714/1/012017.

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Abstract The differential gear is a mechanism that is part of the kinematic chain of the vehicle’s transmission. The differential gear has the role of dividing the self-propulsion power flow received from the main drive into two branches, each transmitted to a drive wheel, giving them the possibility to rotate with different angular velocities, depending on the driving conditions. The present work presents the possibilities of computer-aided design and 3D modeling of the main drive and differential gear, respectively the bevel pinion, the crown wheel, the planet pinions and the satellites, usi

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Belov, M. P., and O. A. Kundyukov. "Synthesis of a Control System for an Asynchronous Motor of the Main Movement of a Lathe Using a Neurocontroller with Prediction." LETI Transactions on Electrical Engineering & Computer Science 15, no. 3 (2022): 50–56. http://dx.doi.org/10.32603/2071-8985-2022-15-3-50-56.

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The paper presents an analysis of the applications of neural network controllers for controlling various non-linear dynamic objects. A model of vector control of an asynchronous motor is constructed, taking into account the moment of inertia of the workpiece. A neural network controller with NN Predictive Controller was synthesized to control the drive of the main movement of a lathe in order to improve the dynamic characteristics of the machine drive. Recommendations are given for selecting the parameters of the neurocontroller to control the object under consideration. The results of compute

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Deutsch, Katherine M., John A. Stephens, and Simon F. Farmer. "Developmental profile of slow hand movement oscillation coupling in humans." Journal of Neurophysiology 105, no. 5 (2011): 2204–12. http://dx.doi.org/10.1152/jn.00695.2010.

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In adults, slow hand and finger movements are characterized by 6- to 12-Hz discontinuities visible in the raw records and spectra of motion signals such as acceleration. This pulsitile behavior is correlated with motor unit synchronization at 6–12 Hz as shown by significant coherence at these frequencies between pairs of motor units and between the motor units and the acceleration recorded from the limb part controlled by the muscle, suggesting that it has a central origin. In this study, we examined the correlation between this 6- to 12-Hz pulsatile behavior and muscle activity as a function

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Harutyunyan, Gayane. "On the Issue of Social Movement Definition." Journal of Sociology: Bulletin of Yerevan University 12, no. 2 (34) (2021): 62–75. http://dx.doi.org/10.46991/bysu:f/2021.12.2.062.

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The paper is a theoretical review of “social movement” term definitions. Aiming to show differences among definitions within different paradigms and scientific evolution of the term the main approaches of defining social movements are discussed. Initially, social movements were studied by psychologists, who were examining different forms of collective behavior, such as mobs, crowds, protests and etc. Most of them considered social movements as an irrational and destructive form of collective action driven by the instincts of people. During the next decades, the theory of social movements was d

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Purdyk, Victor, Oleksandr Brytskiy, and Vitaliy Sapognik. "Dynamics of Adaptive Drive Equipment for Forming Billets Bricks." International Journal of Engineering & Technology 7, no. 4.3 (2018): 87. http://dx.doi.org/10.14419/ijet.v7i4.3.19557.

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Abstract. In this paper, an option is provided for upgrading equipment for the formation of raw bricks by creating a compact design with an adaptive drive based on hydroautomatics. The basis of modernized construction is the further scheme of formation of executive bodies on the movement of workpieces. A mathematical model of equipment was developed that takes into account the peculiarities of the formation of forces of friction that arise during the movement in the executive power bodies and their inertia. As a result of the study of a mathematical model in the Matlab Simulink environment, th

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R, Bordoloi. "Tracking of Oil Water Contact in a Barail Main Reservoir." Petroleum & Petrochemical Engineering Journal 4, no. 3 (2020): 1–6. http://dx.doi.org/10.23880/ppej-16000230.

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To supplement the current understanding of the reservoir and also to increase the confidence level in decision making, an understanding in the variation of Oil Water Contact is very much important. In this paper, a study of an integrated and efficient methodology for establishment of complex Oil Water Contacts in Barail Main Sand (water drive reservoir) for a part of one oilfield of Upper Assam Basin has been discussed. The Barail Formation which is the main producing reservoir exhibits unique behaviour in terms of fluid distribution. The aim of the study is to map the movement of Oil Water Co

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