Results 241 to 250 of about 212,383 (275)
Dynamic study of the mechanism of movement of the trolley of a revolving crane mounted on a wall
SCIENTIFIC WORK, 2022 Divara bərkidilmiş dönən kran sənaye müəssisələrində, tikinti meydançalarında və başqa yerlərdə yük-boşaltma işlərində geniş istifadə olunur. İş zamanı kranın arabacığının hərəkət mexanizminin qərarlaşmayan hərəkətlər zamanı dinamik yüklərə məruz qalır. Bu zaman dinamik yüklər statik yüklərə nəzərən daha böyük qiymət alır. Həmçinin kranda yük asılarkən
Ədalət Fəxrəddin oğlu Məmmədov
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A new bridge crane movement mechanism electric drive
Metallurgist, 1977 Ya. A. Velikovskii +3 more
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INCREASE OF ENERGY EFFICIENCY OF THE ELECTRIC DRIVE OF THE MECHANISM OF MOVEMENT OF BRIDGE CRANES
CAD/EDA, MODELING AND SIMULATION IN MODERN ELECTRONICS: COLLECTION OF SCIENTIFIC PAPERS OF THE III INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE, 2019 The basic directions of increase of efficiency of the mechanism of movement of bridge cranes, are the principles of building a comprehensive model for developing energy efficient algorithms for electric drives control the movement mechanism.
Andrey Nadtochey +3 more
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Research on Anti-swing Problem of Underactuated Bridge Crane Based on Four-rotor Control Technology
Cybersecurity and Cyberforensics Conference, 2023Bridge crane has the advantages of simple structure and flexible operation, that makes it widely used, however, it has nonlinear and underactuated characteristics, the traditional control method can't directly control the movement state of the load in ...
Xiaodong Liu, Hongyu Zhang, Yong Xu
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Synthesis of multimass model of tower crane
Hoisting and transport equipment, 2023A literature review was conducted, and it was established that a large number of works were devoted to the issue of crane dynamics, which in turn testifies to the relevance of studying this issue.
V. Kovalenko +4 more
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Protoplasma, 2005
Actin inhibitors block or slow anaphase chromosome movements in crane-fly spermatocytes, but stopping of movement is only temporary; we assumed that cells adapt to loss of actin by switching to mechanism(s) involving only microtubules. To test this, we produced actin-filament-free spindles: we added latrunculin B during prometaphase, 9-80 min before ...
Lacramioara, Fabian, Arthur, Forer
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Actin inhibitors block or slow anaphase chromosome movements in crane-fly spermatocytes, but stopping of movement is only temporary; we assumed that cells adapt to loss of actin by switching to mechanism(s) involving only microtubules. To test this, we produced actin-filament-free spindles: we added latrunculin B during prometaphase, 9-80 min before ...
Lacramioara, Fabian, Arthur, Forer
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Summa
The process of moving flexibly suspended cargo is accompanied by the appearance of loads on the metal structures of the bridge crane and on the electromechanical part of the electric drive due to the rocking of the transported cargo.
T. Sinyukova +5 more
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The process of moving flexibly suspended cargo is accompanied by the appearance of loads on the metal structures of the bridge crane and on the electromechanical part of the electric drive due to the rocking of the transported cargo.
T. Sinyukova +5 more
semanticscholar +1 more source
Hoisting and transport equipment
A scientific and applied problem was solved in the articles. It aimed to increase the efficiency of operation of the dynamic "crane-load" system of the tower crane slewing mechanism even when external stochastic disturbances (wind gusts) affect the load.
V. Loveikin, Y. Romasevych, O. Stekhno
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A scientific and applied problem was solved in the articles. It aimed to increase the efficiency of operation of the dynamic "crane-load" system of the tower crane slewing mechanism even when external stochastic disturbances (wind gusts) affect the load.
V. Loveikin, Y. Romasevych, O. Stekhno
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Experimental study of the optimal acceleration mode of the tower crane slewing mechanism
Gіrnichі budіvelnі dorozhnі ta melіorativnі mashiniTower cranes play a crucial role in construction. They are designed for material handling, and to ensure maximum efficiency, it is essential to minimize load oscillations during transitional movement phases (acceleration or braking).
Yuriy Romasevych, Yaroslav Hubar
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Processes
With the rapid development of industries such as construction and port hoisting, the operational safety of truck cranes in crowded areas has become a critical issue.
Fengyu Wu +4 more
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With the rapid development of industries such as construction and port hoisting, the operational safety of truck cranes in crowded areas has become a critical issue.
Fengyu Wu +4 more
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