Results 31 to 40 of about 37,250 (171)

Anti-Sway and Positioning Adaptive Control of a Double-Pendulum Effect Crane System With Neural Network Compensation

open access: yesFrontiers in Robotics and AI, 2021
Cranes are widely used in the field of construction, logistics, and the manufacturing industry. Cranes that use wire ropes as the main lifting mechanism are deeply troubled by the swaying of heavy objects, which seriously restricts the working efficiency
Hai-yan Qiang   +3 more
doaj   +1 more source

Study on Wear Resistance of Polyurea Coating on Metal Structures of Lifting Machinery [PDF]

open access: yesCailiao Baohu, 2022
In view of the problem that the metal structures of lifting machinery are easy to be aged and worn in harsh environment, the effects of coating thickness and load on the wear resistance of the coating on the surface of metal structure of crane were ...
XIE Tengfei, MAO Jinrong, ZHOU Yeping
doaj   +1 more source

Yard Crane Rescheduling under the Influence of Random Fault

open access: yesMachines, 2023
In the operation of the imported container area of the container yard, the fault of the yard crane often occurs, and the fault is random and unpredictable, which greatly affects the operational efficiency of the container yard.
Lin Yao   +4 more
doaj   +1 more source

Calculation Improvement of Equivalent Power of Hydrostatic Drive for Crane Mechanisms [PDF]

open access: yesProblems of the Regional Energetics, 2020
The aim of this study is to determine the analytic dependences of modifying the equivalent power of electric motors of hydrostatic drivers for different operation cycles of traveling and rotary mechanisms of lifting machines taking into account the power
Strizhak V.   +4 more
doaj   +1 more source

Analysis of dynamics of automobile cranes with the account of the rope elasticity

open access: yesVietnam Journal of Mechanics, 1998
Up to now, there is still a little of attention paid on the dynamical analysis of automobile crane system and only simple dynamical models are used for the related studies.
Phan Nguyen Di, Bui Khac Gay
doaj   +1 more source

DETERMINATION OF THE STATE OF LIFTING MECHANISMS OF MOBILE CRANES ACCORDING TO THEIR TECHNICAL PARAMETERS

open access: yesMunicipal economy of cities, 2022
Mobile cranes with hydraulic drive refer to cyclic machines that are used to perform installation and other types of work. In accordance with the operating conditions of these cranes, the question arises about the effectiveness of their use in performing labor-intensive work.
M. Remarchuk   +3 more
openaire   +1 more source

Optimisation of Dynamic Loads of Rope Systems of Lifting Mechanisms of Bridge Cranes During Cargo Handling

open access: yesScientific Herald of Uzhhorod University Series Physics, 2022
Relevance. In this study, considerable attention is devoted to the analysis of dynamic loads that occur in the rope systems of lifting mechanisms of overhead cranes during start-up and braking, and the reduction of these loads.Purpose. To identify the magnitude and nature of changes in dynamic loads in the elements of lifting mechanisms of bridge ...
YUIRY CHOVNYUK   +4 more
openaire   +1 more source

OPTIMIZATION OF TOWER CRANE SLEWING MECHANISM CONTROL

open access: yesBulletin of the National Technical University «KhPI». Series: Automobile and Tractor Construction, 2023
The article considers the optimal speed-optimal control of the tower crane turning mechanism. A calculation scheme has been compiled according to which a mathematical model has been obtained that describes the operation of the boom rotary crane - cargo ...
Valentyn Kovalenko   +4 more
semanticscholar   +1 more source

SIMULATION OF WORKING MODES OF THE ELECTRICAL DRIVE OF A LIFTING CRANE WINCHES IN MATLAB

open access: yesHerald of Khmelnytskyi National University. Technical sciences, 2022
Among the most common mechanisms in the industry are lifting machines of various types and designs. They are widely used in construction and assembly, repair, warehouse and other works related to lifting and moving large and heavy loads.
Sergiy Babiy   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy