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4.289  Articles
1 of 430 pages  |  10  records  |  more records»
The American poet Hart Crane has published his masterpiece The Bridge in 1930. This long poem which consists of fifteen lyric poems is considered a modern epic. Crane, who can be compared with Walt Whitman in the 19th century and T.S. Eliot in the 20th ce... see more

An analytical dependence to determine the ratio of rolling friction has been proposed, with account of generally accepted mechanical characteristics of materials and the geometrical parameters of wheel and. This allows specifying the starting time of the ... see more

Purpose. The value of drive resistance to its movement is the main parameter at calculating the drive power of bridge crane. The value of the wheel rolling friction on the rails is one of the important parts of the resistance to movement. It is necessary ... see more

A novel control algorithm combining the linear quadratic regulator (LQR) control and trajectory planning (TP) is proposed for the control of an underactuated crane system, targeting position adjustment and swing suppression. The TP is employed to control ... see more

The article presents briefly findings in researching methods for determining dynamic stress of the bars in the main structure of gantry crane installed on the cap of bridge pier to install and launch SUPER-T girder. In order to study the dynamic stresses ... see more

The long period and conditions of operation are the cause of various types of severe damage to cranes used in the steelworks industry. Among the more dangerous and difficult to eliminate crane damage types, there is excess durable deflection of its suppor... see more

The design of an overhead crane bridge with a double box girder has been investigated and a case study of a crane with 35 ton capacity and 13 m span length has been conducted. In the initial phase of the case study, conventional design calculations propos... see more

The aim of research is to substantiate the rational design of the travel wheel based on the determination of the dynamic forces arising from the movement of the freight carriage and the crane bridge. The research methodology is based on analytical methods... see more

The analysis of real mechanical system of the bridge crane with vacuum-sucker equipment is made and the design scheme for the mathematical model of dynamic processes created on the basis of the analysis is offered.

1 of 430 pages  |  10  records  |  more records»