نتایج جستجو برای: tower crane locating problem

تعداد نتایج: 901978  

Journal: :Transportation Research Part E: Logistics and Transportation Review 2008

Journal: :Journal of the Korea Safety Management and Science 2015

Journal: :Journal of the Korea Safety Management and Science 2016

Journal: :Journal of Southwest Jiaotong University 2019

2015
Mohammad H. Fatehi Mohammad Eghtesad Roya Amjadifard

In this paper a novel dynamical model will be developed for an overhead crane with transverse vibrations of flexible cable while considering large angle of the cable/payload swing. The major problem addressed is expressing the dynamic interaction between the cables and other elements in the crane system which demands investigation into boundary induced cable vibrations and large swing angle. Th...

Journal: :CoRR 2014
Ehsan Omidi

gantry crane system becomes an interesting issue in the field of control technology development. In this paper, dynamic model of gantry crane is extracted using Lagrange method. This model has been linearized and weaknesses of state feedback control of this model is reviewed. To solve these problems, state feedback gain matrix is calculated using LQR method and results are fully investigated. F...

2000
Bálint Kiss Jean Lévine Philippe Mullhaupt

Two control problems related to a particular underactuated mechanical system, the reduced size US Navy crane, are addressed. The open-loop motion planning problem is solved by showing that the model of the crane is differentially flat with a flat output comprising the coordinates of the load as its first components. The closed-loop global asymptotic stabilization of equilibria is achieved using...

2001
BOAZ TSABAN

We study diagonalizations of covers using various selection principles, where the covers are related to linear quasiorderings (τ -covers). This includes: equivalences and nonequivalences, combinatorial characterizations, critical cardinalities and constructions of special sets of reals. This study leads to a solution of a topological problem which was suggested to the author by Scheepers (and s...

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