Open AccessMathematical modeling of overhead crane under conditions of stress-strain state of metal structure as a control object
Author(s) -
A G Lenivtsev,
Ivan Dudanov,
А. С. Фадеев
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1103/1/012018
Subject(s) - overhead crane , overhead (engineering) , process (computing) , control (management) , object (grammar) , mode (computer interface) , state (computer science) , track (disk drive) , engineering , computer science , control engineering , structural engineering , mechanical engineering , algorithm , artificial intelligence , electrical engineering , operating system
The article considers an example of the application of the existing mathematical model of an overhead crane to equipment with irreversible structural defects. The course of the solution of the problem is considered: obtaining primary data, finding the existing mathematical model of the crane, adapting it to the problem in question, building a computational model, modeling and analyzing the results obtained. The peculiarity of a crane as a control object is the non-typical state of the metal structure. The overhead crane is in this state after prolonged operation of the equipment with incorrect loading and control modes. As a result of such operating modes, significant wear of the wheels and the rail track take place. Worn elements must be replaced. The frequency of wheel replacement is very intensive, and is about twice a year. The process of replacing wheels with corner boxes is a very expensive procedure – it is necessary to buy equipment, stop the warehouse for a few days and attract staff. To eliminate such costs, it is proposed to conduct a simulation of the crane in order to identify methods of controlling it. The result of the first stage of modeling is the answer to the question: is it possible to operate the crane that is deformed using the correctly selected control mode.