The hierarchical structure of load-lifting cranes of bridge type is considered as a complex dynamic system, on the basis of which the entire object is represented by six levels of ranks of elements. Based on the proposed hierarchical structure, the design process is represented by phases of closed design work. As a result, the main stages of modeling the process of designing a load-lifting cranes crane of bridge type, on the basis of which the algorithm of design automation is built, are identified. Thus, the use of modern modeling tools will allow to abandon field experiments, take into account the maximum number of measured parameters, that ultimately significantly reduces production expenses, reduce time and labor costs, achieve optimal characteristics.
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