L. Chybowski
The problems of modeling the reliability structure of the complex technical system on the basis of a steam-water system of the engine room
Abstract: In the paper the concept of a system structure with particular emphasis on the reliability structure has been presented. Advantages and disadvantages of modeling the reliability structure of a system using reliability block diagrams (RBD) have been shown. RBD models of a marine steam-water system constructed according to the concept of ‘multi-component’, ‘one component’ and mixed models have been discussed. Critical remarks on the practical application of models which recognize only the structural surplus have been dealt with.  The significant value of the model by professors Smalko and Jaźwiński called by them ‘default reliability structure’ has been pointed out. The necessity of building a new type of models:  quality-quantity, useful in the methodology developed by the author's multi – criteria analysis of importance of elements in the reliability structure of complex technical systems.
Key words: reliability structure, model of structure, complex technical system, importance of components, reliability block diagram
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