Abstract
technical system safety of mobile water transport object. The process of dynamic positioning control of mobile water transport object is studied as the interaction of components of the polyergatic system. The dynamic positioning operator is considered as a functional component, which forms the sence of the human factor in safety of marine navigation. It is determined that the property of heterogeneity of the locally confined space of the techno-natural complex plays a major role, which influences safety during all space-time interval of high-precision navigation realization during conducting the complex technological work. Probability, which in the paper is considered as a measure in well-known Kolmogorov’s probability space, reflects the functional stability criteria under conditions sudden failures. Failures arise as a result of an unfavorable combination of random external factors that exceed possibilities of complex dynamic system adaptation. The value of the heterogeneous flow of perturbing events affects the distribution density nature, because other members represent constants factors in research time frame. The corresponding adequate laws of distribution describe the probability of the reliable function of complex technical systems with different hierarchy levels. Based on the formulated algebraic expressions for common in marine practice two independent failure causes of the dynamic positioning system components, an algorithm was drawn up and simulated in the MATLAB software environment with additional usage of Simulink package. Developed software package allows during practical conditions on board and on shore find solutions to a whole problem class in order to ensure safe and reliable function of the technical component, which is a part of the polyergatic system that aimed to control dynamic positioning and technological work under flow of perturbing events. The perspective directions of further scientific researches have been determined. The main direction of further researches is a creation of new intelligent decision support systems, which are based on mathematical modelling and reliability prediction. One of proposed directions form scientific ground for improvement of international and local requirements, standards and rules for technical systems and equipment redundancy.
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