Abstract
Techno-economical optimization of vibro-diagnostic method implies defining of the minimal number of vibro-diagnostic information, which could be used for precise and definite diagnosis of broad spectra of failures or malfunctions with all types of rotating machines in standard use, including marine pumps. Economic optimization is done based on competitive advantage approach, but in coherence to technical aspect. Techno-economical optimization in this research is analysed more from the aspect of the optimization problem new formulation, then from the aspect of mathematical apparatus for solving the problem. In this case, the optimization is based on establishing the possibility of certain defect appearance at marine rotating machines and implementation of causal relations between diagnostic model and defined goal functions values.
Highlights
Marine systems are complex and are subject to extensive range of faults
Optimization of vibro-diagnostic method for marine rotating pumps optimal solution for concrete structure of defined application means the selection of structure parameters to achieve the maximum value of assigned goal function
Examination of vibration phenomenon provides us with the data about the volume of working parameters changes and the intensity of vibrations
Summary
Marine systems are complex and are subject to extensive range of faults. the basic requirement that marine systems have to fulfil is reliability. The concept of reliability of marine systems means the probability that the system will successfully perform its function in terms of the environmental conditions and in specific period of time. Reliability is functionally dependent on the failures that can occur in any component of marine systems [1]. In order to increase the operability and safety of navigation, it is necessary to reduce the failure probability of the vital components and systems aboard ships [2]. It is necessary to provide conditions in which pumps faultlessly perform their functions during the estimated working life, while their replacement and repair are scheduled during docking and regular maintenance of the ship auxiliaries [5]. Optimization of vibro-diagnostic method for marine rotating pumps optimal solution for concrete structure of defined application means the selection of structure parameters to achieve the maximum value of assigned goal function. All previously mentioned makes the optimization hierarchy chain, which in its integrity represents the universal formulae for finding the optimal solution
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