Selection and substantiation of parameters and performance indicators of the in- service inspection system of onboard aircraft equipment units
https://doi.org/10.51955/2312-1327_2022_4_70
Abstract
The in-service inspection (ISI) system of onboard equipment of civil aircraft provides management of technical operation processes. Its quality is manifested in the process of in-service inspection. The ISI involves determining the technical state of monitor objects at various stages of operation: in flight, during operational maintenance (pre-flight and post-flight check), during periodic maintenance, after removing the equipment from the aircraft. The analysis of the problem of forming and improving the ISI system for onboard equipment shows its complexity requiring a systematic approach based on the appropriate mathematical apparatus. The ISI is characterized by the inspection accuracy, i.e. a property of technical state inspection which determines the degree of display objectivity as a result of monitoring the actual technical state of a monitor object. As quantitative parameters and performance indicators of the ISI system for onboard equipment, the characteristics of the inspection accuracy serve. To determine them, rational sets of technical states and decisions about the technical states of onboard units were formed. Based on belonging to these sets, three groups of the inspection accuracy characteristics were identified. The first group consists of conditional probabilities of transitions in the in-service inspection for various types of control. The second group consists of unconditional probabilities of transitions in the in-service inspection for various types of control. The third group consists of a posteriori decision-making probabilities in the process of in-service inspection for various types of control. Analytical dependencies for calculating the inspection accuracy characteristics of the three groups for onboard units and the relationship between them were determined
About the Author
Sergey V. Kuznetsov
Moscow State Technical University of Civil Aviation
Russian Federation
Russian Federation
Doctor of Technical Sciences, Professor
20 Kronshtadtsky blvd, Moscow, 125993
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Review
For citations:
Kuznetsov S.V. Selection and substantiation of parameters and performance indicators of the in- service inspection system of onboard aircraft equipment units. Crede Experto: transport, society, education, language. 2022;(4):70-82. (In Russ.) https://doi.org/10.51955/2312-1327_2022_4_70
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