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A method for calculating the technical readiness of aviation refuelling vehicles

Ziółkowski Jarosław, Oszczypała Mateusz, Lęgas Aleskandra, Konwerski Jakub, Małachowski Jerzy

Eksploatacja i Niezawodność

2024

Vol. 26, no. 3

art. no. 187888

In the paper a mathematical model of the process of operating aviation refuelling vehicles supplying fuel to aircraft before flight was developed. The present work is a continuation and supplement to the model contained in [52]. The phase space of the process under study was mapped by a 7-state directed graph of the operation process. To calculate the technical readiness index (𝐾𝑔𝑡 ) Markov chains and processes were used. Also, in Section 3, Results and discussions, optional methods for determining the technical readiness coefficient of a vehicle were provided (𝑘𝑔𝑡 ) , based on the total time of the object in individual operating states. This is an alternative in a situation where the analysed process cannot reach a stable average state indefinitely. Two types of measures were used to determine the readiness, i.e. border probabilities and average times of the object in individual states. In both cases, the basis was statistical databases with operational vehicle data, which enabled the calculation of the readiness index and coefficient.