Devising a method of discrete search for a plane that crashed by using the Blackwell–Black–Kadan ratio

Authors

DOI:

https://doi.org/10.15587/1729-4061.2025.331877

Keywords:

Blackwell-Black-Kadan relation, discrete search, search object, search and rescue operation, uniformly optimal search strategy

Abstract

The object of this study is the process of searching for a plane that crashed by using search tools. The main hypothesis of the study assumes that the use of a uniformly optimal search strategy in a discrete search zone taking into account the Blackwell-Black-Kadan relation could minimize the average time for detecting a plane that crashed. An optimal Bayesian rule has been formulated, which involves determining the maximum value of the likelihood ratio in the current discrete search sector and comparing it with the threshold. A class of uniformly optimal search strategies has been introduced. A method of discrete search for a plane that crashed has been improved, according to which, unlike in the known analogs:

– the a priori probability of finding the search object in the search sector is taken into account;

– the probability that the search object will be detected when viewing the search sector is calculated;

– the Blackwell-Black-Kadan relations are determined;

– the obtained Blackwell-Black-Kadan values are ranked, and the sequence of the search sectors is examined in accordance with the obtained ranking of the Blackwell-Black-Kadan ratio values.

The average time to detect the search object was estimated. It has been established that when optimizing the search for a plane that crashed, the average search time for the search object is reduced by 12%.

The limitation of the study is a simplified representation of the search area, which is given by a regular discrete grid without taking into account complex terrain or prohibited areas. In addition, external factors such as weather conditions, wind, etc., which may affect the speed and route of the search vehicle, are not taken into account.

The disadvantage of the improved method is its application only for the case of a discrete structure search area

Author Biographies

Hennadii Khudov, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Technical Sciences, Professor, Head of Department

Department of Radar Troops Tactic

Illia Hridasov, Ivan Kozhedub Kharkiv National Air Force University

Leading Researcher

Scientific and Methodical Department

Igor Ruban, Kharkiv National University of Radio Electronics

Doctor of Technical Sciences, Professor

First Vice-Rector

Oleksandr Makoveichuk, Higher Education Institution "Academician Yuriy Bugay International Scientific and Technical University"

Doctor of Technical Sciences, Associate Professor

Department of Computer Sciences and Software Engineering

Ihor Butko, Higher Education Institution "Academician Yuriy Bugay International Scientific and Technical University"

Doctor of Technical Sciences, Professor

Department of Computer Sciences and Software Engineering

Vladyslav Khudov, Kharkiv National University of Radio Electronics

PhD, Junior Researcher

Department of Information Technology Security

Iurii Ielisov, Research Institute of Military Intelligence

PhD, Researcher

Department of Research

Volodymyr Maliuha, Ivan Kozhedub Kharkiv National Air Force University

Doctor of Military Sciences, Assistant Professor, Head of Department

Department of Anti-Aircraft Missile Forces Tactic

Mykola Yaloveha, Ivan Kozhedub Kharkiv National Air Force University

Head of the Training Office

Department of Anti Aircraft of Land Forces

Rostyslav Khudov, V. N. Karazin Kharkiv National University

Department of Theoretical and Applied Computer Science

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Devising a method of discrete search for a plane that crashed by using the Blackwell–Black–Kadan ratio

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Published

2025-06-25

How to Cite

Khudov, H., Hridasov, I., Ruban, I., Makoveichuk, O., Butko, I., Khudov, V., Ielisov, I., Maliuha, V., Yaloveha, M., & Khudov, R. (2025). Devising a method of discrete search for a plane that crashed by using the Blackwell–Black–Kadan ratio. Eastern-European Journal of Enterprise Technologies, 3(9 (135), 93–100. https://doi.org/10.15587/1729-4061.2025.331877

Issue

Vol. 3 No. 9 (135) (2025): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2025 Hennadii Khudov, Illia Hridasov, Igor Ruban, Oleksandr Makoveichuk, Ihor Butko, Vladyslav Khudov, Iurii Ielisov, Volodymyr Maliuha, Mykola Yaloveha, Rostyslav Khudov

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