Military Technical Collection最新文献

{"title":"Engineering and navigating calculation the flight of unmanned aircrafts of tactical class","authors":"Yu. V. Mironchuk, S. Overchuk, Andriy Tkach","doi":"10.33577/2312-4458.28.2023.42-53","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.42-53","url":null,"abstract":"The regulatory documents of the Ministry of Defense of Ukraine provide for navigational training of the crews of unmanned aircraft complexes and establish the necessity of having a navigational plan and an engineering-navigator flight calculation at the workplace of an external UAV pilot. The article notes that today there are no normative documents that would establish the content and scope of engineering and navigational calculations and methods of their implementation for unmanned aircraft complexes of tactical classes. The article as a whole is devoted to the consideration of issues of methodical support of navigator training of crews of unmanned aerial systems of the tactical class with an electric power plant. It is indicated that, based on the tactical and technical capabilities of UAVs of tactical classes, the nature of the tasks performed by them and the typical educational level of their external pilots, the creation of the most simplified methodology for performing basic engineering  and navigational calculations of UAV flights is required. The mathematical complexity of such a method should not go beyond general secondary education. When performing navigational calculations of aircraft flights, the main difficulty is created by the problem of taking into account the influence of the wind. Simple algorithms for calculating the correction to the wind drift course, road speed and flight duration on straight sections of the route and sections of U-turns in the presence of wind are proposed. Algorithms for calculating the total need for energy resources for a flight along a given route and for separate sections of the route, including additional energy resource needs for sections of altitude gain, are proposed. Recommendations for evaluating the energy capacity of the battery available for flight performance are given. An algorithm for calculating the critical reserve of energy resources, which is necessary for the possibility of returning the UAV from the farthest point of the route under meteorological conditions for the scheduled flight time, is proposed. Options for full and abbreviated engineering and navigational calculations are offered.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130060897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatial-spectral methods of increasing the efficiency of artillery reconnaissance","authors":"Anatoliy Zubkov, Serhii Kamentsev, Yaroslav Krasnyk, V. Prokopenko, A. Shcherba","doi":"10.33577/2312-4458.28.2023.77-87","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.77-87","url":null,"abstract":"The author analyzes the evolution of reconnaissance-fire technology based on reconnaissance-strike (RSS) and reconnaissance-fire (RFS) systems and its transition to the ideology of reconnaissance-fire systems (RFS). \u0000Based on Boyd's cybernetic model, the situational model of RFS combat control and the issue of optimizing it in terms of the \"observe\" cycle are considered. Practical ways of implementing the developed approach based on multichannel spatial and multispectral processing of intelligence information are substantiated. The optimality of the developed approach is confirmed by the results of a model experiment. \u0000A methodology for adapting the characteristics of multi-channel processing of location information to a dynamically changing mobile phone environment has been developed. The optimality of the developed approach is confirmed by the results of the model experiment, and the practical feasibility is confirmed by the patent for the invention.The maximum combat effectiveness of the first stage of the Boyd cycle (artillery reconnaissance) – range, accuracy, target channel, immunity - is achieved by the integration of ground-based radar means of reconnaissance of firing positions and UAVs with multispectral surveillance equipment. \u0000The practical significance of the obtained results is provided by the independence of targeting accuracy from the target range with simultaneous provision of round-the-clock operation, all-weather operation, interference resistance and potential informativeness of artillery reconnaissance. The attainable gain in artillery reconnaissance effectiveness indicators is 7.2 times the range, and 20 times the target channel. All analytical results are aimed at implementation in the practice of designing the production of equipment for ground and on-board reconnaissance components.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127072644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mobility simulation modelling of wheeled military vehicles under off-road traffic conditions","authors":"M. Hrubel, M. Manziak, V. Khoma, O. Lanets, Anatolii Andriienko","doi":"10.33577/2312-4458.28.2023.10-17","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.10-17","url":null,"abstract":"Ensuring the mobility of military vehicles (MV) is especially urgent in the conditions of modern hybrid wars and determines the growth of requirements for their designs. The influence of cross-country ability indicators, suspension and tire characteristics on limiting the maximum possible off-road speeds was analyzed. It is shown to limit the maximum speeds depending on the maximum permissible values of the vibrational loads level on the human body, disturbed by irregularities, the off-road micro-profile and the corresponding transmission functions of the suspension and tires. \u0000An analysis of literary sources, as well as standards regarding the methods of evaluating the movement mobility, determining the limit vibrational loads from the point of view of limiting the maximum speed of movement of the MV sample, was carried out. To study the influence of the suspension on the vibro-oscillatory properties of the MV sample, taking into account that vertical vibrations are the determining factors in the formation of vibro-oscillatory loads (the specific significance of longitudinal and transverse vibrations in total is within 20%), a dynamic equivalent model adequate to the physical process was built for a car with a 4x4 wheel formula. According to the specified model, the structure of simulated computer modeling of the wheeled vehicles movement in the MATLAB Simulink software environment was worked out. \u0000The possibility and parameters of the deterministic setting of the heights of irregularities of the off-road micro-profile with the possibility of operational change of both the characteristics of the suspension/tires and the type and condition of the off-road were worked out. Adequacy of the model was previously evaluated by evaluating the degree of reproduction of known experimental studies and determines the feasibility of forming a typical section of the off-road micro-profile for evaluating the effectiveness of the suspension.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129513286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of the influence of the ADC resolution of the coherent radar on the accuracy of determining the coordinate of the projectile flight","authors":"V. Hrabchak, Andriy Kosovtsov, Z. Hrabchak","doi":"10.33577/2312-4458.28.2023.3-9","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.3-9","url":null,"abstract":"The article considers the development of a heavy-class robotic ground combat system based on the BTR-4E armored personnel carrier. Analysis of samples the heavy class combat robotic ground complexes showed that they can be developed on the basis of serial crewed military vehicles HMMWV (AM General), M-ATV (Oshkosh), BMP-3 (Russia), T-72 (Russia), M113 (Israel), Patria AMV (Finland) or create a new design MDARS (AM General), Black Knight (BAE Systems), \"Uran-9\" (Russia), TYPE-X (Milrem Robotics). They are made on a tracked or wheeled platform. What unites this class of robotic ground combat systems is a remotely controlled combat module with a 25-30 mm cannon, anti-tank guided missiles, a machine gun and a grenade launcher, which can be controlled from a distance. \u0000A comparative analysis of the tactical and technical characteristics the BTR-4E armored personnel carrier with military vehicles with a 30 mm cannon in service with the Armed Forces of Ukraine has been performed. As a result, the choice of     BTR-4E armored personnel carrier as the basic crew unit for the construction of a heavy class robotic ground combat system has been substantiated.The analysis of the design of control drives of the power plant, transmission, braking system, steering system and combat module installed on the BTR-4E armored personnel carrier was carried out in terms of the possibility of implementing remote control of movement and fire. \u0000The structure of a combat ground robotic complex based on the BTR-4E armored personnel carrier with different variants of remote control panels, means of establishing communication channels and construction of a remote control station is proposed. \u0000For example, the driver's remote control panel may be designed on the basis a tablet or on the basis a simulator for full simulation of control commands. Remote controls for the commander and gunner can be designed on the basis of regular controls and be similar to them for quick training of the crew to work. \u0000Communication between remote control units and the controlled armored personnel carrier can be arranged using ultrashort-wave radios or via the 4G, 5G mobile network. \u0000The remote control point can also be developed on the basis a BTR-4E armored personnel carrier, a military vehicle or deployed on the ground. It depends on the concept of application of the heavy class combat ground robotic complex.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126207136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The decomposition of the deep learning machine for specialized datasets for time minimizing of spatial information processing","authors":"V. Tymchuk, V. Lytvyn, Oleksandr Perehuda","doi":"10.33577/2312-4458.28.2023.60-68","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.60-68","url":null,"abstract":"For effective military management, the creation of complexes of automation tools, spatial information processing systems, primarily consolidated, is a priority task in the conditions of constant growth of data and requirements for their collection, transmission, storage, processing and use. \u0000The problem of consolidated processing of spatial information is related to the diversity of sources, the diversity of data formats, the diversity of acquisition and use, the diversity of processing etc. All that imply an extremely complex organizational and technical structure, a kind of ‘system of systems’. \u0000Deep Learning Machine (DLM) ensure the high accuracy of prediction. But such DLM should be matched for the military conditions of the usage where time restrictions and space lack are present. \u0000So, the effort to create a dataset for the maximum accuracy of the Deep Learning Machine rests on computing resources (in common research it is possible to overcome but in military sphere it isn’t). In military applied tasks, the criterion of time and overcoming uncertainties due to confrontation are critical. This allows us to put forward the hypothesis that it is impossible to achieve absolute accuracy in deep learning machine. Therefore, for variable tactical situations, it is advisable to create specialized datasets and achieve maximum efficiency from each iteration step (or their combination) using the decomposition method of the consolidated spatial information processing system. It is analysed the methods of scientific and technical solutions in the deep learning machine and the method of systematizing data types in existing tactical situations. In the end the detection and recognition system with a deep learning machine and a set of specialized datasets is proposed in the paper. \u0000The volume of each specialized dataset at the level of 103 enables ultra-high speed of information processing processes and allows a person to set up such a system of consolidated processing of spatial information without excessive organizational and time demands. The dataset itself is revealed. \u0000This principle of forming a dataset, or their sets, allows obtaining high-accurate and high -fast detection and recognition systems.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131814453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Target visibility index","authors":"D. Khaustov, Oleksandr Kyrychuk, T. Stakh, Y. Khaustov, Roman Sidor, O. Burashnikov, Y. Ryzhov, Y. Nastishin","doi":"10.33577/2312-4458.28.2023.69-76","DOIUrl":"https://doi.org/10.33577/2312-4458.28.2023.69-76","url":null,"abstract":"Quantitative description of the quality of images from the military sight-seeing systems, particularly those of armored vehicles, implies specific approaches different from those used in traditional image processing for civilian needs. Our analysis of the literature shows that there are several disadvantages in the definitions of the quantitative image quality indices, which makes them inapplicable for the characterization of targets in images from military sight-seeing systems. First, quantitative indices describing the quality of images introduced for civilian applications and techniques for their measurements are not target-oriented. In most cases, image quality indices available in the literature characterize the image as a whole but turn out to be irrelevant to the visibility and conspicuity of a target. High image quality indices do not guarantee high visibility and conspicuity of a target. Contrarily, frequently high contrast and thereby visibility of a target is accompanied by abnormal (enormously high or low) lighting of the background, target, or both, which enhances the visibility and conspicuity of the target but results in low-quality indices of the image as a whole. Second, expressions for the contrast, visibility, and conspicuity of a target available in the literature are not symmetric with respect to zero and some of them are singular functions. We claim that an image quality index describing the target visibility should satisfy, at least, the following requirements. First, the notion of the threshold local contrast, still (or no longer) resolved by human eyes, must be involved in the definition of visibility. Second, the visibility index should not be a singular function. Third, visibility is a notion strongly related to the neuronal response of the human brain and, thus, should be in the form of an activation function. Forth, the target visibility index should be of the probability character. Fifth, the visibility index should be target-oriented. In this paper, we propose an expression defining the target visibility index which satisfies all five requirements listed above and develop a technique for its measurement based on the measurements of brightness profile along a line and calculation of the local contrast of the target. The measurements of the target visibility index are illustrated for the partial (visible and infrared) images and for images fused by algorithms of different target-oriented image fusion methods.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123141078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of problems of small-angle approximation in mathematical models of projectile flight","authors":"V. Мaidaniuk","doi":"10.33577/2312-4458.27.2022.19-26","DOIUrl":"https://doi.org/10.33577/2312-4458.27.2022.19-26","url":null,"abstract":"The article deals with the topical issue of developing mathematical models of projectile flight, which accurately describe the projectile motion in the air. It is shown that the nature of the mathematical models presentation varies depending on the required reliability degree of the real physical projectile flight process representation by the mathematical model, the adequate consideration of certain forces (moments) acting on the projectile, as well as the level of information about the external flight conditions which include the parameters of the air in which the projectile moves.At the same time, the use of the shape coefficient - the agreement coefficient in the differential equation system leads to \"rough\" mathematical models, which does not allow to adequately describe the projectile flight trajectory and its individual elements. The solution to this problem is especially relevant during developing and implementing procedures, technical solutions in the interest of achieving the necessary level of interoperability with NATO forces, the gradual abandonment of the standard functions of air resistance, the transition to individual functions and mathematical models of projectile motion, which are currently accepted in the member states of the Alliance. The conducted analysis of modern mathematical models showed that their construction is based on an approximate approach, which was called the small-angle approximation, in which, for an axisymmetric rotating projectile, it is considered that the nutation angles are sufficiently small, the aerodynamic forces (moments) depend only on the speed of its flight and the nutation angle, and only the linear terms of their Taylor series expansion are used in the calculations. The nutation-precessional behavior of the projectile was considered and the nonlinear dependencies of the coefficients of the aerodynamic forces (moments) of the projectile on the angles of nutation were revealed.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125303417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of the ballistic sound wave of the bullet to determine the point of hitting the target","authors":"A. Shulgin, O. Tymoschuk, D. Khaustov, O. Burashnikov, D. Vilgush, Y. Nastishin","doi":"10.33577/2312-4458.27.2022.45-52","DOIUrl":"https://doi.org/10.33577/2312-4458.27.2022.45-52","url":null,"abstract":"Development of armament and training military equipment aimed to improve the support of units as well as to speed up and improve the quality of training of military personnel are the tasks that remains important and gained special priority in the conditions of war. The study of existing technologies and methods for improving the processes of training and conducting combat shows that a promising direction in this regard is the analysis of the sound field to obtain detailed information about the events on the battlefield or at the place of firing and tactical training classes. \u0000The analysis of the sound field during the flight of the bullet is important both for use in the educational and training process as well as during the performance of combat missions. The great advantage of such methods is the relative simplicity, low cost of equipment and the absence of unmasking factors in the form of electromagnetic radiation from various spectral ranges. Another advantage is the ability to modernize existing equipment and weapons without the need to make drastic changes to the design and operation scheme of used armament and equipment. \u0000The paper proposes a method for the determination of the trajectory of a bullet or projectile to establish the point of impact or to determine the direction of deviation from the real or training target in the case of a failed shot. Mathematical algorithms obtained on the basis of the proposed physical model for detecting the flight of a bullet in the vicinity of a system of microphones located near the target, compactly placed at certain distances from each other on a rigid tripod, are presented. An analysis of the technical possibility of implementing the corresponding device and its functioning in the conditions of a real experiment was carried out. \u0000The results of the experimental verification of the capability of the method are presented in order to confirm the correctness of the mathematical calculations, as well as to determine the possible directions of development of the approach and the ways of increasing the accuracy of the determination of the calculated parameters. The experimentally obtained data agree well with the results of theoretical calculations. \u0000Employment of the proposed acoustic system for the determination of the coordinate of the target hitting point together with the traditional target equipment allows one to enhance the training process in firing and tactical training as well as improves the learning of the training issues. It also shortens the time needed for the analysis of the results of the shooting exercises and allows one to reduce the consumption of ammunition in the training process. The analysis of the ballistic sound wave of a bullet, in order to determine the coordinates of the bullet flight path, can be used in the training process of military personnel and during real battles.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122245755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The development of a heavy class combat robotic ground complex based on the BTR-4E armored personnel carrier","authors":"V. Gliebov, V. Zhadan, V. Korolov, Ia. Mormylo, S. Strimovskyi, O. Volkovoi, Yu. Hanzera, V. Lypovets, S. Folynin","doi":"10.33577/2312-4458.27.2022.3-10","DOIUrl":"https://doi.org/10.33577/2312-4458.27.2022.3-10","url":null,"abstract":"The article considers the development of a heavy-class robotic ground combat system based on the BTR-4E armored personnel carrier. \u0000Analysis of samples the heavy class combat robotic ground complexes showed that they can be developed on the basis of serial crewed military vehicles HMMWV (AM General), M-ATV (Oshkosh), BMP-3 (Russia), T-72 (Russia), M113 (Israel), Patria AMV (Finland) or create a new design MDARS (AM General), Black Knight (BAE Systems), \"Uran-9\" (Russia), TYPE-X (Milrem Robotics). They are made on a tracked or wheeled platform. What unites this class of robotic ground combat systems is a remotely controlled combat module with a 25-30 mm cannon, anti-tank guided missiles, a machine gun and a grenade launcher, which can be controlled from a distance. \u0000A comparative analysis of the tactical and technical characteristics the BTR-4E armored personnel carrier with military vehicles with a 30 mm cannon in service with the Armed Forces of Ukraine has been performed. As a result, the choice of     BTR-4E armored personnel carrier as the basic crew unit for the construction of a heavy class robotic ground combat system has been substantiated. \u0000The analysis of the design of control drives of the power plant, transmission, braking system, steering system and combat module installed on the BTR-4E armored personnel carrier was carried out in terms of the possibility of implementing remote control of movement and fire. \u0000The structure of a combat ground robotic complex based on the BTR-4E armored personnel carrier with different variants of remote control panels, means of establishing communication channels and construction of a remote control station is proposed. \u0000For example, the driver's remote control panel may be designed on the basis a tablet or on the basis a simulator for full simulation of control commands. Remote controls for the commander and gunner can be designed on the basis of regular controls and be similar to them for quick training of the crew to work. \u0000Communication between remote control units and the controlled armored personnel carrier can be arranged using ultrashort-wave radios or via the 4G, 5G mobile network. \u0000The remote control point can also be developed on the basis a BTR-4E armored personnel carrier, a military vehicle or deployed on the ground. It depends on the concept of application of the heavy class combat ground robotic complex.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"109 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133517448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design features of underwater breathing apparatus","authors":"H. Haponenko, R. Melnyk, I. Horchynskiy, A. Karshen, Y. Ftemov, O. Lischinskyy","doi":"10.33577/2312-4458.27.2022.65-74","DOIUrl":"https://doi.org/10.33577/2312-4458.27.2022.65-74","url":null,"abstract":"The problem of finding and disposing of explosive objects in the water areas of seas and rivers that remain as a result of hostilities on the territory of our country is urgent and requires appropriate technical equipment. The technical support (equipment) for performing underwater work, which is in service with the Armed Forces of Ukraine, is outdated and can pose a threat to the life and health of sapper divers during the performance of complex combat tasks on a regular basis. One of the pressing issues today is the transition of the Armed Forces of Ukraine to NATO standards. Taking this into account, the issue of not only transitioning to international standards that regulate the processes of development, planning, testing, operation, repair or modernization of weapons and equipment, but also the preservation of the lives of personnel during combat missions is an urgent issue. Accordingly, the search for ways to increase the safety of military personnel during diving descents with explosive work is relevant. The purpose of the study is to analyze the possibility of making structural changes in underwater breathing apparatus (UBA) with an open breathing circuit of the ABA type and to evaluate the effectiveness of the changes made using a composite efficiency index. The types of UBAs with an open breathing circuit of the ABA type are analyzed, the main advantages and disadvantages of UBAs with open, semi-closed and closed circuits of gas supply for breathing are indicated. The principlescheme of the UBA type ABA was considered and constructive solutions were proposed to increase the safety of diving descents and works. Introducing a fundamentally different design of the reducer and the reserve air supply valve into the design scheme will provide an opportunity to control the air supply in the UBA, increase the safety of diving descents and work. The proposed changes in the design will improve the safety of diving descents and underwater work. The obtained results can be used in further scientific research in the direction of modernization and development of promising means of diving equipment.","PeriodicalId":410766,"journal":{"name":"Military Technical Collection","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123376752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}