Research Status and Prospect of Hard-Target Penetration Initiation Control Technology

doi:10.12382/bgxb.2022.0102

Abstract

Abstract:

In order to promote the development of hard-target penetration initiation control technology, based on the hard-target penetration initiation control process, the development status of signal perception, signal processing and initiation control methods are reviewed. The theoretical results and numerical simulation results of penetration overload signal composition, warhead-fuze response and time-frequency characteristics are analyzed. The mixed signal processing, feature extraction and enhancement methods are summarized. The research status of new detection devices, filter materials and adaptive algorithm are reviewed. Through comprehensive analysis, the complexity of penetration overload signal and limitations of current initiation control technologies are revealed. In order to meet the development needs of penetration ammunition, it is important to master the change rules of overload under the constrains of projectile structure, target characteristics and penetration conditions, and to study the mechanism and processing method of multi-physical field signals, and composite sensing, information fusion and quick processing methods. The aim is to formulate a model-based initiation control strategy and independently recognize the process of the projectile penetrating a multi-layer hard target, thus forming an initiation control method with wider applications.

Key words: hard target, penetration, fuze, overload characteristics, numerical simulation, signal processing, initiation control, equivalent experiment

LIU Weizhao, LI Rong, NIU Lanjie, SHI Kunlin. Research Status and Prospect of Hard-Target Penetration Initiation Control Technology[J]. Acta Armamentarii, 2023, 44(6): 1602-1619.

Figures/Tables 15

Fig.1 Composition of initiation control system for hard-target penetration fuze[1]

Fig.2 Three 7270A sensors combined to form a three-axis accelerator[9]

Fig.3 Overload curve of projectile penetrating four-layer concrete at 295m/s[11]

Fig.4 Comparison of overload at the head and tail of projectile penetrating multi-layer target without interval[13]

Fig.5 150000g overload curve of projectile penetrating the steel plate[14]

Fig.6 Test curve and signal processing results of projectile penetrating multi-layer target[30]

Fig.7 Penetration overload curve of projectile penetrating multi-layer target in different media[31]

Fig.8 Development path of American penetration fuze initiation control technology[38]

Fig.9 Initiation control results of projectile penetrating four-layer concrete target

Fig.10 FMU167B fuze with multi-void sensing initiation control function[40]

Fig.11 Penetration test at SNL[48]

Fig.12 Application scope of different test methods[51]

Fig.13 Simulation curves of 155mm projectile penetrating intensity target and multi-layer target[62]

Fig.14 Overload curve of projectile penetrating 10-layer concrete[71]

Fig.15 Void sensing initiation control flow

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