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Defence Technology
Scopus
ISSN 2214-9147 · KeAi Communications Co., Ltd. · 1.760 artikel di indeks
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Artikel Jurnal
Design and experimental verification of a large-scale coupled morphing-wing mechanism for hypersonic vehicles
Hypersonic morphing vehicle (HMV) can reconfigure aerodynamic geometries in real time, adapting to diverse needs like multi-mission profiles and wide-speed-range flight, spanwise morphing and sweep angle variation are representative large-scale wing reconfiguration modes. To meet the HMV's need for…
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Artikel Jurnal
Real-time decision support for bolter recovery safety: Long short-term memory network-driven aircraft sequencing
The highly dynamic nature, strong uncertainty, and coupled multiple safety constraints inherent in carrier aircraft recovery operations pose severe challenges for real-time decision-making. Addressing bolter scenarios, this study proposes an intelligent decision-making framework based on a deep…
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Artikel Jurnal
A methodology for constructing the system-of-systems environment to evaluate UAV decision systems
Evaluating Unmanned Aerial Vehicle (UAV) systems within a System-of-Systems (SoS) environment helps clarify their contribution to the overall combat capability and supports effectiveness-oriented system optimization. When assessing decision systems in such an environment, cross-level modeling and…
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Artikel Jurnal
Phase geometric propagation model of spherical projectile impacting thin plate based on shock wave propagation
Material phase-transition represents a significant phenomenon and mechanism in the context of hypervelocity protection. This study presents a thorough analysis of the phase-transition phenomena induced by shock pressure as the shock wave propagates initially to the rear of the projectile. The shock…
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Artikel Jurnal
Electromagnetic dynamic self-piercing riveting (ED-SPR): A novel approach for enhanced dissimilar material joining
This study introduces electromagnetic dynamic self-piercing riveting (ED-SPR), an innovative technique that integrates electromagnetic riveting principles with static self-piercing riveting (S-SPR) for high-performance structural joints. A dedicated methodology and experimental apparatus for ED-SPR…
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Artikel Jurnal
Energy absorption properties and failure modes of flexible UHMWPE foam protective sandwich structure subjected to low-velocity impact
Flexible materials play a crucial role in protecting against behind armour blunt trauma (BABT). However, their compliance complicates the understanding of failure mechanisms and energy absorption. This study used a combined experimental and numerical approach to investigate the response and failure…
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Artikel Jurnal
Effects of projectile material on high-speed penetration/perforation of Inconel 718 alloy plates: Experiments and simulations
We investigate the effects of projectile material on high-speed penetration/perforation of Inconel 718 alloy (IN718) plates. High-speed ballistic impact tests are conducted on 2 mm-thickness IN718 plates with 5-mm-diameter stainless steel 304 (SS304), Ti alloy TC4, and Al alloy AA1060 spherical…
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Artikel Jurnal
Cascading failure modeling and survivability analysis of weak-communication underwater unmanned swarm networks
Cascading failures pose a serious threat to the survivability of underwater unmanned swarm networks (UUSNs), significantly limiting their service ability in collaborative missions such as military reconnaissance and environmental monitoring. Existing failure models primarily focus on power grids…
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Artikel Jurnal
Characterization of ultrahigh-strain-rate compressive behaviors in single 10-μm scale fibers using a micro-scale Hopkinson bar method
High-performance fiber fabrics and composites experienced transverse compression deformation at ultrahigh strain rates near the impact point when subjected to high-velocity impacts, which significantly affected their ballistic limits. In this paper, a fiber-scale experimental method for…
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Artikel Jurnal
Real-time visualization and numerical investigation of the dynamic compression response behaviours of single AP/HMX particles embedded in an HTPB binder
An in-depth understanding of the behaviours of solid propellants under low-velocity impact loads is crucial for enhancing their safety in applications such as aerospace propulsion. This study investigated the dynamic responses of single ammonium perchlorate (AP)/octogen (HMX) particles embedded in…
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Artikel Jurnal
The effects of compressibility and target strength on shaped charge jet penetration
The penetration of shaped charge jets into targets at high velocities is significantly influenced by the compressibility effect, while at low velocities, the strength effect becomes predominant. In the latter regime, material strength dictates the resistance to plastic deformation and flow, a…
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Artikel Jurnal
Dynamic response of RC columns under off-central explosions: Experimental, theoretical studies and neural network prediction
Reinforced concrete (RC) columns are often subjected to off-central explosion due to the uncertainty of blast locations. However, few studies have focused on the dynamic response of RC columns under off-central explosions. A field blast experiment was conducted under close-in explosion with varying…
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Artikel Jurnal
Bioinspired interface design for enhancing the mechanical properties of energetic composites by developing a root-soil interlocked structure
The interfacial structure and its regulation play a crucial role in determining the overall performance of advanced functional composites. Weak interfacial interactions between carbon fibers and the matrix present a critical challenge limiting the general performance and functional applications of…
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Artikel Jurnal
Avoidance method for medium-to-long-range air-to-air missile based on the kan-λ-ppo algorithm
This study addresses the maneuver evasion problem for medium-to-long-range air-to-air missiles by proposing a KAN-λ-PPO-based evasion algorithm. The algorithm introduces Kolmogorov-Arnold Networks (KAN) to mitigate the catastrophic forgetting issue of Multilayer Perceptrons (MLP) in continual…
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Artikel Jurnal
Experimental study on damage characteristics of t-shaped stiffened plates subjected to different types of shaped charges: Linear-shaped charge, embowed linear-shaped charge, and embowed linear explosively formed projectile
In order to investigate the penetration performance of Linear-Shaped Charge (LSC), Embowed Linear-Shaped Charge (ELSC), and Embowed Linear Explosively Formed Projectile (ELEFP) on T-shaped stiffened plates, a series of near-field air-burst experiments are conducted. The damage modes and…
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Artikel Jurnal
Threat assessment of non-cooperative satellites in interception scenarios: A transfer window perspective
This paper proposes a threat assessment framework for non-cooperative satellites by analyzing their motion characteristics, developing a quantitative evaluation methodology, and demonstrating its effectiveness via representative scenarios with neural network acceleration. The framework first…
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Artikel Jurnal
Hypervelocity impact response and protection for the track steels of rocket sled system via light-gas gun experiments
Hypervelocity rocket sled systems are critical for testing advanced military technologies, yet track damage at speeds exceeding Mach 5 remains a significant challenge for system reliability and performance. In this study, we investigated the hypervelocity impact response and protection for…
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Artikel Jurnal
Autonomous dispatch trajectory planning of carrier-based vehicles: An iterative safe dispatch corridor framework
As carrier aircraft sortie frequency and flight deck operational density increase, autonomous dispatch trajectory planning for carrier-based vehicles demands efficient, safe, and kinematically feasible solutions. This paper presents an Iterative Safe Dispatch Corridor (iSDC) framework, addressing…
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Artikel Jurnal
Impact of CeO2 and GO on the combustion performance of HAN-based electrically controlled solid propellant
Electrically controlled solid propellant (ECSP) offers multiple ignition and adjustable burning rate, serving as fuel for next-generation intelligent propulsion systems. To further enhance the combustion performance of ECSP, a method utilizing electrochemical and thermal decomposition catalysts has…
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