A diagnosis method based on graph neural networks embedded with multirelationships of intrinsic mode functions for multiple mechanical faults
August 2025
Fault diagnosis occupies a pivotal position within the domain of machine and equipment management. Existing methods, however, often exhibit limitations in their scope of application, typically focusing...
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Distributed event-triggered control for UAV swarm target fencing with network connectivity preservation and collision avoidance
August 2025
This paper proposes a distributed event-triggered control (ETC) framework to address cooperative target fencing challenges in UAV swarm. The proposed architecture eliminates the reliance on preset formation...
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Landing scheduling for carrier aircraft fleet considering bolting probability and aerial refueling
August 2025
Recovery is a crucial supporting process for carrier aircraft, where a reasonable landing scheduling is expected to guide the fleet landing safely and quickly. Currently, there is little research on...
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Localization and tracking of multiple quadrotors with collision avoidance: Theory and experiment
August 2025
Multiple quadrotors target encirclement is widely used in the intelligent field, as it can effectively monitor and control target behavior. However, it faces the danger of collision, as well as difficulties...
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Experimental and numerical study of the interaction between a shaped charge jet and a single ERA moving plate
August 2025
An analysis of the interaction mechanisms between a Shaped Charge Jet (SCJ) and a single Moving Plate (MP) is proposed in this article using both experimental and numerical approaches. First, an experimental...
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Screening of metal additives in ABS polymer fuel for enhanced performance in hybrid rocket motors: A computational analysis using CEA
August 2025
This study investigates the potential of metal additives in acrylonitrile butadiene styrene (ABS) polymer fuel to enhance hybrid rocket motor (HRM) performance through computational analysis, Chemical...
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Experimental study on the anti-penetration characteristics of liquid-filled structure with air layer
August 2025
The study aims to explore the damage characteristics and protection technologies of liquid-filled structures under high-speed projectile impact. A series of penetration impact experiments were conducted...
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Damage prediction of rear plate in Whipple shields based on machine learning method
August 2025
A typical Whipple shield consists of double-layered plates with a certain gap. The space debris impacts the outer plate and is broken into a debris cloud (shattered, molten, vaporized) with dispersed...
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Semantic segmentation of camouflage objects via fusing reconstructed multispectral and RGB images
August 2025
Accurate segmentation of camouflage objects in aerial imagery is vital for improving the efficiency of UAV-based reconnaissance and rescue missions. However, camouflage object segmentation is increasingly...
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A self-sensing HTPB liner for non-destructive monitoring nitroglycerin (NG) migration at the interface between double base propellant and the HTPB liner
August 2025
During the storage of composite propellants, the migration of plasticizers and other unbonded additives at the interfaces of liner adhesives has garnered significant attention in understanding liner...
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Calibration of empirical penetration models using large deformation explicit finite element simulations of rapid penetration in clay
August 2025
Numerous former military sites worldwide require environmental cleanup from buried unexploded ordnance (UxO) that pose hazards such as leaching toxic chemicals and explosion risks. However, selecting...
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Reverse design of solid propellant grain based on deep learning: Imaging internal ballistic data
August 2025
The reverse design of solid rocket motor (SRM) propellant grain involves determining the grain geometry to closely match a predefined internal ballistic curve. While existing reverse design methods...
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Fabrication of energetic semiconductor Bridge with high efficiency, accuracy and low cost by 3D direct writing
August 2025
Enhancing the output capacity of semiconductor bridge (SCB) through the application of composite nano-energetic films is a subject of wide concern. Furthermore, improving the safety, reliability, and...
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A sparse moving array imaging approach for FMCW radar with dual-aperture adaptive azimuth ambiguity suppression and adaptive QR decomposition
August 2025
Range-azimuth imaging of ground targets via frequency-modulated continuous wave (FMCW) radar is crucial for effective target detection. However, when the pitch of the moving array constructed during...
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Longitudinal optimal analytical midcourse guidance for cruise-glide integrated hypersonic vehicles
August 2025
For the longitudinal midcourse guidance problem of a cruise-glide integrated hypersonic vehicle (CGHV), an analytical method based on optimal control theory is proposed. This method constructs a guidance...
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An isogeometric approach for vibration characteristics analysis of functionally graded triply periodic minimal sandwich curved-doubly shell integrated with magneto-electro surface layers subjected to low-velocity impact load
August 2025
In this paper, the isogeometric analysis (IGA) method is employed to analyze the oscillation characteristics of functionally graded triply periodic minimal surface (FG-TPMS) curved-doubly shells integrated...
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A hierarchical simulation framework incorporating full-link physical response for short-range infrared detection
August 2025
Missile-borne short-range infrared detection (SIRD) technology is commonly used in military ground target detection. In complex battlefield environments, achieving precise strike on ground target is...
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Collision-inducing method for UAV evasive maneuvers based on receding horizon optimization
August 2025
Aiming at the missile avoidance problem of the unmanned aerial vehicle (UAV) in complex obstacle environments, this work proposes a collision-avoidance method based on receding horizon optimization....
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Numerical simulation on the combustion characteristics of scramjet at high Mach number
August 2025
To investigate the problem of ethylene jet mixing and combustion in the scramjet at high Mach number (Ma = 8), numerical simulations were carried out for different equivalent ratios at cold and combustion...
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TA15/TaZrNb multi-element alloy prepared via diffusion bonding: Tensile-strength model and performance of a representative volume element embedded with a sphere
August 2025
In this study, to meet the development and application requirements for high-strength and high-toughness energetic structural materials, a representative volume element of a TA15 matrix embedded with...
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Safety assessment of framed hot launch departure for sea-based rockets in rough sea conditions
August 2025
Sea-based rocket launches encounter significant challenges stemming from dynamic marine environmental interactions. During the hot launch phase, characterized by low-velocity ascent, the departure of...
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Prospects of energy release and mechanical behavior of reactive high-entropy alloys
August 2025
High-entropy alloys (HEAs) with multi-component elements have attracted significant interest since they exhibit numerous superior properties compared to traditional ones. These properties include significant...
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Response of underwater cylindrical shell subjected to supercavitating projectile trans-medium penetration: Experiment and simulation
August 2025
To investigate the dynamic response of the cylindrical shell targets to supercavitating projectile trans-medium penetration and the penetration mechanism, experiments and numerical simulations were...
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Deformation patterns of steel targets against long rod penetration
August 2025
An experimental and finite element simulation investigation are conducted to study the deformation patterns of steel targets during the penetration process of tungsten alloy long rods, as well as the...
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Novel optimization techniques for underwater wireless optical communication links: using Monte Carlo simulation
August 2025
The Underwater Communication Link (UCL) is a crucial component of Underwater Wireless Optical Communication (UWOC) systems, requiring optimised design to mitigate the high power attenuation inherent...
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