2026 October - 119 articles
To address the fuzziness of multi-criteria evaluation information and the bounded rationality of decision-makers in small UAV procurement, this paper proposes a procurement decision-making method that incorporates the dual psychological aversion of r...
Rapid prediction of cavity sound pressure spectra is essential for the acoustic design of high-speed vehicles. A spectral database is built from 20 flow conditions (4 Mach numbers × 5 angles of attack) and eight cavity measurement points, givin...
In electronic warfare, jammers are capable of transmitting interference types that have not been previously encountered during radar agent training, thereby rendering radar anti-jamming models ineffective. Due to the short duration of adversarial eng...
This paper presents a hierarchical coordination and safety-filtering framework for connectivity-aware cooperative multi-UAVnavigation in obstacle-dense corridor environments. The architecture separates low-rate centralized team coordination from high...
Aerospace autonomy is increasingly defined by the ability to maintain dependable performance when models, measurements, actuators, and communication networks are imperfect [...]
Inclination of the inertial principal axis in high-speed rotating rotors, spin-stabilized spacecraft, and other equipment induces dynamic unbalance and attitude–inertia coupling. Traceability and calibration technologies for principal axis incl...
Monitoring pilot manipulation behavior is central to civil aviation safety. However, calibrated multi-camera rigs cannot be installed in a cockpit, and a single deployable depth camera yields degraded skeletons. Recognition must therefore transfer ac...
Hydrogen-fueled fuel cell aircraft require powerful thermal management systems to operate. The sizing and integration of these systems remain a key challenge for this type of propulsion system. This study investigates the impact of a fuel cell coolin...
Rigid aerial-refueling booms experience atmospheric disturbances, aerodynamic-model mismatch, and residual within-channel effects. This study develops an LESO-enhanced reduced-order
The present contribution evaluates the responses produced by several semi-empirical wing-mass-estimation methods based on a wide range of parameter variations on the wing of an Airbus A320ceo-class aircraft model. A common wing-parametrization method...
Heat transfer, friction, and thermal performance of perforated flow blockages are measured in a confined rectangular channel (W/H = 9.375, Re = 7700–12,200). Wall temperature fields are measured by thermochromic liquid crystal thermography. Flo...
Two-Line Element (TLE)-based orbit forecasts propagated with Simplified General Perturbations 4 (SGP4) exhibit time-dependent, biased, and spacecraft-specific errors. Previous approaches have reduced these errors by optimising SGP4 parameters against...
Unstructured aviation accident narratives are difficult to convert into causal, decision-oriented models. This research presents and validates a generative pre-trained transformer (GPT)-powered automated analysis framework for aviation safety risk. G...
This article presents a constraint-aware multiparameter methodology for mass optimization and volume assessment of an electric-pump feed system (EPFS) for a liquid-propellant rocket engine. Preliminary EPFS sizing must account for coupled battery ene...
Hardware reliability priorities may depend on the decision time scale, which a single importance ranking may obscure. A solar-powered unmanned aircraft system (UAS-A) for field-information support is assessed using a 21-event static fault tree, 17 mi...
Unmanned aerial vehicles (UAVs) are widely used in the civilian field. However, structural dynamics issues, especially the nonlinear vibration of UAV blades, remain a key bottleneck that limits their operational reliability, dynamic stability, and mi...
Three-dimensional numerical simulations are used to investigate the mixing performance of pulse injection in a supersonic combustion chamber. The influence of complex nozzle configurations is excluded, and the effects of pulse dynamics on mixing perf...
This article addresses the output feedback control of nonlinear systems via a fuzzy affine model-based method and observer design technique. To acquire the estimation of the unmeasurable system states, a piecewise affine observer is first devised. By...
In the digital twin modeling of aero-engine turbine blades, traditional CFD requires extensive computational time. Existing data-driven models also struggle to achieve multi-physics decoupling and high-accuracy predictions with extremely small sample...
Discrete heating and spatially varying convection jointly determine temperature distributions in composite electrothermal ice-protection structures. A two-dimensional transient multilayer model is used to examine the coupling between in-plane heat sp...
Low-Earth-Orbit (LEO) satellite networks are essential infrastructure for global broadband services. However, their time-varying topology and non-uniform ground traffic distribution hinder traditional centrality-based methods from identifying service...
The airport ground taxiing phase is identified as a significant contributor to fuel consumption and carbon emissions within the aviation transport system. However, refined management and research remain challenged by data gaps and model imprecision....
To address the trajectory detours and increased control effort that can arise from field-of-view (FOV) avoidance schemes in environments containing multiple third-party observing spacecraft, this paper investigates joint attitude–trajectory pla...
Thermal coupling deformation is a critical challenge for high-precision, high-thermal-stability carbon fiber honeycomb core reflectors. This study proposes a comprehensive design method for such reflectors based on thermal coupling deformation. Three...
Fleet-level prognostics and health management (PHM) requires decisions that extend beyond diagnosis, remaining useful life estimation, and maintenance timing. Mission commitment, aircraft dispatch, maintenance, and spare-parts support consume the sam...
A plant–controller co-design methodology is proposed in which the reference model dynamics are parameterized and incorporated directly into the optimization rather than prescribed a priori. Within an Explicit Model Following (EMF) architecture,...
The solid-rocket ramjet is a promising and critical propulsion component for propulsion systems in hypersonic vehicles. However, the gas-flow regulation system of the solid-rocket ramjet exhibits strong nonlinearity, time-varying parameters and abrup...
Adhesively bonded carbon-fiber-reinforced polymer (CFRP) joints offer efficient load transfer and weight-saving potential in aerospace structures. The simple geometry of single-lap joints (SLJs) makes them useful for examining bond durability, althou...
The coherent post-processing of distributed sensors requires spatially separated receivers to be referred to a common time, frequency, and radio-frequency (RF) phase. We study whether these relative offsets between two fixed ground receivers with ind...
In time-marching simulation of airborne wind energy systems (AWESs), the tether is usually discretised into a series of lumped masses (i.e., nodes) connected by spring and damper elements. There is no consensus on the appropriate number of nodes for...
Stall inception in high-speed counter-rotating axial compressors remains insufficiently understood because of the complex unsteady interactions between adjacent rotating blade rows. In this study, full-annulus unsteady Reynolds-averaged Navier–...
This paper proposes a two-stage probabilistic robust controller design framework based on Pareto optimization (TSPO) for aircraft longitudinal short-period motion subject to aerodynamic parameter uncertainties. Unlike conventional robust control appr...
Green hypergolic hybrid rocket propellants are being investigated as a potential solution to the ignition challenges of hybrid rockets and as safer alternatives to toxic hypergolic systems. This review summarizes recent progress in hypergolic hybrid...
Semantic communication offers a method for task-oriented information delivery in artificial intelligence (AI)-enabled space networks, but compact semantic representations remain vulnerable to fading, noise, and structured corruption during transmissi...
A component health indicator does not directly establish whether an aircraft electrical power system (EPS) can sustain its required functions. This study evaluates a digital-twin-conditioned compact ordinal recognizer (DT-COR) for four ordered servic...
Low-altitude unmanned aerial vehicles (UAVs) require compact multimodal inference for perception, environment understanding, and planning-oriented reasoning. Vision-language models (VLMs) provide a shared interface for these tasks, but long visual-to...
Designing arrival routes in terminal airspace requires deciding how inbound streams should be grouped and where the resulting merge points should be placed. This paper searches convergence topology, merge-point positions and population-aware path dec...
Although short-term conflict alert (STCA) is a well-established safety net in air traffic management, STCA tailored to low-altitude urban air mobility (UAM) operations under the provider-of-services-for-UAM (PSU)-centered framework remains underexplo...
Accurate simulation of repetitive aircraft shock is needed to assess the environmental adaptability of aircraft equipment, especially at locations close to the excitation source. Conventional narrowband random-on-random (NOR) testing generates a stat...
To address the reentry guidance problem of hypersonic glide vehicles under complex constraints and terminal area energy management (TAEM), a nonlinear analytical guidance method based on the concept of range–energy efficiency (REE) is proposed....
This study assesses the navigation-service availability and observation geometry of a layered cislunar architecture using the BeiDou Navigation Satellite System Phase III (BDS-3) as the Earth-side primary source and distant retrograde orbit (DRO) and...
Urban air mobility path planning must account for objects that do not provide cooperative surveillance information, but their motion and avoidance responses vary by class, making a single extrapolated trajectory insufficient to inform every path deci...
When small multirotor unmanned aerial vehicles (UAVs) undergo uncontrolled descent following low-altitude failures, inadequate impact protection can cause airframe damage and injuries to people on the ground. Inspired by the feline paw pad, whose cen...
Reliable onboard state estimation plays an important role in autonomous lunar surface mobility, given the lack of conventional global navigation satellite system (GNSS) coverage and the challenges of variable illumination and terrain texture. This re...
Liquid–liquid coaxial swirl injectors in liquid-rocket engines experience oscillatory disturbances simultaneously in both propellant feed systems, which can significantly affect injector dynamic response and oxidizer-to-fuel ratio oscillations....
Unmanned aerial vehicle (UAV) path planning is widely applied in fields such as Internet of Things (IoT) environmental monitoring, intelligent transportation, low-altitude logistics, and autonomous inspection. With the rapid development of UAV intell...
Ground-based photometric data of high-orbit targets are essential for attitude estimation and physical characterization, but their quality is degraded by atmospheric turbulence, sky background, and tracking instabilities. Existing methods rely on dis...
Aircraft fleet maintenance must translate uncertain health information into executable decisions under shared resource constraints. We present belief-guided risk-aware multi-agent scheduling (BRiMS), a framework linking probabilistic health beliefs a...
Layered carbon fiber composite materials are widely employed in key load-bearing components such as aircraft wings and fuselages in the aerospace industry owing to their high strength-to-weight ratio. However, they are prone to hidden internal damage...
Target maneuvers and impulsive measurement outliers can both produce large innovations, posing a challenge to accurate space target tracking. To address their simultaneous occurrence, this study proposes a distributed adaptive sliding innovation fixe...
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