Nanjing University of Aeronautics and Astronautics

Simulation of SAR multi-angle ship target imaging, considering multiple scattering

Ship recognition based on SAR imagery supports in maritime tracking and security applications. However, the cost and limited accessibility of real SAR data make simulation a critical alternative to address data scarcity. To generate high-fidelity SAR images of ship targets, this...

Coupled Design of In-Plane Heat Spreading and Boundary-Tailored Nonuniform Discrete-Heater Geometry for Composite Electrothermal Ice-Protection Systems

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 spreading and discrete heater ge...

The Relationship between Tool Coatings and Process Parameters on Cutting Forces and Wear in High-Speed Machining

This paper provides a comprehensive analysis of cutting force dynamics in High-Speed Machining (HSM), a critical factor for ensuring structural integrity and productivity in advanced manufacturing. The study synthesizes the role of piezoelectric dynamometry and the Finite Element...

Density Modulated (Co‐W)@Ag Core‐Shell Microspheres as Magnetic Fillers of Liquid Metal E‐GaIn for Soft Intelligent Systems

Through innovative composition and structural design, this study develops core-shell microspheres featuring Co-W alloy cores and Ag shells. Their formation relies on the synergistic effect of solid-liquid interface dewetting, principle of energy minimization, and marangoni effect...

DCC-Transformer: a dense cross-connected Transformer leveraging multi-feature fusion for hyperspectral unmixing

More and more deep learning models are being applied in the field of hyperspectral unmixing (HU), among which Transformer-based models have shown superior performance. However, Transformer-based models currently lack the ability to extract various feature information from hypersp...

Investigation of the Coupling Interference Mechanisms in Long-Range Tandem Multijets Based on a Body of Revolution Configuration

Abstract Existing literature focuses on closely spaced multijet and single-jet configurations, leaving a gap in understanding the interaction mechanisms arising from complex wave systems and wakes in a widely spaced multijet setup. This study presents an experimental investigatio...

From office to living room: linking AI awareness and career sustainability from a work–family boundary perspective

Purpose Drawing upon work–family boundary theory and the significance of employees career sustainability amid widespread artificial intelligence (AI) adoption, this study examines the impact of AI awareness on two indicators of career sustainability (i.e. well-being and productiv...

Thrust Ripple Suppression of Linear Permanent Magnet-Assisted Synchronous Reluctance Motor

The multilayer flux-barrier structure creates strong magnetic saliency in linear permanent magnet-assisted synchronous reluctance motors (PMa-SynRM-LMs). It offers high thrust density with a reduced permanent magnet volume, but it can also produce severe thrust ripple. This paper...

Computational Modeling of Magnetohydrodynamic Non‐Newtonian Fluid Transport With Coupled Thermal–Solutal Exchange and Entropy Generation in Wavy Channel

ABSTRACT We employ a rigorous analytical framework to investigate ciliary motion coupled with heat and mass transfer, an approach essential for understanding the fundamental biological processes that govern airway physiology. This work offers a computational tool for modeling non...

Data-driven control for orbit transition of piezoelectric energy harvesters under stochastic excitation

To address the tendency of bistable piezoelectric energy harvesting systems to remain trapped in low-energy intrawell oscillations and the difficulty of sustaining high-energy interwell motion under stochastic disturbances, this study proposes a data-driven event-triggered jump–d...

Efficient Parametric Analysis Framework for Rotor/Wing Hover Interference of DEP Unmanned Aerial Vehicles

During hover, DEP unmanned aerial vehicles (UAVs) suffer severe aerodynamic interference between rotor downwash and the wing, causing thrust loss. High-fidelity CFD can capture the interference physics but is too costly for iterative design. Existing reduced-order models (ROMs) a...

Dependence of mechanical properties on microstructural partitioning driven by non-uniform rare-earth distribution in laser-CMT hybrid welded Mg-Al-Zn alloy

The insufficient mechanical properties in welded magnesium alloy joints, which are inherently due to weak metallic bonds, pose a considerable challenge that restricts their widespread application in lightweight aircraft structures. This paper focuses on the enhancement of mechani...

Data‐Driven Adaptive Longitudinal Control With a Fuzzy‐Logic‐Based Dynamic Internal Model for Carrier‐Based UAV Landing

ABSTRACT This article addresses the landing control problem of carrier‐based unmanned aerial vehicles (UAVs) subject to strong nonlinearities, measurement fading, and external disturbances. First, an enhanced data‐driven adaptive control scheme is proposed which integrates an ada...

Robust Angles-Only Tracking of Cislunar Noncooperative Maneuvering Targets with Observation Gaps

This study investigates space-based angles-only orbit tracking of cislunar noncooperative maneuvering targets under the Earth–moon Circular Restricted Three-Body Problem. The problem is particularly challenging when impulsive maneuvers occur during observation gaps, owing to accu...

Integrated optimization of collection point selection, UAV routing, and upload scheduling for UAV-aided data collection

Unmanned aerial vehicles (UAVs) provide a flexible means of collecting data from spatially distributed sensor networks in intelligent transportation systems. This study investigates a UAV-assisted data collection problem that jointly optimizes collection point (CP) selection, UAV...

Sequential–hierarchical coordination for multi-task enroute air traffic control

Enroute air traffic controllers (ATCOs) face two fundamentally distinct yet interrelated operational tasks: macroscopic flow-level planning and flight level assignment for sector-wide traffic optimization over time horizons on the order of tens of minutes and microscopic real-tim...

Hardware‐Efficient FMCW Laser Ranging Beyond the Coherence Length Approaching the Wiener Phase Noise Limit

ABSTRACT Coherent ranging based on frequency‐modulated continuous‐wave (FMCW) lasers is highly promising for autonomous systems. However, the high‐cost laser source hinders the large‐scale deployment of FMCW lidar, which requires both narrow linewidth and large tuning bandwidth....

Fixed‐Time Disturbance Attenuation Formation Control for Nonholonomic Mobile Robots With Uncertain Sliding

ABSTRACT In this article, a fixed‐time formation control strategy that combines curvature tracking method is proposed for multiple nonholonomic mobile robots with uncertain sliding. Considering the skidding and slipping, a curvature tracking motion law is derived by sorting out t...

Trustworthy open-weather 3D detection via Radar-Guided Dynamic Target Feature Alignment

Trustworthy 3D detection in open weather requires a detector to preserve object semantics and localization accuracy when the weather category, intensity, or their combination is absent from training. LiDAR alone is vulnerable to spatially nonuniform attenuation, backscatter, and...

Interfacial behavior and evolution mechanisms of mechanical and thermal properties in graphene/Cu composites based on molecular dynamics and spark plasma sintering

By integrating the excellent formability of copper with the ultra-high in-plane thermal conductivity and robust mechanical properties of graphene, graphene/Cu composites exhibit broad application prospects in cutting-edge defense equipment, fifth-generation (5G) communications, a...