Harbin Engineering University

DBA-Net: Dual-Branch Asymmetric Attention Network for Multitask Perception in Autonomous Driving Under Challenging Environments

Multitask perception has emerged as a critical technology for autonomous driving systems. Despite significant progress, current systems remain vulnerable to environmental variations, particularly challenging lighting conditions (e.g., low-light scenarios, sudden illumination chan...

Abnormal behaviour detection methods in normal navigation modes of ships

To address the challenges of characterising normal ship behaviours in complex maritime scenarios, scarce abnormal samples, and limited interpretability, this paper proposes an unsupervised abnormal ship behaviour detection method based on normal navigation modes using AIS data. F...

Binary-error compensation iteration for optimized Fourier single-pixel imaging

Fourier single-pixel imaging utilizing binary-speckles modulation offers significant advantages in high-speed acquisition; however, it is inherently constrained by quantization-induced image degradation. To address this challenge, we propose an optimized reconstruction method bas...

Bonding Properties and Antifungal and Flame-Retardant Performances of Soy Protein Adhesive Modified by Vanillin Grafting and Iron–Dopamine Synergy

Abstract Currently, environmentally benign biomass-based adhesives have become a research focus of the wood-based panel industry. As an eco-friendly alternative to formaldehyde-based resins, soy protein isolate (SPI) adhesives hold broad application prospects. However, their inad...

Multiscale Study on the Bending Performance of the Hybrid FRP-Reinforced Track Composite Slabs

Abstract This study conceptualizes the track slab and self-compacting concrete filling layer as a composite system designed for equal service life, grounded in the mechanical characteristics of track slab structures. Using theoretical models, a comparative analysis was performed...

Nanoscale Thermocatalysis: Mechanisms, Regulation, and Biomedical Applications

ABSTRACT Thermal‐driven catalysis has emerged as a promising interdisciplinary field that integrates thermal science, catalysis, nanotechnology, and biomedicine by utilizing thermal energy as a driving force for catalytic reactions. Unlike conventional catalytic systems, thermal‐...

Effect of wave-induced motion on the energy harvesting performance of a floating solar-powered AUV

This paper proposes a novel concept of a solar-powered autonomous underwater vehicle (AUV) featuring a foldable solar wing panel. The design enables energy harvesting during surface floating operations. We investigate the time-varying energy harvesting characteristics due to the...

XGait: A Multi-Modality Wireless Sensing Dataset for Indoor Human Tracking and Identification

Wireless sensing has emerged as a promising approach for tracking and identification using commodity Internet of Things devices. However, the features derived from a single wireless modality are often fragile to variations in environmental layouts and walking trajectories. Furthe...

Theoretical design and parametric sensitivity analysis of a passive containment cooling system based on separated heat pipes

A design-oriented inverse methodology is developed for a separated heat pipe passive containment cooling system (SHP-PCS) to determine feasible system configurations from prescribed accident heat removal requirements. A steady thermal-hydraulic sizing model is established by coup...

Data-efficient design of DOPO/rare-earth flame-retardant epoxy resins for carbon fiber composites

To address the challenges of data sparsity and model generalization in small-sample material optimization for flame-retardant resin matrices in composites, this study proposes a “parameterization-visualization” dual-driven strategy. This approach establishes an efficient, standar...

Prescribed-time safe fencing control of multiple unmanned surface vehicles with multiple obstacle constraints

This paper addresses the safe fencing control issue of multiple unmanned surface vehicles (USVs) with multiple obstacle constraints. A prescribed-time distributed safe fencing hierarchical control method is proposed. In the guidance layer, a distributed asymptotic average fencing...

Small-Strain Tensile Characterization and Finite Element Calibration of Sodium Alginate-Based Biomimetic Artificial Muscle Strips

Abstract This study investigates the small-strain tensile response and finite element calibration of sodium alginate-based biomimetic artificial muscle strips and extends the calibrated mechanics to an electro-ionic-mechanical model. The Ni-doped formulation was selected from our...

Correlating Force–Conductance–Structure in Au–1,8-Octanedithiol–Au Molecular Electronics

Abstract Because atomic-scale junction configurations cannot be directly resolved during break-junction measurements, simulations are needed to connect experimental force and conductance signatures with plausible interfacial structures. Here, we use configurational-bias Monte Car...

Oxygen vacancy tungsten oxide modified carbon cloth anode for enhancing microbial fuel cell performance

To mitigate the adverse effects of binders in the anode of microbial fuel cells (MFCs) and to enhance the performance of WO 3 anodes, the WO 3-X /CC, serving as a high-performance anode for MFCs, was developed using magnetron sputtering to apply tungsten oxide onto carbon cloth....

FuzzyCS-Proto: fuzzy client selection with class-wise prototype learning for federated ship underwater structural surface condition classification

Underwater structural inspection is essential for ship maintenance and marine infrastructure management, but practical inspection data are often distributed across different vessels, ports, inspection platforms and sensing devices. Direct centralized training may be limited by da...

Parametric study of injection strategy and two injector layouts for a large low-speed marine HPDI methanol engine

Methanol, as a promising green alternative fuel in marine engines, suffers from the challenge of balancing thermal efficiency and NOx emissions when applied to large low-speed marine high pressure direct injection (HPDI) engines. This study aims to investigate the influence of in...

Peak-Aligned Spatiotemporal Evolution and Local Thermal Contrast of High-KL Regions in a Marine Diesel Engine

High-soot optical-loading structures in a large-bore marine diesel engine were investigated using endoscopic flame images acquired under four operating conditions. Apparent temperature and soot optical thickness, represented by the KL factor (the product of extinction coefficient...

Multidentate Coordination Enables Coupled Bulk Solvation and Interfacial Regulation for Stable Zinc Metal Anodes

ABSTRACT Aqueous Zn metal batteries are fundamentally constrained by the coupled instability of Zn 2+ solvation chemistry and interfacial reactions, which induces parasitic side reactions and non‐uniform Zn deposition. Here, we report a multidentate‐coordination electrolyte strat...

Seismic Risk Assessment of Elevator Entrapment in Urban Buildings

Abstract When an earthquake occurs, elevators are highly susceptible to damage, leading to people being trapped and posing significant challenges to emergency rescue. This paper proposes a method for assessing the number and distribution of elevator-trapped individuals in urban a...

Some Semi-decoupled Algorithms with Optimal Convergence for a Four-Field Linear Thermo-poroelastic Model

Abstract We propose a parallel semi-decoupled algorithm to efficiently solve a four-field thermo-poroelastic model. At the initial time step, all variables are computed simultaneously using a monolithic solver; thereafter, the system is split into a mixed linear elasticity (M) su...