Research Radar

Exploring the Impact and Opportunities of Carbon Pricing in the Transport Sector in CAREC Countries

This report explains how countries in the Central Asia Regional Economic Cooperation (CAREC) region can use carbon pricing strategies to help tackle rising transport-related emissions, drive innovation, and generate public revenues.

Bayesian multimodal fusion for seafloor habitat mapping with autonomous underwater vehicles

Autonomous Underwater Vehicles collect rich multimodal remote sensing data, but robust fusion and classification of heterogeneous sensor streams remains challenging due to noise and habitat variability. We propose a Bayesian multimodal neural netw...

Solving the 3D UAV Path Planning Problem Using an Improved Multi-Leader Multi-Objective Whale Optimization Algorithm

UAV path planning in complex static 3D environments involves multiple conflicting objectives and intricate constraints. However, when applied to highly constrained path planning tasks, MOWOA often suffers from a low proportion of feasible solution...

High-resolution photogrammetry reveals links between reef structural complexity, fish communities, and human influence in a remote Pacific atoll

Coral reef degradation is accelerating globally, yet monitoring efforts remain uneven in scale, accessibility, and resolution. Visual surveys of percent live coral cover offer low-cost but coarse assessments of reef health, while more advanced too...

Study on the Intramolecular H-Migration Kinetics of Strained Polycyclic Hydrocarbons with Distinct Cis and Trans Configurations

High-energy-density fuels (HEDFs) have garnered considerable interest in aerospace fields, primarily due to their superior density and volumetric net heat of combustion (NHOC) compared with traditional petroleum-based fuels. Strained polycyclic hy...

Pathway-Based Review of LCA Studies on Hydrogen, Methane-Based Fuels, Methanol and Ethanol for Internal Combustion Engines

The role of internal combustion engines in future transport systems is expected to remain central, particularly in hard-to-abate sectors such as heavy-duty road transport and maritime applications. However, their decarbonization requires the adopt...

A Comprehensive Extended Review of Advanced Metallic Alloys for Aerospace Structures: Processing, Properties, Recent Advances, and Future Perspectives

The development of advanced metallic alloys for aerospace applications is continuously progressing to meet new requirements for lightweight construction, energy efficiency, high-temperature operation, durability, and sustainability. The state-of-t...

Comment on essd-2026-300

Abstract. Typhoon-induced ocean responses are not only a key mechanism for regulating global heat transport and maintaining the energy balance of the climate system, but also the core physical processes underlying the intense exchange of matter an...

Gait-dependent control strategies and wave propagation mechanisms of fish in complex flows

Complex unsteady flow environments present substantial challenges to the stability and energy efficiency of autonomous underwater vehicles (AUVs). While fish can utilize mechanisms like the Kármán gait (KG) to conserve energy, a quantitative under...

Multiagent Dynamic Task Allocation Based on Graph Neural Reinforcement Learning Algorithm

Abstract Multi-agent dynamic task allocation (MADTA) for UAV swarm and autonomous systems remains a formidable challenge in highly uncertain and stochastic environments, where conventional reinforcement learning methods struggle with variable inpu...

Multi-feature fusion monthly runoff prediction under different climate conditions using APO-optimized CNN-BiGRU-Self-Attention

Monthly runoff sequences exhibit highly nonlinear and nonstationary characteristics that impede traditional single models from capturing long-term dependencies and abrupt changes. This study proposes a hybrid deep learning model, APO-CNN-BiGRU-Sel...

Adaptive Fixed-Time Sliding Mode Tracking Control of Underactuated AUVs with Flexible Prescribed Performance

This paper proposes a fixed-time nonsingular terminal sliding mode control (FXTNTSMC) method for underactuated autonomous underwater vehicles (AUVs) under uncertain dynamics and flexible prescribed performance. To address the inherent limitation o...

Allocation Integrated Sliding Mode Control for Heading Autonomous Underwater Vehicles with Varying Speeds

This paper addresses the challenge of robust heading control for Autonomous Underwater Vehicles (AUVs) operating under variable speed conditions, subject to system nonlinearities, parametric uncertainties, and actuator constraints. We propose a hi...

A Cross-Layer Adaptive TDMA and Energy-Aware Clustering Protocol for Underwater Acoustic IoT Networks

Underwater Acoustic Internet of Things Networks (UAIoTNs) play vital roles in underwater monitoring, environmental observation and underwater surveillance.In underwater acoustic sensors networks, however, energy efficiency and reliability of commu...

Biphasic Architecture to Enable Structural Integrity and Enhanced Regression Behavior in Ethylene-α-Olefin Elastomer/Polyethylene Wax Fuel Blends

High Resolution Image Download MS PowerPoint Slide Ethylene-α-olefin elastomer (EAO)/polyethylene (PE) wax blends with various compositions were investigated as candidate materials for hybrid rocket fuel applications, focusing on correlating blend...

Advanced Technologies for Maritime and Underwater Archaeology—2nd Edition

Underwater cultural heritage (UCH) is one of the richest and most vulnerable records of humankind’s past [...]

A new paradigm for marine ecological monitoring through swarm intelligence, digital twins, and Human–Swarm interaction

Marine and coastal ecosystems are among the least observable yet most rapidly changing environments, where climate impacts, pollution, and biodiversity loss demand monitoring and intervention at scales that manual sampling and single-robot deploym...

Experimental study on the propagation characteristics of the rotating detonation wave of a small-scale rotating detonation engine

Detonation combustion modes offer potential benefit over deflagration-based combustion due to rapid heat release and pressure-gain characteristics. A small-scale rotating detonation engine (RDE) is a compact detonation-based device capable of cont...

A Rolling-Horizon Model Predictive Control Energy Management System for Shaping the Ports of the Future

Smart-port decarbonisation requires operations-research decision support under day-ahead uncertainty. We present a rolling-horizon Model Predictive Control Energy Management System, formulated as a Mixed-Integer Linear Program with five forecast s...

Effects of viscous dissipation and micropolar heat conduction on thermally radiating MHD flow along a vertical plate

This study investigates the combined effects of viscous dissipation and micropolar heat conduction on steady magnetohydrodynamic (MHD) flow of a thermally radiating micropolar fluid along a vertical plate. The governing nonlinear partial different...