ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Within the EU FP7 project “Cognitive autonomous diving buddy (CADDY)”, work has been made to assist and monitor divers through Autonomous Underwater Vehicles (AUVs) during their long underwater expeditions. To achieve this goal, one milestone is to give the AUV the capability to track the diver's whereabouts ...
Altered nutrient cycles and consumer populations are among the top anthropogenic influences on ecosystems. However, studies on the simultaneous impacts of human-driven environmental alterations on ecosystem functions, and the overall change in system multifunctionality are scarce. We used estuarine ...
The EU NeXOS project engineering outputs show that once successful and reaching TRL > 7 [], the sensor cost is highly dependent on the mechanical parts, then, the production cost only diminishes with very large production. And, the loss of equipment is in many cases induced by mechanical failures. ...
Ocean health observations have been performed for hundreds of years. Optimizing the process of gathering information on status as well as changes of oceanographic parameters through research cruises is however still challenging and recently developed robotic opportunities need to be enhanced. Using ...
Fouling build up is a known problem in the industry. Accumulation of fouling can occur in different structures e.g. offshore pipes, ship hulls, floating production platforms. The type of fouling that is being accumulated is dependent on environmental conditions surrounding the structure itself. Current ...
The super-coiled polymer (SCP) actuator, made from silver coated fishing line which can be actuated by an electric current, is a recently discovered artificial muscle with interesting properties such as large contraction (20% - 50%), high power density (5.3 kW/kg), light weight and extremely low cost. ...
Object category classification in remote sensing applications usually relies on exemplar-based training. The latter is achieved by modeling the intricate relationships between visual features and their corresponding object categories. However, these models might fail when applied to fine-grained object ...
Robotics have long sought an actuation technology comparable to or as capable as biological muscle tissue. Natural muscles exhibit a high power-to-weight ratio, inherent compliance and damping, fast action, and a high dynamic range. They also produce joint displacements and forces without the need for ...
This paper proposes a path-following control method for an unmanned surface vessel (USV) based on an identified dynamic model. To handle the USV dynamic model effectively, a three degree-of-freedom model is employed instead of a full nonlinear dynamic model and linearized at specific equilibrium condition. ...
Globally, fresh and brackish water sources are constantly under treat of exposure to toxins. Two of the most prevalent toxins from fresh and brackish water blooms are the cyclic peptide toxins of the microcystin family, formed from cyanobacterial, and the kainic acid analog neurotoxin known as domoic ...
To investigate the characteristics of storm surge on Dongtou fishery port by the different tracks of typhoons, a series of numerical simulations is carried out by using the Delft3D model. The tidal level processes of 4 typhoons which passed by the fishery port on four different directions are analyzed. ...
The growth of the Blue Economy has been boosted by a set of traditional and new activities including maritime transportation, fisheries, environmental monitoring, deep sea mining, and inspection missions. These activities are urging for a cost-effective broadband communications solution capable of supporting ...
Marine Scotland, a directorate of Scottish Government, comprises of policy, planning and science divisions that collectively aim to manage Scotland's seas for prosperity and sustainability. Across this wide portfolio, data underpin the decisions Marine Scotland makes and the advice it provides to Ministers ...
With the advent of oceans as critical resources, ocean simulation technologies have gained momentum in various fields such as fisheries, marine biology, oil and gas. The complexity of such simulation systems not only shows through the system architecture, the data generation and analysis, but also through ...
Fluorescence in situ hybridization (FISH) is a macromolecule recognition technique, which is considered as a new advent in the field of cytology. Initially, it was developed as a physical mapping tool to delineate genes within chromosomes. The accuracy and versatility of FISH were subsequently capitalized ...
In mammals, the pregnane X receptor (PXR) is a transcription factor with a key role in regulating expression of several genes involved in drug biotransformation. PXR is present in fish and some genes known to be under its control can be up-regulated by mammalian PXR ligands. Despite this, direct involvement ...
Heterodimeric PEBP2/CBFs are key regulators in diverse biological processes, such as haematopoietic stem-cell generation, bone formation and cancers. In this work, we cloned runt-like transcriptional factor (designated as PmRunt) and CBF β (designated as PmCBF) gene, which comprise the heterodimeric ...
Lateral line is the typical sensory organ for aquatic vertebrates. And many scientists have done a lot of studies on combining artificial lateral line with robotic fish. However, the research in this filed is relatively immature and many involved approaches are backward. In this paper, we set up a system ...
A fundamental understanding of how various biological traits and features provide organisms with a competitive advantage can help us improve the design of several mechanical systems. Numerical optimization can be invaluable for this purpose, by allowing us to scrutinize the evolution of specific biological ...