AUV Hydrodynamics In Shallow Water During Adverse Weather Conditions
نویسنده
چکیده
My long-term goal is to contribute, by means of an accurate hydrodynamics model, to efficient design, development and operation of autonomous underwater vehicles in energetic shallow waters. From a scientific viewpoint, the development of the AUV hydrodynamic model will contribute to a better understanding of wave-body-current interactions, nonlinear shallow-water waves, wave effects on stability and maneuverability of vehicles, and turbulent flows about under-water and near-surface vehicles.
منابع مشابه
Model Based Predictive Control of Auvs for Station Keeping in a Shallow Water Wave Environment
An important consideration for Autonomous Underwater Vehicles in shallow water is station keeping. Station keeping is the ability of the vehicle to maintain position and orientation with regard to a reference object. In shallow water AUV operations, where large hydrodynamic forces are developed due to waves, knowledge of the sea is critical to allow for the design of a control system that will ...
متن کاملGround and surface water developmental toxicity at a municipal landfill: description and weather-related variation.
Contaminated groundwater poses a significant health hazard and may also impact wildlife such as amphibians when it surfaces. Using FETAX (Frog Embryo Teratogenesis Assay-Xenopus), the developmental toxicity of ground and surface water samples near a closed municipal landfill at Norman, OK, were evaluated. The groundwater samples were taken from a network of wells in a shallow, unconfined aquife...
متن کاملA Deterministic Model for Predicting Hourly Dissolved Oxygen Change: Development and Application to a Shallow Eutrophic Lake
Predicting dissolved oxygen (DO) change at a high frequency in water bodies is useful for water quality management. In this study, we developed a deterministic model that can predict hourly DO change in a water body with high frequency weather parameters. The study was conducted during August 2008–July 2009 in a eutrophic shallow lake in Louisiana, USA. An environment monitoring buoy was deploy...
متن کاملAcoustic projectors for AUV and UUV applications in shallow water regions
For acoustic identification of objects in a littoral environment, there are generally three frequency bands of interest; 1 kHz to 10 kHz, 10 kHz to 100 kHz and 100 kHz to 1 MHz, where the selection of these bands is dependent upon the specific Navy mission. This paper will discuss the progress of the Naval Research Laboratory in developing acoustic projector prototypes to address the lower two ...
متن کاملAUV Navigation and Self-Motion in Shallow Water
We wish to address the problems of navigation and self-motion of small AUVs in shallow water. Speci c objectives are to characterize the performance of the navigation system and Kalman lter in shallow water and energetic environments; to characterize the self-motion properties of small AUVs operating in shallow water in relation to sea-state and depth; to evaluate the suitability of small AUVs ...
متن کامل