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Rozprawy doktorskie na temat „Unmanned water vehicles”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Powers, Craig W. "Monitoring the Transport of Microorganisms in Aquatic Environments Using Unmanned Surface Vehicles." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/81961.

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The majority of the Earths surface is covered with water, and the air-water interface (AWI) acts as the natural boundary between the atmosphere and the water. The AWI is an important ecological zone in natural aquatic habitats that governs transport of material and energy between bodies of water and the atmosphere. Little is known about temperature profiles and biological transport across the boundary layers at the air-water interface, and how wind interactions at the AWI affects them. New technologies such as sensors and unmanned surface vehicles (USV) need to be developed and used to address

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Wigmore, Oliver Henry Wigmore. "Assessing Spatiotemporal Variability in Glacial Watershed Hydrology: Integrating Unmanned Aerial Vehicles and Field Hydrology, Cordillera Blanca, Peru." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471854919.

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Reali, Andrea. "Potentialities of Unmanned Aerial Vehicles in Hydraulic Modelling : Drone remote sensing through photogrammetry for 1D flow numerical modelling." Thesis, KTH, Byggvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234306.

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In civil and environmental engineering numerous are the applications that require prior collection of data on the ground. When it comes to hydraulic modelling, valuable topographic and morphology features of the region are one of the most useful of them, yet often unavailable, expensive or difficult to obtain. In the last few years UAVs entered the scene of remote sensing tools used to deliver such information and their applications connected to various photo-analysis techniques have been tested in specific engineering fields, with promising results. The content of this thesis aims contribute

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Wick, Andrew. "Computational simulation of an unmanned air vehicle impacting water." [Ames, Iowa : Iowa State University], 2006.

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Bacciaglia, Antonio. "Design and Development of a Propulsion System for a Water-Air Unmanned Vehicle." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.

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This work aims to contribute on the design of a Bimodal Unmanned Underwater and Air System (BUUAS). This research project will first present background informations of current hybrid UAV concepts with a focus on the different types of propulsion mechanisms used in air/water transition. Then a brief description of BUUAS will lead to requirements for the transition mechanism that this work aims to develop. After a section dedicated to the description of a short-impulse thruster layout, theoretical and experimental approaches are used to determine the amount of thrust generated. As second design

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Zink, Gregory. "Computational studies on the effect of water impact on an unmanned air vehicle." [Ames, Iowa : Iowa State University], 2008.

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Souanef, Toufik [Verfasser], and Walter [Akademischer Betreuer] Fichter. "Adaptive guidance and control of small unmanned aerial vehicles / Toufik Souanef ; Betreuer: Walter Fichter." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2019. http://d-nb.info/120531587X/34.

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Hajosy, Michael F. "Six degree of freedom vehicle controller design for the operation of an unmanned underwater vehicle in a shallow water environment." Thesis, Monterey, California. Naval Postgraduate School, 1994. http://hdl.handle.net/10945/26251.

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Closed loop control of an unmanned underwater vehicle (UUV) in the dynamically difficult environment of shallow water requires explicit consideration of the highly coupled nature of the governing non-linear equations of motion. This coupling between an UUV's six degrees of freedom (6 DOF) is particularly important when attempting complex maneuvers such as coordinated turns (e.g. simultaneous dive and heading change) or vehicle hovering in such an environment. Given the parameter and modelling uncertainties endemic to these equations of motion, then a robust 6 DOF sliding controller employing s

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9

Hårding, Vidar. "Control and Autonomy of a Water Quality Measuring Unmanned Surface Vehicle (USV) : Catfish project - Control and Autonomy." Thesis, Högskolan i Halmstad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-45118.

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This report is about the implementation of autonomy and control on a water quality measuring unmanned surface vehicle. The project was termed Catﬁsh and involved ﬁve teams focusing on different aspects of the initial goal to create an autonomous three-part system; a surface drone, a submerged drone and ﬂying drone. In this iteration of the Catﬁsh project the focus laid on creating the surface drone and submerged drone as the Catﬁsh project will improve over generations of thesis projects. The author of the report was in the Control and Autonomy team and had been tasked with giving the surface

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10

Larson, Matthew David. "Monitoring Multi-Depth Suspended Sediment Loads in Lake Erie's Maumee River using Landsat 8 and Unmanned Aerial Vehicle (UAV) Imagery." Bowling Green State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1496484122311721.

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Peres, Diogo Rafael Baptista. "Generalized software application for operation of a 3D vehicle in air, water and land." Master's thesis, 2017. http://hdl.handle.net/10071/14599.

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The unmanned vehicles (UV) and its applications are growing exponentially. Using the radio control is the most common way to control these types of vehicles for being a simple and cheap method to control an UV. However, it doesn’t have a visual interface that allows the user to see the vehicle’s information such as battery status, speed, distance, geolocation, etc. To deal with this problem, some mobile and desktop applications have been developed. To communicate between the control device and the vehicle, dongles are commonly used to establish the connection using radio, Bluetooth or Wi

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12

LIOU, MING-SIAN, and 劉明賢. "Solar Water Surface and Underwater Unmanned Reconnaissance Vehicle." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/4bvq6z.

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碩士<br>建國科技大學<br>自動化工程系暨機電光系統研究所<br>105<br>The design concept of this study is to design a low-cost and high-efficiency water and underwater detection of unmanned vehicle design. This study uses the design phase method to carry out unmanned vehicle design, discuss the required demand and function analysis to complete the product concept design, And then the initial concept of the design of advanced research detail design, complete the required paper production information. In order to meet the concept of low cost and high efficiency materials selection and procurement. And then in accordance wi

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Shen, Cheng-Chun, and 沈鉦鈞. "Development of small unmanned surface vehicle for water quality measurement." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2c5mfa.

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碩士<br>中原大學<br>機械工程研究所<br>106<br>The quality of water in reservoir is an issue to water consumption nowadays. The traditional way of water quality is tested by sampling at specific location by staffs. Asides from investigating the geographic environment and hydrology before sampling, arranging human resource and transportation are also needed. With such dangerous, time-and-cost-consuming works, therefore CYME and CYEE dedicate to marine drone development. In order to improve the problems above, authors expect to develop a manual marine drone to let staffs have access to sampling at some unreach

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14

HUANG, GUAN-MING, and 黃冠銘. "The Development of Automatic Water Sampling System based on Unmanned Aerial Vehicle." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/z4y2zj.

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碩士<br>國立高雄科技大學<br>電訊工程系<br>107<br>The impact of rivers on human life is extremely great. Nearly 70% of agricultural water is taken from river water and groundwater. If household and industrial wastewater are discharged into rivers without authorization, it will affect the development of ecology and industry around the river. In order to avoid pollution to rivers, sampling and analysis of water quality in Taiwan's rivers is required. The existing water sampling methods are mainly manpower. If the sampling site is like an environment that muddy terrain, unsafe water flow and so on, it is quite d

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Tsai-YiuDa and 蔡侑達. "Analysis potential market for using unmanned surface vehicle for water quality measurement and application in water reservoir in Taiwan." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3nsb29.

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碩士<br>中原大學<br>機械工程研究所<br>106<br>Whether the water quality of the reservoir is safe or not is an issue for people''s daily water-use. At present, the traditional reservoir water quality test is mainly for personnel to arrive at a specific location for fixed-point sampling. In addition to surveying the geography environment and the hydrological sites, staff and vehicles must also be arranged. The sampled data is insufficient compared to the overall water area, so the accuracy of the data is inadequate. The survey is accompanied by a certain degree of danger and costs a lot of time, mon

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16

Wu, Tzu-Chia, and 吳子佳. "Application of Unmanned Aerial Vehicle with Large-Scale Particle Image Velocimetry for Measuring Water Surface Velocities." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/67517994313211888131.

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碩士<br>國立中興大學<br>水土保持學系所<br>103<br>River flow measurement technologies are divided into intrusive and nonintrusive methods. Intrusive method requires infield operations. Its protocols are time consuming, and likely to cause damages of operator and instrument. Nonintrusive methods require fewer operators and instrument damages can be avoided from directly attaching to the flow. Nonintrusive measurements use radar or image velocimetry to measure the velocities at the free surface.The image velocimetry, such as large scale particle image velocimetry (LSPIV), access not only the point velocity but

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Chiang, Shih-Hao, and 江士豪. "A study on water quality mapping of small reservoirs using a multispectral sensor carried on unmanned aerial vehicle (UAV)." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/86b9m2.

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碩士<br>國立金門大學<br>理工學院工程科技碩士在職專班土木工程組<br>106<br>The remote sensing techniques have been widely applied to environmental issues, such as water quality monitoring. The water quality in Kinmen, Taiwan has been worsening for a long time because of the exuberant alga growth. According to the observed Carlson index, the trophic classes of the reservoirs mostly are eutrophic or hypereutrophic. The bad water quality also hampers the water purification. In order to increase the amount of potable water, a project of water receiving from China is processing and will be finished in a few years. The four sma

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Khokthong, Watit. "Drone-based assessments of crowns, canopy cover and land use types in and around an oil palm agroforestry experiment." Thesis, 2019. http://hdl.handle.net/11858/00-1735-0000-002E-E602-F.

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Cushenan, Catherine Claire. "Validating the use of baited remote underwater video (BRUV) and unmanned aerial vehicles (UAVs) in assessing the abundance of pelagic sharks in shallow tropical waters in Cocos (Keeling) Island." Master's thesis, 2019. http://hdl.handle.net/10400.1/13555.

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This study investigates the reliability and accuracy of elasmobranch abundance data collected using baited remote underwater video (BRUV) surveys and unmanned aerial vehicle (UAV) surveys, and shark interaction with equipment in the Cocos (Keeling) Islands, a remote territory of Australia. The primary aim of the study was to provide insight into strengths and drawbacks of both BRUV and UAV techniques in the study of large pelagic elasmobranchs in shallow tropical ecosystems and to clarify elasmobranch interaction with underwater apparatus. Aerial and underwater surveys were conducted simultane

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20

Pereira, Rita Alexandra Rodrigues. "Caracterização morfológica e ambiental de um trecho do Rio Torto - Ribeira de Panóias e área envolvente: determinação do potencial de risco de ocorrência de cheias e potenciais restrições ao uso da água." Master's thesis, 2018. http://hdl.handle.net/1822/55832.

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Dissertação de mestrado em Ciências e Tecnologias do Ambiente (área de especialização em Monitorização e Remediação Ambiental)<br>Este trabalho apresenta a caraterização de um rio urbano, o Torto/Panóias, que atravessa áreas densamente povoadas na cidade de Braga. Esta caracterização conduziu a uma avaliação do potencial de risco de ocorrência de cheias e da qualidade da água, sedimentos e solos, dependente dos níveis de contaminação observados. A caracterização morfológica foi realizada utilizando um veículo aéreo não tripulado (VANT), que permitiu a obtenção do modelo tridimensional do

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21

Martins, João Francisco Diogo Almeida Lopes. "Sistema de análise de stress hídrico para aplicação em vinha suportado por dones." Master's thesis, 2020. http://hdl.handle.net/10071/22032.

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Atualmente, a Inteligência Artificial (IA) e o sub-campo Machine Learning (ML) estão em constante desenvolvimento e procura por parte de diferentes áreas científicas. Neste caso, ocorreu uma fusão entre a IA e a agricultura, especificamente na vertente da viticultura. Esta dissertação apresenta um sistema composto por um drone com uma câmara térmica acoplada, que foi usada para sobrevoar vinhas, para obter fotografias (imagens) térmicas. Estas imagens contêm leituras de temperatura da vinha e do solo em cada pixel, de modo a analisar as regiões que contêm valores baixos de temperatura, que re

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Ye, Chen. "USV charging based on WPT system." Master's thesis, 2020. http://hdl.handle.net/10071/21904.

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With the increasing demand of water and underwater exploration, more and more electric unmanned surface vehicles (USV) are put into use in recent years. However, because of the present battery technology limits, these devices require to be recharged frequently that is a challenging problem taking into account the complex water environment where these equipments are acting. To improve safety and convenience of USV charging a wireless power transfer (WPT) system is proposed in this dissertation. In this case, the boat can be controlled to go to the charging facilities. During charging by

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