Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"ASV"”.
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Modos ventilatorios avanzados : Ventilación de Soporte Adaptativo (ASV)
… sistemas de control de asa cerrada, como el ASV, el cual se ajusta automáticamente a los requerimientos del paciente. Es importante el entendimiento de este novedoso modo ventilatorio por el personal médico, incluyendo sus efectos en la mecánica pulmonar. Este artículo discutirá sobre el modo …
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Respostas fisiológicas e bioquímicas de Lactuca sativa cv Hanson submetida ao arsenato (AsV) e arsenito (AsIII)
As formas inorgânicas de arsênio (As), arsenato (AsV) e arsenito (AsIII) são consideradas as mais tóxicas sendo também, as mais encontradas em plantas. A contaminação de As em alimentos representa um grande risco à saúde pública, já que essa é considerada a segunda principal forma de contaminação …
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Mecanismos de tolerância e alterações metabólicas em plantas de linhaça dourada (Linum Usitatissimum L.) expostas e co-expostas a arsênio e selênio
… foram avaliados em experimentos de exposição ao AsV , SeIV e SeVI e co-exposição ao AsV + SeIV. Para isso, as plantas foram cultivadas em solução de Hoagland 10% v v-1 suplementada com AsV , SeIV , SeVI ou AsV + SeIV em diferentes concentrações. As quantificações de As e Se foram realizadas por …
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Automatic speaker verification and diarization on VoxCeleb data collection
Automatic speaker verification (ASV) is increasingly getting more attention in speech research field in recent years. Because of the importance of cyber-security and personal property security, ASV can be used in many fields in the future in addition to fingerprint and face information. In ASV …
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Reconfigurable Autonomous Surface Vehicles : perception and trajectory optimization algorithms
Autonomous Surface Vehicles (ASV) are a highly active area of robotics with many ongoing projects in search and rescue, environmental surveying, monitoring, and beyond. There have been significant studies on ASVs in riverine, coastal, and sea environments, yet only limited research on urban …
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Underwater vehicle localization using range measurements
… a single maneuvering autonomous surface vehicle (ASV) to aid the navigation of one or more submerged autonomous underwater vehicles (AUVs), using acoustic range measurements combined with position measurements for the ASV when data packets are transmitted. The AUV combines the data from the …
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Assuring network service with bandwidth and integrity based fairness
… verification. Adaptive Selective Verification (ASV) provides legitimate clients service despite large but bounded attack rates without any integrity infrastructure. ASV can be implemented, without the cooperation of the core routers, by slight modification of the client and server applications. …
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Tracking an underwater target
… can be improved. An autonomous surface vessel (ASV), equipped with both acoustic instrumentation and wireless or radio communication technology, can successfully track the AUV and interface with scientists. An ASV named RoBoat, built at MIT in undergraduate classes using a kayak hull, is vessel …
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Design and Implementation of Control and Perception Subsystems for an Autonomous Surface Vehicle for Aquaculture
… lab is designing an autonomous surface vehicle (ASV) to automate the bag flipping process and to reduce the strain on workers. This thesis focuses on the design, implementation, and testing of the electronics and power distribution system, emergency stop safety system, a dynamics and …
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Experiments in Real-time Path Planning for Riverine Environments
… algorithm for an autonomous surface vehicle (ASV) in a riverine environment. The algorithm effectively handles trap situations, which occur when the river bends away from the destination. In addition, the algorithm uses real-time sensor feedback to avoid obstacles. A general global route is …
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Neural Network Fusion of Multi-Modal Sensor Data For Autonomous Surface Vessels
<p>Autonomous surface vessels (ASV) can potentially improve the safety of vessels traditionally operated by humans. Despite advancements in autonomous on-road vehicles, many of these advancements have yet to be realized for ASVs. This is primarily due to lacking ASV sensing platforms and public …
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Chemistry of arsenic in soils of north-east New South Wales / by Euan Smith.
… assessed for their capacity to sorb arsenate (Asv) in relation to soil properties.
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A Systems Approach to Low-Cost, Modular Autonomous Surface Vehicle and Autonomous Underwater Vehicle Integration
… with low-cost Autonomous Surface Vehicles (ASVs) through the application of the systems process. With the decreasing cost and increasing functionality of consumer electronics, systems integrating commercial-off-the-shelf (COTS) components can produce higher value at economical prices. The …
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Maritime Object Detection, Tracking, and Classification Using Lidar and Vision-Based Sensor Fusion
… in the maritime field. However, few successful ASV systems exist today, as there is a need for greater sensing capabilities. Furthermore, a successful ASV system requires object detection and recognition capabilities to enable autonomous navigation and situational awareness. This thesis …
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Cooperative navigation between surface and sub-surface vehicles
… planner, where an AUV act as the leader and an ASV follows them to reduce the distance over time. This work takes the motion constraints into consideration such that it can handle all cases where the vehicle operates at different speeds, making it more generic and easier apply to multiple …
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Location Estimation of Obstacles for an Autonomous Surface Vehicle
… the development of autonomous surface vehicles (ASVs) becomes increasingly important. ASVs have the potential to travel for long periods of time in areas that cannot be reached by aerial, ground, or underwater autonomous vehicles. ASVs are useful for a variety of missions, including bathymetric …
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Omnidirectional Vision for an Autonomous Surface Vehicle
… the navigation of an autonomous surface vehicle (ASV), and implements a vision system capable of locating stationary obstacles and detecting moving objects in real time. The environments where the ASV navigates are complex and fully of noise, system performance hence is a primary concern. In this …
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Anodic Stripping Voltammetry of Tellurium (IV) in 1.0M NH4, SCN at Rotating Disk Gallium - Thin-Film Electrode.
… technique of anodic stripping voltammetry (ASV), using a gallium-thin film electrode in 1.0M NH4SCN at 60°C has been applied to study the electroanalytical chemistry of Te(IV). Both externally plated and in-situ plated thin-film gallium on rotating glassy carbon disk electrodes are …
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Microbial Diversity and Geochemical Energy Sources of Tutum Bay, Ambitle Island, Papua New Guinea, an Arsenic-Rich, Shallow-Sea Hydrothermal System
… and porefluids were able to reduce arsenate: AsV) to arsenite when incubated at 30┬░C in an AsV-rich growth medium. These results demonstrate that As-redox microorganisms exist in shallow-sea hydrothermal environments and broaden our understanding of not only the types of microbial species …
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Finding back home: from vector models to virtual forests
… for navigation. In chapter 2, I introduce the ASV model, a vector-based image encoding algorithm, and outline how it can be used both for navigation and the analysis of image symmetry. I show that the ASV method's usefulness for navigation is closely linked to the local visual makeup of a …
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