Relevant bibliographies by topics / Rea (Boat)

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Rea (Boat)'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Rea (Boat)"

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Yang, Tsun Lirng. "Study on the Addition of Viscous Agents to Fish-Boat-Fuel in Real Ship Trials." Applied Mechanics and Materials 110-116 (October 2011): 43–47. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.43.

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This study adopted a new formula fishing-boat fuel which is based on the existing fishing-boat-fuel A (FBFA) with the addition of viscous agents (RDS0.5, PFO0.5) in two different proportions. FBFA, RDS0.5 and PFO0.5, respectively are tested in three real-scale fishing boats. During the actual ship trial, the engine operating conditions, engine fuel oil consumption, horse power output and navigation speed were assessed and recorded. Furthermore, fuel emissions were sampled and analyzed, fishing-boat diesel engine performance was assessed and differences in exhaust composition were compared. The results showed that the three new viscous agents fules used lack abnormal vibration and noise, and have similar output status in terms of engine operational performance. At the same boat, the fuel oil consumption rates were similar between the new formula and FBFA. Moreover, analysis of contamination displayed that RDS0.5 particulate matter (PM) content was less than that of FBFA. Consequently, RDS0.5 appears to cause less engine wear. Additionally, the exhaust emission analysis results identified RDS0.5 as the best fuel for the engine. Futhermore, regarding pollutant emissions, including CO, CO2, NOx, PM, PAHs, only CO emissions are slightly higher than for FBFA. However, the CO emission value does not exceed exhaust emission standards of the U.S. Environmental Protection Agency (EPA). It is remains within the allowable value range. RDS0.5 should have practical value.
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Hassan, Moez ul, Sanjay Kumar, Hitesh Kumar, Kabir Kumar, Sarmad Hameed, and Kiran Fatima. "Real Time Water Quality Monitoring Boat." Proceedings 2, no. 20 (October 17, 2018): 1279. http://dx.doi.org/10.3390/proceedings2201279.

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In today’s third world countries such as Pakistan, there is an ever increasing strain regarding the provision of clean, consumable water. This problem especially arises in rural areas due to the ineffectiveness of the governments and the increasing population in the country. Therefore, this particular project aims to detect and display real-time physiochemical quality of the water in a much more cost effective manner, as opposed to the current methods which involves sampling and laboratory methods, through its wireless, multi-sensor network. It takes into consideration multiple factors and presents this real-time quality through the display of its electrical conductivity, pH, total dissolved solids TDS, turbidity, as well as temperature of water that is being tested. Additionally, this remote control system is specially designed for lakes, reservoir, rivers etc. where we cannot monitor water quality in such complicated scale water environment by just using a stationary system because water parameter vary at every single location. To avoid this, we manufactured a boat which can float and move on the water simply by user controller. This structure is designed as a hull shape which minimize the resistivity of water flow and this shape also maintained the stability of water. This water quality monitoring boat includes an embedded global positioning system GPS which gives the location of the point wherever water quality is varying and radio frequency module for wireless communication. All the results is generated and displayed with their readings and their graphical analogue meters through the graphical user interface GUI technique, along with water’s impurities limitation points and its hazardous level notification. It is proven through various tests conducted in reservoirs, lakes and personal water storage tanks that this project is successfully capable of demonstrating these physiochemical parameters as well as display these readings effectively.
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Pezo, Felipe, Fernando Romero, Fabiola Zambrano, and Raúl Segundo Sánchez. "Preservation of boar semen: An update." Reproduction in Domestic Animals 54, no. 3 (January 18, 2019): 423–34. http://dx.doi.org/10.1111/rda.13389.

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Eichinger, Lyndsay, and Tony R. Walker. "Review of remedial options for the Boat Harbour remediation project in Nova Scotia, Canada." Remediation Journal 31, no. 1 (October 13, 2020): 91–104. http://dx.doi.org/10.1002/rem.21670.

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Bassili, John N., Marilyn C. Smith, and Colin M. MacLeod. "Auditory and Visual Word-Stem Completion: Separating Data-Driven and Conceptually Driven Processes." Quarterly Journal of Experimental Psychology Section A 41, no. 3 (August 1989): 439–53. http://dx.doi.org/10.1080/14640748908402375.

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Two experiments investigated the contributions of data-driven and conceptually driven processing on an implicit word-stem completion task. In Experiment 1, individual words were studied either visually or auditorily and were tested using either visual or auditory word-stems. Keeping modality the same from study to test led to more priming than did changing modality, but there was reliable cross-modal priming. In Experiment 2, subjects read sentences like The boat travelled underwater and inferred the subject noun (i.e. “submarine”) or sentences like The submarine travelled underwater and categorized the subject noun (i.e. “boat”). At test, there was reliable priming for both actually read nouns and inferred nouns. In addition, a modality effect was evident for the actually read nouns but not for the inferred nouns. Taken together, these results imply that there is a basic conceptually driven contribution to priming plus an additional contribution of data-driven processing when surface form is the same at study and test.
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Nsalo Kong, Darryl Franck, Chong Shen, Chuan Tian, and Kun Zhang. "A New Low-Cost Acoustic Beamforming Architecture for Real-Time Marine Sensing: Evaluation and Design." Journal of Marine Science and Engineering 9, no. 8 (August 12, 2021): 868. http://dx.doi.org/10.3390/jmse9080868.

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This paper mainly studies the performance of an acoustic beamforming technique applied to a low-cost hydrophone in a linear array of two to four elements for the detection and localization of underwater acoustic sound waves. It also evaluates the integration of the array in an energy-efficient real-time monitoring system architecture, allowing marine sensing to be conducted without human intervention. Such architecture would consist of vertical linear arrays of two or four RHSA-10 hydrophones models attached to a buoy or a vessel for sound detection; a frequency domain beamformer (FDB) technique implemented in a Xilinx Spartan-7 field programmable gate array (FPGA) for sound source localization; a LoRa wireless sensor network mote to provide convenient access from a base center. The architecture aims to alleviate sea traffic control for countries that lack the financial resources to properly address illegal fishing or piracy issues, mostly committed in small fast motorized boats. In our experiment, the sound waves emitted by a small motorized boat were successfully detected and tracked by three data acquisitions at a 1 km range. It is demonstrated that a system using a small number of hydrophones is capable of producing robust accuracy over a large band frequency in the presence of noise interference.
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Jung, M., K. Rüdiger, and M. Schulze. "In VitroMeasures for Assessing Boar Semen Fertility." Reproduction in Domestic Animals 50 (July 2015): 20–24. http://dx.doi.org/10.1111/rda.12533.

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Basioura, Athina, Georgios Tsousis, Constantin M. Boscos, and Ioannis A. Tsakmakidis. "Efficiency of three boar sperm enrichment techniques." Reproduction in Domestic Animals 56, no. 8 (July 2, 2021): 1148–51. http://dx.doi.org/10.1111/rda.13976.

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Flowers, WL. "Factors Affecting the Efficient Production of Boar Sperm." Reproduction in Domestic Animals 50 (July 2015): 25–30. http://dx.doi.org/10.1111/rda.12529.

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Sutovsky, P. "New Approaches to Boar Semen Evaluation, Processing and Improvement." Reproduction in Domestic Animals 50 (July 2015): 11–19. http://dx.doi.org/10.1111/rda.12554.

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Dissertations / Theses on the topic "Rea (Boat)"

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Barber, Andrea. "RESTORATION OF INTERTIDAL OYSTER REEFS AFFECTED BY INTENSE RECREATIONAL BOATING ACTIVITY IN MOSQUITO LAGOON, FLORIDA." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4337.

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In recent years, intertidal reefs of Crassostrea virginica (eastern oyster) along central Florida's east coast have suffered extensive losses due to wakes from recreational boats. These wakes have caused extensive shell movement and sediment resuspension which results in large piles of disarticulated shells along the seaward edges of reefs. Dead margins extend up to one meter above mean high water. The creation and enforcement of "no wake" zones in the area are unlikely. Thus, there is an urgent need for an alternative restoration strategy before these oyster reefs decline any further. The goal of this project was to develop a scientifically-based restoration technique that minimized wake damage from recreational vessels on intertidal reefs in Canaveral National Seashore. To accomplish this, I tested a range of restoration measures to identify a design that best increased: 1) oyster recruitment, 2) three-dimensional structure of the intertidal reefs, and 3) biodiversity and abundances of sessile and motile species associated with reefs. As a starting substrate in all treatments, I used restoration mats, which were created by affixing 36 drilled oyster shells to 0.4 x 0.4 m pieces of black mesh (Vexar). Five mats were deployed on the fore-reef, midreef, and backreef areas of each reef. In my experiment, I manipulated two habitat conditions: 1) leveling of existing dead margins to bring the top of the dead margin below mean high water to facilitate settling of larvae, and 2) deploying artificial seagrass seaward of the mats to act as a wake buffer. All combinations of these variables and all appropriate controls were replicated on six oyster reefs each, for a total of thirty reefs. Reefs that were leveled were significantly reduced in height and this difference was maintained throughout the 1 year study. Unleveled reefs actually increased in mean height over the 12 months. Tracking loose shells covering our restoration mats over time likewise documented that shell movement was minimal on control reefs lacking dead margins and significantly greater on reefs with dead margins. Midreef areas on reefs with dead margins were almost completely buried by loose shells. Quarterly monitoring of the number of spat settling on all restoration mats allowed for comparisons between treatments and locations on oyster reefs. After determining that overall water flow on the fore reef areas of all treatments was similar, I tested the null hypothesis that all treatments had similar recruitment of oyster larvae. My first alternative hypothesis was that artificial seagrass would increase oyster recruitment if the grass was a successful wake buffer and minimized sediment resuspension known to be lethal to newly settled oyster or prevented disarticulated oyster shell from moving and reforming mounds. My second alternative hypothesis was that the leveling of the dead margins would increase the total reef surface area available to larval oyster recruitment and thus lead to an increase in the number of recruits and eventually 3-dimensional reef structures (when oysters grow in close proximity and affix themselves together). Statistical analyses showed the artificial seagrass did not decrease the negative impacts caused by recreational boat wakes. Hence, it is not a recommended method for reef restoration. Recruitment of oysters significantly increased over time and significantly differed on various regions of the reefs. Recruitment was always highest on the fore-reef regions and lowest on back-reef regions. Although overall recruitment did not differ among treatments, it was significantly lower on midreef regions of the impacted reefs. This suggests that the leveling of the oyster reefs would increase the surface area available for future oyster recruitment. To look at biodiversity, I tested the hypothesis that all treatments would have similar biodiversity on a month by month basis. Alternatively, biodiversity should always be greatest on leveled reef with artificial seagrass due to increased 3-dimensional structure nearby and longer submersion times. To enumerate biodiversity, two lift nets were placed on each reef, one contained a restoration mat and the other contained only mesh (control). In most months, the four experimental treatments were similar according to the biodiversity measures analyzed. However, biodiversity was always higher in lift nets with restoration mats when compared to lift nets with mesh only. This result again suggests that the mats as designed are important restoration tools. Overall, my results show that placing seagrass in front of oyster reefs may not help to better restoration efforts. However, leveling dead margins on reefs and using the restoration mats is beneficial to oyster reef habitat restoration efforts. As a result of my research, restoration mats, in combination with leveling dead margins, are currently being used in a large-scale, community-based oyster reef restoration project within Canaveral National Seashore boundaries.
M.S.
Department of Biology
Sciences
Biology MS
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Maxim, Cristian. "Étude probabiliste des contraintes de bout en bout dans les systèmes temps réel." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066479/document.

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L'interaction sociale, l'éducation et la santé ne sont que quelques exemples de domaines dans lesquels l'évolution rapide de la technologie a eu un grand impact sur la qualité de vie. Les entreprises s’appuient de plus en plus sur les systèmes embarqués pour augmenter leur productivité, leur efficacité et leurs valeurs. Dans les usines, la précision des robots tend à remplacer la polyvalence humaine. Bien que les appareils connectés comme les drônes, les montres intelligentes ou les maisons intelligentes soient de plus en plus populaires ces dernières années, ce type de technologie a été utilisé depuis longtemps dans les industries concernées par la sécurité des utilisateurs. L’industrie avionique utilise des ordinateurs pour ses produits depuis 1972 avec la production du premier avion A300; elle a atteint des progrès étonnants avec le développement du premier avion Concorde en 1976 en dépassant de nombreuses années les avions de son époque, et ça a été considéré comme un miracle de la technologie. Certaines innovations et connaissances acquises pour le Concorde sont toujours utilisées dans les modèles récents comme A380 ou A350. Un système embarqué est un système à microprocesseur qui est construit pour contrôler une fonction ou une gamme de fonctions et qui n’est pas conçu pour être programmé par l'utilisateur final de la même manière qu'un ordinateur personnel. Un système temps-réel est un système de traitement de l’information qui doit répondre aux stimuli d’entrées générées de manière externe dans une période finie et spécifiée. Le comportement de ces systèmes prend en compte non seulement l'exactitude dépend non seulement du résultat logique mais aussi du temps dans lequel il a été livré. Les systèmes temps-réel peuvent être trouvés dans des industries comme l'aéronautique, l'aérospatiale, l'automobile ou l’industrie ferroviaire mais aussi dans les réseaux de capteurs, les traitements d'image, les applications multimédias, les technologies médicales, les robotiques, les communications, les jeux informatiques ou les systèmes ménagers. Dans cette thèse, nous nous concentrons sur les systèmes temps-réel embarqués et pour la facilité des notations, nous leur nommons simplement des systèmes temps réel. Nous pourrions nous référer aux systèmes cyber-physiques si tel est le cas. Le pire temps d’exécution (WCET) d'une tâche représente le temps maximum possible pour qu’elle soit exécutée. Le WCET est obtenu après une analyse de temps et souvent il ne peut pas être déterminé avec précision en déterminant toutes les exécutions possibles. C'est pourquoi, dans l'industrie, les mesures sont faites uniquement sur un sous-ensemble de scénarios possibles, celui qui générerait les temps d'exécution les plus élevés, et une limite supérieure de temps d’exécution est estimé en ajoutant une marge de sécurité au plus grand temps observé. L’analyses de temps est un concept clé qui a été utilisé dans les systèmes temps-réel pour affecter une limite supérieure aux WCET des tâches ou des fragments de programme. Cette affectation peut être obtenue soit par analyse statique, soit par analyse des mesures. Les méthodes statiques et par mesure, dans leurs approches déterministes, ont tendance à être extrêmement pessimistes. Malheureusement, ce niveau de pessimisme et le sur-provisionnement conséquent ne peut pas être accepté par tous les systèmes temps-réels, et pour ces cas, d'autres approches devraient être prises en considération
In our times, we are surrounded by technologies meant to improve our lives, to assure its security, or programmed to realize different functions and to respect a series of constraints. We consider them as embedded systems or often as parts of cyber-physical systems. An embedded system is a microprocessor-based system that is built to control a function or a range of functions and is not designed to be programmed by the end user in the same way that a PC is. The Worst Case Execution Time (WCET) of a task represents the maximum time it can take to be executed. The WCET is obtained after analysis and most of the time it cannot be accurately determined by exhausting all the possible executions. This is why, in industry, the measurements are done only on a subset of possible scenarios (the one that would generate the highest execution times) and an execution time bound is estimated by adding a safety margin to the greatest observed time. Amongst all branches of real-time systems, an important role is played by the Critical Real-Time Embedded Systems (CRTES) domain. CRTESs are widely being used in fields like automotive, avionics, railway, health-care, etc. The performance of CRTESs is analyzed not only from the point of view of their correctness, but also from the perspective of time. In the avionics industry such systems have to undergo a strict process of analysis in order to fulfill a series of certification criteria demanded by the certifications authorities, being the European Aviation Safety Agency (EASA) in Europe or the Federal Aviation Administration (FAA) in United States. The avionics industry in particular and the real-time domain in general are known for being conservative and adapting to new technologies only when it becomes inevitable. For the avionics industry this is motivated by the high cost that any change in the existing functional systems would bring. Any change in the software or hardware has to undergo another certification process which cost the manufacturer money, time and resources. Despite their conservative tendency, the airplane producers cannot stay inactive to the constant change in technology and ignore the performance benefices brought by COTS processors which nowadays are mainly multi-processors. As a curiosity, most of the microprocessors found in airplanes flying actually in the world, have a smaller computation power than a modern home PC. Their chips-sets are specifically designed for embedded applications characterized by low power consumption, predictability and many I/O peripherals. In the actual context, where critical real-time systems are invaded by multi-core platforms, the WCET analysis using deterministic approaches becomes difficult, if not impossible. The time constraints of real-time systems need to be verified in the context of certification. This verification, done during the entire development cycle, must take into account architectures more and more complex. These architectures increase the cost and complexity of actual, deterministic, tools to identify all possible time constrains and dependencies that can occur inside the system, risking to overlook extreme cases. An alternative to these problems is the probabilistic approach, which is more adapted to deal with these hazards and uncertainty and which allows a precise modeling of the system. 2. Contributions. The contribution of the thesis is three folded containing the conditions necessary for using the theory of extremes on executions time measurements, the methods developed using the theory of extremes for analyzing real-time systems and experimental results. 2.1. Conditions for use of EVT in the real-time domain. In this chapter we establish the environment in which our work is done. The use of EVT in any domain comes with a series of restrictions for the data being analyzed. In our case the data being analyzed consists in execution time measurements
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Kishimoto, Daisuke. "A topological proof of real and symplectic Bott periodicity theorem." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149948.

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Monot, Aurélien. "Vérification des contraintes temporelles de bout-en-bout dans le contexte AutoSar." Phd thesis, Université de Lorraine, 2012. http://tel.archives-ouvertes.fr/tel-00767128.

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Les systèmes électroniques embarqués dans les véhicules ont une complexité sans cesse croissante. Cependant, il est crucial d'en maîtriser le comportement temporel afin de garantir la sécurité ainsi que le confort des passagers. La vérifica- tion des contraintes temporelles de bout-en-bout est donc un enjeu majeur lors de la conception d'un véhicule. Dans le contexte de l'architecture logicielle AUTOSAR standard dans les véhicules, nous décomposons la vérification d'une contrainte de bout-en-bout en sous-problèmes d'ordonnancement sur les calculateurs et sur les réseaux de communication que nous traitons ensuite séparément. Dans un premier temps, nous présentons une approche permettant d'améliorer l'utilisation des calculateurs exécutant un grand nombre de composants logiciels, compatible avec l'introduction progressive des plateformes multi-coeurs. Nous dé- crivons des algorithmes rapides et efficaces pour lisser la charge périodique sur les calculateurs multi-coeurs en adaptant puis en améliorant une approche existant pour les bus CAN. Nous donnons également des résultats théoriques sur l'efficacité des algorithmes dans certains cas particuliers. Enfin, nous décrivons les possibili- tés d'utilisation de ces algorithmes en fonction des autres tâches exécutées sur le calculateur. La suite des travaux est consacrée à l'étude des distributions de temps de réponse des messages transmis sur les bus CAN. Dans un premier temps nous pré- sentons une approche de simulation basée sur la modélisation des dérives d'horloges des calculateurs communicant sur le réseau. Nous montrons que nous obtenons des distributions de temps de réponse similaires en réalisant une longue simulation avec des dérives d'horloge ou en faisant un grand nombre de courtes simulations sans dérives d'horloge. Nous présentons enfin une technique analytique pour évaluer les distributions de temps de réponse des trames CAN. Nous présentons différents para- mètres d'approximation permettant de réduire le nombre très important de calculs à effectuer en limitant la perte de précision. Enfin, nous comparons expérimentale- ment les résultats obtenus par analyse et simulation et décrivons les avantages et inconvénients respectifs de ces approches.
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Grablow, Katherine. "RECOVERY AND RESTORATION OF THE SEAGRASS HALODULE WRIGHTII AFTER BOAT PROPELLER SCAR DAMAGE IN A POLE-TROLL ZONE IN MOSQUITO LAG." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4294.

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This study combined documentation of four boat propeller scar types in Halodule wrightii seagrass beds in Mosquito Lagoon, Florida with manipulative field experiments to document scar recovery times with and without restoration. Scar types ranged from the most severe scar type (Type 1) with trench formation which had no roots or shoots in the trench, to the least severe (Type 4) scars that had no depth, intact roots and shoots shorter than the surrounding canopy. For 110 measured existing scars, the frequency of each scar type was 56% for Type 1, 10% for Type 2, 7% for Type 3, and 27% for Type 4. In the first manipulative experiment, experimental scars were created to document the natural recovery time of H. wrightii for each scar severity within one year. Type 4 scars recovered to the control shoot density at 2 months, while Types 1, 2, and 3 scars did not fully recover in one year. Mean estimated recovery for H. wrightii is expected in 25 months for Type 1, and 19 months for Types 2 and 3. For the second manipulative experiment, three restoration methods were tested on the Type 1 scars over a 1 year period. Restoration methods included: (1) planting H. wrightii in the scar trench, (2) filling the trench with sand, and (3) filling with sand plus planting H. wrightii. There was complete mortality of all transplants at 2 months and only 25% of scars retained fill sand after 1 year. With dense adjacent seagrass beds, natural recovery was more successful than any of my restoration attempts. Thus, I suggest that managers should concentrate on preventing seagrass destruction rather than restoration.
M.S.
Department of Biology
Sciences
Biology MS
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Haran, Francis Joseph. "ALTERATIONS IN POSTURAL CONTROL FOLLOWING AN ACUTE BOUT OF SOCCER HEADING." Diss., Temple University Libraries, 2009. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/47553.

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Kinesiology
Ph.D.
This study sought to determine if an acute bout of soccer heading adversely altered postural control and pronounced self-reported symptoms of cerebral concussion. Sixteen collegiate soccer players were randomly assigned to one of two groups: control (CG) or experimental (EG). Participants either simulated or performed 10 headers in 10 min at a ball velocity 11.2 m/s. A concussion signs and symptoms checklist was completed and postural control was assessed on four separate occasions: prior to heading (hr 0), hr 1, hr 24, and hr 48 post heading. The postural control parameters were the root mean square (RMS) of the center of mass (COM) and approximate entropy (ApEN) of the center of pressure (COP). The results indicated that there were no significant differences between the CG and EG in the sum of self-reported concussion signs and symptoms; however, there were significant alterations in postural control, occurring primarily at 24 hrs following heading. Within the EG only there were significant differences across time for anterior-posterior (AP) COM RMS for conditions 3 (i.e., rotating virtual environment [VE] and stable support surface) and 4 (i.e., rotating VE and unstable support surface). Also, medial-lateral (ML) COM RMS values were significantly higher for the EG when compared to the CG at hr 24. The EG had significantly lower COP ApEn values in both the AP and ML directions when compared to the CG at hr 24. Condition 4 was found to induce significantly greater postural control deficits when compared to the other conditions in the ML COM RMS and AP COP ApEn. These findings indicate that an acute bout of heading, even at the low velocities presented in this experiment, result in quantifiable alterations in postural control that are detectable 24 hours post heading and dissipate within an additional 24 hours. The significant findings are contrary to the acute heading literature and may be due to the postural control assessment that incorporated robust discordant environmental conditions. Further research on the clinical usefulness of the assessment as well as long-term accumulation effects of heading is warranted.
Temple University--Theses
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Rydalch, Matthew Kent. "Precision Maritime Landing of Autonomous Multirotor Aircraft with Real-Time Kinematic GNSS." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9170.

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In this thesis two methods were developed for precise maritime landing of an autonomous multirotor aircraft based on real-time kinematic (RTK) Global Navigation Satellite System (GNSS). The first method called RTK-localized method (RLM) uses RTK GNSS measurements to localize a sea vessel and execute the landing. RLM was demonstrated outdoors in hardware and landed on a physically simulated boat called a mock-boat with an average landing error of 9.7 cm. The mock-boat was actuated to have boat-like motion and a forward velocity of ~2 m/s. This method showed that accurate landing is possible with RTK GNSS as the primary means of localizing a sea vessel. The localization was unaided by non-GNSS sensors or an estimator, but lacked full attitude estimation and measurement smoothing. The second method was called RTK-Estimation Method (REM) and provides a more complete and robust solution, particularly at sea. It includes a base (landing pad) estimator to fuse RTK GNSS measurements with a dynamic model of a sea vessel. In contrast to RLM, the estimator provides full attitude estimation and measurement smoothing. The base estimator consists of an EKF in conjunction with a complimentary filter and estimates the relative position, attitude, and velocity of a moving target using RTK GNSS and inertial measurements alone. REM was demonstrated outdoors in hardware for 18 flight tests. The same mock-boat from RLM was used as a substitute for a sea vessel, and the boat motion varied between tests. These dynamics were recorded and performances were compared. The rate of success was high given moderate mock-boat motion and degraded with more aggressive motion. Tests were conducted with forward velocities from 0 to 3 m/s and moderate to high wave like motion. Over all tests for REM, the multirotor landed with an average accuracy of 12.7 cm. The methods described depart from common methods given that the only sensors involved for tracking the sea vessel were RTK GNSS receivers and inertial measurement units. Most current methods rely on computer vision, and can fail in poor lighting conditions, in the presence of ocean spray, and other scenarios. The given solutions do not fail under such conditions. The multirotor was equipped with a standard off-the-shelf autopilot, PX4, and the methods function with common control and estimation schemes. The two methods are capable of landing on relatively small landing pads, on the order of 1 m by 1 m, at sea using measurements from satellites thousands of kilometers away.
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Jun, Jae Bum. "Valuation of Governmental Guarantee in BOT Project Finance with Real Option Analysis." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2008-12-204.

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Kyriazis, George. "THE EFFECTS OF A SINGLE EXERCISE BOUT ON PLASMA LEPTIN CONCENTRATION IN OBESE MALES." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3682.

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Recent findings suggest that leptin may be regulated in response to abrupt changes in energy homeostasis. Therefore, it is conceivable that transient changes in energy balance induced by exercise may also regulate leptin synthesis and secretion. As such, we hypothesized that acute increases energy expenditure (i.e. exercise), may regulate leptin concentrations in obese individuals. Fifteen healthy obese males underwent either a single exercise session of moderate intensity (58.4 % ± 4.0 of VO2max) for 60 min (n=8), or served as controls (n=7). The exercise session elicited an energy expenditure of 567±80 Kcal. No significant changes in plasma leptin (pre 23.5± 30.2; post 24.3± 34.3; 24h-post 34.9± 66.6; 48h-post 33.8±64.0 ng/ml), or insulin levels (pre 16.1± 9.2 vs. post 8.1± 9.1; 24h-post 14.3± 9.9; 48h-post 13.8± 10.2 ?U/ml) were detected immediately after the intervention. Baseline plasma leptin levels were positively correlated with BMI (r=0.65; p<0.01), body weight (r=0.64; p<0.01), % body fat (r=0.90; p<0.01) and were negatively correlated with VO2max (r=-0.82; p<0.01). The results of the present study suggest that acute exercise of moderate intensity and duration may not affect leptin concentration.
M.A.
Department of Child, Family and Community Sciences
Education
Physical Education
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Lee, Sangjoo. "Entry decision for unsolicited Build-Operate-Transfer (BOT) highway projects: Real options approach." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3273704.

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Books on the topic "Rea (Boat)"

1

The red boat. Swindon: Child's Play, 2012.

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The red-funnelled boat. London: Picador, 1998.

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Petrosky, Tony. Red and yellow boat: Poems. Baton Rouge: Louisiana State University Press, 1994.

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Ray, Mary Lyn. Red rubber boot day. San Diego: Harcourt, 2000.

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Singh, Nanak. Koee hariya boot rahio ree. Amritsar: Nanak Singh Pustakmala, 1985.

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Moore, Jo. Stack-a-boat: Read the books! make the toy! [London]: David & Charles Children's Books, 1999.

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Marsoli, Lisa Ann. Disney Bolt: A read-aloud storybook. New York, N.Y: Random House, 2008.

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Real bout high school: Samurai girl. Los Angeles, CA: Tokyopop, 2002.

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Steffes, James. Swift Boat Down: The Real Story of the Sinking of PCF-19. USA: Xlibris Corporation, 2005.

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Stepanchuk, Carol. Red eggs and dragon boats: Celebrating Chinese festivals. Berkeley, Calif: Pacific View Press, 1994.

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Book chapters on the topic "Rea (Boat)"

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Léandre, Rémi. "Malliavin Calculus and Real Bott Periodicity." In Proceedings of the International Conference on Stochastic Analysis and Applications, 37–51. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2468-9_3.

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Macero, Moises. "A Real Three-Tier Spring Boot Application." In Learn Microservices with Spring Boot, 23–98. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-3165-4_3.

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Pelikan, Martin. "Hierarchical BOA in the Real World." In Hierarchical Bayesian Optimization Algorithm, 131–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/978-3-540-32373-0_7.

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Røstad, Carl Christian, and Bjørnar Henriksen. "ECO-Boat MOL Capturing Data from Real Use of the Product." In Product Lifecycle Management. Towards Knowledge-Rich Enterprises, 99–110. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-35758-9_9.

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Hsu, Ching-Hsiang, Chun-Ying Huang, and Kuan-Ta Chen. "Fast-Flux Bot Detection in Real Time." In Lecture Notes in Computer Science, 464–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15512-3_24.

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Ghosh, Arpita. "IBM Watson Assistant and Node-RED-Based Movie Ticketing Bot Design." In Algorithms for Intelligent Systems, 307–16. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2109-3_30.

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Aladağ, H., and Z. Işık. "Determination of Project Management Competence Risks in Build Operate Transfer (BOT) Transportation Projects." In Proceedings of the 21st International Symposium on Advancement of Construction Management and Real Estate, 629–39. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-6190-5_57.

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Long, Hongyu, Hongyong Liu, Lei Liu, and Qinge Yang. "Demand Forecasting Model and Economic Benefit of Charging Piles Based on BOT Mode." In Proceedings of the 24th International Symposium on Advancement of Construction Management and Real Estate, 1093–111. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8892-1_77.

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Ahn, Chang Wook, R. S. Ramakrishna, and David E. Goldberg. "Real-Coded Bayesian Optimization Algorithm: Bringing the Strength of BOA into the Continuous World." In Genetic and Evolutionary Computation – GECCO 2004, 840–51. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24854-5_86.

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Alberto, João R., José M. Aranha, João P. Serejo, Alice Amado, and Madalena Vieira-Pinto. "The utility of GIS in studying the distribution of Bovine Tuberculosis in wild boar (Sus scrofa) and red deer (Cervus elaphus) in Central Portugal." In Game meat hygiene in focus, 199–205. Wageningen: Wageningen Academic Publishers, 2011. http://dx.doi.org/10.3920/978-90-8686-723-3_15.

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Conference papers on the topic "Rea (Boat)"

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Świerkowski, Leszek, Efthimios Gouthas, Chad L. Christie, and Owen M. Williams. "Boat, wake, and wave real-time simulation." In SPIE Defense, Security, and Sensing, edited by James A. Buford, Jr. and Robert Lee Murrer, Jr. SPIE, 2009. http://dx.doi.org/10.1117/12.818430.

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Blanco, Juan C., and Carlos F. Rodri´guez. "Configuration Optimization of a Boat Simulation Platform for a Mobile User." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38759.

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Motion simulation platforms are mechanical devices designed to replicate the dynamics of a given vehicle. These devices are very attractive for training individuals as drivers, pilots or passengers. In the case of river boats, the simulator consists of a section of the boat (hull) mounted over a 3 DOF parallel robot with a passive mass compensator (3UPS + PU). If users have mobility in the hull, an uncertainty in the position of the upper platform’s center of mass is produced. This variation may generate excessive loads on the robot that can be prevented by an adequate placement of the hull over the robot. Dynamic calculations, based on measurements of the real boat in motion, are computed by numerical simulations in SimMechanics. Three methodologies are presented for optimizing the configuration of a boat simulation platform. First, a manual procedure is developed in which critical cases are intuitively detected and evaluated. Then, two multi-variable optimization algorithms are used to systematically obtain the best position and orientation (pose) of the boat section: Genetic Algorithms and low discrepancy sequences. The pose is the design variable; the average forces are the objective functions and the maximum difference between the average forces is the fitness function. The article describes the design problem, the proposed optimization methodologies and simulation results for the optimal configuration.
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Jie, Yang, Zhou Changzheng, Zhang Qingnian, and Zhou Zhizhong. "A Real-time Boat Surveillance System Using GPRS." In APCCAS 2006 - 2006 IEEE Asia Pacific Conference on Circuits and Systems. IEEE, 2006. http://dx.doi.org/10.1109/apccas.2006.342120.

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Brooker, Graham, Ross Hennessy, and Craig Lobsey. "Real aperture imaging of a small boat at 94GHz." In 2008 International Conference on Radar (Radar 2008). IEEE, 2008. http://dx.doi.org/10.1109/radar.2008.4653889.

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Kindlimann, Andreas. "Thermoplastic Composites: A Real Alternative for Small Boat Construction." In Lightweight Construction - Latest Developments. RINA, 2000. http://dx.doi.org/10.3940/rina.lc.2000.15.

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Wang, Ruohan. "The Enlightenment of "Red Boat Spirit" to Cultivate Contemporary College Students." In Proceedings of the 2018 2nd International Conference on Education Innovation and Social Science (ICEISS 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/iceiss-18.2018.82.

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"ON THE REAL-TIME PHYSICS SIMULATION OF A SPEED-BOAT MOTION." In International Conference on Computer Graphics Theory and Applications. SciTePress - Science and and Technology Publications, 2012. http://dx.doi.org/10.5220/0003823501210128.

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Rosa, Rodrigo De Alvarenga, Henrique Fiorot Astoures, and André Silva Rosa. "DIESEL SUPPLY PLANNING FOR OFFSHORE PLATFORMS BY A MATHEMATICAL MODEL BASED ON THE VEHICLE ROUTING PROBLEM WITH REPLENISHMENT." In CIT2016. Congreso de Ingeniería del Transporte. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/cit2016.2016.2217.

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Oil exploration in Brazil is mainly held by offshore platforms which require the supply of several products, including diesel to maintain its engines. One strategy to supply diesel to the platforms is to keep a vessel filled with diesel nearby the exploration basin. An empty boat leaves the port and goes directly to this vessel, then it is loaded with diesel. After that, it makes a trip to supply the platforms and when the boat is empty, it returns to the vessel to be reloaded with more diesel going to another trip. Based on this description, this paper proposes a mathematical model based on the Vehicle Routing Problem with Intermediate Replenishment Facilities (VRPIRF) to solve the problem. The purpose of the model is to plan the routes for the boats to meet the diesel requests of the platform. Given the fact that in the literature, papers about the VRPIRF are scarce and papers about the VRPIRF applied to offshore platforms were not found in the published papers, this paper is important to contribute with the evolution of this class of problem, bringing also a solution for a real application that is very important for the oil and gas business. The mathematical model was tested using the CPLEX 12.6. In order to assess the mathematical model, tests were done with data from the major Brazilian oil and gas company and several strategies were tested.DOI: http://dx.doi.org/10.4995/CIT2016.2016.2217
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López, Juan David, and Carlos Francisco Rodríguez. "Design of a Boat Simulator Using Two Parallel Manipulators." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38162.

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In this paper a boat simulator is designed using parallel manipulators. The simulator allows the training of five or seven people in a river environment. Due to the high payload and high inertial forces, it was proposed to divide the simulator into various synchronized platforms. Additionally different configurations of mechanisms were evaluated as well as linear or rotational actuation. The dimensional synthesis was performed by introducing a power index based on the Virtual Work equations of motion, and applying Genetic Algorithms for optimization. This design process results in using two coordinated manipulators with rotational actuators. The first one has two degrees of freedom (pitch and roll); it will simulate the motion of the boat’s stern. The second one has three degrees of freedom: pitch, roll and heave; and simulates the motion of the boat’s bow. The detail design was concluded and the manipulators were built. A real time controller is under design nowdays and the integration of the fluid and the boat dynamics into the inverse dynamics analysis of the manipulators is proposed as future work.
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Suratkar, A. S., A. Y. Sajjadi, and K. Mitra. "Non-Destructive Detection of Defects in Composite Boat Hulls." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65187.

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This paper demonstrates use of thermal imaging for nondestructive defect detection in a composite boat hull which covers a large area. There is a strong demand in the boat industry for a non-destructive method that can detect defects such as delamination, voids of air or fluid, cracks, acid, dry mat, and carbon fiber. These defects are always difficult to detect as they occur inside the walls of the boat. Currently, ultrasound and manual inspection methods are used to identify these defects. The manual checking technique is unscientific; furthermore the ultrasound method is not acceptable due to unsatisfactory results. Thermal imaging involves detecting infra-red radiation from a hot body; this is captured by a thermal imaging camera. A thermal heat gun is used to heat the walls of the boat hull. After heating for a specific time period, the walls of the boat start emitting radiation. Dry void attains the highest peak intensity value for short time heating followed by Acid. Other defects like carbon fiber, delamination, and dry mat took longer time to attain higher intensity value. The decay of radiations is also different for various types of defects. The maximum intensity decay occurs for dry void as compared to other defects. From the results obtained so far, it can be inferred that thermal imaging can distinctly differentiate the different kinds of defects, as well as the unaffected areas of the boat wall.
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Reports on the topic "Rea (Boat)"

1

Ribeiro, João A., Paulo J. Pereira, and Elísio M. Brandão. A real options model to determine the optimal contractual penalty for a BOT project. CICEE. Universidade Autónoma de Lisboa, 2021. http://dx.doi.org/10.26619/ual-cicee/wp06.2021.

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Public-Private Partnerships (PPP) became one of the most common types of public procurement arrangements and Build-Own-Transfer (BOT) projects, awarded through adequate bidding competitions, have been increasingly promoted by governments. The theoretical model herein proposed is based on a contractual framework where the government grants leeway to the private entity regarding the timing for project implementation. However, the government is aware that delaying the beginning of operations will lead to the emergence of social costs, i.e., the costs that result from the corresponding loss of social welfare. This fact should motivate the government to include a contractual penalty in case the private firm does not implement the project immediately. The government also recognizes that the private entity is more efficient in constructing the project facility and also in running the subsequent operations. The model’s outcome is the optimal value for the legal penalty the government should include in the contract form. Sensitivity analysis reveals that there is a level for each of the comparative efficiency factors above which there is no need to impose a contractual penalty, for a given level of social costs. Finally, the effects of including a non-optimal penalty value in the contract form, which derives from overestimating or underestimating the selected bidder’s real comparative efficiency are examined, using a numerical example. Results demonstrate that overestimating (underestimating) the selected bidder’s real comparative efficiency leads to the inclusion of a below-optimal (above-optimal) value for the legal penalty in the contract and produces effects the government should prevent by estimating the comparative efficiency factors with full accurac.
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