Teses / dissertações sobre o tema "Electronic monitoring in fisheries"
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Paylor, Adrienne D. "Community-based fisheries management and monitoring development and evaluation". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ32946.pdf.
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Shashidhara, Shilpa. "Resident Rights and Electronic Monitoring". Thesis, University of North Texas, 2010. https://digital.library.unt.edu/ark:/67531/metadc31546/.
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The purpose of this exploratory study was to examine resident, family member and staff perceptions of electronic monitoring and their effect on resident rights. The sample consisted of 53 nursing home residents, 104 staff and 25 family members, in the Dallas Fort Worth metroplex, from a nursing facility in which residents utilize video cameras in their rooms (Nursing Facility 1), two nursing facilities that have video cameras in their common rooms areas (Nursing Facility 2 and 3) and a nursing facility that does not utilize video cameras (Nursing Facility 4). The interview questions and self-administered surveys were in regard to the participant's perceptions of electronic monitoring, perceived risks and benefits of video cameras, awareness of resident rights and consciousness of potential risks to resident rights. Data were analyzed using a mixed methods approach using both ATLAS t.i and SAS. Study findings revealed that residents, family members and staff are aware of the potential benefits of electronic monitoring in nursing facilities. While respondents are hesitant to have electronic monitoring in resident rooms, they are interested in utilizing electronic monitoring in common areas. While residents and staff believe that electronic monitoring compromises resident rights, family members believe resident rights are protected. Different types of staff have different perceptions of electronic monitoring. Those staff members that are more directly involved in resident care are less accepting of electronic monitoring compared to staff that have episodic visits with residents. Among staff members, nursing facilities with prior experience with electronic monitoring are less accepting of electronic monitoring. Further studies are needed to enhance this research.
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Giussani, Riccardo. "PD monitoring of power electronic converters". Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/pd-monitoring-of-power-electronic-converters(eea30376-4752-416c-a046-2773a21064c4).html.
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Wind turbine converters used in multi-megawatt machines will operate at high voltages, particularly in future generations of wind turbines where direct connections to a HVDC backbone are made. Given the pressure to achieve high power densities in a converter to minimise the space utilised, the pressure on the high voltage insulation system to be reduced in size to the minimum possible is great. With it, this brings the increased risk of electrical discharge within the system insulation. The PhD project has therefore examined a number of issues: a) Evaluation of the risks posed to HV power electronic systems from electrical discharge: on the basis of a literature survey, discussions with converter manufacturers and the application of standard HV engineering models, the risks to a power electronic system in the wind turbine application will be assessed. b) Theoretical assessment of potential monitoring techniques: Given the risks that have been described in (a) above, the possible ways in which monitoring could be applied will be investigated. Each risk will be assessed to confirm that discharge mechanism that results in failure/damage will produce some form of measurable signal (whether this is through voltage, current acoustic, RF etc.). c) Experimental assessment of sensors for use in HV power electronic monitoring: Using a HV source within an anechoic chamber (to provide RF and acoustic noise reduction), a range of HV defects that could occur in power electronic systems will be simulated. The ability of suitably characterised sensors to detect the defects will be assessed. The research has then focus on RF detection of PD to develop a measurement method that can be applied to operating s power electronic converters (EPC).Firstly the RF emissions of several types of discharge have been studied in depth alongside the study of the effect of the environmental pressure on the signature of the different discharges. Then, the knowledge gathered was applied to perform and verify the effectiveness of RF measurements to online detect PD within operating EPC. Finally the applicability of the RF technique was verified for the detection of other electrical discharges (non-PD like) as electrical tracking.
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McIntyre, Fiona Doreen. "Development of visual survey methods to support environmental monitoring and fisheries management". Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=226947.
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Visual surveys provide for non-invasive sampling of organisms and habitats in the marine environment. They are particularly important in deep-sea habitats which are vulnerable to damage caused by alternative destructive sampling devices such as bottom trawls. However, traditional visual survey platforms tend to have limited area coverage which is insufficient for mapping the vast expanses of the deep-sea, particularly for relatively sparsely distributed organisms such as fish. This thesis presents the development of a visual survey method capable of surveying large areas of the seabed in deep waters (> 200 m) using a towed video camera system. The area of seabed sampled was similar to that sampled by a bottom trawl, making the system effective for surveying fish. Anglerfish densities were found to be comparable to those determined by trawl surveys in adjacent areas. For other deep-sea fish, the two survey methods (towed camera and bottom trawl) provided different results which were explained by the behavioural reactions of different fish taxa to the respective gears. Fish that exhibited detectable avoidance behaviour to the towed video camera system (e.g. Chimaeridae) resulted in significantly lower density estimates than trawl estimates. On the other hand, skates and rays showed no reaction to the towed video camera system, and density estimates of these were an order of magnitude higher than the trawl. The towed video camera survey was also deployed to gather data on the cold-water coral Lophelia pertusa on the Rockall Bank. These data were used together with Species Distribution Modelling (SDM) to predict the distribution of Lophelia pertusa habitat. The current closed areas on the Rockall Bank cover sizeable areas of potential Lophelia pertusa habitat, however, based on the predictions further areas could be considered to ensure the continued protection of this species.
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Jones, Kate. "Monitoring, Assessment, and Management of the Green Sea Urchin (Strongylocentrotus droebachiensis) Fishery in Maine". Fogler Library, University of Maine, 2006. http://www.library.umaine.edu/theses/pdf/JonesKX2006.pdf.
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Besrour, Marouen. "Wearable electronic sensors for vital sign monitoring". Master's thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/29543.
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On propose dans ce mémoire un nouveau type de capteur pour la mesure des fonctions respiratoires et cardiaques à des fins médicales. Le système offre la possibilité de mesurer le rythme respiratoire et la profondeur de respiration et de transmettre les données vers une station locale pour une analyse plus poussé et un diagnostic. Le capteur proposé est basé sur une approche électromagnétique où on utilise deux antennes posées sur la cage thoracique du patient. Lorsque le patient inspire et expire l’air avec ses poumons, le diamètre de la cage thoracique de ce dernier va augmenter et par conséquent la distance entre les deux antennes aussi. Le système mesure l’écart relatif entre les deux pour extraire le rythme respiratoire. Le point clé du capteur est d’encoder le signal de respiration sous forme de différence de phase entre l’onde émise et l’onde reçue conférant au système une bonne immunité contre les bruits des signaux externes. Le design a été implémenté sur un PCB (46mm x 46mm) pour fournir une preuve de concept de la méthode proposée. Les tests ont été conduits sur trois sujets de deux sexes et d’âges distincts. Les données mesurées démontrent que le système fonctionne sur différentes morphologies physiques. Finalement, le capteur a été capable de recueillir avec grande précision le rythme respiratoire et même la fréquence cardiaque.We propose in this project a wearable electronic Patch Radar sensor that can monitor respiration rate and respiration depth continuously in real-time and transmit data to a base station for analysis. The device relies on a two-antenna configuration. Both antennas are bent to the patient chest, and when the patient breathes, the mechanical movement of the chest wall changes the distance between them. The system measures the relative distance between the antennas to extract the respiration pattern. The key feature of the sensor is that it transduces respiration movements to phase shifts in RF wave signals which make it very robust against external interferences. The design was implemented on a PCB (46mm x 46mm) to demonstrate a proof of concept for the proposed device. The system was able to acquire respiration signals and even cardiac frequency. Experimental results are presented for three different subjects, an adult male and female and a child. The data gathered gives enough sensitivity and accuracy to state that the device can work with different physical morphologies.
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Marzuki, Marza Ihsan. "VMS data analyses and modeling for the monitoring and surveillance of Indonesian fisheries". Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2017. http://www.theses.fr/2017IMTA0012/document.
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Le suivi, le contrôle et la surveillance (MCS) des pêches marines sont des problèmes essentiels pour la gestion durable des ressources halieutiques. Dans cette thèse, nous étudions le suivi spatial des activités des navires de pêche en utilisant les données de trajectoire du système de surveillance des navires (VMS) dans le cadre du projet INDESO (2013-2017). Notre objectif général est de développer une chaîne de traitement des données VMS afin de: i) effectuer un suivi de l'effort de pêche des flottilles de palangriers indonésiens, ii) détecter les activités de pêche illégales et évaluer leur importance. L'approche proposée repose sur des modèles de mélange gaussien (GMM) et les modèles de Markov cachés (HMM), en vue d'identifier les comportements élémentaires des navires de pêche, tels que les voyages, la recherche et les activités de pêche, dans un cadre non supervisé. Nous considérons différentes paramétrisations de ces modèles avec une étude particulière des palangriers indonésiens, pour lesquels nous pouvons bénéficier de données d'observateurs embarqués afin de procéder à une évaluation quantitative des modèles proposés et testés.Nous exploitons ensuite ces modèles statistiques pour deux objectifs différents: a) la discrimination des différents flottilles de pêche à partir des trajectoires des navires de pêche et l'application à la détection et à l'évaluation des activités de pêche illégale, b) l'évaluation d'un effort de pêche spatialisé à partir des données VMS. Nous obtenons de très bons taux de reconnaissance (environ 97%) pour la première tâche et nos expériences soutiennent le potentiel d'une exploration opérationnelle de l'approche proposée. En raison du nombre limité de données d'observateurs embarqués, seules des analyses préliminaires on pu être effectuées pour l'estimation de l'effort de pêche à partir des données VMS. Au-delà des développements méthodologiques potentiels, cette thèse met l'accent sur l'importance de la qualité de données d'observation en mer représentatives pour développer davantage l'exploitation des données VMS tant pour la recherche que pour les questions opérationnellesMonitoring, control and surveillance (MCS) of marine fisheries are critical issues for the sustainable management of marine fisheries. In this thesis we investigate the space-based monitoring of fishing vessel activities using Vessel Monitoring System (VMS) trajectory data in the context of INDESO project (2013-2017). Our general objective is to develop a processing chain of VMS data in order to: i) perform a follow-up of the fishing effort of the Indonesian longline fleets, ii) detect illegal fishing activities and assess their importance. The proposed approach relies on classical latent class models, namely Gaussian Mixture Models (GMM) and Hidden Markov Models (HMM), with a view to identifying elementary fishing vessel behaviors, such as travelling, searching and fishing activities, in a unsupervised framework. Following state-of-the-art approaches, we consider different parameterizations of these models with a specific focus on Indonesian longliners, for which we can benefit from at-sea observers¿ data to proceed to a quantitative evaluation. We then exploit these statistical models for two different objectives: a) the discrimination of different fishing fleets from fishing vessel trajectories and the application to the detection and assessment of illegal fishing activities, b) the assessment of a spatialized fishing effort from VMS data. We report good recognition rate (about 97%) for the former task and our experiments support the potential for an operational exploration of the proposed approach. Due to limited at-sea observers¿ data, only preliminary analyses could be carried out for the proposed VMS-derived fishing effort. Beyond potential methodological developments, this thesis emphasizes the importance of high-quality and representative at-sea observer data for further developing the exploitation of VMS data both for research and operational issues
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Schneider, Kerstin. "Electronic monitoring : alternativer Strafvollzug oder Alternative zum Strafvollzug? /". Baden-Baden : Nomos, 2003. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=010416529&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.
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Flanagan, Ian MacPherson. "An electronic system for wear-debris condition monitoring". Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/14864.
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Bidaki, Laila June. "The effects of electronic performance monitoring on performance". CSUSB ScholarWorks, 2004. https://scholarworks.lib.csusb.edu/etd-project/2588.
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AIASSA, SIMONE. "Smart Electronic Pen for Continuous Monitoring of Anaesthetics". Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2942124.
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Duffell-Canham, Alana. "Fishing patterns around the Cape Peninsula National Park : implications for a fisheries monitoring program". Master's thesis, University of Cape Town, 2002. http://hdl.handle.net/11427/7412.
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Bibliography: leaves 24-25.The aims of this study are to analyse the extent and distribution of boat and shore based fishing along the Cape Peninsula for the purpose of designing a comprehensive fisheries monitoring program. The focus of this study is the non-quota regulated fisheries, which have thus far eluded monitoring attempts. A fishery monitoring program should be able to detect biologically significant shifts in resource abundance in the Marine Protected Areas and to provide data that are relevant to stock assessment models. Personnel and cost implications of the monitoring program will be estimated.
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Afrifa-Yamoah, Ebenezer. "Imputation, modelling and optimal sampling design for digital camera data in recreational fisheries monitoring". Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2021. https://ro.ecu.edu.au/theses/2387.
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Digital camera monitoring has evolved as an active application-oriented scheme to help address questions in areas such as fisheries, ecology, computer vision, artificial intelligence, and criminology. In recreational fisheries research, digital camera monitoring has become a viable option for probability-based survey methods, and is also used for corroborative and validation purposes. In comparison to onsite surveys (e.g. boat ramp surveys), digital cameras provide a cost-effective method of monitoring boating activity and fishing effort, including night-time fishing activities. However, there are challenges in the use of digital camera monitoring that need to be resolved. Notably, missing data problems and the cost of data interpretation are among the most pertinent. This study provides relevant statistical support to address these challenges of digital camera monitoring of boating effort, to improve its utility to enhance recreational fisheries management in Western Australia and elsewhere, with capacity to extend to other areas of application.
Digital cameras can provide continuous recordings of boating and other recreational fishing activities; however, interruptions of camera operations can lead to significant gaps within the data. To fill these gaps, some climatic and other temporal classification variables were considered as predictors of boating effort (defined as number of powerboat launches and retrievals). A generalized linear mixed effect model built on fully-conditional specification multiple imputation framework was considered to fill in the gaps in the camera dataset. Specifically, the zero-inflated Poisson model was found to satisfactorily impute plausible values for missing observations for varied durations of outages in the digital camera monitoring data of recreational boating effort.
Additional modelling options were explored to guide both short- and long-term forecasting of boating activity and to support management decisions in monitoring recreational fisheries. Autoregressive conditional Poisson (ACP) and integer-valued autoregressive (INAR) models were identified as useful time series models for predicting short-term behaviour of such data. In Western Australia, digital camera monitoring data that coincide with 12-month state-wide boat-based surveys (now conducted on a triennial basis) have been read but the periods between the surveys have not been read. A Bayesian regression framework was applied to describe the temporal distribution of recreational boating effort using climatic and temporally classified variables to help construct data for such missing periods. This can potentially provide a useful cost-saving alternative of obtaining continuous time series data on boating effort.
Finally, data from digital camera monitoring are often manually interpreted and the associated cost can be substantial, especially if multiple sites are involved. Empirical support for low-level monitoring schemes for digital camera has been provided. It was found that manual interpretation of camera footage for 40% of the days within a year can be deemed as an adequate level of sampling effort to obtain unbiased, precise and accurate estimates to meet broad management objectives. A well-balanced low-level monitoring scheme will ultimately reduce the cost of manual interpretation and produce unbiased estimates of recreational fishing indexes from digital camera surveys.
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Stoffle, Richard W., e David Halmo. "Satellite Monitoring of Coastal Marine Ecosystems: A Case from the Dominican Republic". University of Arizona, 1991. http://hdl.handle.net/10150/272833.
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Consortium for International Earth Science Information Network (CIESIN) initiated a series of nine human dimensions of global change pilot projects in 1991, to better understand how physical, biological, and social scientists must interact in order to address problems of importance to decision -makers. There is also a need to develop methodologies for merging data sets which differ on spatial and temporal scales, and indeed, to ascertain whether or not data are generally available to address specific, highly complex earth and social science. Because there has been virtually no research on the use of remotely sensed data in the social sciences of global change, this is a component of each pilot project. Pilot projects need to show how the results would be transferred to decision makers. All these elements of the pilots are to be used to inform the design of the CIESIN Data and Research Center. One of the CIESIN human dimensions of global change pilot projects is situated on the north coast of the Dominican Republic in Buen Hombre.
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Cowtan, Carla Jayne. "Electronic monitoring in the workplace, tools for social control". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ56313.pdf.
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Masiulionis, Ričardas. "Research of Electronic Devices for Monitoring of Small Strains". Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130211_132334-01555.
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This thesis analyzes and solves the problems of monitoring of constructions strains (small resistance changes) in a number of points of the structure. The essence of investigated systems is test of the strain gauges small resistance changes proportional to displacement or strain and reaching only thousandths of parts of percent. The main objects of research is strain detection circuits working under automatic multipoint balanced Wheatstone bridge and the current balancing methods.
The introduction reveals the importance of investigated problem, formulates the aim and tasks, introduces publications and presentations of the author’s and the structure of the dissertation. The first chapter is a review of literature. It analyzes practical use of strain measurement methods, their advantages and disadvantages, opportunities to use these methods in automated systems. The chapter ends with formulated conclusions. The second section presents balanced methods of the strain monitoring. Analysis of balanced Wheatstone bridge device is made. New strain monitoring device by balancing currents are proposed and investigated. There are two possible ways: with two current sources and one current source. The third and fourth sections provide results of computer simulation and experimental models. The proposed devices of balancing currents has been modeled and tested in practice. Stability of the devices was tested and their work simulating in real conditions. Conclusions, references and the... [to full text]Disertacijoje nagrinėjamos ir sprendžiamos konstrukcijų deformacijų (varžų mažų pokyčių) nustatymo daugelyje konstrukcijos taškų problemos. Tiriamų sistemų funkcionavimo esmė yra įtempių jutiklių varžos mažų pokyčių proporcingų poslinkiui ar deformacijai ir siekiančių tik tūkstantąsias procento dalis nustatymas. Pagrindiniai tyrimo objektai yra automatinių daugiataškių balansuojamo Vitstono tiltelio ir srovių balansavimo metodais veikiantys deformacijų nustatymo grandynai. Įvadiniame skyriuje nagrinėjamas problemos aktualumas, formuluojamas darbo tikslas ir uždaviniai, pristatomi autoriaus pranešimai ir publikacijos, pateikiama disertacijos struktūra. Pirmajame skyriuje pateikta literatūros apžvalga. Jame analizuojami praktikoje naudojami deformacijų nustatymo metodai, pateikiami jų privalumai ir trūkumai, galimybės naudoti šiuos metodus automatizuotose sistemose. Antrajame skyriuje pateikti konstrukcijų deformacijų balansuojami nustatymo būdai. Yra atlikta balansuojamo Vitstono tiltelio metodo analizė. Pateiktas naujas deformacijų stebėjimo balansuojant sroves metodas ir atlikta jo analizė. Jame išskiriami du galimi būdai: su dviem srovės šaltiniais ir su vienu srovės šaltiniu. Trečiajame ir ketvirtajame skyriuose pateikti kompiuterinio modeliavimo ir eksperimentinių tyrimų rezultatai. Buvo sumodeliuotas ir praktiškai patikrintas pasiūlyto srovės balansavimo metodo praktinis veikimas. Patikrintas įrenginių stabilumas ir jų darbas imituojant realias sąlygas. Disertacijos... [toliau žr. visą tekstą]
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Ahmad, Syed Wakil. "Intermittent fault diagnosis and health monitoring for electronic interconnects". Thesis, Cranfield University, 2017. http://dspace.lib.cranfield.ac.uk/handle/1826/11805.
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Literature survey and correspondence with industrial sector shows that No-Fault-Found (NFF) is a major concern in through life engineering services, especially for defence, aerospace, and other transport industry. There are various occurrences and root causes that result in NFF events but intermittent interconnections are the most frustrating. This is because it disappears while testing, and missed out by diagnostic equipment. This thesis describes the challenging and most important area of intermittent fault detection and health monitoring that focuses towards NFF situation in electronics interconnections. After introduction, this thesis starts with literature survey and describes financial impact on aerospace and other transport industry. It highlights NFF technologies and discuss different facts and their impact on NFF. Then It goes into experimental study that how repeatedly intermittent fault could be replicated. It describes a novel fault replicator that can generate repeatedly IFs for further experimental study on diagnosis techniques/algorithms. The novel IF replicator provide for single and multipoint intermittent connection. The experimental work focuses on mechanically induced intermittent conditions in connectors. This work illustrates a test regime that can be used to repeatedly reproduce intermittency in electronic connectors whilst subjected to vibration.
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Stalker, R. "Engineer-computer interaction for structural monitoring". Thesis, Lancaster University, 2000. http://eprints.lancs.ac.uk/11792/.
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Vara, Mary Janine. "Developing an In-season Predictor of Commercial Landings for Quota Monitoring in the U.S. Virgin Islands". Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5142.
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The lack of timely reporting of commercial fisheries landings interferes with effective management of fisheries in United States Virgin Islands (USVI). Federal law requires that landings be limited to prevent annual catch limits (ACLs) from being exceeded. Previous attempts to predict total landings have used historic data from prior fishing seasons to predict future landings rather than leveraging available in-season data to provide a more real-time prediction of landings. This study presents an in-season model that predicts total landings using partial reports from the current fishing year. This estimate of total landings, including error bounds around that estimate, can then be compared to the ACL established for the species to estimate potential deviations from the allowable landings and adjust effort accordingly. The performance of the model was tested in a retrospective analysis on historical commercial landings data. Differences between predicted and observed fishing year landings by defined cut-off dates were used to identify reasonable deadlines for fishery managers to begin making reliable predictions on total annual landings. On average, predictions can be made with less than 9% error with at least four months of partial data, and with less than 5% error with at least seven months of partial data. This model's in-season predictions should be useful to managers to prevent ACL overages, and to guide fishers in their application of effort within and among components of the fishery, for example, to shift effort from one fishery management unit to another in response to excessive landings.
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Nikani, Sydwell Mnoneleli. "Adoption of technology by public service employees : case of parolee electronic monitoring system in South Africa". Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2872.
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Thesis (MTech (Information Technology))--Cape Peninsula University of Technology, 2018.The DCS invested in the ICT solution to drive their Enterprise Architectural strategic and objective goals. Government departments uses ICT on their day to day business activities and to pursue for competitive progression compare to other parts of the world. The challenges are entirely depending on the user adoption of new technology. Other challenges that might delay the progress in government department would be the financial constraints and the socio inequality among our community in the developing countries. Government has a growth in e-government ICT’s infrastructure used in everyday activities and online functionality. These emerge from private entities that the government does business with, to force them to move away from manual function to electronic function and processes. Electronic monitoring system has been there in some parts of the world. Hence the South African government has opt to make use of this tool as it has been have a success results in some parts of the world. Even though there are some challenge the department has decided to implement EM system for monitoring of parolees. This study explores the factors that influence the adoption of electronic monitoring systems of parolees in the Department of Correctional Services (DCS) in South Africa, which will assist the DCS to monitor parolees effectively under budgetary constraints. Also to overcome the challenges of overcrowding, saving more cost of building more new facilities.
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Karim, Michael N. "Electronic Monitoring and Self-Regulation| Effects of Monitoring Purpose on Goal State, Feedback Perceptions, and Learning". Thesis, The George Washington University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3687652.
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In order to remain effective in an increasingly digital workplace, many organizations have shifted towards the automatic and electronic collection of employee performance data. For example, employees completing computer-based training may be monitored to collect objective performance information for either developmental or administrative purposes. Though this allows for more objective employee feedback and evaluation, little remains known about the effect of pervasive electronic monitoring on key self-regulatory processes which underlie learning. This study was designed with this gap in mind and explores the relationship between electronic monitoring type (developmental or administrative), goals, and feedback perceptions, feedback usage, and learning. In order to understand this relationship, the current study extends classical theories of performance management and self-regulation to supplement emerging research on electronic monitoring. Results of this experiment suggest that monitoring purpose does not have a strong impact on state goals. Monitoring purpose, however, may affect feedback perceptions. Using the results of this study, evidence-based recommendations can be made for the theoretical understanding and practical of monitored training.
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Bremer, Paul Graham. "Adaptive noise cancelling applied to machine condition monitoring". Master's thesis, University of Cape Town, 1990. http://hdl.handle.net/11427/8349.
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Includes bibliography.The objective of this thesis is to determine whether Adaptive Noise Cancelling can be used successfully in determining the state of machine elements. In addition, this thesis was used to gain experience in real-time computing. This was done by designing and building a real-time machine monitoring package using an IBM PC and a TMS 320C25 digital signal-processing chip manufactured by Texas Instruments. To determine which adaptive algorithm should be used in the package, experiments were carried out on a computer with different types of adaptive noise cancelling algorithms, the two main ones being the Least-Mean-Squares (LMS) and Recursive-Least-Squares (RLS) algorithms.
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Gómez, Sebastià Ignasi. "NoMoDEI : A framework for Norm Monitoring on Dynamic Electronic Institutions". Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/384551.
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With the growth of the Internet, computational systems have become more and more complex, often including complicate interconnected networks of autonomous components. The need to bring some organisational structure into autonomous systems becomes urgent, as this allows regulating the behaviour of the different autonomous components to ensure their objectives are aligned with the holistic objectives of the system.
Normative Systems are one of the mechanisms that can be applied to define and enforce acceptable behaviour within distributed electronic systems which should comply with some (human) regulations. One of the requirements to effectively implement Normative Systems is to be able to assess, at runtime, the state of the normative environment. Existing lines of research have already tried to tackle this issue on some simple scenarios. However, more complex scenarios may appear, for instance, scenarios where the normative context is not static, but it expands and contracts as new norms are added to the institution and removed from it respectively.
As in human legal systems, it is easy to foresee that some of these electronic normative environments will not be static. They should be able to evolve through time as regulations change, effectively adapting to new situations and behaviours. Under these conditions, a monitoring system must be able to continue computing the state of the normative environment at runtime, as often we can not afford to perform the changes on the normative context off-line. Furthermore, it must be guaranteed the monitoring system can keep producing states of the normative environment that are consistent with the changes performed on the normative context. For instance, if a norm has been removed from the normative context, it does not make sense anymore to compute normative states where the norm has been violated.
In this thesis we present NoMoDEI, a normative monitoring framework for dynamic Electronic Institutions. We formalize and develop an extended normative framework and architecture to cope with scenarios where the normative context is dynamic, therefore norms can be added, removed and updated. The operations are to be performed at run-time, without having to stop computing the normative state. The normative states computed are consistent with the expansion and contraction operations.
NoMoDEI is introduced in three steps. First, we formally define the operations to be supported in order to allow for expanding and contracting the normative context. Then, we instantiate the formal operations, providing implementation details. Finally, we demonstrate our framework by applying it to two use cases: E-health systems and waste-water management on a river basin.Amb l'expansió d'Internet els sistemes computacionals han esdevingut més complexos, sovint incorporant complicades xarxes interconnectades de components autònoms. Es per això que la necessitat d'incorporar estructures organitzacionals en el sistemes autònoms s 'accentua, donat que aquestes estructures permeten regular el comportament dels diferents components autònoms, tot assegurant que els seus objectius es troben alineats amb els objectius generals del sistema. Els Sistemes Normatius (i.e. Normative Systems) són un dels mecanismes que podem aplicar per definir i imposar patrons acceptables de comportament dintre de sistemes electrònics distribuïts. Això esdevé especialment important quan el sistema es troba regimentat per regulacions (normalment humanes). Un dels requeriments per implementar Sistemes Normatius és ser capaços de determinar, en temps d'execució, l'estat de l'entorn normatiu. Existeixen línies de recerca que ja han tractat aquest problema en alguns escenaris simples. El món real però ens ofereix escenaris més complexes, com per exemple, escenaris on el context normatiu no és estàtic, si no que s'expandeix i contrau a mesura que noves normes són afegides o eliminades de la institució. Tal com passa als sistemes legals humans, és fàcil preveure que alguns contextos normatius electrònics no seran estàtics. Aquests contextos haurien de ser capaços d'evolucionar a través del temps a mesura que les regulacions canvien, adaptant-se a noves situacions i comportaments. Sota aquestes condicions, un sistema de monitorització ha de ser capaç de continuar calculant l'estat de l'entorn normatiu en temps d'execució, ja que sovint no ens podem permetre realitzar els canvis a l'entorn normatiu aturant el procés de monitorització. És més s'ha de garantir que el sistema de monitorització sigui capaç de continuar produint es tats de l’entorn normatiu de forma consistent amb els canvis realitzats. Per exemple, el fet d'eliminar una norma fa que no tingui gaire sentit continuar calculant es tats normatius on aquesta norma ha es tat violada. A aquesta Tesi presentem NoMoDEI, una infraestructura de monitorització normativa per institucions electròniques dinàmiques. Formalitzem i desenvolupem una infraestructura de monitorització normativa estesa capaç d'operar en escenaris on el context normatiu es dinàmic. Es a dir, diverses normes poden ser introduïdes, eliminades o actualitzades del context normatiu en qualsevol moment. Aquestes operacions s'han de poder realitzar en temps d'execució, es a dir, sense deixar de calcular l'estat normatiu. Es més, els estats normatius calculats han de ser consistents amb les respectives operacions d'extensió o contracció del context. Durant la Tesi presentem NoMoDEI en tres passos. Primer proporcionem una definició formal de les operacions que la infraestructura ha de suportar per permetre expandir i contraure el context normatiu. A continuació instanciem aquestes operacions proporcionant detalls d'implementació. Finalment demostrem que la nostra infraestructura pot ser aplicada a casos d'ús del món real introduint dos casos: sistemes de salut electrònics (i.e. E-health) i sistemes de tractament d’aigües residuals a la conca d’un riu
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Jabir, Saad A. A. "Thick film electronic ceramic sensors for civil structures health monitoring". Thesis, Edinburgh Napier University, 2011. http://researchrepository.napier.ac.uk/Output/4475.
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Buildings, roads, bridges and structures in general suffer many kinds of damages due to overstress caused by settlements of foundations, high winds, dynamic forces, passing traffic, vibration and unexpected external loads beyond the safe design forces. The damages manifest itself by cracks, falling of plaster and render uneven roads and some time complete collapse. The cost of maintaining and fixing damages caused by the above is quite high for the building and construction industry. The same phenomenon is common to many other structures like airplanes, wind turbine and machinery in general. Structural Health Monitoring (SHM) is the engineering branch, which aims to give, at every moment during the life of a structure, a diagnosis of the "state" of the constituent materials, of the different parts of a structure. The state of the structure must remain in the domain specified in the design, although this can be altered due to usage or due to normal aging by the action of the environment, and by accidental events. By using special electronic sensors to monitor the unexpected high concentration of stresses or changes of these stresses throughout the life of the structure and pavement, reduces the cost of maintenance and repair. Historic buildings would also benefit from using such sensors to monitor the overstress in the old and frugally stones and bricks. The sensors can be embedded in the lime mortar joints and an electronic meter is used periodically to check for any unusual overstress during the life of the building. The main aim of the proposed research project is to investigate the possibility of using thick-film technology stress sensors in masonry, concrete and building materials in general to monitor overstress and instability throughout the life of the structures. The sensors could be used in brick, block, stone, and concrete and they could be mounted on the surface or embedded in the materials. There are many research studies on strain gauge devices in structural monitoring; Thick Film (TF) piezo-resistive sensors are proposed as a direct alternative to the widely used metal Foil Strain Gauges (FSG). Due to the low cost of TF sensors, their ease of use, suitability to integrate electronics on board, and to have different geometrical shapes, they could be deployed at different locations in a building, road or be distributed in arrays. This offers the continuous monitoring of stresses at any time by using a data logger on two points on the surface or by using wireless electronic transmission. In this research, new thick film screen-printed ceramic piezo-resistive sensor has been developed and characterized as discrete device for deployment on surface of a structure and embedded into the structure during building material curing or after structure erection. The sensor response on different building materials has been experimented and compared. Mechanical and electronic simulation tools were used to characterise the sensor and to choose an adequate interface electronic circuit. The experimental results of the simulated sensor and circuitry, showed the suitability of the sensor to be embedded in building materials during curing period and on erected structures. Materials used were wood, concrete, brick and plaster. In addition, the overall linearity of response of the sensors applied on building material surface was asserted which makes the technology a candidate for a more wide deployment in SHM field.
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Zilli, Davide. "Smartphone-powered citizen science for bioacoustic monitoring". Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/382943/.
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Citizen science is the involvement of amateur scientists in research for the purpose of data collection and analysis. This practice, well known to different research domains, has recently received renewed attention through the introduction of new and easy means of communication, namely the internet and the advent of powerful “smart” mobile phones, which facilitate the interaction between scientists and citizens. This is appealing to the field of biodiversity monitoring, where traditional manual surveying methods are slow and time consuming and rely on the expertise of the surveyor. This thesis investigates a participatory bioacoustic approach that engages citizens and their smartphones to map the presence of animal species. In particular, the focus is placed on the detection of the New Forest cicada, a critically endangered insect that emits a high pitched call, difficult to hear for humans but easily detected by their mobile phones. To this end, a novel real time acoustic cicada detector algorithm is proposed, which efficiently extracts three frequency bands through a Goertzel filter, and uses them as features for a hidden Markov model-based classifier. This algorithm has permitted the development of a cross-platform mobile app that enables citizen scientists to submit reports of the presence of the cicada. The effectiveness of this approach was confirmed for both the detection algorithm, which achieves an F1 score of 0.82 for the recognition of three acoustically similar insects in the New Forest; and for the mobile system, which was used to submit over 11,000 reports in the first two seasons of deployment, making it one of the largest citizen science projects of its kind. However the algorithm, though very efficient and easily tuned to different microphones, does not scale effectively to many-species classification. Therefore, an alternative method is also proposed for broader insect recognition, which exploits the strong frequency features and the repeating phrases that often occur in insects songs. To express these, it extracts a set of modulation coefficients from the power spectrum of the call, and represents them compactly by sampling them in the log-frequency space, avoiding any bias towards the scale of the phrase. The algorithm reaches an F1 score of 0.72 for 28 species of UK Orthoptera over a small training set, and an F1 score of 0.92 for the three insects recorded in the New Forest, though with higher computational cost compared to the algorithm tailored to cicada detection. The mobile app, downloaded by over 3,000 users, together with the two algorithms, demonstrate the feasibility of real-time insect recognition on mobile devices and the potential of engaging a large crowd for the monitoring of the natural environment.
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Hall, Angus John. "Electronic measurements of area and perimeter in ultrasonic images". Thesis, University of Leeds, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328883.
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Zyll, de Jong Michael C. van. "Monitoring and modelling the dymanics of brook trout (Salvelinus fontinalis Mitchill) recreational fisheries : strategies for regional management". Thesis, University of Hull, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418754.
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Wang, Yibin. "Cost benefit analysis of condition monitoring systems for optimal maintenance decision making". Thesis, Wichita State University, 2013. http://hdl.handle.net/10057/6847.
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Tremendous advances in high performance sensing and signal processing technology enable the development of condition monitoring systems (CMS) for complex engineered systems to detect, diagnose, and predict the system-wide effects of failure events. Although employing CMS in preventing catastrophic system failures and reducing the operation and maintenance (O&M) costs have been acknowledged, the cost and benefit of CMS have not been well studied and further the advantages of CMS have not been fully recognized for the optimal maintenance decision making, mainly due to the lack of valid theoretical modeling addressing the interrelationship between the CMS effectiveness and system downtime due to system failures. In this study, a Poisson Process model will be developed for the modeling of occurrence of the system-wide failure events and study the potential benefits provided by the CMS in preventing these failure events. With the developed Poisson process model, the cost benefit analysis (CBA) will then be implemented by considering the CMS system reliability and costs varying with its failure detection effectiveness presented by the probabilistic detectability measure. Facilitated by CBA of the CMS, break-even points (BEP) between expected lifecycle benefits and the required CMS detectability level can be found to select optimal CMS for different system failure modes. Moreover, with the help of the CBA results, optimal maintenance strategies can be determined to minimize the O&M costs. The presented CBA methodology for the CMS systems will be demonstrated with an aircraft maintenance case study and the efficacy will be validated.Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Industrial and Manufacturing Engineering
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Kim, Kamyoung. "Spatial analytical approaches for supporting security monitoring". Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1186593136.
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Nemutlu, Burcu. "Pocketbaby PDA software for monitoring pregnancy evolution /". abstract and full text PDF (free order & download UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1446426.
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Wang, Minlue. "Monitoring plan execution in partially observable stochastic worlds". Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4898/.
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This thesis presents two novel algorithms for monitoring plan execution in stochastic partially observable environments. The problems can be formulated as partially-observable Markov decision processes (POMDPs). Exact solutions of POMDP problems are difficult to find due to the computational complexity, so many approximate solutions are proposed instead. These POMDP solvers tend to generate an approximate policy at planning time and execute the policy without any change at run time. Our approaches will monitor the execution of the initial approximate policy and perform plan modification procedure to improve the policy’s quality at run time. This thesis considers two approximate POMDP solvers. One is a translation-based POMDP solver which converts a subclass of POMDP, called quasi-deterministic POMDP (QDET-POMDP) problems into classical planning problems or Markov decision processes (MDPs). The resulting approximate solution is either a contingency plan or an MDP policy that requires full observability of the world at run time. The other is a point-based POMDP solver which generates an approximate policy by utilizing sampling techniques. Study of the algorithms in simulation has shown that our execution monitoring approaches can improve the approximate POMDP solvers overall performance in terms of plan quality, plan generation time and plan execution time.
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Woznowski, Przemyslaw. "Rule-based semantic sensing platform for activity monitoring". Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/58917/.
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Sensors are playing an increasingly important role in our lives, and for these devices to perform to their maximum potential, they need to work together. A single device can provide a single service or a fixed set of services but, when combined with other sensors, different classes of applications become implementable. The vital criterion for this to happen is the ability to bring information from all sensors together, so that all measured physical phenomena can contribute to the solution. Mediation between applications and physical sensors is the responsibility of sensor network middleware (SNM). Rapid growth in the kinds of sensors and applications for sensors/sensor systems, and the consequent importance of sensor network middleware has raised the need to relatively rapidly build engineering applications from those components. A number of SNM exist, each of which attempts to solve the sensor integration problem in a different way. These solutions, based on their ‘closeness’ either to sensors or to applications, can be classified as low-level and high-level. Low-level SNM tends not to focus on making application development easy, while high-level SNM tends to be ‘locked-in’ to a particular set of sensors. We propose a SNM suitable for the task of activity monitoring founded on rules and events, integrated through a semantic event model. The proposed solution is intended to be open at the bottom – to new sensor types; and open at the top – to new applications/user requirements. We show evidence for the effectiveness of this approach in the context of two pilot studies in rehabilitation monitoring – in both hospital and home environment. Moreover, we demonstrate how the semantic event model and rule-based approach promotes verifiability and the ability to validate the system with domain experts.
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Ormond, Wayne E. "Electronic performance monitoring and organizational citizenship behavior, a procedural justice perspective". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0012/MQ34983.pdf.
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Watson, Aaron Michael. "Electronic Monitoring Relevance and Justification: Implications for Procedural Justice and Satisfaction". NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-03172008-172519/.
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The current study investigated whether reactions to electronic monitoring and task satisfaction are a function of the task-relatedness of monitoring practices and the presence of justification for monitoring. A sample of 176 undergraduate participants completed a computer-based task correcting electronic retail order forms. Participants were randomly assigned to one of five conditions: task-specfic monitoring with justification, task-specific monitoring without justification, off-task inclusive monitoring with justification, off-task inclusive monitoring without justification, or no monitoring. Task-specific monitoring involved electronic tracking of computer activities directly related to task performance, whereas off-task inclusive monitoring supposedly tracked nontask-related computer activities. Justification entailed providing a rationale or explanation for why monitoring was being implemented. The following dependent variables were assessed: perceived relevance of monitoring, perceived rationale for monitoring, invasion of privacy, procedural justice, and task satisfaction. Results indicated task-relatedness of monitoring and justification had an effect such that monitoring task-specific behaviors and providing a clear justification for monitoring resulted in relatively favorable attitudinal outcomes. Implications and recommendations for practice are discussed.
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Procio´w, Pawel. "Mobile psychiatry [electronic resource] : personalised ambient monitoring for the mentally ill". Thesis, University of Nottingham, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555700.
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Mental health has long been a neglected problem in global healthcare. The social and economic impacts of conditions affecting the mind are still underestimated. However, in recent years it is becoming more apparent that mental disorders are a growing global concern that is not to be trivialised. Considering the rising burden of psychiatric illnesses, there is a necessity of developing novel services and researching effective means of providing interventions to sufferers. Such novel services could include technology-based solutions already used in other healthcare applications but are yet to make their way into standard psychiatric practice. This thesis presents a study on how pervasive technology can be utilised to devise an “early warning” system for patients with bipolar disorder. The system, containing wearable and environmental sensors, would collect behavioural data and use it to inform the user about subtle changes that might indicate an upcoming episode. To test the feasibility of the concept a prototype system was devised, which was followed by trials including four healthy volunteers as well as a bipolar patient. The system included a number of sensory inputs including: accelerometer, light sensors, microphones, GPS tracking and motion detectors. The experiences from the trials led to a conclusion that a large number of sensors may result in incompliance from the users. Therefore, a separate investigation was launched into developing a methodology for detecting behavioural patterns in inputs possible to collect from a mobile phone alone. The premise being that a phone is an everyday use appliance and is likely to be carried and accepted by the patient. The trial revealed that monitoring GPS tracks and Bluetooth encounters has the potential of gaining an insight into a person’s social and behavioural patterns, which usually are strongly influenced by the course of bipolar disorder. Lessons learned during these proceedings amounted to a clearer concept of how a future personalised ambient monitoring system could improve the outcome of treatment of bipolar disorder as well as other psychiatric conditions.
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Morton, Robert. "Electronic adherence monitoring and reminders in childhood asthma and cystic fibrosis". Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19932/.
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Sub-optimal adherence to inhaled maintenance therapy is common in children with asthma and Cystic Fibrosis (CF), resulting in poor disease control and increased exacerbations. Electronic monitoring with feedback has been shown to increase adherence in children with asthma by identifying and addressing intentional adherence barriers, and its use is now widespread in CF clinics in the UK. Medication reminders have been shown to be effective at addressing non-intentional adherence barriers in asthma, but have not been investigated in CF. This thesis aimed to investigate electronic monitoring with feedback and reminders to improve adherence and clinical outcomes in children with asthma and CF. Methods 90 children with moderate asthma were recruited to the STAAR study, and randomised to receive an electronic monitoring device (EMD) with 3- monthly feedback of data and alarms, or an EMD without feedback or alarms for a year. The primary outcome was the difference in Asthma Control Questionnaire (ACQ) score, from baseline to 3,6,9 and 12 months. Secondary outcomes were adherence, number of oral steroids required, lung function, hospital admissions, days off school and quality of life. The sample size was calculated using repeated measure analysis, with an MID for the ACQ of 0.5. 17 children were recruited to the Nebtext study and sent reminder text messages for 6 months. The outcomes were difference in overall, weekend and weekday adherence rates before and during the text message period. The sample size was the maximum number of children with CF attending clinic in the recruitment period. Results STAAR The mean [95% CI] difference in ACQ from baseline to 12 months was -1.14 [-1.6 to -0.7] in the intervention group, compared to -0.95 [-1.3 to -0.6] in the control group, with no significant difference between the two (P= 0.51). The mean [95% CI] adherence rate for the intervention group was 71% [63-77], vs. 49% [28-54] in the control group (p = < 0.001). The rate of exacerbations requiring oral steroids in the intervention group was 0.4 per 100 days, compared to 0.7 in the control group (p=0.008). The rate of hospitalisation was 0.03 in the intervention group vs. 0.13 in the control group (p = < 0.01). Nebtext The mean [95% CI] pre-text adherence rate was 80% [65-94], compared to 79% [62-95] during the text period. Conclusion Electronic monitoring with feedback and alarms is effective at reducing exacerbations and hospitalisations in children with asthma. The addition of reminder texts to existing electronic monitoring in children with CF does not further improve high baseline adherence rates.
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Nicolaou, Nicos. "Electronic performance monitoring : the crossover between self-discipline and emotion management". Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/69211/.
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This thesis studies the crossover between self-discipline and emotion management in an electronic performance monitoring (EPM) setting. The intersection between these two elements is explained in terms of six main themes: control, power and discipline; compliance, conformity and resistance; rationality, performance standards and corrective action; emotional labour and the management of emotions; society, responsibility and accountability; and subjectivity, internalisation and the self. These main themes emerged from interview data and are supported by the literature. A qualitative methodology was adopted to support a social constructionist perspective. Semi-structured interviews were conducted to collect data from a single case study organisation, and thematic coding was used for analysis. EPM systems installed in the case study call centre are used to control agents’ behaviour, embedding in their minds the importance of controlling and disciplining their own behaviour. They are forced by EPM to manage their own emotions and conform to the rules of the system through self-discipline. Nevertheless, some find it difficult constantly to suppress their emotions and may exhibit resistance. There is a preoccupation with self-correction. Agents internalise the call centre's norms of behavior. The technological environment largely determines the way in which they manage their emotions. They fake their emotions when interacting with callers, supervisors and colleagues, and exercise self-discipline and emotion management to satisfy personal and group expectations. They incorporate the cultural values, motives and beliefs of the EPM context through learning, socialisation and identification. This thesis offers significant theoretical contributions which revolve around the relationship between surveillance-induced self-discipline and emotional labour over time. It aims to alert academics and business people to the problems of emotional labour and to prompt them to make changes to the design, implementation and use of EPM.
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Meekins, Brian J. "Electronic monitoring in corrections: a proposed application of social bond theory". Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/44967.
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In recent years, harsher sentences have been pursued in criminal offenses leading to an increase in the use of incarceration. Prisons, largely unable to keep up with this demand, have become overcrowded in most areas. In response to prison overcrowding, some jurisdictions have begun to experiment with electronically monitored house arrest.
This thesis is composed of a literature review and proposed study of recidivism in electronic monitoring (EM) programs. The literature review is composed of a general review of the history of corrections, a review of literature on electronic monitoring programs and social bond theory.
The history of corrections serves to partially explain the emergence of electronic monitoring programs as an outcome of the adoption and failure of other forms of intermediate sanctions. The present state of electronic monitoring, including a description of the technology incorporated in these programs, the extent to which EM programs are implemented, and their cost effectiveness are discussed. In addition, some legal implications of its use are discussed.
A review of previous research indicates numerous gaps in the existing evaluation of electronic monitoring programs. Because of these gaps many research questions are not sufficiently answered by the literature review. The rate of recidivism for EM programs compared to that of other correctional programs remains unclear. The underlying factors that affect the recidivism rate for EM programs also remains unclear. In addition, the effects on the offender, the offender’s family, peer group, and employment are not identified. The two reasons responsible for the inability of previous studies to adequately assess the rate of recidivism for EM programs compared to standard probation of parole and the underlying factors predicting recidivism are the exclusion of variables pertaining to the effects of electronic monitoring on the offender as well as the lack of theory needed to understand the relationships of recidivism, and type or correctional program.
Literature on social bond theory is reviewed in order to provide theory to the examination of recidivism in electronic monitoring programs. Beginning with an explanation of Hirschi’s original work (1969), the review extends to empirical literature on the social bond. Finding this literature to be strongly supportive of social bond theory, it is adopted as a structure to examine recidivism. Primarily used in the study of delinquency, social bond theory is adapted to apply to the study of adult populations and recidivism, and the possible effects of EM on the social bond is discussed.
A proposed research study is then presented examining the effects of EM on social bond factors and subsequently recidivism. The relevance of control variables, including length of sentence, type of offense, and prior convictions are discussed as well as the measurement of variables related to social bond theory. A structural equation model is developed that incorporates the control variables, bond variables, program variables, and recidivism, allowing for a simultaneous estimation of their relationships, using LISREL 8. It is hypothesized that EM programs, more than standard probation and parole positively affect the social bond of an offender to his or her family, peer group, and employment. In addition, it is believed that a stronger social bond to the institutions of family, peer group, and employment results in a lower incidence of recidivism.Master of Science
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Jones-Dilworth, Erika J. "Probation Officers' Attitudes on Illinois Electronic Monitoring Program for Drug Offenders". ScholarWorks, 2018. https://scholarworks.waldenu.edu/dissertations/5882.
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Probation Officers' Attitudes on Illinois Electronic Monitoring Program
For Drug Offenders
by
Erika Jones-Dilworth
MPA, Governors State University, 2009
BS, Governors State University, 2007
Dissertation Submitted in Partial Fulfillment
of the Requirements for the Degree of
Doctor of Philosophy
Public Policy & Administration
Walden University
November 2018
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Aliu, Paul Utu. "Public Safety Impact of Electronic Monitoring of Texas High-Risk Offenders". ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/1666.
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The use of electronic monitoring (EM) as a tool to supervise high-risk offenders has increased in the field of criminal justice in the state of Texas. Although EM is now widely used to supervise high-risk offenders to prevent them from committing further crimes, it is unclear whether EM has achieved the purpose of reducing reoffenses during parole supervision. Hirschi's social bond theory, which was later developed into social control theory, was used as the framework for this general qualitative study to explore retired parole officers' perceptions concerning whether EM is successful in preventing high-risk offenders from committing additional crimes. Interview data were collected from 10 retired parole officers who supervised high-risk offenders on EM in Harris County, Texas. The findings revealed that the 10 officers perceived EM to be an effective tool, but they perceived the role of capitalizing on positive social bonds was equally important in controlling criminal behavior. Specifically, the officers perceived that their bond with the high-risk offenders on EM could diminish offenders' propensity to commit new crimes. Opportunities for positive social change stemming from this study include recommendations to the Texas Department of Criminal Justice to develop policies and training that is consistent with social bond theory, and retrain parole officers to emphasize to offenders positive contacts and relationship with family and continuing employment during the term of parole release in order to reduct opportunities for reoffense and futher victimization to the community.
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Faenza, Andrea <1983>. "Microsystems for electronic positioning and monitoring of single cells and particles". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3629/1/Faenza_Andrea_tesi.pdf.
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Faenza, Andrea <1983>. "Microsystems for electronic positioning and monitoring of single cells and particles". Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3629/.
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ANGIUS, GIANMARCO. "Electronic devices and systems for monitoring of diabetes and cardiovascular diseases". Doctoral thesis, Università degli Studi di Cagliari, 2009. http://hdl.handle.net/11584/266006.
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Diabetes is a serious chronic disease which causes a high rate of morbidity and mortality all
over the world. In 2007, more than 246 million people suffered from diabetes worldwide
and unfortunately the incidence of diabetes is increasing at alarming rates. The number of
people with diabetes is expected to double within the next 25 years due to a combination of
population ageing, unhealthy diets, obesity and sedentary lifestyles. It can lead to blindness,
heart disease, stroke, kidney failure, amputations and nerve damage. In women, diabetes
can cause problems during pregnancy and make it more likely for the baby to be born with
birth defects. Moreover, statistical analysis shows that 75% of diabetic patients die
prematurely of cardiovascular disease (CVD). The absolute risk of cardiovascular disease in
patients with type 1 (insulin-dependent) diabetes is lower than that in patients with type 2
(non-insulin-dependent) diabetes, in part because of their younger age and the lower
prevalence of CVD risk factors, and in part because of the different pathophysiology of the
two diseases. Unfortunately, about 9 out of 10 people with diabetes have type 2 diabetes.
For these reasons, cardiopathes and diabetic patients need to be frequently monitored and
in some cases they could easily perform at home the requested physiological measurements
(i.e. glycemia, heart rate, blood pressure, body weight, and so on) sending the measured
data to the care staff in the hospital. Several researches have been presented over the last
years to address these issues by means of digital communication systems. The largest part of
such works uses a PC or complex hardware/software systems for this purpose. Beyond the
cost of such systems, it should be noted that they can be quite accessible by relatively young
people but the same does not hold for elderly patients more accustomed to traditional
equipments for personal entertainment such as TV sets.
Wearable devices can permit continuous cardiovascular monitoring both in clinical settings
and at home. Benefits may be realized in the diagnosis and treatment of a number of major
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diseases. In conjunction with appropriate alarm algorithms, they can increase surveillance
capabilities for CVD catastrophe for high-risk subjects. Moreover, they could play an
important role in the wireless surveillance of people during hazardous operations (military,
fire-fighting, etc.) or during sport activities.
For patients with chronic cardiovascular disease, such as heart failure, home monitoring
employing wearable device and tele-home care systems may detect exacerbations in very
early stages or at dangerous levels that necessitate an emergency room visit and an
immediate hospital admission.
Taking into account mains principles for the design of good wearable devices and friendly
tele-home care systems, such as safety, compactness, motion and other disturbance
rejection, data storage and transmission, low power consumption, no direct doctor
supervision, it is imperative that these systems are easy to use and comfortable to wear for
long periods of time.
The aim of this work is to develop an easy to use tele-home care system for diabetes and
cardiovascular monitoring, well exploitable even by elderly people, which are the main
target of a telemedicine system, and wearable devices for long term measuring of some
parameters related to sleep apnoea, heart attack, atrial fibrillation and deep vein
thrombosis. Since set-top boxes for Digital Video Broadcast Terrestrial (DVB-T) are in simple computers
with their Operating System, a Java Virtual Machine, a modem for the uplink connection and
a set of standard ports for the interfacing with external devices, elderly, diabetics and
cardiopathes could easily send their self-made exam to the care staff placed elsewhere.
The wearable devices developed are based on the well known photopletysmographic
method which uses a led source/detector pair applied on the skin in order to obtain a
biomedical signal related to the volume and percentage of oxygen in blood. Such devices
investigate the possibility to obtain more information to those usually obtained by this
technique (heart rate and percentage of oxygen saturation) in order to discover new
algorithms for the continuous and remote or in ambulatory monitoring and screening of
sleep apnoea, heart attack, atrial fibrillation and deep vein thrombosis.
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Jiang, Jie Cheng. "Performance monitoring in transputer-based multicomputer networks". Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28968.
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Parallel architectures, like the transputer-based multicomputer network, offer potentially
enormous computational power at modest cost. However, writing programs on a multicomputer to exploit parallelism is very difficult due to the lack of tools to help users understand the run-time behavior of the parallel system and detect performance bottlenecks
in their programs. This thesis examines the performance characteristics of parallel programs in a multicomputer network, and describes the design and implementation of a real-time performance monitoring tool on transputers.
We started with a simple graph theoretical model in which a parallel computation is represented as a weighted directed acyclic graph, called the execution graph. This model allows us to easily derive a variety of performance metrics for parallel programs, such as program execution time, speedup, efficiency, etc. From this model, we also developed a new analysis method called weighted critical path analysts (WCPA), which incorporates the notion of parallelism into critical path analysis and helps users identify the program activities which have the most impact on performance. Based on these ideas, the design of a real-time performance monitoring tool was proposed and implemented on a 74-node transputer-based multicomputer. Major problems in parallel and distributed monitoring addressed in this thesis are: global state and global clock, minimization of monitoring overhead, and the presentation of meaningful data. New techniques and novel approaches to these problems have been investigated and implemented in our tool. Lastly, benchmarks are used to measure the accuracy and the overhead of our monitoring tool. We also demonstrate how this tool was used to improve the performance of an actual parallel application by more than 50%.Science, Faculty of
Computer Science, Department of
Graduate
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Zhan, Xiaoying. "Application of overlay techniques to network monitoring". Thesis, Connect to e-thesis, 2008. http://theses.gla.ac.uk/224/.
Texto completo da fonteResumo:
Thesis (Ph.D.) - University of Glasgow, 2008.Ph.D. thesis submitted to the Faculty of Information and Mathematical Sciences, Department of Computing Science, University of Glasgow, 2008. Includes bibliographical references. Print version also available.
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Lim, Choi Keung Hélène Niuklan. "Self-adaptive Grid Resource Monitoring and discovery". Thesis, University of Warwick, 2006. http://wrap.warwick.ac.uk/1176/.
Texto completo da fonteResumo:
The Grid provides a novel platform where the scientific and engineering communities can share data and computation across multiple administrative domains. There are several key services that must be offered by Grid middleware; one of them being the Grid Information Service( GIS). A GIS is a Grid middleware component which maintains information about hardware, software, services and people participating in a virtual organisation( VO). There is an inherent need in these systems for the delivery of reliable performance. This thesis describes a number of approaches which detail the development and application of a suite of benchmarks for the prediction of the process of resource discovery and monitoring on the Grid. A series of experimental studies of the characterisation of performance using benchmarking, are carried out. Several novel predictive algorithms are presented and evaluated in terms of their predictive error. Furthermore, predictive methods are developed which describe the behaviour of MDS2 for a variable number of user requests. The MDS is also extended to include job information from a local scheduler; this information is queried using requests of greatly varying complexity. The response of the MDS to these queries is then assessed in terms of several performance metrics. The benchmarking of the dynamic nature of information within MDS3 which is based on the Open Grid Services Architecture (OGSA), and also the successor to MDS2, is also carried out. The performance of both the pull and push query mechanisms is analysed. GridAdapt (Self-adaptive Grid Resource Monitoring) is a new system that is proposed, built upon the Globus MDS3 benchmarking. It offers self-adaptation, autonomy and admission control at the Index Service, whilst ensuring that the MIDS is not overloaded and can meet its quality-of-service,f or example,i n terms of its average response time for servicing synchronous queries and the total number of queries returned per unit time.
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Markovsky, W. Coult. "The role of the Cape Fear River discharge plume in fisheries production : aggregation and trophic enhancement /". Electronic version (Microsoft Word), 2004. http://dl.uncw.edu/etd/2004/markovskyw/wcoultmarkovsky.doc.
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Gu, Weiming. "On-line monitoring and interactive steering of large-scale parallel and distributed applications". Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/9220.
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Spreeth, Gideon. "Design of a low power wireless sensor network for environmental monitoring". Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/1606.
Texto completo da fonteResumo:
Thesis (MScEng (Electrical and Electronic Engineering))--Stellenbosch University, 2008.A WSN (wireless sensor network) consists of a collection of small, low power electronic devices that can sense their environment and communicate with each other in order to send data to a base station for logging and monitoring. Research done on WSNs has increased rapidly over the past few years, as the necessary RF hardware has become cheaper and smaller. The wealth of information and hardware available in this field has made it possible to design and deploy networks for a multitude of monitoring purposes, on almost any terrain, without an existing telecommunication infrastructure. This thesis presents research into some major aspects of WSNs and the implementation of a test system with wireless sensor motes, that can be used for environmental monitoring, conservation purposes, impact studies, early warning systems for floods, fires etc. The system also has a wide range of possible uses in agriculture, as more data and better control over crops can increase yield. The power constraint of sensor nodes is one of the biggest concerns, as batteries can be depleted quickly and render a system useless. For this reason, work was focused on reducing power consumption of the hardware by means of various methods. Power use was also simulated very successfully, giving a accurate way of predicting node lifetime with a variety of battery types. The system was implemented on the Tmote Sky hardware platform using the open source sensor network operating system, TinyOS.
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Du, Preez Juan. "The development of an infra-red monitoring and data-logging system". Thesis, Cape Technikon, 1991. http://hdl.handle.net/20.500.11838/1128.
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Thesis (Masters Diploma (Light Current))--Cape Technikon, Cape Town,1991This thesis describes the design and development of an infrared monitoring and data logging system. The infra-red unit will be used to monitor certain hiking trails on Table Mountain, whilst the logging unit will be used to log the date and time of the monitored person into memory. This logged data can then be used to compute the statistics relating to that specific hiking trail.