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Dissertations / Theses on the topic 'CAT tool'

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Published: 4 June 2021
Last updated: 11 March 2023

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1

Coleman, Michael Glenn. "Channel CAT: a tactical link analysis tool." Thesis, Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8075.

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The Tri-Service Tactical (TRI-TAC) standards for tactical data links mandate a terminal data rate of 32,000 bits per second. As greater demands for data throughput are placed upon tactical networks, it will become imperative that the design of future client/server architectures do not exceed the capacity of the TRI-TAC networks. This thesis produced an analysis tool, the Channel Capacity Analysis Tool (Channel CAT), designed to provide an automated tool for the analysis of design decisions in developing client-server software. The analysis tool, built using the Computer Aided Prototyping System (CAPS), provides designers the ability to input TRI-TAC channel parameter and view the results of the simulated channel traffic in graphical format. The size of data, period of transmission, and channel transmission rate can be set by the user, with the results displayed as a percent utilization of the maximum capacity of the channel. Designed using fielded equipment specifications, the details of the network mechanisms closely simulate the behavior of the actual tactical links. Testing has shown Channel CAT to be stable and accurate. As a result of this effort, Channel CAT provides software engineers an ability to test design decisions for client-server software in a rapid, low-cost manner.
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2

Ali, Amer Syed. "ADMUX controller card firmware tool /." Leeds : University of Leeds, School of Computer Studies, 2003. http://www.leeds.ac.uk/cgi-bin/library/compst.pl?CAT=BSC&FILE=200304/ali.pdf.

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3

Witten, Jade Abigail. "Validation of the CAT rapid: a smartphone screening tool for HIV-associated neurocognitive disorders in South Africa." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/13771.

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Existing screening tools are not suitable for the detection of HIV-associated neurocognitive disorders (HAND) in South Africa. Study 1 of the current thesis aimed to establish construct validity of a new screening tool, the Cognitive Assessment Tool-Rapid(CAT-Rapid), in a sample of cognitively healthy South African undergraduates (n = 122).Study 2 investigated the tool¡¯s diagnostic validity in a sample of HIV-positive adult South Africans (n = 89). In Study 1 and Study 2, correlational analyses characterizing the associations between CAT-Rapid subtests and analogous standardized neuropsychological tests sought to establish construct validity. In Study 2, ROC curves, and estimates of sensitivity and specificity values, characterized the CAT-Rapid¡¯s diagnostic validity. Results from Study 1 demonstrated adequate construct validity for the CAT-Rapid in the cognitively healthy sample. Results from Study 2 did not demonstrate construct validity of the tool in the clinical sample. Regarding diagnostic properties, at the recommended cut off score ¡Ü 10, the CAT-Rapid did not demonstrate optimal sensitivity and specificity in the detection of HAND. Future research should investigate how the CAT-Rapid compares to paper-and-pencil screening tests that have demonstrated promising results in studies emerging from the global north.
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Hartz, Adam J. (Adam John). "CAT-SOOP : a tool for automatic collection and assessment of homework exercises." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/77086.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 101-103).
CAT-SOOP is a tool which allows for automatic collection and assessment of various types of homework exercises. CAT-SOOP is capable of assessing a variety of exercises, including symbolic math and computer programs written in the Python programming language. This thesis describes the design and implementation of the CAT-SOOP system, as well as the methods by which it assesses these various types of exercises. In addition, the implementation of an add-on tool for providing novel forms of feedback about student-submitted computer programs is discussed.
by Adam J. Hartz.
M.Eng.
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5

Wolverton, Cheryl Lynn. "Staff nurse perceptions' of nurse manager caring behaviors| Psychometric testing of the Caring Assessment Tool-Administration (CAT-adm(c))." Thesis, Indiana University - Purdue University Indianapolis, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10133766.

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Caring relationships established between nurse managers and staff nurses promote positive work environments. However, research about staff nurses’ perceptions of nurse manager caring behaviors is limited. A 94-item Caring Assessment Tool-Administration (CAT-adm©) was developed to measure staff nurses’ perceptions of nurse managers’ caring behaviors; however, it lacked robust psychometric testing. This study was undertaken to establish the CAT-adm© survey as a reliable and valid tool to measure staff nurses’ perceptions of nurse managers’ caring behaviors.

The Quality-Caring Model® (QCM®) served as the theoretical framework. Specific aims were to 1) evaluate construct validity of the CAT-adm© survey by describing factors that account for variance in staff nurses' perceptions of nurse manager caring, 2) estimate internal consistency, and 3) conduct item reduction analysis. Four research questions were: 1) Will the factor structure of observed data fit an 8-factor solution? 2) What is the internal consistency reliability of the CAT- adm©? 3) What items can be reduced while maintaining an acceptable factor structure? and 4) What are staff nurses’ perceptions of nurse manager caring behaviors?

A cross-sectional descriptive design was used. A sample of 703 staff nurses from Midwestern, Midatlantic and Southern Regions of the U.S. completed the CAT-adm© survey electronically. Analysis included Confirmatory Factor Analysis (CFA), Exploratory Factor Analysis (EFA), univariate analysis, and descriptive statistics. CFA did not support an 8-factor solution. EFA supported a two-factor solution and demonstrated significant shared variance between the two factors. This shared variance supported a one-factor solution that could conceptually be labeled Caring Behaviors. Random selection reduced the scale to 25-items while maintaining a Cronbach’s Alpha of .98. Using the new 25-item scale, the composite score mean of staff nurses’ perceptions of nurse manager caring behaviors indicated a moderately high level of caring. Suggestions for nursing administration, nurse manager practice, leadership, education and for future research were given.

The new 25-item CAT-adm© survey has acceptable reliability and validity. The 25-item CAT-adm© survey provides hospital administrators, nurse managers, and researchers with an instrument to collect valuable information about the caring behaviors used by nurse managers in relationship with staff nurses.

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6

Theunissen, Karen Sunette. "A critical review of the validity of the Credibility Assessment Tool (CAT) and its application to the screening of suspected malingering." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6516.

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Thesis (MOccTher)-- University of Stellenbosch, 2011.
ENGLISH ABSTRACT: Malingering, the intentional simulation or exaggeration of symptoms for secondary gain, has a significant financial impact on disability insurance given its prevalence. Multidisciplinary professionals involved in disability determination therefore require a tool which would assist in the screening of suspected malingerers. AIM: The Credibility Assessment Tool (CAT), a tool which was developed as part of the Performance APGAR, was reviewed in terms of its validity and application to the screening of malingering. Research objectives included the review of face and content validity through a literature review and concept analysis, as well as the review of construct and concurrent validity by comparing the results with the operationalised malingering construct and available malingering protocols. The adapted Slick criteria as proposed by Aronoff, applicable to chronic pain, neurocognitive, neurological and psychiatric symptoms, was identified as the most suitable criterion standard for use of comparison. DESIGN: The research design was a descriptive analytical design, which was performed retrospectively with a report review from insurance referrals to the researcher. Informed consent was obtained from insurers who legally own the reports. A saturated sample of convenience of 184 cases with depression and pain as predominant symptoms were analysed. Recall bias were minimised through omission of personal identifiers and the use of a peer check of 20 random cases. Results in the peer check were suggestive of poor inter-rater reliability, rather than recall bias. METHOD: Cases were analysed according to the guidelines from the respective authors of the CAT and adapted Slick criteria, however this was further defined to ensure that the study could be replicated. RESULTS: Face validity was adequate in terms of purpose, item selection and association between consistency criteria, however require improvement in terms of standardised instruction and weighting of the scale. Content validity was rated as adequate to excellent, given that it supports criteria linked to the malingering construct. Construct validity was adequate as demonstrated by association between concepts obtained through concept analysis. Correlation between the CAT and adapted Slick was strong (r>0.5) however caution is expressed that this requires further research. CONCLUSION: Recommendations for further research included the review of content validity with subject experts, criterion and predictive valid through a case-control study of known-groups, as well as the reliability of the CAT, and the use of specialised ADL indices for malingering detection. Adaptation to the CAT was depicted in the proposed Consistency Assessment Tool.
AFRIKAANSE OPSOMMING: Malingering, die opsetlike nabootsing of oordrywing van simptome vir sekondêre gewin, het ‘n beduidende finansiële impak op ongeskiktheidsversekering as gevolg van die prevalensie daarvan. Multidissiplinêre professionele persone betrokke by ongeskiktheidsevaluasies het daarom ‘n meetinstrument nodig om moontlike malingeerders te identifiseer. DOEL: Die Credibility Assessment Tool (CAT), wat ontwikkel was as deel van die Performance APGAR, was ondersoek in terme van geldigheid en toepassing op malingering. Navorsingsdoelwitte het die ondersoek van voorkoms- en inhoudsgeldigheid deur ‘n literatuurstudie en konsep analise behels, sowel as konstruk- en korrelasie geldigheid deur die vergelyking van die resultate met beskikbare malingering protokolle en operasionele konstrukte. Die aangepaste Slick kriteria soos voorgestel deur Aronoff, wat toepaslik is op kroniese pyn, neurokognitiewe, neurologiese en psigiatriese simptome, was ge-identifiseer as die meeste gepaste kriterium standaard vir vergelyking. ONTWERP: Die studieontwerp was ‘n beskrywende analitiese studie wat retrospektief uitgevoer was deur ‘n ondersoek van verslae van versekeraars. Ingeligte toestemming was verkry van versekeraars wat die wetlike eienaars van die verslae is. ‘n Gerieflikheidsteekproef van 184 gevalle met depressie en pyn as hoof simptome was geanaliseer. Sydighede was verminder deur persoonlike inligting te verwyder en die gebruik van ‘n eweknie evaluasie van 20 ewekansige getrekte gevalle. Voorlopige resultate dui onbevredigende betroubaarheid aan, eerder as sydighede. METODE: Gevalle was ge-evalueer volgends die riglyne van die verskeie outeure van die CAT en aangepaste Slick kriteria, en was sodanig verder gedefinieer om te verseker dat die studie herhaal kan word. RESULTATE: Voorkomsgeldigheid was voldoende, maar verbetering is aanbeveel in terme van gestandardiseerde instruksie en skaal verdeling. Inhoudsgeldigheid was beduidend in vergelyking met die wetenskaplike literatuur en die geoperasionaliseerde konstrukte. Konstrukgeldigheid was bevestig deur die positiewe verhoudings tussen die aangepaste Slick en CAT kriteria. ‘n Sterk korrelasie was gevind tussen die aangepaste Slick en CAT, maar hierdie moet versigtig geinterpreteer word aangesien verdere navorsing verlang word. GEVOLGTREKKING: Aanbevelings vir verdere navorsing sluit in die ondersoek van die inhoudsgeldigheid met eksperte, kriterium- en voorspellingsgeldigheid, sowel as die betroubaarheid van die CAT en die gebruik van gespesialiseerde ADL indekse vir uitkenning van malingering. Aanpassing vir die CAT word ook voorgestel.
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7

Essam, Obyda. "The development of the endodontic complexity assessment tool (E-CAT) for assessing endodontic complexity and its prevalence in general dental practice." Thesis, University of Liverpool, 2018. http://livrepository.liverpool.ac.uk/3022453/.

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Introduction: The need for endodontic treatment in dental care is a well-established in the literature. A substantial perceived need for referring endodontic cases to endodontic specialists has been reported. In order to improve the success rate for endodontic treatment by general dental practitioners (GDPs), the referral of the more complex cases to an experienced endodontist should be made possible in the best interest of the patient. In order to be able to refer such cases appropriately, two requirements need to be satisfied. Firstly, GDPs need to be able to predictably identify the cases with higher complexity and higher risk of adverse outcomes, then treat or refer to the appropriate practitioner. Secondly, there needs to be a sufficient number of endodontic specialists or endodontic workforce with appropriate referral pathways available. Aims: The aims of this project are therefore twofold. First is to develop a valid and reliable digital assessment tool that can help GDPs assess and classify complex non-surgical root canal treatments (NSRCT). Secondly is to determine the prevalence of endodontic complexity in general dental practice to help assess the level of need for endodontic treatment, training and therefore inform commissioning within the health system. Methodology: The first part of the research focused on the development of the Endodontic Complexity Assessment Tool (E-CAT). This included a review of the current literature, iterative analysis of the complexity factors and the development of digital software to enhance the tool’s efficiency and practicality. Inter-observer and intra-observer reliability studies were conducted with 15 dentists utilising the tool to assess 15 clinical cases and repeating the experiment 9 months later. External validation of the tool was sought with a panel of 35 endodontists to assess the same 15 cases. The consensus of the panel on the complexity of each case was considered as “gold standard” assessment and was compared to the outcome of achieved by the E-CAT. For the prevalence study, 30 fully qualified dentists working within general dental practice across the UK were recruited. Each dentist assessed 10-15 consecutive potential endodontic cases as encountered in their day-to-day clinical practice. The data was collected using the online E-CAT. The tool allowed the data to be recorded into a secure database. Information on tooth-related factors, systemic factors, oral diagnosis and patient-related factors was recorded. Three levels of complexity were defined for the analysis; class I (uncomplicated), class II (moderately complicated) and class III (highly complicated). The data was analysed to express period prevalence with a 95% confidence interval using SPSS statistical software. Results: The E-CAT was successfully developed with a total of 22 complexity criteria; the tool was hosted on a secure university server under the domain of www.e-cat.uk. The inter-user and intra-user reliability was found to be 0.80 and 0.90 respectively. The consensus of the endodontists panel matched to all 15 cases assessed. The inter-examiner correlation of the panel was 0.51. The average time to assess a case was 01:36 minute. A total of 435 endodontic cases were recorded for the prevalence study. The distribution of complexity over classes I, II and III was 39.8%, 31.9% and 28.3% respectively. History of previous root canal intervention formed 22.9% of the cases encountered. The majority of the cases (64.4%) appeared to have < 15 degree root curvature, 30.6% had 15-40 degree curvature and only 4.0% had > 40° curvature. Teeth with existing extra-coronal restorations formed 18.8% of the cases encountered. Radiographically, visible or moderately reduced canal space was reported in 76.9% of the cases, while 20.9% had severely reduced canal space and only 3.2% were perceived to have invisible canal space. History of trauma was encountered in 8.9% of the evaluated cases. Conclusion: The E-CAT provides an efficient and reliable platform to assess the complexity of NSRCT. The results obtained in the prevalence study provide a good resource and databank for researchers, public health commissioners and academic institutions to access wide range of information concerning the prevalence and distribution of endodontic complexity. The results obtained in this research indicate a possible shortage of endodontic specialist service in the UK, especially within the National Health Service.
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Franks, Lianne. "Exploring multi-disciplinary team (MDT) experiences of cognitive analytic therapy (CAT) as a systemic consultation tool in an adult forensic service." Thesis, University of Liverpool, 2015. http://livrepository.liverpool.ac.uk/2034319/.

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Background: Following the growing emphasis on the use of psychological consultation and the use of Cognitive Analytic Therapy (CAT) as a consultation tool, this qualitative study explored staff members’ experiences of using CAT as a systemic consultation tool. Method: Interviews were conducted with nine members of the Multi-Disciplinary Team in a High Secure Hospital and the data analysed using thematic analysis from a social constructionist perspective. Results: Emerging themes of CAT as consultation tool included the availability and accessibility, the genuine value and mirroring enlightenment. Conclusion: The study demonstrates how genuine value within the system sits at the heart of accessibility and availability of CAT as a systemic consultation tool and the mirroring enlightenment of staff and patients. Implications for clinical practice are also discussed.
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Chaudhari, Sachin B. "DEVELOPMENT OF AN INTERNET-BASED ANALYSIS TOOL USING THE BOUNDARY ELEMENT METHOD." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin971963697.

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Simon, Florent. "Proposition d’une nouvelle méthode de cotation et contribution à la validation du CAT (Children’s Apperception Test) pour l’approche clinique du développement de l’enfant et de sa personnalité." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0165/document.

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L’objectif de ce travail de recherche est de concevoir une nouvelle méthode de cotation et d’interprétation de l’épreuve projective CAT (Children’s Apperception Test). Cette nouvelle méthode que nous avons appelé « méthode des trois axes » est fondée sur les connaissances et techniques des épreuves thématiques de la méthode projective francophone (Ecole de Paris). Elle est basée en partie sur les considérations théoriques de Roussillon (1995, 1997) concernant la métapsychologie projective des processus qui modélise le trajet psychique allant de la perception du stimulus de la planche à la verbalisation de la réponse projective (processus de symbolisation). Elle est constituée de 3 axes, 16 catégories de cotation et d’un total de 83 procédés de cotation. La méthode des trois axes a été appliquée à 500 protocoles d’enfants répartis en deux groupes distincts : un groupe d’enfants dit « tout-venant » rencontré en milieu scolaire (n=380) et un groupe d’enfants dit « consultant » rencontré en institution de soin (n=120). Les données ont été analysées selon une approche descriptive et une approche comparative basée sur trois groupes d’âge : 3 ans, 4-6 ans et 6-12 ans. Nous avons également réalisé une comparaison inter-juges portant sur la cotation avec la méthode actuellement utilisée (méthode de Boekholt) et la méthode des trois axes que nous proposons. A partir des résultats, nous proposons une théorie de la méthode CAT qui comporte trois parties : le dispositif de la passation, le manuel de cotation des procédés et le manuel d’interprétation des données qui comprendra des repères normatifs. Cette théorie de la méthode doit permettre aux psychologues cliniciens utilisateurs de cet outil d’évaluer plus précisément le fonctionnement psychique de l’enfant
The aim of this research is to develop a new method of rating and interpreting the Children’s Apperception Test (CAT). This new method wich we have called “la méthode des trois axes” is built on techniques from the academic “Ecole de Paris” for projective methods. It is based in part on the theory of Roussillon (1995, 1997) concerning the projective metapsychology of processes which describes the psychic path from the perception of the stimulus of the plate to the verbalization of the response. This grid is built with 3 axis of description, including 16 categories of rating and 83 items used to rate the responses in application to the ten plates of CAT. “La méthode des trois axes” was applied to 500 children in two groups : a group of “all-comers” met in school (n=380) and a group of patients in care institution (n=120). The data was analyzed using a descriptive approach based on three age groups : 3 years old, 4-6 years old and 6-12 years old. We also performed the assessment of inter-rater reliability on the rating with the method curently used (Boekholt’s method) and “la méthode des 3 axes” that we propose. On the basis of the results, we propose a theory of the CAT method, which consists of three parts: the test administration, the process rating manual and the interpretation manual which include normative references. This method will enable clinicians psychologists who use this tool to more accurately assess the psychic functioning of the child
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von, Rettig Anna. "Translating Expressive Prose using CAT Tools : An investigation into discerning the effects of segmentation in student translations." Thesis, Stockholms universitet, Tolk- och översättarinstitutet, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-104351.

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Computer Assisted Translation tools continue to become more ubiquitous, but translation students do not necessarily receive much training in using them, and may therefore find translating when using them very different to translating freehand. An experiment was conducted where a three Master’s students were each asked to translate two texts; one in a CAT tool and the other freehand, and the resulting target texts were inspected to determine whether they may have been affected by the segmentation performed by the CAT tool compared to freehand translations of the same text, and if so, how. There were indications that in certain cases, such as very long sentences, the CAT tool may act as a visual aid, and also indications that certain students may be more prone to follow the segmentation provided by the CAT tool than others. However, the influence of personal translator style and translator’s habitus cannot be disregarded and as such the differences that are apparent cannot be entirely attributed to the CAT tool.
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Cervi, Stefano. "Traduzione assistita, manuale e post-editing: Un progetto di analisi comparativa per la traduzione in italiano di ricette di cucina in lingua francese." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7453/.

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Nel mondo della traduzione non sempre si può guardare esclusivamente alla qualità del testo di arrivo: ci sono scenari traduttivi, come quello oggetto del presente elaborato, in cui è necessario tener conto di altri fattori, in primis i costi per il committente e la produttività del traduttore. Con questo elaborato intendo dimostrare che per lo scenario traduttivo preso in esame, ossia la traduzione per un sito web di una grande quantità di ricette da parte di traduttori diversi, l’ausilio di un programma di traduzione assistita è da preferire, per produttività, coerenza traduttiva e contenimento dei costi, alla traduzione manuale e al post-editing della traduzione automatica. Per tale scopo, ho tradotto una ricetta con ciascuna di queste metodologie di lavoro, così da poterle mettere a confronto e potermi pronunciare, a seguito di un'analisi approfondita, circa il metodo migliore per lo scenario descritto.
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Stefanelli, Carlotta. "La localizzazione di applicazioni per dispositivi mobili: il caso di un'app di fotoritocco." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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This dissertation is aimed at presenting and discussing the localization project from English into Italian of a photo-editing app. The project comprises a revision phase of some previously translated strings and a translation phase of all the remaining textual contents. The work can be divided into two major parts, each consisting of two chapters: the first part provides a theoretical framework, while the second presents the practical work. The first chapter examines the concept of localization and begins with the definition of locale. It also includes a brief historical overview of the development and expansion of the phenomenon, the analysis of the GILT model, the different levels of localization and the professional figures involved in the process. Furthermore, the different types of localization are presented, focusing in particular, on the characteristics and issues related to software localization and mobile app localization. The second chapter deals with localization technologies and the debated role they play within this sector. Firstly, there is an introduction to CAT tools and the concepts of translation memory and termbase, which are key elements of this localization project. Afterward, it analyses two other very common practices in mobile apps localization, namely machine translation and crowdsourcing. The third chapter is dedicated to the presentation of the company and the translation assignment, followed by a section that focuses on the analysis of the application and the source texts, according to the different text types and the looping model conceived by Nord. The fourth and final chapter focuses on the translation tools and terminological resources used during the localization of the app by outlining the creation process of the bilingual glossary and the project in SLD Trados Studio. Furthermore, this final chapter provides an overview of the main translation issues encountered in both the revision and the translation phases.
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Pozzetti, Serena. "Il progetto di localizzazione di AlmaRM: tradurre per l’Università in inglese lingua franca." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/12675/.

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This dissertation concentrates on the translation of institutional academic texts. The translation is part of a larger project aimed at localising AlmaRM, an online platform used to monitor international mobility and managed by DIRI, the International Relations Division of the University of Bologna. The present work is divided into four chapters. Chapter 1 gives an overview of localisation and provides information on its history, definitions, and role in GILT model. Web localisation is also analysed in depth, considering both aspects of cultural adaptation and web usability. Chapter 2 offers an insight into the target language of the translation: English as a Lingua Franca (ELF). English language varieties are listed and a few definitions of ELF are provided. Some attempts made by scholars to determine its status as a language variety are reported. Subsequently, aspects such as internal variability and importance of function and context in ELF communication are described, while taking into account the role of the English native speaker and of ELF in Europe. Chapter 3 identifies the causes and consequences of the internationalisation process experienced by the academic world, with a focus on its outcomes, such as the creation of academic websites and of institutional-academic genres. It also introduces the AlmaRM platform and the features of its localisation project, whose tasks were assigned to four students. The resources provided for translation, namely monolingual corpus, translation memory, and terminological database are also presented. Moreover, an overview of the CAT tool is provided: MateCat is analysed and evaluated from the translator’s point of view. Chapter 4 contains an analysis of both the source text and its translation. After assessing the translation skopos and analysing the source text, some strategies for translating into ELF are mentioned. Several issues and problems faced during the translation process are then examined through different examples.
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Chen, Kun. "Haptic system for collision-free 5-axis tool path generation /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?MECH%202006%20CHENK.

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Tang, Dennis. "Evaluation of EDA tools for electronic development and a study of PLM for future development businesses." Thesis, Linköpings universitet, Fysik och elektroteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-104011.

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Electronic Design Automation (EDA) tools are today very capable computer programs supporting electronic engineers with the design of printed circuit board (PCB). All tools have their strengths and weaknesses; when choosing the right tool many factors needs to be taken into consideration aside from the tools themselves. Companies need to focus on the product and revenues for a business to be viable. Depending on the knowledge and strengths of the company, the choice of tools varies. The decision should be based on the efficiency of the tools and the functions necessity for the company rather than the price tags. The quality and availability of support for the tools, training costs, how long will it take to put the tool in operation and present or future collaboration partners is equally important factors when deciding the right tool. The absence of experience and knowledge of the current tool within a company is a factor which could affect important operation; therefore it is important to provide training and education on how to use the tool to increase its efficiency. Providing training and education can be a large expense, but avoids changes within and makes the business competitive. The choice of EDA tool should be based on the employed engineer’s current knowledge and experience of the preferred tool. If the employed engineer’s knowledge and experience varies too much, it might be preferable to make a transition to one of the tool by training and education. Product lifecycle management (PLM) is a data management system and business activity management system which focuses on the lifecycle of a product. To manage the lifecycle of a product it is necessary to split the lifecycle into stages and phases for a more manageable and transparent workflow. By overseeing a product’s entire lifecycle there are benefits which affects many areas. PLM greatest benefits for EDA are collaboration across separate groups and companies by working together through a PLM platform, companies can forge strong design chains that combine their best capabilities to deliver the product to the customers. This report is a study on evaluating which EDA suits the company with consideration of the employed engineer’s demands, requests and competence. The interests in PLM made the company suggest a short theory study on PLM and EDA benefits.
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Choi, Young Keun. "Tool path generation and 3D tolerance analysis for free-form surfaces." Texas A&M University, 2003. http://hdl.handle.net/1969.1/2237.

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This dissertation focuses on developing algorithms that generate tool paths for free-form surfaces based on accuracy of desired manufactured part. A manufacturing part is represented by mathematical curves and surfaces. Using the mathematical representation of the manufacturing part, we generate reliable and near optimal tool paths as well as cutter location (CL) data file for postprocessing. This algorithm includes two components. First is the forward-step function which determines maximum distance called forward- step between two cutter contact (CC) points with given tolerance. This function is independent of the surface type and is applicable to all continuous parametric surfaces that are twice differentiable. The second component is the side-step function which determines maximum distance called side-step between two adjacent tool paths with a given scallop height. This algorithm reduces manufacturing and computing time as well as the CC points while keeping the given tolerance and scallop height in the tool paths. Several parts, for which the CC points are generated using the proposed algorithm, are machined using a three axes milling machine. As part of the validation process, the tool paths generated during machining are analyzed to compare the machined part and the desired part.
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Li, Wei. "Dynamic Reconfigurable Machine Tool Controller." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/235.

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This dissertation presents a dynamic reconfigurable control strategy based on the Direct Machining And Control (DMAC) research at Brigham Young University. A reconfigurable framework is proposed which will allow a machine tool to be controlled by a variety of applications and control laws. This Reconfigurable Mechanism for Application Control (RMAC) paradigm uses a hierarchical architecture to configure a mechanism into a device driver for direct control by an application like CAD/CAM. The RMAC paradigm is one of a mechanism device driver assigned to each mechanism class or model, and uses only the master model to control the mechanism. The traditional M&G code language is no longer necessary since motion entities are passed directly to the mechanism. The design strategy of using dynamic-link libraries (DLL) to form a mechanism device driver permits a mechanism to assume different operating configurations, depending on the number of axes and machine resolution. For example, the machine can perform as a material removal machine in one instant, and then, by loading a new device driver, act as a Coordinate Measuring Machine (CMM). This strategy is possible because RMAC is a software and networked-based control architecture. Both the CAD/CAM planning software and the real-time control software reside on the same PC. The CAM process plan can thus directly control the machine without need for process plan decomposition into the forms supported by the controller. The architectural framework is explained in detail and the methodology for control software reconfiguration into a device driver is presented. For demonstration purposes two device drivers are implemented on a prototype machine to demonstrate feasibility and usefulness.
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Larson, Jonathan Karl. "CAD tool emulation for a two-level reconfigurable cell array for digital signal processing." Online access for everyone, 2005. http://www.dissertations.wsu.edu/Thesis/Fall2005/j%5Flarson%5F120805.pdf.

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HABIB, MD AHASHAN, and LIPOL LEFAYET SULTAN. "Digital Tools for Product Development and Organizational Management." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20120.

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The report illustrates about the digital tools those are used for product development and organizational management (apparel sector). We went to Lectra Sweden AB, DTS solutions AB to search our planned information about those tools. We got some additional information from them as well. We were interested to learn about much software for this but we studied about Lectra Fashion PLM, PISA PDM, and ERP Garp system (CRM, SRM, MRM) as we could manage opportunity to know about them only.For Lectra, we focused on general idea about this software, its different divisions, its working procedure, its advantage to use, its possibility to use for every company. On the other hand, we concentrated on almost similar way of Lectra for PDM, PLM, ERP (CRM, SRM, and MRM).We got different divisions of Lectra, namely- Kaledo, Modaris, Diamino, Optiplan are using for various purposes, like - design, pattern making, marker making, spreading and cutting. On the opposite side of the coin, if companies implement PDM, PLM and ERP system, they can assist to manage the whole business chain very easily for instance- product development, order, purchase, manufacturing, stock/distribution, economy, logistics etcetera. We also knew that it is expensive to buy those software’s and require special skill to operate so it is not prolific to all company.
Program: Magisterutbildning i Applied Textile Management
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Sirirojvisuth, Apinut. "Development of hybrid lifecycle cost estimating tool (hlcet) for manufacturing influenced design tradeoff." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/44778.

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In complex aerospace system design, making effective decision requires knowledge from all disciplines, both product and process perspectives. Manufacturing knowledge integration is most valuable during the early phase of the design since designers have more freedom, and design changes are relatively inexpensive. Yet, there is still lack of structured methodology that will allow feedback from the process perspective to show the impact of the design decisions in a quantifiable manner. The major metrics in the design decision as far as process is concerned are cost, time, and manufacturability. To incorporate these considerations in the decision making process without sacrificing agility and flexibility required during conceptual and preliminary design phases, a new set of software analysis tools are proposed. To demonstrate the applicability of this concept, a Hybrid Lifecycle Cost Estimating Tool (HLCET) is developed, and integrated to existing design methodology, Integrated Product and Process Development (IPPD). The ModelCenter suite is used to develop software architecture that seamlessly integrate between product and process analysis tools, and enable knowledge transfer between design phases. HLCET integrates high fidelity estimating techniques like process-based and activity-based into a hierarchical lifecycle cost model to increase the sensitivities of the top-down LCC model to changes or alternatives evaluated at the part or component level where tradeoff is required. Instead of applying arbitrary complexity factor to existing CERs to account for difference material or process selection, high fidelity tool can be used to related product and process parameters specific to the design to generate new result that can then be used to update top-level cost result. This new approach to lifecycle cost estimation allows for a tailored study of individual processes typically required for new and innovative designs. An example of a hypothetical aircraft wing redesign demonstrates the utility of HLCET.
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Vidal, Tabata. "Concepção de proteses mioeletricos de membros superiores baseado no estudo fisiologico." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264737.

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Orientador: Helder Anibal Hermini
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica
Made available in DSpace on 2018-08-11T07:22:27Z (GMT). No. of bitstreams: 1 Vidal_Tabata_M.pdf: 5227439 bytes, checksum: 003d20540fa55512408c2b363171f23c (MD5) Previous issue date: 2008
Resumo: O objetivo deste trabalho foi revisar na literatura os desenvolvimentos da aplicação das tecnologias envolvidas em automação dedicadas às próteses mioelétricas de membros superiores, desde os primeiros trabalhos implementados no período pós-Segunda Guerra Mundial até as soluções tecnológicas atualmente utilizadas. O conceito de prótese mioelétrica envolve a aquisição e tratamento do sinal mioelétrico de um membro residual que é usado para acionar um atuador que ativará a ferramenta terminal. Objetivando a elaboração de uma solução compatível e aplicável harmonicamente ao sistema orgânico, foram realizados estudos da anatomia, da fisiologia articular dos membros superiores, da natureza e características do sinal mioelétrico, além das tecnologias envolvidas para a concepção de protótipos mecatrônicos, tais como técnicas de CAD-CAE-CAM e a geração de circuitos eletrônicos dedicados à coleta e tratamento de sinais mioelétricos. Para validar o desenvolvimento teórico, três protótipos da ferramenta terminal foram confeccionados, sendo testados em nível de bancada
Abstract: The goal of this work was to review the specialized literature for the development of technological applications connected with automation of myoelectrical prosthesis of upper limbs throughout the years, from World War 2 post-war solutions to the technology currently applied. The concept of myoelectrical prosthesis presupposes implies the acquisition and treatment of the myoelectrical signal of a residual limb which is used to start an actuator, which in turn activates the terminal tool. Aiming at encountering a solution that could be both compatible and harmoniously applicable to the human body, the author engaged in studying anatomy, upper limbs articular physiology, the nature and characteristics of the myoelectrical signal in addition to the technologies utilized to conceive mechatronic prototypes, i.e. CAD-CAE-CAM and the creation of dedicated electronic circuits to collect and process the myoelectrical signals. To validate the theoretical foundation of this project, three prototypes of terminal tools were manufactured and bench-tested.
Mestrado
Mecanica dos Sólidos e Projeto Mecanico
Mestre em Engenharia Mecânica
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Bonilla, Hernández Ana Esther. "Analysis and direct optimization of cutting tool utilization in CAM." Licentiate thesis, Högskolan Väst, Forskningsmiljön produktionsteknik(PTW), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-8672.

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The search for increased productivity and cost reduction in machining can be interpreted as the desire to increase the material removal rate, MRR, and maximize the cutting tool utilization. The CNC process is complex and involves numerous limitations and parameters, ranging from tolerances to machinability. A well-managed preparation process creates the foundations for achieving a reduction in manufacturing errors and machining time. Along the preparation process of the NC-program, two different studies have been conducted and are presented in this thesis. One study examined the CAM programming preparation process from the Lean perspective. The other study includes an evaluation of how the cutting tools are used in terms of MRR and tool utilization. The material removal rate is defined as the product of three variables, namely the cutting speed, the feed and the depth of cut, which all constitute the cutting data. Tool life is the amount of time that a cutting tool can be used and is mainly dependent on the same variables. Two different combinations of cutting data might provide the same MRR, however the tool life will be different. Thereby the difficulty is to select the cutting data to maximize both MRR and cutting tool utilization. A model for the analysis and efficient selection of cutting data for maximal MRR and maximal tool utilization has been developed and is presented. The presented model shortens the time dedicated to the optimized cutting data selection and the needed iterations along the program development.
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Tabani, Haroon R. "Application of NC machining of complex surfaces to streamlined extrusion dies." Ohio : Ohio University, 1989. http://www.ohiolink.edu/etd/view.cgi?ohiou1182523937.

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Leung, Joseph Manwey. "The implication of CAD-CAM-CNC integration on skilled machining work in the tool making profession." Aachen Shaker, 2007. http://d-nb.info/1001502302/04.

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Subotic, Dejan. "A XML-based diagnostic tool using the product line approach." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-6289.

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This is a Master Thesis at the Computer Science Program at Växjö University. It has been made at BSR in Växjö where the development of a diagnostic tool has been in the running since the beginning of 2008. Previously there was a base developed within the company which I was to use for developing the two layers that I was responsible for – ProtocolLayer and PresentationLayer. In the end it should lead to a XML-based diagnostic tool. The technologies used have been .NET with its language C# and XML. The future purpose for this tool is for it to be used within the company to receive important information about the cars when developing other BSR products.

This thesis has focused on developing the tool to be working with the car manufacturer VOLVO and its protocols. The idea is that the diagnostic tool in the future could be extended to be working with all possible car manufacturers’ protocols and to enlighten the extensibility the project has been done using the product-line approach.

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Ford, D. G. "A CAD/CAE aid to design of a machine tool system." Thesis, University of Huddersfield, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280654.

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Kuchař, Petr. "Aplikace CAD/CAM softwaru WorkNC při obrábění." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400955.

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The aim of this thesis was to design core and cavity part of the injection moulding tool with regard to the possibilities of SKD Bojkovice company. The structure of the thesis was divided into two main parts - the theoretical part, where the necessary theory for the elaboration of the second part, the practical one was briefly introduced. In the practical part own plastic component was designed, constructed an injection mold with emphasis on the core and cavity parts of the injection moulding tool and produced the necessary production documentation. Subsequently, the process of manufacturing these parts of the mold was described, and a brief technical-economic evaluation of the manufacturing process took place at the very end.
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Naseath, George Benjamin. "Reducing Curvature in Complex Tool Paths by Deviating from CAM-Produced Tool Paths Within a Tolerance Band." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2245.pdf.

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Jukic, Vladimir, and Thom Wikingsson. "BSR Diagnosverktyg – Kommunikation över CAN och K-line bussen." Thesis, Växjö University, School of Mathematics and Systems Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-2234.

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Den här rapporten beskriver ett examensarbete för högskoleingenjörsexamen i datorteknik vid Växjö universitet. Vid företaget BSR i Växjö pågår utvecklingen av ett diagnosverktyg benämt BSR Diagnostic Tool. Syftet med projektet är att kunna använda en hårdvaruklass som kommunikationsdel istället för diagnosverktyg från de olika biltillverkarna. Inom objektorienterad programmering är en klass ett avsnitt programkod som samlar en mängd relaterade attributer och funktioner för ett objekt. I rapporten beskrivs implementeringen av hårdvaruklassen samt tillhörande teori för kommunikationsbussen som används, nämligen CAN. BSR har redovisat vilka funktioner som bör finnas med i klassen genom att göra ett diagram med dessa. Målet i första hand var att få en fungerande kommunikation med styrenheter i en Saab. Testning har skett genom ett enkelt testprogram som ger möjlighet att skicka en fråga och få tillbaka ett svar från en styrenhet i fordonet genom hårdvaruklassen. Utvecklingen av systemet har skett med hjälp av programspråket C# och utvecklingsmiljön .NET. Företagets representanter var nöjda med resultatet då det utgör en bra grund för vidareutvecklingen av BSR Diagnostic Tool.


This abstract describes the bachelor degree thesis in computer technology at Växjö University. At the company BSR in Växjö, Sweden there is a new project under development called BSR Diagnostic Tool. The main idea is to use a hardware class for communication instead of the diagnostic tools that are provided by the car manufactures. In object-oriented programming, a class is a programming language construct that is used as a blueprint to create objects. The task was to implement this hardware class which will handle the communication between a computer and the control units in the vehicles. The report also includes a big theoretical part about the communication bus that is used, CAN. The objective was to create the class and make it communicate successfully with a Saab. The testing of the class was done with a simple program. The program can send a question to the vehicle and retrieve an answer with help of the hardware class. BSR provided a diagram with functions that should be present. The development of the system was done using C# and .NET Environment. The company was satisfied with the results since they provided a good basis to further development of BSR Diagnostic Tool.

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Dvořák, Kamil. "Výroba součásti na CNC soustruhu MORI SEIKI NL2000." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228214.

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A technology of a polishing jig which is made on a CNC lathe with the use of the GibbsCAM system. On the 3D model of the part a NC code of the program is made. This code is imported into the machine and verified for single production. After the production measurement is done. Economic evaluation of the production is calculated for the workpiece price.
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Rehman, Habib Ur. "Designing and Development of a Data Logging and Monitoring Tool." Master's thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-212633.

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Since the mid 90's computer communication has become more and more common in cars and other auto mobiles. CAN based networks with sensors transmitting small data packets are utilized in the automotive industry to operate and supervise vehicles' functionality. To ease communication several higher layer protocols for CAN based networks have been developed. In some applications it is necessary to exchange information between networks using different protocols, and by connecting the two networks to a gateway, the information is translated and forwarded and intercommunication is enabled. This master thesis is conducted at Torqeedo GmbH, Munich. Theme of the thesis was “Designing and Development of a Data Logging and Monitoring Tool”. Term “data logging” refers to the gathering or collection of specific data over a period of time. Monitoring means evaluate the data we are logging. Tools for data logging and monitoring are used in variant application these days. In medical, in-vehicle data logging and environment monitoring. This data could be voltage, current temperature, Time stump, heartbeat of the patient, vehicle fuel level etc. To capture and log data various communication channels used. Such channel varies from simple data cable to satellite link. There are variant protocols used for different communication channels. For our DBHS logging and monitoring tool we are using CANopen protocol. Main goal of this thesis is to develop a tool which can make debugging easy and log connection box data so we can use logged data later on for offline data analysis and simulation purposes.
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Costa, Gustavo Guilherme dos Santos. "Contribuição para os usuários de sistemas CAD/CAM/CNC em operação de fresamento de topo em aço para moldes e matrizes." Universidade Federal de Uberlândia, 2011. https://repositorio.ufu.br/handle/123456789/14885.

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The increased in the demand for plastic products and the need for reduction manufacturing times, and the growing dependence of man on the computer in present day, especially in manufacturing activities, has resulted in constant research of technological developments in order to supply these needs. In dies and molds manufacturing industry for plastic injection requiring machining operations such as (milling, drilling and polishing, among others), is increasing dependence by computer systems, such as CAD/CAM. This technology helps in the manufacturing steps, provides fast and high accuracy in the manufacturing of complex geometries. Therefore, to understand and to use efficiently these resources that aided in manufacturing are of enormous importance for the optimization of a production process. In this context, this work presents a study on the use of resources programming CAD/CAM in milling operation of cavities steel VP50 with inserts cemented carbide with ball nose. The influence of two types of interpolation (linear and circular) and tolerances bands (0.05 mm and 0.1 mm) that define the tool path for machining of a cavity that has a similar form the a mold of a battery cover cell phone. As output variables evaluated were machining time, the number of lines of the program, the parameters of surface roughness (Ra, Rq, Rz) of parts, the radius of curvature, form deviation of any line profile and the tool wear. The results showed that, from the statistical point of view (ANOVA), none of the conditions of interpolation and tolerance employed significantly influenced the values of surface roughness in form deviation of any line and tool wear. Linear interpolation with tolerance of 0.1 mm was most viable for the production of such cavity in the conditions investigated because the produced good finish, low tool wear and machining time is shorter.
O aumento pela demanda por produtos plásticos e a necessidade de redução nos tempos de fabricação, além da crescente dependência do homem pelo computador em dias atuais, especialmente nas atividades de fabricação, tem implicado na busca por constantes desenvolvimentos tecnológicos a fim de suprir estas necessidades. Na indústria de fabricação de matrizes como também de moldes para injeção de plásticos (que necessitam de operações de usinagem tais como fresamento, furação e polimento, dentre outros), é cada vez maior a dependência pelos sistemas computacionais, como o sistema CAD/CAM. Essa tecnologia auxilia nas etapas de fabricação, oferece rapidez e alta exatidão na fabricação de geometrias complexas. Portanto, entender e saber utilizar de forma eficiente estes recursos que auxiliam na manufatura são de enorme importância para a otimização de um processo produtivo. Neste contexto, este trabalho apresenta um estudo sobre a utilização de recursos de programação CAD/CAM em fresamento de cavidades de aço VP50 com insertos de metal duro ponta de esférica. Foi investigada a influência de dois tipos de interpolações (linear e circular) e tolerâncias (0,05mm e 0,1 mm) que definem o percurso da ferramenta na usinagem de uma cavidade que possui forma semelhante a um molde da tampa da bateria do aparelho celular. Como variáveis de saída foram avaliadas o tempo de usinagem, o número de linhas do programa, os parâmetros de rugosidade superficial (Ra, Rq, Rz) das cavidades, o raio de curvatura, o desvio de forma de uma linha qualquer e o desgaste das ferramentas. Dos resultados obtidos, constatou-se que, sob o ponto de vista estatístico (ANOVA), nenhuma das condições de interpolação e tolerância empregadas influenciou significativamente nos valores de rugosidade da superfície, no desvio de forma de uma linha qualquer e desgaste das ferramentas. A interpolação linear com tolerância de 0,1mm mostrou-se a mais viável para a produção de tal cavidade nas condições investigadas devido a bom acabamento produzido, pequeno desgaste e tempo de usinagem mais curto.
Mestre em Engenharia Mecânica
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34

Jurča, Adam. "Návrh technologie výroby lůžka pro vyměnitelnou břitovou destičku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241937.

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The thesis focuses on the design technology of the tooth gap mills. The theoretical part summarizes issues of material, milling and CAM technology. The practical part of the design process for the production of variants using CAM system. Parts are finally produced on 5-axis milling machine. At the end there is technical-economic evaluation of production.
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Shelley, Jonathan Knighton. "Incorporating Computational Fluid Dynamics Into The Preliminary Design Cycle." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd979.pdf.

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Lim, B. S. "Feasibility study of integrating workpiece design to tool engineering using artificial intelligence and CAD principles." Thesis, University of Nottingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376630.

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Pettersson, Marcus. "CAN bus diagnostic tool for PocketPC." Thesis, University West, Department of Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-340.

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Boumhaout, El Bachir. "A CAD tool for supermind design." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/129130.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, September, 2020
Cataloged from student-submitted PDF of thesis.
Includes bibliographical references (page 57).
The rise of information technology has paved the way for a world that is more connected than ever before. This accelerated the prominence of collective intelligence as an attribute of groups and systems of individuals collaborating, or competing together to innovate and solve complex problems. We define these systems as superminds. In this thesis, I present a CAD (Computer-Aided Design) tool for designing and configuring superminds. This tool is based on the supermind design methodology developed at the MIT Center for Collective Intelligence. It aims to enable users to generate innovative possibilities for how to design various systems, especially the ones with human-computer combinations. The design tool is augmented by a design library that hosts a knowledge base for organizational design, business activities, and processes. The library relies on systematic taxonomies to organize its content and introduces a new framework of how to think about process and knowledge management in organizational design. These software tools aim to make the supermind design methodology accessible, and allow managers, consultants, and others to design transformational projects that drive innovation and harnesses the collective intelligence of their organizations.
by El Bachir Boumhaout.
M. Eng.
M.Eng. Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science
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Ryšavý, Jan. "Systém řízení výroby." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231988.

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The goal of this diploma thesis is to describe the proposal for integrating production control system in the growing manufacturing company with custom-made production. Initially the research of applicable methods and operations suitable for the company management will be done. Next step will be to apply these procedures in the company and eventually to provide a range of adjustments. As a result, not only an optimal production control system eliminating possible mistakes stemming from the insufficient control management is implemented, but also the company is prepared for further profitable growth.
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Lazaro, Anthony de Sam. "An expert system for jig and fixture design." Thesis, Cardiff University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329749.

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O'Leary, John Joseph. "CROBOTS, a cad-based robot simulation tool." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0014/MQ36159.pdf.

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Cao, Fei. "Chlamydia pneumoniae, toll-like receptors and pathogenesis of atherosclerotic heart disease." View the abstract Download the full-text PDF version (on campus access only), 2007. http://etd.utmem.edu/ABSTRACTS/2007-022-Cao-index.html.

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Thesis (Ph.D. )--University of Tennessee Health Science Center, 2007.
Title from title page screen (viewed on May 16, 2008 ). Research advisor: Gerald I. Byrne, Ph.D. Document formatted into pages (xi, 114 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 65-107).
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Kumar, Eshwar. "Optimal choice of machine tool for a machining job in a CAE environment." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/4512.

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Developments in cutting tools, coolants, drives, controls, tool changers, pallet changers and the philosophy of machine tool design have made ground breaking changes in machine tools and machining processes. Modern Machining Centres have been developed to perform several operations on several faces of a workpiece in a single setup. On the other hand industry requires high value added components, which have many quality critical features to be manufactured in an outsourcing environment as opposed to the traditional in-house manufacture. The success of this manufacture critically depends on matching the advanced features of the machine tools to the complexity of the component. This project has developed a methodology to represent the features of a machine tool in the form of an alphanumeric string and the features of the component in another string. The strings are then matched to choose the most suitable and economical Machine Tool for the component’s manufacture. Literature identified that block structure is the way to answer the question ‘how to systematically describe the layout of such a machining centre’. Incomplete attempts to describe a block structure as alphanumeric strings were also presented in the literature. Survey on sales literature from several machine tool suppliers was investigated to systematically identify the features need by the user for the choice of a machine tool. Combining these, a new alphanumeric string was developed to represent machine tools. Using these strings as one of the ‘key’s for sorting a database of machine tools was developed. A supporting database of machine tools was also developed. Survey on machining on the other hand identified, that machining features can be used as a basis for planning the machining of a component. It analysed various features and feature sets proposed and provided and their recognition in CAD models. Though a vast number of features were described only two sets were complete sets. The project was started with one of them, (the other was carrying too many unwanted details for the task of this project) machining features supported by ‘Expert Machinist’ software. But when it became unavailable a ‘Feature set’ along those lines were defined and used in the generation of an alphanumeric string to represent the work. Comparing the two strings led the choice of suitable machines from the database. The methodology is implemented as a bolt on software incorporated within Pro/Engineer software where one can model any given component using cut features (mimicking machining operation) and produce a list of machine tools having features for the machining of that component. This will enable outsourcing companies to identify those Precision Engineers who have the machine tools with the matching apabilities. Supporting software and databases were developed using Access Database, Visual Basic and C with Pro/TOOLKIT functions. The resulting software suite was tested on several case studies and found to be effective.
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Mitzenheim, Thomas, and Christoph Knoch-Weber. "Innovation in der Orthopädie- und Rehatechnik, 3D-Digitalisierung und CAD/CAM-Nutzung." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-214953.

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Management Summary Die Orthopädie- und Rehatechnik Dresden GmbH ist ein innovatives Unternehmen der Orthopädietechnik in Dresden und der kompetente Partner für Gesundheit, Wohlbefinden und Mobilität. Ein Schwerpunkt liegt bei der Fertigung orthopädischer Hilfsmittel. Dabei wird die gesamte Bandbreite möglicher Versorgungen abgedeckt. Diese sind: — Bein- und Armprothesen, — Bein- und Armorthesen, — Korsetts zur Behandlung von Wirbelsäulendeformationen, — Sitzschalen für Rollstühle, — Orthopädische Maßschuhe. Mit hoher handwerklicher Präzision werden die Hilfsmittel in der eigenen Werkstatt individuell für jeden Kunden gefertigt. Die Wertschöpfungskette besteht abhängig von der Versorgungsart aus unterschiedlichen Bestandteilen. Allgemeingültig für alle Versorgungen sind: — Maßnahme beim Kunden, — Modellierung und Erstellung von Positivmodellen, — Herstellung der Hilfsmittel bis zur Anprobe, — Anprobe und Anpassung der Hilfsmittel, — Endmontage und Fertigstellung der Hilfsmittel, — Einweisung in den Gebrauch sowie Auslieferung. Sinkende Vergütungen durch die Krankenkassen, stark zunehmende Versorgungszahlen und die immer schwieriger werdende Gewinnung von Fachpersonal erfordern eine Straffung der Wertschöpfungskette. Erreichbar ist diese Straffung nur über eine Umgestaltung der zugrundeliegenden Produktionsprozesse. Die Geschäftsführung entschied, innerhalbeines Projektes zu prüfen, ob der Einsatz digitaler Datenerfassungs- und Bearbeitungstechniken einen wirtschaftlichen Vorteil für die künftige Unternehmensentwicklung darstellt. Dabei sollen künftig die betroffenen Körperbereiche der Kunden individuell durch geeignete 3D-Digitalisiertechnik erfasst, aufbereitet, modifiziert und archiviert und schließlich als Modellvorlagen in einem CAD/CAM-Verfahren durch CNC-Fräsen hergestellt werden. Für die Orthopädie- und Rehatechnik Dresden GmbH als stark handwerklich geprägtes KMU ist dieses Projekt ein Meilenstein für die weitere Entwicklung, sowohl hinsichtlich des Investitionsbedarfes als auch der Projektorganisation und der Kommunikation der Änderungen im Unternehmen. Bedingt durch die Art der angebotenen Produkte und Dienstleistungen finden sich im Unternehmen Mitarbeiter, die über hochspezialisiertes Wissens und individuelle Fähigkeiten verfügen. Die hohe Mitarbeiterzahl im den Bereichen Orthopädie-technik und Orthopädieschuhtechnik erlaubt eine Spezialisierung von Mitarbeitern auf einzelne Produktgruppen. Diese ist der entscheidende Wettbewerbsvorteil in einem von starkem Wettbewerbsdruck geprägten Markt. Sie ist sowohl notwendig für den wirtschaftlichen Erfolg als auch für die erfolgreiche Umsetzung der Veränderungsprozesse. Eine Umgestaltung der Produktion wie Sie im Rahmen dieses Projektes angestrebt wird bedeutet eine tiefgreifende Veränderung des bisherigen Arbeitsumfeldes. Es entstehen neue, spezialisierte Aufgaben, Verschiebungen von Arbeitsinhalten sowie die Notwendigkeit, vermehrt Aufgaben zu delegieren.
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45

Cheng, Ze. "A neural-based CAD tool for RFmicrowave modeling." Thesis, University of Ottawa (Canada), 2005. http://hdl.handle.net/10393/26872.

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The dramatic development of the commercial markets for wireless communication products leads to an increasing need for accurate and fast models of RF and microwave components and circuits. The traditional modeling approaches have the disadvantage of being either expensive or time-consuming. Although the basic artificial neural network as a fast and accurate modeling approach has been applied in diverse situations, the use of knowledge-aided neural networks is quite new. In this thesis, we focus on the development of a neural-based computer aided design (CAD) tool for the general Multi-Layer Perceptrons (MLP) neural network, the Knowledge-Based Neural Network (KBNN), and the Prior Knowledge Input (PKI) neural network. KBNN and PKI were used, for the first time in this thesis, in the modeling of a mixer and multistage amplifiers. Since in the RF and microwave field, the training data are usually obtained from measurements or simulations, which are either expensive in data generation or CPU time consuming, such applications of knowledge-aided neural networks (KBNN and PKI) have been proved to be capable of reducing the need for a large number of training data, and improving the accuracy and efficiency as well.
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46

Ljung, Marcus, and Per Turner. "CAN Tool for Atlas Copco’s Rig Control System." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-29978.

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The goal of this 15 hp thesis in computer engineering was to develop a tool for monitoring and analyzing the data flow on a Controller Area Network (CAN) called Rig Control System (RCS) that is used by Atlas Copco. Atlas Copco develops and manufactures machines for Mining and Rock Excavation. The Rocktec division is responsible for the Rig Control System platform used on machines in all division within the Mining and Rock Excavation Technique (MR) business area. The tool’s primary purpose is monitor and analyze data from the RCS network and present the analyzed data in an easy way to help with development and maintenance of RCS and machines that use RCS. The advantages and how data is sent over the CAN bus are presented as well as the CANopen protocol which is a higher layer protocol based on CAN. Two ways of data acquisition from RCS are presented, a simulated environment and real hardware. Different types of interprocess communication are presented as well as the pros and cons of each of these types. The creation of the tool required a Graphical User Interface (GUI) so different frameworks for this task are also presented and discussed. A version of the tool is presented and discussed in detail. The result of the project is a tool that with further development can be of great use to developers and service engineers working with RCS.
Målet med detta 15 hp examensarbete inom datateknik var att utveckla ett verktyg för att övervaka och analysera dataflödet på ett Controller Area Network (CAN) kallat Rig Control System (RCS) som används av Atlas Copco. Atlas Copco utvecklar och tillverkar maskiner för gruvdrift och bergbrytning. Rocktec-divisionen är ansvarig för Rig Control System-plattformen som används i maskiner från alla avdelningar inom affärsområdet Mining and Rock Excavation Technique (MR). Verktygets primära uppgift är att övervaka och analysera data från RCS-nätverket och presentera den analyserade datan på ett lättöverskådligt sätt för att vara till hjälp vid utveckling och underhåll av RCS och maskiner som använder RCS. Fördelar, hur data skickas över CAN-bussen och även CANopen-protokollet, som är ett högnivåprotokoll baserat på CAN, presenteras. Två olika sätt att samla in data från RCS presenteras, en simulerad miljö och riktig hårdvara. Olika typer av interprocesskommunikation och deras respektive fördelar och nackdelar presenteras. Skapandet av verktyget krävde ett grafiskt användargränssnitt så olika ramverk för denna uppgift presenteras och diskuteras i detalj. Resultatet av projektet är ett verktyg som med vidare utveckling kan vara till stor användning för utvecklare och servicetekniker som arbetar med RCS.
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47

Åberg, Maria. "Skill and knowledge matrix and evaluation tool for CAD-users at Atlas Copco Rock Drills AB." Thesis, Örebro University, School of Science and Technology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-10017.

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48

Li, Zhaoyi, and n/a. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool." Griffith University. School of Information and Communication Technology, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060731.121340.

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Since the proliferation of CAD tools, visualizations have gained importance.. They provide invaluable visual feedback at the time of design, regardless whether it is fbi civil engineering or electronic circuit design-layout. Typically dynamic visualizations are produced in a two phase process: the calculation of positions and rendering of the image and its presentation as an animated video clip. This is a slow process that is unsuitable fbr interactive CAD visualizations, because the former two require finite element analysis Faster hardware eases the problem, but does not overcome it, because the algorithms are still too slow. Our MEMS CAD project works towards methods and techniques that are suitable for interactive design, with faster methods. The purpose of this PhD thesis is to contribute to the design of an interactive virtual prototyping of Micro Electro Mechanical Systems (MEMS) This research comprises the analysis of the visualization techniques that are appropriate for these tasks and identifying the difficulties that need to be overcome to be able to offer a MEMS design engineer a meaningful and interactive CAD design environment Such a VR-CAD system is being built in our research group with many participants in the team. Two particular problems are being addressed by presenting algorithms for truthful VR visualization methods: one is for displaying objects that are different in size on the computer screen. The other is modelling unsynchronized motion dynamics, that is different objects moving simultaneously at very high and vety low speed, by proposing stroboscopic simulation to present their dynamics on the screen They require specific size scaling and time scaling and filtering. It is these issues and challenges which make the design of a MEMS CAD tool different from other CAD tools. In the thesis I present algorithms for displaying animated virtual reality for MEMS virtual prototyping in a physically truthful way by using the simulated stroboscopic illumination to filter animated images to make it possible to show unsynchronized motion.. A scaling method was used to show or hide objects which cannot be shown simultaneously on the computer screen because of their large difference in size. The visualization of objects being designed and their animations is done with much consideration of visual perception and computer capability, which is rising attention, but not too often mentioned in the visualization domain.
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49

Li, Zhaoyi. "Analysis and Design of Virtual Reality Visualization for a Micro Electro Mechanical Systems (MEMS) CAD Tool." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/366361.

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Since the proliferation of CAD tools, visualizations have gained importance.. They provide invaluable visual feedback at the time of design, regardless whether it is fbi civil engineering or electronic circuit design-layout. Typically dynamic visualizations are produced in a two phase process: the calculation of positions and rendering of the image and its presentation as an animated video clip. This is a slow process that is unsuitable fbr interactive CAD visualizations, because the former two require finite element analysis Faster hardware eases the problem, but does not overcome it, because the algorithms are still too slow. Our MEMS CAD project works towards methods and techniques that are suitable for interactive design, with faster methods. The purpose of this PhD thesis is to contribute to the design of an interactive virtual prototyping of Micro Electro Mechanical Systems (MEMS) This research comprises the analysis of the visualization techniques that are appropriate for these tasks and identifying the difficulties that need to be overcome to be able to offer a MEMS design engineer a meaningful and interactive CAD design environment Such a VR-CAD system is being built in our research group with many participants in the team. Two particular problems are being addressed by presenting algorithms for truthful VR visualization methods: one is for displaying objects that are different in size on the computer screen. The other is modelling unsynchronized motion dynamics, that is different objects moving simultaneously at very high and vety low speed, by proposing stroboscopic simulation to present their dynamics on the screen They require specific size scaling and time scaling and filtering. It is these issues and challenges which make the design of a MEMS CAD tool different from other CAD tools. In the thesis I present algorithms for displaying animated virtual reality for MEMS virtual prototyping in a physically truthful way by using the simulated stroboscopic illumination to filter animated images to make it possible to show unsynchronized motion.. A scaling method was used to show or hide objects which cannot be shown simultaneously on the computer screen because of their large difference in size. The visualization of objects being designed and their animations is done with much consideration of visual perception and computer capability, which is rising attention, but not too often mentioned in the visualization domain.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Information and Communication Technology
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50

Hu, Yi. "Computer aided design tools for high performance DSP ASICS." Thesis, Queen's University Belfast, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310187.

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