Dissertations / Theses on the topic 'AHC'
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Davies, Graham, and n/a. "The Australian Heritage Commission : a thing we want to keep?" University of Canberra. Information, Language & Culture, 1992. http://erl.canberra.edu.au./public/adt-AUC20061112.125611.
Full textTinelli, Livia Martinelli. "Otimização do posicionamento de produtos acabados em armazéns inteligentes." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/18/18149/tde-14052013-162538/.
Full textTo obtain competitive advantages in the global market scenario, companies have aimed at reducing logistic costs as well as streamlining the order of fulfillment. In this context the use of tools to efficiently manage the storage, ensuring a best allocation of the products has been growing. The method of the ABC Curve, based on the Principle of Pareto qualifies the portfolio of a company so that products can be separated into classes. The items of Class A deserve special attention since they represent 80% of the financial transactions of a company. On the other hand, the AHP multicriteria tool enables the analysis of several criteria (demand, financial transaction, seasonality, among others) to determine the best alternative to achieve the main goal. The primary aim of this project is to establish a tool/technique to ensure the correct positioning of the products optimized by either the allocation based on the ABC classification or the allocation by prioritizing the products established by the AHP. The tool/technique was implemented in language C and 1,620 loading and unloading tasks were simulated for random allocation, ABC and AHP to ensure the flow of inputs and outputs from the storage. The results show that the system proposed is viable and efficient, as it shortens the distances traveled and streamlines the time of order of fulfillment, reducing the logistic costs. The reductions achieved with the allocations based on the ABC method ensure 8.42% for the traveled distances and 8.43% for the time spent to unload the trunks. The multicriteria tool allowed reductions of 12.81% and 13.47% in the traveled distances and time spent, respectively, to allocate the items into the storage. The project is of great relevance for the area, as it ensures an optimum flow in the movements of the storage, reducing the unnecessary movements.
Andersson, Erik. "Effektiv lagerstyrning med AHP och tvådimensionell artikelklassificering : En fallstudie på Permobil AB, Timrå." Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-28007.
Full textKostnader kopplade till lagerverksamheten är ofta en betydande del av företagets totala omsättning. Trots detta är generella intresset för effektiv lagerstyrning lågt, trots dokumenterade fördelar som mindre bundet kapital, ökad kundservice och bättre arbetsmiljö. Permobil AB, Timrå är inne i en tillväxtfas och siktar på att öka sin produktion med mer än 30 % inom två år. För att möjliggöra detta behöver företaget förbättra sin lagerstyrning och utveckla sitt sätt att distribuera material, dels till eftermarknad och dels till sin egen montering. Syftet med studien är att bistå företaget i dess önskan att skapa en effektivare lagerstyrning med avseende på kvalitet och kostnad. Alternativa metoder att klassificera artiklar föreslogs, för att skapa en mer nyanserad bild av en artikels karaktär och hur den ska styras. Analytic Hierarchy Process (AHP) användes för att ge utvalda nyckelpersoner en chans att bestämma kriterier för hur en artikel ska bedömas. Dessa kriterier var årligt volymvärde, ledtid, uttagsfrekvens och inköpspris. Den andra metoden som föreslogs var en tvådimensionell klassificering där årligt volymvärde och uttagsfrekvens delar in befintliga artiklar i nio klasser med olika prioritering. Båda metoder gav upphov till betydande förändringar i jämförelse med den nuvarande metoden. För reservdelslagret testades alternativa prognosmetoder, för att jämföra med den nuvarande. Det visade sig att de båda metoderna glidande medelvärde och exponentiell utjämning med trend presterade bättre än den befintliga metoden. Stickprovet på 10 slumpmässigt utvalda artiklar är för litet för att förkasta nuvarande sätt att prognosticera, men det finns skäl att upprätta rutiner för kvalitetskontroll för att säkra en hög nivå på framtida prognoser.
Burns, Maureen, and n/a. "ABC Online: Becoming the ABC." Griffith University. School of Arts, Media and Culture, 2004. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20040520.111544.
Full textLuz, Ricardo Hecker. "O ABC sem o ABC." Florianópolis, SC, 2005. http://repositorio.ufsc.br/handle/123456789/102385.
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Esse trabalho estudou a influência dos conhecimentos lingüísticos e psicolingüísticos do professor na inserção de crianças no mundo da leitura. Além do professor de uma escola municipal do interior de Santa Catarina, que participou de um curso de Lingüística e Psicolingüística, os sujeitos foram 20 alunos da turma controle, antes do curso, e 24 da turma teste, depois do curso.
Aquino, Francisco Melo de. "ABC." Florianópolis, SC, 2001. http://repositorio.ufsc.br/xmlui/handle/123456789/82118.
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A presente pesquisa tem como objetivo geral identificar os potenciais benefícios obtidos com a implantação do método de custeio ABC (Activity Based Costing), no Centro de Educação Profissional do SENAC de Florianópolis e propor um sistema alternativo de custeio baseado na atividade. Inicialmente, realiza-se uma breve revisão teórica com o propósito de evidenciar as principais deficiências dos métodos de custeio tradicionais como ferramentas de apoio à tomada de decisões e, ao mesmo tempo, destacar a importância do ABC, para tal fim. Com o propósito de justificar a elaboração de uma proposta alternativa de custeio, analisa-se o atual sistema de custos e verifica-se sua inadequação como instrumento de cálculo de custos e de apoio à tomada de decisão. Realiza-se análise dos custos da referida unidade, referente ao período de janeiro a agosto de 2000, constata-se que seus custos indiretos correspondem, em média, a 51% do custo total. Constata-se, também, que estes custos comprometem, em média, 63% de sua receita operacional mensal e que as despesas das principais seções apresentam acentuada tendência de crescimento no período. Diante de tais constatações, realiza-se levantamento de dados junto à referida unidade operativa e identificam-se as principais atividades e recursos. Em decorrência de significativa incidência de compartilhamento de recursos, especialmente de mão-de-obra, elabora-se um modelo básico de rastreamento de custos de pessoal. A partir do levantamento, apontam-se 26 atividades e respectivos direcionadores de recursos, elabora-se o dicionário de atividades e demonstra-se o cálculo dos custos das atividades do Núcleo Administrativo Financeiro. Na seqüência, definem-se os direcionadores de atividades, calcula-se o custo por medida de saída do citado núcleo, demonstra-se, esquematicamente, como os custos das atividades são atribuídos aos produtos e como os custos dos recursos diretos e das atividades do Núcleo Administrativo Financeiro são relacionados a um curso de excel. Também demonstra-se a sistemática de cálculo da lucratividade de produtos e destacam-se os benefícios que, eventualmente, seriam obtidos com a implantação do sistema proposto, cujos principais são: acurácia dos custos dos cursos, indispensável para racionalização e precificação de cursos; visibilidade das oportunidades de redução de custos; apoio à redefinição de processos e auxílio a decisões relacionadas ao fornecimento de cursos para turmas de determinadas instituições (cursos fechados)
Fernandes, Andrino. "ABC-Pro." Florianópolis, SC, 2000. http://repositorio.ufsc.br/xmlui/handle/123456789/79191.
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Este trabalho tem como principal objetivo o desenvolvimento e a utilização do ABC-Pro, um software para o apoio ao ensino da lógica de programação. O ponto fundamental do trabalho é proporcionar facilidades para implementação de programas através de uma representação algorítmica. O aspecto pedagógico também faz parte desta abordagem. O conteúdo descritivo faz uma explanação do domínio do problema e as teorias de aprendizagem. O ambiente permite tratamento de erros numa linguagem apropriada para os iniciantes da programação, bem como possibilita aos alunos os conceitos e definições sobre o conteúdo básico necessário para elaboração de programas. O compilador como núcleo principal do ambiente é a origem de todo o trabalho e devidamente relatado. A aplicação deste trabalho teve como público alvo os alunos do Curso Técnico de Informática do CEFET/SC. Espera-se com este trabalho fornecer uma contribuição ao aluno proporcionando o aprendizado da lógica de programação e para o professor um instrumento que auxilie o acompanhamento e gerenciamento do processo de desenvolvimento cognitivo do aluno.
Dintilhac, Agnès. "Caractérisation du système ADC, permease de type ABC impliquée dans la transformation de Streptococcus pneumoniae, et définition d'un nouveau groupe de transporteurs d'ions métalliques." Online version, 1996. http://bibpurl.oclc.org/web/24916.
Full textDintilhac, Agnès. "Caractérisation du système ADC, perméase de type ABC impliquée dans la transformation de Streptococcus pneumoniae, et définition d'un nouveau groupe de transporteurs d'ions métalliques." Toulouse 3, 1996. http://www.theses.fr/1996TOU30333.
Full textDittmer, Drew E., and Joseph R. Bidwell. "Herpetofaunal Species Presence in Buffel Grass (Cenchrus ciliaris ) versus Native Vegetation‐Dominated Habitats at Uluṟu‐Kata Tjuṯa National Park." Digital Commons @ East Tennessee State University, 2018. https://doi.org/10.1111/aec.12557.
Full textCabanillas, Macias Cristina. "Enhancing the management of resource-aware business processes." IOS Press, 2016. http://dx.doi.org/10.3233/AIC-150656.
Full textSoares, Larissa de Oliveira. "Ethos de Helena no teatro trágico de Euripides (séc. V a.C) : uma análise de Troianas (415 a.C), Helena (412 a.C) e Orestes (408 a.C)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/142515.
Full textComparing the visibility of the female figure in tragedy during the Classic period (508-338 B.C) with the space for the concrete women of Athens in the same period, we come across an interesting contrast, since their participation in public life was restricted to religious ceremonies. Widely represented in ancient literary tradition – in the lines of many poets – Helen‟s figure creates multiple interpretations of her character and blame for the events that triggered the Trojan War. Among the three Athenian tragedians whose compositions were significantly preserved, Euripides was the one who placed the Spartan queen on the scene: in Trojan Women (415 B.C), Helen (412 B.C) and Orestes (408 B.C). Euripides had two rather contradictory characteristics marking his composition: oratory, a male civic tool (a voice); and the female representation, missing body of civic space (a voiceless reality). Thinking about the systematization of speech as civic tool that gets highlighted in the fifth century B.C. in Athens, as well as in comic and tragic representations (an other typical element of the polis civic identity), we can see in Euripides a rich “laboratory” to discuss the paradox of the female representation in tragic space. In this dissertation, Helen is a sample of the female polyhedral representation in tragedy, driving our attention directly to the ethos of Helen, in other words, to the self-image that she projects through her speech in the three plays in wich she appears represented in Euripides.
Kaprálová, Aneta. "Finanční analýza účetní jednotky ABC/Financial Analysis of Company ABC." Master's thesis, Vysoká škola ekonomická v Praze, 2009. http://www.nusl.cz/ntk/nusl-15788.
Full textMartin, Camille. "Stratégies innovantes de bioconjugaison pour des applications en thérapie ciblée et en imagerie." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR3306/document.
Full textThe use of targeted therapies in order to increase the therapeutic window of treatments, especially in oncology, is growing. Immunoconjugates are part of the arsenal of these targeted therapies. Indeed, they aim at delivering, thanks to an antibody directed against overexpressed cancer cell antigens, a highly cytotoxic molecule like auristatins derivatives. The resulting species is called an antibody-drug-conjugate (ADC). By doing so, efficacy of the compound is increased and potential side-effects are limited. Several technologies for grafting the cytotoxic agent to the antibody exist with different levels of homogeneity of the final compound and different levels of difficulty of implementation. Nowadays, technological breakthroughs permit the design of immunoconjugates (ADCs) displaying a controlled drug-to-antibody ratio (DAR) in terms of quantity and position (site-specific)
Köck, Helmuth. "ABC der Geographiedidaktik." Universität Potsdam, 2006. http://opus.kobv.de/ubp/volltexte/2009/3140/.
Full textDahl, Jonas, and Jesper Porelius. "ABC+SCM=Sant?" Thesis, Linköping University, Department of Management and Economics, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5738.
Full textBackground:
Companies of today commonly search to gain competitive advantages throughout different forms of co-operation, one of which is referred to as Supply Chain Management. Although little research has been assigned to the topic of how to manage and control this type of relation, lately a growing number of academics has been arguing that ABC is an appropriate mean of controlling this type of relationships.
Purpose:
The purpose of this thesis is to investigate to what degree the ongoing debate on the use of ABC as a mean of control within SCM correspond to the present theories related to ABC and SCM respectively.
Research method:
The thesis takes it’s starting point within the literature, meaning that the empirical information consists of published articles in the ongoing debate. This information is put in relation to the original theories concerning both topics.
Conclusions:
The results shown in the thesis in some content agrees with the ongoing debate referring to the positive aspects that could result from using ABC as a mean of control within SCM. However the main result of the study is the discovery of a lack of discussion concerning the problems that implementing ABC within SCM might implicate, a fact that we believe contributes to the mainly positive view on using ABC within Supply Chain Management.
Bakgrund
Företag av idag ingår i allt större utsträckning i någon form av samarbete för att på så vis skapa sig konkurrensfördelar på marknaden, en av dessa samarbetsformer går under beteckningen Supply Chain Management. Hur styrningen i denna typ av relation bör se ut är ett relativt outforskat ämne, dock finns det i dagens forskningsdebatt flera forskare som förespråkar ABC-kalkylering som ett lämpligt styrinstrument för denna typ av relationer.
Syfte
Syftet med uppsatsen är att undersöka hur väl den pågående forskningsdebatten gällande användandet av ABC som styrverktyg inom SCM överensstämmer med befintlig teoribildning inom de respektive forskningsområdena.
Genomförande
Studien tar sin utgångspunkt i litteraturen, med detta avses att den empiri som studeras består av publicerade artiklar i den aktuella debatten. Informationen ställs sedan i relation till den existerande teoribildningen inom ABC respektive SCM.
Slutsats
De resultat som framkommer ur studien visar på att den aktuella debatten i vissa avseenden har rätt i de positiva effekter ett ABC-system skulle kunna generera inom SCM. Men vad studien huvudsakligen kommer fram till är att det i forskningsdebatten saknas en ordentlig problematisering av ämnet, vilket enligt oss också förklarar den övervägande positiva syn som föreligger till användandet av ABC inom SCM.
Alfaro, Rojas Veronika Vanessa, Iparraguirre Maria Julia Elizabeth Mazzetti, Correa Pamela Pienira Melendez, Vallejo Naihr Brenda Pachas, and Chavez Rosa Milagros Saldivar. "Multiservicios ABC Workforce." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2021. http://hdl.handle.net/10757/655500.
Full textFor the development of this project market research was carried out to identify the necessity to hire a technical service for each home that brings security and quality about the services it offers. Also, there are job offers for technicians in general. This business model “Multiservicios ABC Workforce” is to market the technical services for the home across its web platform such as electricity, plumbing, locksmithing and painting that will be to carry out by trained and qualified technicians at customer’s home with precautionary measures against COVID-19. In this regard, the services are directed to home segment of NSE A, B and C whose are in the districts of Lima Metropolitana modern that are consumers with a sophisticated and modern lifestyle who value the quality and practicality services. Therefore, home technical service value proposition, it is to deliver jobs that generates safety, guarantee and time-saving experience for the customer. It is also important to mention that technical services for homes will be distributed through the direct channel of customer acquisition by web platform, Google Ad, social networks and real states and condominium administrators. Furthermore, it is a key that the services delivery process must be made in an efficient and timely manner. For that, quotation will be performed first according to customer requirements based on competitive market prices.
Trabajo de investigación
Nilsson, Anna. "ABC med KME." Thesis, Malmö högskola, Lärarutbildningen (LUT), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-29745.
Full textMaňák, Simon. "Ocenění podniku ABC." Master's thesis, Vysoká škola ekonomická v Praze, 2013. http://www.nusl.cz/ntk/nusl-199585.
Full textBaier, Lukáš. "Image společnosti ABC." Master's thesis, Vysoká škola ekonomická v Praze, 2017. http://www.nusl.cz/ntk/nusl-358812.
Full textSandoval, Francia William Junniors, Ocola Zait Deyanira Quenaya, Chirinos Yenny Paola Montenegro, and Simón Nely Basilio. "ABC Service 4." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2017. http://hdl.handle.net/10757/621983.
Full textSchwery, Reginaldo Pereira de Souza. "Sistema de custeio ABC da teoria à prática: projeto Lumina /ABC." reponame:Repositório Institucional do FGV, 1997. http://hdl.handle.net/10438/5641.
Full textOs principais objetivos desta monografia são promover uma revisão bibliográfica sobre a temática Custos, destacando os principais pontos abordados pelos Autores em consonância com a parte prática a ser exposta; relacionar, dentro da bibliografia consultada, as principais teorias e conceitos expostos sobre o Custeio Baseado em Atividades - ABC, no sentido de procurar elementos comuns entre esta temática e o projeto LUMINAI ABC
Amin, A. N. M. Ruhul. "Aspects of Islamic revival & consciousness in Bangladesh 1905 A.C.-1975 A.C." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=124217.
Full textSingh, Daniel. "From ABC to PhD." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-163039.
Full textBredberg, Linus. "Kortdistansradar för ACC-system." Thesis, Linköping University, Department of Science and Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11290.
Full textI denna rapport redogörs för en implementering av fusion mellan kortdistanssensorer. Syftet med denna implementering är att erhålla Stop & Go-funktionalitet till den adaptiva farthållaren som idag finns som tillval i Scanias lastbilar. Adaptiv farthållning, ACC, är en funktion som automatiskt anpassar fordonets hastighet ifall detta kommer ikapp ett annat fordon som färdas långsammare än den inställda hastigheten. Scanias system använder sig idag av en långdistanssensor som ser långt men har smalt synfält. Genom att komplettera denna med kortdistanssensorer, som ser kort men brett, kan önskvärt synfält i närområdet för att säkert kunna implementera Stop & Go-funktionen uppnås. Sensorfusion bygger på principen att två eller fler sensorer som ser samma sak ger en mer korrekt bild av verkligheten än en enskild. Fusionen kan genomföras på många olika sätt. I rapporten beskrivs tre metoder övergripligt; Bayesiska nätverk, auktionsalgoritmen samt Gating. I implementeringen används gatingmetoden.
Initialt implementeras en målspårningsalgoritm med kalmanfilter. Efter uppdatering av sensormjukvaran väljs dock denna bort eftersom sensorernas interna målspårning då anses som tillräcklig. En modell med sensorfusionen och målselekteringen byggs i Simulink och programmeras sedan in i en hårdvaruenhet. Syftet med detta är att kunna utvärdera funktionen i ett prototypfordon. Inledningsvis rapporteras enbart korrelerade mål från modellen. För mer kontinuerlig målföljning, främst i kurvor, implementeras därefter en algoritm som även tar hänsyn till enskilda sensorers observationer. Dessa accpeteras dock först efter en viss valideringstid eftersom denna information har lägre konfidens än korrelerade mål.
Provkörningar visar att målföljningen fungerar väl. En stor svårighet har varit att sålla bort stillastående mål från rörliga, främst i låga farter. Detta eftersom sensorernas hastighetsangivelse har låg precision vilket medför att ett stillastående mål kan rapporteras som ett långsamt rörligt.
In this thesis report an implementation of fusion between short range radars is described. The purpose of this implementation is to obtain Stop & Go functionality for the adaptive cruise control which is offered as an option in today’s Scania trucks. Adaptive cruise control, ACC, is a feature that automatically adapts the vehicle speed if it should catch up to another vehicle moving slower than the desired set speed. For this application Scania today use a long range sensor that has a long but narrow field of view. By complementing this sensor with short range sensors, which have short but wide fields of view, the desired field of view in the short range area can be obtained. This is necessary in order to be able to safely implement the Stop & Go functionality. Sensor fusion is based on the principle that two or more sensors overlooking the same area give a more accurate impression of reality than a single one. The fusion can be conducted in several ways. In the report three different methods are briefly described; Bayesian Networks, the Auction Algorithm and Gating. In the implementation the gating method is applied.
Initially a target tracking algorithm using Kalman filter is implemented. However, after software updates in the short range sensors this algorithm is no longer used. This is because the improved tracking made internally by the sensors is considered to be sufficient, hence making an external tracking algorithm redundant. The sensor fusion and the target selection are implemented in a Simulink model which is later programmed into a hardware unit. The purpose of the latter is to be able to evaluate the functionality in a prototype vehicle. Initially, only associated targets are reported from the model. In order to obtain a more continuous target tracking, mainly while driving in curves, observations made only by single sensors are also considered. However, these measurements have lower level of confidence than the associated targets. Therefore these measurements first have to be validated for a certain period of time before they are approved.
Test runs indicate that the target tracking works as intended. One major difficulty has been to separate stationary targets from slow moving ones, especially in low speeds. This is due to the fact that the sensors’ speed measurements are fairly inaccurate. Therefore a stationary target could be reported as a slow moving one.
Nylander, Åsa. "Sensorfusion för ACC-System." Thesis, Linköping University, Department of Science and Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8341.
Full textGenom att fusionera (sammanföra) data från olika sensorer kan ett resultat uppnås som ger mer än de enskilda sensorerna var för sig. Här utreds vilka sensorer och sensorfusionsmetoder som kan vara aktuella att använda för Scanias adaptiva farthållare (ACC). Den adaptiva farthållaren anpassar det egna fordonets hastighet inte bara till en förinställd hastighet utan även till framförvarande fordons hastighet. Scanias ACC-system använder idag en radar för måldetektering.
Det finns ett antal algoritmer och arkitekturer som passar för sensorfusionssystem beroende på nivån hos sensordatan och användningsområdet. Minstakvadratmetoder kan användas då data ska matchas mot en fysisk modell, ofta med lågnivådata. När tillgänglig data är på den nivån att den används direkt för att fatta beslut kan sannolikhetsmetoder användas. Intelligent fusion består av kognitiva modeller som avser härma den mänskliga beslutsprocessen. Till detta passar data på hög nivå.
Två lösningar, för två olika sensoruppsättningar, har tagits fram. Båda lösningarna är uppbyggda av bayesiska nätverk. Det första nätverket fusionerar data från den befintliga radarenheten med data från en kamera som detekterar vägmarkeringar. Resultaten visar att filbyten kan upptäckas tidigare i och med fusionen. Det andra nätverket använder sig av två radarenheter, den ursprungliga samt en likadan enhet till, vilket resulterar i ett bredare synfält. Nätverket avgör vilka mål hos respektive radar som kan anses vara samma matchade mål. Informationen kan användas för att öka redundansen i systemet samt för att upptäcka mål tidigare än förut.
By fusing data from different sensors a result can be achieved that is worth more than the data from each sensor by itself. Which sensors and sensor fusion methods that could be used in Scania's adaptive cruise control system (ACC) is investigated. The ACC system adapts the vehicle's speed not only to a driver decided set speed but also to the speed of preceding vehicles. Scania's ACC system uses a radar for target detection.
There exists a number of algorithms and architectures fit for use in sensor fusion systems. Which one to use depends on the level of the data to be fused and on the field of application. Least square methods are used when matching data to a physical model, data to be used is often at a low level. When working with data at decision level, probability methods are favored. Another example is intelligent fusion, cognitive methods intending to mimic the human decision process. Suitable data is data at a high level.
Two solutions, for two different sensor sets, are proposed. Both solutions are made out of Bayesian networks. The first one fuses data from the existing radar unit with data from a camera which detects lane markings. The results show that lane changes can be detected earlier thanks to the fusion. The second network uses two radar sensors of the same kind as the first, resulting in a wider field of view. The network decides which ones of each radars targets that are the same matching targets. This information could be used to increase the redundancy of the system and to detect targets earlier.
Gold, Matthew. "Targeting AGC protein kinases." Thesis, Institute of Cancer Research (University Of London), 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.504788.
Full textMarkova, Mariana (Mariana T. ). "Precision hybrid pipelined ADC." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87932.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 205-[208]).
Technology scaling poses challenges in designing analog circuits because of the decrease in intrinsic gain and reduced swing. An alternative to using high-gain amplifiers in the implementation of switched-capacitor circuits has been proposed that replaces the amplifier with a current source and a comparator. The technique has been generalized to zero-crossing based circuits (ZCBC). It has been demonstrated but not limited to single-ended and differential pipelined ADCs, with effective number of bits (ENOB) ranging from 8 bits to 11 bits at sampling rates from 10MS/s to 100MS/s. The purpose of this project was to explore the use of the ZCBC technique for high-precision ADCs. The goal of the project is a 13-bit pipelined ADC operating at up to 100MS/s. A two-phase hybrid ZCBC operation is used to improve the power-linearity tradeoff of the A/D conversion. The first phase approximates the final output value, while the second phase allows the output to settle to its accurate value. Since the output is allowed to settle in the second phase, the currents through capacitors decay, permitting higher accuracy and power-supply rejection compared with standard ZCBCs. Linearization techniques for the ramp waveforms are implemented. Linear ramp waveforms require less correction in the second phase for given linearity, thus allowing faster operation. Techniques for improving linearity beyond using a cascoded current source are explored; these techniques include output pre-sampling and bidirectional output operation. Current steering is used to minimize the overall delay contributing to the first phase error, known as overshoot error. Overshoot error reduction at the end of the first phase improves the linearity requirements of the final phase. Automated background overshoot reduction is introduced though not included on the prototype ADC. A prototype ADC was designed in 1V, 65nm CMOS process to demonstrate the techniques introduced in this work. The prototype ADC did not meet the intended design goal and achieved 11-bit ENOB at 21MS/s and SFDR of 81dB. The main performance limitations are lack of overshoot reduction in the third pipeline stage in the prototype ADC and mid-range errors, introduced by the bidirectional ramp linearization technique, limiting the attainable output accuracy.
by Mariana Markova.
Ph. D.
Bürger, Thomas, and Konstantin Hermann. "Das ABC der SLUB." Michel Sandstein Verlag, 2006. https://slub.qucosa.de/id/qucosa%3A4592.
Full textSolano, Renato da Silva. "Curva ABC de fornecedores." Florianópolis, SC, 2003. http://repositorio.ufsc.br/xmlui/handle/123456789/84623.
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Este trabalho faz uma revisão e busca dar uma contribuição aos gerentes de Planejamento, Programação, Controle e Gerenciamento de Empreendimentos e Obras através do uso das Curvas ABC. O trabalho utilizou 10 empreendimentos de classificação Alta (NBR 12721), incorporados por oito empresas do setor e fez uma análise dos projetos-padrão da NBR 12721. Foi feita a de padronização dos diversos serviços e o orçamento de cada uma das obras numa data base em condições uniformes. As curvas ABC geradas pelo software SICC610 foram reformatadas e reagrupadas visando o objetivo do trabalho que é acrescentar mais uma ferramenta utilitária: a Curva ABC de Fornecedores. A utilidade e abrangência desta curva é mostrada, assim como sua contribuição para a reformulação da NBR 12721.
Tengberg, Carl-Fredrik. "Characterization of an ADC." Thesis, Linköpings universitet, Elektroniska Kretsar och System, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-142901.
Full textBožková, Klára. "Ocenění podniku ABC a.s." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-232781.
Full textSiridhara, Siradol. "AHS Maglev System Architecture." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/29219.
Full textPh. D.
Brůža, Jiří. "Marketingové činnosti firmy ABC." Master's thesis, Vysoká škola ekonomická v Praze, 2006. http://www.nusl.cz/ntk/nusl-738.
Full textIvetac, Anthony. "Computational studies of ABC transporters." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442453.
Full textHuang, Ying. "A.C. electrokinetics of colloidal particles." Thesis, Bangor University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359179.
Full textLee, Hyosung. "DEVELOPMENT OF NOVEL AHR ANTAGONISTS." UKnowledge, 2010. http://uknowledge.uky.edu/gradschool_diss/103.
Full textKong, Shyang Kye. "Parallel delta-sigma ADC architectures /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9938291.
Full textFerreira, Luísa Cristina Bilber. "Ach Brito - Born Again Global." Dissertação, Faculdade de Economia da Universidade do Porto, 2009. http://hdl.handle.net/10216/45326.
Full textCherry, Shirley J. "AEC – Is It All That?" Digital Commons @ East Tennessee State University, 2006. https://dc.etsu.edu/etsu-works/2485.
Full textPohl, Antje Heide. "Lipid transport by ABC proteins." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2002. http://dx.doi.org/10.18452/14784.
Full textIn eukaryotic cells, the lipid species are frequently distributed asymmetrically between the plasma membrane leaflets. Phosphatidylserine (PS), in particular, often exhibits a distinct transverse asymmetry, being restricted almost exclusively to the inner leaflet. In the past years, several proteins were suggested to transport lipids between the leaflets of a membrane, and to potentially influence transverse lipid asymmetry and related cell properties. This thesis focuses on outward transport of fluorescent (C6-NBD-) lipid analogs and endogenous lipids by the Multidrug Resistance 1 P-Glycoprotein (MDR1 Pgp), a member of the ATP binding cassette (ABC) transporter superfamily. Interestingly, MDR1 Pgp has been suggested to exhibit an unusually broad substrate specificity. Here, the anionic PS was of particular concern, although previously reported not to be an MDR1 Pgp substrate. In a human gastric carcinoma cell line (EPG85-257) overexpressing MDR1, outward transport of phosphatidylcholine, phosphatidylethanolamine, glucosylceramide and sphingomyelin analogs via MDR1 Pgp was confirmed using fluorescence spectroscopy. In addition, decreased accumulation of analogs of diacylglycerol and ceramide suggest MDR1 Pgp mediated transport of these lipid species. Upon intracellular labelling with C6-NBD-PS using a novel approach, significantly increased outward transport of this analog in MDR1 overexpressing cells could be attributed to MDR1 Pgp by employing specific inhibitors. In a flow cytometry setup, the exposure of endogenous PS on the outer plasma membrane leaflet was significantly elevated in MDR1 overexpressing cells compared to controls. Reduction of PS exposure by an MDR1 Pgp inhibitor suggests transport of endogenous PS by MDR1 Pgp. Transport of C6-NBD-PS was furthermore characterized here in four additional cell lines of different species and tissue origin with varying synthesis levels of MDR1 Pgp. Besides MDR1 Pgp, the ABC half-size transporter Breast Cancer Resistance Protein (BCRP) is possibly also involved in transport of C6-NBD-PS and in increased exposure of endogenous PS, as found in a BCRP overexpressing EPG85-257 subline.
Pedro, Paulo Sergio. "ABC em companhias de seguros." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/7887.
Full textPavlíková, Petra. "Motivační systém ve společnosti ABC." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2019. http://www.nusl.cz/ntk/nusl-399871.
Full textRůžička, Stanislav. "Strategie společnosti ABC Pojištění, s.r.o." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-135922.
Full textFerreira, Luísa Cristina Bilber. "Ach Brito - Born Again Global." Master's thesis, Faculdade de Economia da Universidade do Porto, 2009. http://hdl.handle.net/10216/45326.
Full text丘家墩 and Ka-tun Yau. "Production and characterization of antisera against 1-aminocyclopropane-1-carboxylate (ACC) synthase and ACC oxidase." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31214800.
Full textYau, Ka-tun. "Production and characterization of antisera against 1-aminocyclopropane-1-carboxylate (ACC) synthase and ACC oxidase /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19740104.
Full textHemmatjou, Hossein. "Modeling of AC arc inside wet snow = Modélisation de l'arc électrique en courant alternatif à l'intérieur de la neige fondante /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.
Full textLa p. de t. porte en outre: Mémoire présenté à l'Université du Québec à Chicoutimi comme exigence partielle du doctorat en ingénierie. CaQCU Bibliogr.: f. [137]-144. Document électronique également accessible en format PDF. CaQCU
Høye, Dag Sverre. "Optimisation of a Pipeline ADC by using a low power, high resolution Flash ADC as backend." Thesis, Norwegian University of Science and Technology, Department of Electronics and Telecommunications, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-8924.
Full textFlash ADCs with resolutions from 3 to 5 bits have been implemented on a transistor level. These ADCs are to be incorporated as the backend of a higher resolution Pipeline ADC. The motivation for this work has been to see how much the resolution of this backend can be increased before the power consumption becomes to high. This is beneficial in Pipeline ADCs because the number of Pipeline stages is reduced so that the throughput delay of the Pipeline ADC is also reduced. All the Flash ADCs are implemented with the same Capacitive Interpolation-technique. This technique was found to have several benificial properties as opposed to other power saving techniques applied to Flash ADCs in a project assignment done prior to this thesis. The results of the simulations show that the resolution of the backend can be increased to 5 bits both in terms of power and other static and dynamic performance parameters.
Frick, Bethany Joan. "Multicultural Considerations in Augmentative and Alternative Communication (AAC) Devices for Culturally and Linguistically Diverse AAC Users." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1585242427166751.
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