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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Effektivisering av plockningsprocess för specialplock : Analys av specialplock i färskvarulager

Åström Aneq, Jasmine, Nilsson, Olivia January 2022 (has links)
The thesis aims to investigate what the picking process looks like in an FMCG (Fast moving consumer goods) company's fresh goods warehouse on site 1 and site 2. Based on theoretical and empirical information, it must be examined which type of picking process is most effective. Different measures of efficiency will also be presented and analyzed. Furthermore, the study aims to study the type of load carrier that is most suitable for use in the special picking in fresh produce stocks. Based on the theoretical and empirical information produced in the study, a result has been produced regarding the two questions posed. Regarding the picking process for fine picking, it is presented that if the picker-to-part method is desired to continue to be used, pick-by-vision should be introduced. The most efficient picking process is achieved by introducing semi / full automation using self-driving vehicles (AGV / AMR). The most suitable efficiency measure for the picking process for special picking is picking rows / hour or the number of orders picked / hour. The load carrier that is most suitable for the special pick is the currently used KPV roller cage. However, measures are required to increase the degree of filling in these, either by having a customer order per shelf or by placing slopes in the roll cage that are counted as individual load carriers. In the longer term, the implementation of SRS-back should be investigated and what investment this would require.
2

Cross-language information retrieval : sökfrågestruktur & sökfrågeexpansion / Cross-language information retrieval : query structure & query expansion

Nyman, Marie, Patja, Maria January 2008 (has links)
This Master’s thesis examines different retrieval strategies used in cross-language information retrieval (CLIR). The aim was to investigate if there were any differences between baseline queries and translated queries in retrieval effectiveness; how the retrieval effectiveness was affected by query structuring and if the results differed between different languages. The languages used in this study were Swedish, English and Finnish. 30 topics from the TrecUta collection were translated into Swedish and Finnish. Baseline queries in Swedish and Finnish were made and translated into English using a dictionary and thereby simulating automatic translation. The queries were expanded by adding all the translations from the main entries to the queries. Two kinds of queries – structured and unstructured – were designed. The queries were fed into the InQuery IR system which presented a list of retrieved documents where the relevant ones were marked. The performance of the queries was analysed by Query Performance Analyser (QPA). Average precision at seen relevant documents at DCV 10, average precision at DCV 10 and precision and recall at DCV 200 were used to measure the retrieval effectiveness. Despite the morphological differences between Swedish and Finnish, none or very small differences in retrieval performance were found, except when average precision at DCV 10 was used. The baseline queries performed the best results and the structured queries performed better in both Swedish and Finnish than the unstructured queries. The results are consistent with previous research. / Uppsatsnivå: D
3

Logistiska effektivitetsmått och dess påverkan på lagerservicenivå : Utvärdering av dimensioneringsmetoder för att uppnå resultatsförbättring

Durlind, Alma, Karlson, Louise January 2021 (has links)
Syfte – Syftet med studien är att bidra till en ökad förståelse för samband mellan effektivitetsmått och lagerservicenivå. För att uppnå syftet har studien dels undersöktklassificeringskriteriums användbarhet i lagerverksamhet, dels olika dimensioneringsmetoders påverkan på effektivitetsmått. För att besvara syftet har två frågeställningar formulerats:(3) Hur kan en artikelklassificering nyttjas för att planera lagerhållning?(4) Hur påverkar olika dimensioneringsmetoder en verksamhets olika logistiska effektivitetsmått? Metod – En fallstudie genomfördes för att verifiera det teoretiska ramverket, där teorier kopplade till ämnesområdet samlats in samt litteraturstudie utförts för att besvara studiens frågeställningar. I genomförandet av fallstudien samlades empiri in med hjälp av historiska data från affärssystemet, vilket tillsammans med teori utgjorde grunden för analysen. Resultat – Studien fann att en flerdimensionell artikelklassificering kan nyttjas som underlag om kriterium utses efter lämpligt ändamål. Av de statistiska metoderna visade SERV2 störst förändring på lagernivåerna och var även den metod som skapade störst effekt på effektivitetsmåtten och därmed genererade störst resultatförbättring. Studienpåvisades en koppling mellan sänkt servicenivå och sänkt kapitalbindning och även mellan sänkt servicenivå och en ökad lageromsättningshastighet. Implikationer – Studien erbjuder en samlad bild på hur en ABC- analys kan tillämpas samt nyttjas för att planera lagerhållning. Vidare erbjuder studien en bild av hur de statistiska dimensioneringsteknikerna kan påverka olika logistiska effektivitetsmått. Studien kan användas som underlag för företaget samt stöd för vidare arbeten och projekt. Begränsningar – Avgränsningar i studien är på verksamhets-, mått och mätprocessnivå. På verksamhetsnivå har följande studie avgränsats till området logistik. På måttnivåberörs de interna mått som bedöms via outboundmåtten. Effektivitetsmåtten sombehandlas är kapitalbindning, servicenivå och lageromsättningshastighet. Forslund & Mattsson (2017) presenterar en mätprocess på fem steg, där studien endast omfattar steg fyra, vilken är ”mäta”. Nyckelord – Effektivitetsmått, Lagerservicenivå, Artikelklassificering, Dimensioneringsmetoder / Purpose – The purpose of the thesis is to contribute to a greater understanding of the correlation between logistics metrics and service level. To fulfill the purpose, the thesis has partly studied the usefulness of criteria for classification in warehouse operations, partly studied the impact of different stock dimensioning methods on metrics. To answer the purpose, two research questions has been formulated:(1) How can an item classification be used to plan inventory? (2) How does different stock dimensioning techniques affect a company’s different logistical metrics?  Method – A case study was conducted to verify the theoretical framework, where theories related to the subject area were collected and a literature study was performed to answer the study's research questions. While conducting the case study, empirical data were collected using historical data from the business system, which together with literature, constituted the groundwork of the analysis. Findings – The thesis found that a double ABC- analysis can be used as a good basis if criteria are chosen with regards to the suitable purpose. Of the statistical methods, SERV2 showed the largest change in inventory levels and was also the method that created the greatest effect on the metrics and thus, generated the greatest improvement in profit. The thesis demonstrated a link between reduced service level and reduced tied up capital, and between reduced service level and an increased inventory turnover rate. Implications – The thesis offers an overview of how an ABC- analysis can be applied and used to plan inventory. Furthermore, the thesis shows how the statistical dimensioning techniques can affect different logistical efficiency measures. The study can be used as framework for the case company as well as support for new projects. Limitations – Delimitations in the thesis are at a business, measure, and measure process level. At a business level, the thesis has been limited to the area of logistics. Where focus is on the internal measurements that are being assessed by outbound measurements. The metrics that are included in the study are tied up capital, service leveland inventory turnover rate, where the tied-up capital is limited to capital in stock. Forslund & Mattsson (2017) present a five-step measurement process, where the thesis only covers step four, which is “measurement”. Keywords – Metrics, Service level, Criteria for classification, Stock dimensioning techniques
4

THE BANK CRISIS FINANCIAL RATIOS : A comparative research of the UK and Sweden during 2006-2010

Winter Söderberg, Cristoffer, Göransson, Stephanie January 2011 (has links)
The credit crunch that started the 9th of August 2007 is generally viewed as the most significant crisis to affect the financial markets and the global economy since the 1930s.The UK financial sector was heavily hit by the crisis which resulted in a dry up in lending and left a black hole in the British banks‟ finances. During the last quarter of 2010 the GDP shank unexpectedly with 0.5 percent from the third quarter which created concerns about going back into the recession. Contrarily, for Swedish economy 2010 was an impressing year with an unexpected GDP growth of 7, 3 percent in the last quarter.The purpose of this study is to analyse how the finance crisis has affected the leading banks‟ performance within the two countries and see whether the differences in values can explain the difference in GDP growth during the last quarter of 2010. The analyse is performed through a financial ratio analysis of the different banks.The final results of the research indicates to that the Swedish banks have been more profitable, have had a more secure and higher quality of lending and more capacity to lower cost related to income than the British banks. The more distinctive negative influence is mostly based on the larger amount of credit losses the British banks had to experience which contributed to their significant decrease in earnings per share which created scepticism on the credit market followed by a severe slowdown in consumption and in GDP growth. Since the credit losses never got to same levels in Sweden as in the UK the scepticism of the Swedish banking system did not affect the reduction in credit use and house prises to the same extent and GDP growth could recover back to normal levels sooner than in the UK.

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