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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.
21

Project Light : Tillbehör till barnvagnar för ökad synlighet i mörker. / Project Light : Stroller accessory for increased visability in darkness.

Baker, Louisa, Turesson, Julia January 2024 (has links)
Abstract Visibility is crucial to ensure safety and security for both drivers and pedestrians in everytraffic situation, especially during low-light conditions. While Swedish legislationregulates visibility-enhancing equipment for vehicles, trailers, and wheelchairs, there is anotable absence of similar legislation for strollers. This leads to a variation inimplemented visibility measures by manufacturers, sometimes resulting in the exclusionof reflective components. This lack of standardization leaves the responsibility on usersto improve stroller visibility. Thule, a Swedish company specializing in products for active outdoor lifestyles, offers awide range of products, including roof boxes, roof tents, and strollers. Thule's strollerscome with integrated reflectors and are relatively well-equipped compared tocompetitors. However, there is a general perception among users of the need foradditional visibility measures. To address this need, the Thule Group initiated a project led by two engineering studentsspecializing in product development and design at Jönköping University. The studentsconducted the project during the spring semester of 2024 as part of their mechanicalengineering thesis. The company's project goal was: “To develop a generic accessory that can increase the visibility of all Thule strollers indarkness.” The objective was also to develop a visibility-promoting product that seamlesslyintegrates with Thule's design, serving as a complement to their product range. This report presents the entire process of the project, which is based on the DoubleDiamond method. During the project, field observations were conducted with the ThuleUrban Glide 4-wheel, along with a user survey confirming the need for increasedvisibility in darkness. Several concepts and prototypes were developed, resulting in a finalprototype tailored for most of Thule's stroller models. The final prototype is designed as a two-part accessory intended to be mounted on theupper part of the stroller's frame. It includes two optical fiber cables with whiteillumination on the side of the stroller, as well as two red LED lights that illuminate thepath behind the stroller. The prototype demonstrates improved stroller visibility, therebyenhancing safety in traffic areas.
22

Utveckling av applikation för hantering av takbleck - Thule Bracket System (TBS) / Development of application for management of brackets - Thule Bracket System (TBS)

Artursson, Andreas, Petersson, Erik January 2006 (has links)
<p>Thule Sweden AB utvecklar, tillverkar och marknadsför kompletta och funktionella lasthållarsystem för bilar. De erbjuder en mycket stor bredd av olika lasthållare till över 1500 bilmodeller. De tillverkar lasthållare som cykelhållare, boxar, skidhållare, hållare för vattensport och andra tillbehör. För att en bil skall kunna bära en takbox måste det tillverkas en lasthållare som placeras mellan biltaket och takboxen. En del i denna lasthållare kallas för takbleck och dess form tas fram med en speciell takskanner vilken analyserar biltakets form vid kanterna.</p><p>Till detta har en mjukvara tagits fram som Thule kan använda för att söka/lägga till/redigera takbleck, istället för att manuellt söka i en pärm bland 700 olika ritningar. Programvaran var först utvecklad i Microsoft® Visual Studio 2003 (.NET Framework 1.1), men på senare tid omarbetad från grunden i den nyare utvecklingsmiljön Microsoft® Visual Studio 2005 (.NET Framework 2.0).</p><p>Innan programmeringen av mjukvaran sattes igång utformades en kravspecifikation från Thule om vad de ville ha för funktioner i programmet. Denna kravspecifikation har under utvecklingens tid ändrats, både under de möten som hållits och på en speciell webbplats som skapats för återkoppling av programmet (”TBS Felhanterings-center”), i form av buggar/ändringar/annat.</p><p>Förutom en avdelning i rapporten som behandlar hur denna programvara är uppbyggd, vilka problem som uppstod och hur de löstes, finns även teoretisk information om databaser, XML och andra teknologier.</p><p>Resultatet av projektet blev en applikation för hantering av takbleck som kan användas ute i fält (hos kund) utan uppkoppling mot en gemensam databas hos företaget (mot vilken all information synkroniseras). All information som läggs till/redigeras sparas på användarens lokala dator i form av XML som sedan kan synkroniseras mot den gemensamma server-databasen på företaget.</p> / <p>Thule Sweden AB develop, manufacture, and market complete and functional load carriers for cars. They provide a large amount of different load carriers for over 1500 car models. They also manufacture carriers such as bike carriers, roof boxes, ski carriers and water sport carriers. To be able to put a roof carrier on a car, a load carrier must be manufactured and be placed between the car roof and the roof carrier.</p><p>We have developed software that the group of workers at Thule can use to search/add/edit brackets, instead of manually search in a folder containing over 700 drawings. The program was first developed in Microsoft Visual Studio 2003 (.NET Framework 1.1), but has been rewritten in Microsoft’s new develop environment Visual Studio 2005 (.NET Framework 2.0).</p><p>Before we started to write the program, Thule gave us a specification of requirements that contained information of possible functions in the program. The specification of requirements has been changed a couple of times during our work. We have also put up a website where bugs and changes could be reported.</p><p>Except a part in this report, where we describe how the program is built, how we have solved problems, there is also theoretical information about how databases, XML and other techniques work.</p><p>The result of this project became an application, which the personnel at Thule can use while they visit their customers. The saved information can later be synchronised with the server.</p>
23

The ideological dimensions of whale bone use in Thule winter houses /

Patton, A. Katherine B. (Anna Katherine Berenice) January 1996 (has links)
This study attempts to demonstrate symbolic whale bone patterning within 31 Thule winter houses along the southeast coast of Somerset Island, Northwest Territories, Canada. All visible architectural whale bone incorporated within the dwellings was mapped. Trends towards particular patterns of whale bone distribution were demonstrated using Spearman's Rank-order Correlation Coefficient. The potential symbolic nature of such patternings was determined within the context of north Alaskan ethnographic and oral historical sources. The extensive use of whale bone in some Thule entrances suggests that their builders sought to create a distinction between the entrance tunnel and main room, not unlike the Inupiat dwellings in 19th-century Tikigaq. The significance of this architectural phenomenon is rooted in the Inupiat, and to some extent Inuit, association between women, the house and the bowhead whale. It is also suggested that whaling status may be reflected in differential access to bowhead whale bone.
24

Utveckling av applikation för hantering av takbleck - Thule Bracket System (TBS) / Development of application for management of brackets - Thule Bracket System (TBS)

Artursson, Andreas, Petersson, Erik January 2006 (has links)
Thule Sweden AB utvecklar, tillverkar och marknadsför kompletta och funktionella lasthållarsystem för bilar. De erbjuder en mycket stor bredd av olika lasthållare till över 1500 bilmodeller. De tillverkar lasthållare som cykelhållare, boxar, skidhållare, hållare för vattensport och andra tillbehör. För att en bil skall kunna bära en takbox måste det tillverkas en lasthållare som placeras mellan biltaket och takboxen. En del i denna lasthållare kallas för takbleck och dess form tas fram med en speciell takskanner vilken analyserar biltakets form vid kanterna. Till detta har en mjukvara tagits fram som Thule kan använda för att söka/lägga till/redigera takbleck, istället för att manuellt söka i en pärm bland 700 olika ritningar. Programvaran var först utvecklad i Microsoft® Visual Studio 2003 (.NET Framework 1.1), men på senare tid omarbetad från grunden i den nyare utvecklingsmiljön Microsoft® Visual Studio 2005 (.NET Framework 2.0). Innan programmeringen av mjukvaran sattes igång utformades en kravspecifikation från Thule om vad de ville ha för funktioner i programmet. Denna kravspecifikation har under utvecklingens tid ändrats, både under de möten som hållits och på en speciell webbplats som skapats för återkoppling av programmet (”TBS Felhanterings-center”), i form av buggar/ändringar/annat. Förutom en avdelning i rapporten som behandlar hur denna programvara är uppbyggd, vilka problem som uppstod och hur de löstes, finns även teoretisk information om databaser, XML och andra teknologier. Resultatet av projektet blev en applikation för hantering av takbleck som kan användas ute i fält (hos kund) utan uppkoppling mot en gemensam databas hos företaget (mot vilken all information synkroniseras). All information som läggs till/redigeras sparas på användarens lokala dator i form av XML som sedan kan synkroniseras mot den gemensamma server-databasen på företaget. / Thule Sweden AB develop, manufacture, and market complete and functional load carriers for cars. They provide a large amount of different load carriers for over 1500 car models. They also manufacture carriers such as bike carriers, roof boxes, ski carriers and water sport carriers. To be able to put a roof carrier on a car, a load carrier must be manufactured and be placed between the car roof and the roof carrier. We have developed software that the group of workers at Thule can use to search/add/edit brackets, instead of manually search in a folder containing over 700 drawings. The program was first developed in Microsoft Visual Studio 2003 (.NET Framework 1.1), but has been rewritten in Microsoft’s new develop environment Visual Studio 2005 (.NET Framework 2.0). Before we started to write the program, Thule gave us a specification of requirements that contained information of possible functions in the program. The specification of requirements has been changed a couple of times during our work. We have also put up a website where bugs and changes could be reported. Except a part in this report, where we describe how the program is built, how we have solved problems, there is also theoretical information about how databases, XML and other techniques work. The result of this project became an application, which the personnel at Thule can use while they visit their customers. The saved information can later be synchronised with the server.
25

Ladder to rooftop tents : Product development of a new contractable ladder suited for Thule rooftop tents

Gladh, Gustav, Salomonsson, Robert January 2022 (has links)
This thesis report contains the development of a new ladder specifically designed for needs of the rooftop tent users. The project has been conducted by two students wor- king full time over the duration of twenty weeks with the start in mid-January and is a culmination of their education in industrial design engineering at Luleå university of technology. The thesis is a collaboration with Thule which is a Swedish compa- ny specializing in outdoor and transportation products for the active user. Thule’s largest user base are the occasional users, which uses their products once or twice a year. The current ladder used by Thule today is a telescopic solution that is mainly deri- ved from standards concerning contractable ladders and not specifically made for rooftop tent ladder. Thus, it has a lacking usability and is constructed from many dif- ferent parts which makes it unnecessarily complex and heavy. This has led to Thule wanting this project to explore the possibilities of creating a more weight optimized and cost-efficient ladder that can achieve several lengths ranging from 1,5 to 2,5 meters. This while also making it more user friendly and safe while incorporating the company values. Thus, the mission statement reads: “To create a safe, high quality, and easy to use rooftop tent ladder for the occasion- al, recreational user while reducing weight and complexity” The schedule has followed an iterative process influenced by the phases of design thinking, which is to emphasize, define, ideate, prototype, and finally test. This has helped to solve the complex problems by focusing on the users and their needs. To start this off, an extensive analysis of the market competition, users, Thule, and the current ladder was performed to be followed up with more creative methods as bra- instorming and different stages of sketching, aimed to solve the problems that was found. All of which later was constructed to a feasible concept with computer aided design, prototyping methods, and computer renderings. The result is a new rooftop tent ladder with a sliding design, fulfilling most of the project scope as well as solving other problems found in the first phases. The project has also provided Thule with a full-scale, functional mock-up to prove the concept, as well as some recommendations for future work. / <p>Product patent protected by Thule Sweden. Patent office: Germany. Reference number: DE102023100495.6</p>
26

The ideological dimensions of whale bone use in Thule winter houses /

Patton, A. Katherine B. (Anna Katherine Berenice) January 1996 (has links)
No description available.
27

Continuity and Change in Indigenous Copper Technologies of the Arctic and Central Subarctic

Matthew D Pike (9178481) 28 July 2020 (has links)
A dissertation examining technological diversity in Indigenous copper metallurgy of the North American Arctic and Central Subarctic. Variation in technological diversity is assessed cross-culturally, chronologically, and geographically. This is accomplished using diversity statistics to characterize Richness and Evenness of spatiotemporal archaeological assemblages of copper artifacts, performing regression analysis to examine the relationship to the results of a GIS Path Distance analysis that models the cost of acquisition of raw or modified copper, and performing chi-square tests of independence to compare assemblages inter-regionally and temporally. Portable X-Ray Fluorescence was utilized to discriminate geologically pure copper from smelted trade copper and a comprehensive typology of copper artifacts was created using a compiled database of known copper artifacts from across the North American Arctic and central Subarctic. Inter-regional, chronological, and cross-cultural differences in technological diversity were identified and implications for Arctic and Subarctic archaeology and technological innovation are discussed.
28

The Role of Selectivity on Alaskan Fuel Management Strategies

Crawford, Laura J., Dr January 2020 (has links)
No description available.
29

Lifting aid for roof top tents : Produktutveckling med ergonomi / Lyfthjälpmedel för montering av taktält

Svensson, Daniel, Rönneke, William January 2024 (has links)
This thesis focuses on the development of a lifting device for roof mounted tents at the requestof Thule with the focus on improving the ergonomics during installation and removal of roofmounted tents on vehicles, while also enabling the process for one to two users. The work isstructured according to the Double Diamond model and uses established product developmentmethods to ensure a systematic process.The preliminary study consists of an analysis of ergonomic risk factors during heavy liftingusing the Swedish Work Environment Agency's (Arbetsmiljöverket) assessment template andRapid Upper Limb Assessment (RULA). These tools were used to evaluate current users ownsolutions for lifting roof mounted tents.After screening and selecting developed concepts, an existing plasterboard lift was modified tocreate a prototype. Modeling work was carried out in SolidWorks, where various componentsand modifications were visualized and tested before being integrated into the plasterboard lift.The final prototype integrates functions that enable tilt and lifting of the roof tent, whichreduces the need for manual lifting and thus the risk of physical damage because of overloadsas well as minimizing needed storage space.The prototype was tested and evaluated where the results showed an improvement inergonomics and ease of use during lifting, facilitating movement of roof mounted tents betweenvehicles and storage while being able to be stored together with the tent with minimal impacton space requirements.Lastly, the work suggests further strength tests and investigation of better suited lift functionsfor future development to improve safety and lifting device efficiency. / Detta examensarbete fokuserar på utvecklingen av en lyftanordning för taktält på begäran avThule med huvudfokus att förbättra ergonomin vid på- och avmontering av taktält på fordonoch förenkla momentet för en till två personer. En framtagen lösning ska även bidra till minskadbränsle- och energiförbrukning för fordonet då det ska vara enklare och mer inspirerande attmontera av taktältet från fordonet när det inte är planerat att användas.Arbetet är strukturerat enligt Double Diamond-modellen och använder etableradeproduktutvecklingsmetoder för att säkerställa en systematisk process.Förstudien består av analys av ergonomiska riskmoment vid tunga lyft med hjälp avarbetsmiljöverkets bedömningsmall och Rapid Upper Limb Assessment (RULA). Dessa verktyganvändes för att utvärdera nuvarande användares egna lösningar för lyft av taktält. Eftersållning och val av framtagna koncept modifierades en befintlig gipsskivlyft för att skapa enprototyp. Modelleringsarbete utfördes i SolidWorks, där olika komponenter och modifieringarvisualiserades och testades innan de integrerades i gipsskivlyften. Den slutliga prototypenintegrerar funktioner som möjliggör ”tilt” och lyft av taktält vilket minskar behov av manuellalyft och därmed risken för fysiska skador som konsekvens av överbelastningar.Prototypen testades och utvärderades där resultaten visade en förbättring av ergonomi ochanvändarvänlighet under lyft av taktält, underlättar förflyttning av taktält mellan fordon ochförvaring samtidigt som den kunde förvaras tillsammans med taktält med minimal påverkanpå krav av utrymme.Sammanfattningsvis föreslår arbetet ytterligare hållfasthetstester och undersökning av bättrelämpade hissfunktioner för framtida utveckling för att förbättra säkerheten ochlyftanordningens effektivitet.

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