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Holtby, Johan. "Autonom UAV". Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-168611.
Pełny tekst źródłaI Abisko Nationalpark finns det ett antal väderstationer. För att på sikt kunna läsa av väderdata från dessa har en quadrocopter-prototyp utvecklats i detta examensarbete. En quadrocopter är en helikopter med fyra rotorer placerade i ett kryss. Quadrocoptern kan navigera autonomt mellan olika GPS-positioner som ges trådlöst via Xbee-moduler. Alla nivåer från källkod, design av elektronik till utformning och tillverkning av chassit har gjorts inom detta projekt. Vid GPS-navigering kan quadrocoptern uppnå en stationär position med en medelvärdesavvikelse mindre än 0.5 meter trots lättare vindar.
Brun, Daniel, i San Khaffaf. "Autonom dryckesautomat". Thesis, KTH, Maskinkonstruktion (Inst.), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230141.
Pełny tekst źródłaUnder de senaste 50 åren har teknologin inom automatiseringökat kraftigt, vilket speglas i dagens samhälle därmånga produkter helt eller delvis är automatiserade. Denfrämsta anledningen till detta är att intresset inom områdetökat i samband med att priser på ingående komponenterminskat.Idag finns det ett stort spektrum av olika komplexa automatiseradeprodukter, men vad denna rapport riktar insig på är att ge en förståelse för grunderna inom ett autonomtsystem och hur denna byggs upp av olika ingåendekomponenter. För att konkretisera detta kommer en autonomdryckesautomat konstrueras, vilken ska fylla ett glasmed en godtycklig form till en given nivå. Syftet med dennarapport är således att konstruera en prototyp som ska konkretiserahur individuella ingående komponenter kan byggaupp ett autonomt system.Detta möjliggörs genom att systemet delas upp i tvåmoduler. I den första modulen ingår en ultraljudssensor ochen peristaltik pump som tillsammans ska fylla glaset medden givna nivån av vätska. Den andra modulen består av enultraljudssensor och en linjäraktuator och dessa används föratt göra systemet mer anpassbar till glas av olika storlekar.Detta upplägg och kombinationen av komponenter kommeratt skapa ett autonomt system genom att koppla sammanmodulerna med hjälp av en mikrokontroller.Systemets prestanda mäts genom att utföra tester påmed hur bra precision systemet kan leverera en önskadmängd vätskenivå till olika glas. Utöver detta test kommerytterligare två individuella tester genomföras på de tvåmodulerna. De utförda experimenten uppnådde godkändaresultat som var inom projektets ramar, men en vidareutvecklingav projektet skulle kunna främja en ökad förståelseav autonoma system samt minska felen.
Richly, Sebastian. "Autonom rekonfigurierbare Workflows". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-88814.
Pełny tekst źródłaRauchfuss, Julia. "Software Review Autobox And Its Use In Dendroecology". Tree-Ring Society, 2011. http://hdl.handle.net/10150/622628.
Pełny tekst źródłaLönnberg, Erika. "Autonom landning med UAV". Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1660.
Pełny tekst źródłaPå SAAB AB pågår projekt vilka har till syfte att utveckla en obemannad flygfarkost (UAV) som komplement till vanliga flygplan, exempelvis Gripen. För att kunna göra detta behöver SAAB samla kunskaper om UAV:er i allmänhet och detta examensarbete är en del i denna process.
Detta examensarbete har utförts hos SAAB AB, avdelningen Future Products i Linköping. Syftet var att ta fram styrlagar som möjliggör autonom landning för en UAV. Även en kortare utredning om vilka sensorer som kan komma att behövas ingick i examensarbetet.
Slutsatserna visar att ytterligare förbättringar behövs innan en autonom landning kan genomföras med den algoritm som tagits fram inom ramen för detta examensarbete. Bland annat behöver man ta hänsyn till turbulens. Vad gäller val av sensorer kan man i början använda sig av standard produkter som är kommersiellt tillgängliga för att reducera kostnaderna i projektet.
At SAAB AB there are projects running whose purpose is to develop an Unmanned Aerial Vehicle (UAV) to be used as a complement to ordinary aircrafts like Gripen. In order to do this SAAB has to collect generic knowledge about UAV:s and this final thesis is a part of this process.
This final thesis has been performed at SAAB AB in the department for Future Products in Linköping. The purpose was to develop control algorithms which makes autonomous landing possible for UAV:s. A brief investigation about which sensors that may have to be used was also performed as a part of the final thesis.
The conclusions show that further improvements are needed before an autonomous landing can be carried out with the algorithm that was developed within the scope of this thesis. Among other things, turbulence must be taken into consideration. Regarding the sensors, it is possible to start out with commercial of the shelf (COTS) products in order to decrease costs in the project.
Steindórsson, Ólafur B. "Kollektivet som autonom agent". Thesis, Linköping University, Department of Culture and Communication, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-58973.
Pełny tekst źródłaKarlsson, Andreas. "Kartering med autonomt fordon". Thesis, Linköping University, Department of Computer and Information Science, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7935.
Pełny tekst źródłaFör att mobila robotar skall kunna arbeta strukturerat krävs det att de har kännedom om hur omgivningen ser ut. Omgivningen kan antingen vara förprogrammerad eller så görs roboten självlärande. På Saab Bofors Dynamics i Linköping arbetas det med en mobil testplattform kallad Freke, som används för att bland annat utveckla och utvärdera navigeringslösningar. Intresse fanns för att vidareutveckla plattformen och få den att klara arbeta i okända miljöer. Ett första steg mot detta mål var att få systemet att kunna rita upp en egen karta utan tidigare kännedom om dess omgivningar.
Uppgiften för det här examensarbetet blev därför att utveckla och implementera ett autonomt system som klarar att navigera och utforska en begränsad omgivning samt att rita upp en karta över densamma. Under litteraturstudien hittades inte någon färdig lösning som gick att applicera på den givna plattformen. Lösningen på uppgiften blev istället att utveckla ett eget system, direkt anpassat för den aktuella plattformen. Hela systemet utvecklades från grunden och implementerades till en praktiskt fungerande lösning.
Plattformen som används består av ett fordonschassi med tre hjul, varav två är drivande och utrustade med pulsgivare som används för att beräkna hur fordonet kör. Plattformen är även utrustad med ultraljudssensorer för att kunna mäta avstånd till närliggande hinder och väggar runt fordonet. Navigeringen sker genom att fordonet följer väggar och detekterar korsningar och öppningar som det senare kan återvända till och utforska vidare. Resultatet av karteringen genereras som en png-bild.
Med den begränsade hårdvara som fanns att tillgå hölls förväntningarna på arbetet relativt låga med ett mål att få fram en tolkningsbar karta. Resultatet blev långt över förväntan med tydliga skalenliga kartor som visar detaljer som ingen trodde skulle synas i resultatet.
Muhieddine, Hassan, i Marcus Dahl. "Sky Oculus - Autonomt spaningsflygplan". Thesis, KTH, Farkost och flyg, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-103730.
Pełny tekst źródłaDahl, Marcus, i Hassan Muhieddine. "Sky Oculus- Autonomt spaningsflygplan". Thesis, KTH, Farkost och flyg, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102946.
Pełny tekst źródłaUnmanned aircraft has been a ever-increasing growing business in the recent years. As technology improves and becomes more accessible the possible applications increase. One field of interest is the use of UAV’s in reconnaissance and surveillance missions. This is a concept study aimed at presenting a viable and ecologically friendly alternative to the helicopters that the Swedish police use but also for other civil applications like the electric companies or the lumber industry. The results is an autonomous and hydrogen-driven aircraft that communicates through cellular networks and that can be controlled with only a laptop and an antenna. The aircraft have a wingspan of 10 m, a cruise speed of 175 km/h and a range of 473 km. The engine is front mounted and converted to run on hydrogen that is stored at 350 MPa in eight different containers placed in the wing and in the body.
Ståhl, Johan. "Kollisionsdetekteringssystem för autonom robot". Thesis, Linköpings universitet, Datorteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119387.
Pełny tekst źródłaSjölander, Erik, i Johan Nordfors. "Avvägningssystem för autonom undervattensfarkost". Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-271537.
Pełny tekst źródłaLindgren, Sanna. "Straffansvar vid autonom bilkörning". Thesis, Uppsala universitet, Juridiska institutionen, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-301824.
Pełny tekst źródłaAlagic, Almir, Johan Henriksson i Jonas Rosengren. "Autonom hjulmodul för skotare". Thesis, KTH, Maskinkonstruktion (Inst.), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-171993.
Pełny tekst źródłaThe purpose of the project was to investigate whether it’s possible to construct a corner module for the propulsion of forwarders. The aim was to show how such a concept could look like and be constructed to be able to work in the forest as well as on common roads. The concept development have mainly been about how a motor, brake and steering can be put together to a module that can fit the limited volume of the rim, but also about how to the module can be fixed to the suspension. After several concepts been tabled, two of those were chosen. One concept to show the zero-point-steering and weight reduction was possible to integrate in the Corner Module 2009. The other concept was chosen to investigate if a solution from electric cars is able to apply on a forestry vehicle. The two concepts were modeled in the CAD-program Solid Edge ST. The first concept, of those chosen, is of a more traditional type. It is a brushless DC electric motor coupled to a planetary drive that rotates the wheel, an electric brake system and a zero-point-steering which is made possible by two electrical motors which by chain-drive rotates the wheel. From that concept it was clear that a large proportion of the modules weight is the weight of the tire. The other components weight one by one is small which leads to the conclusion that a reduction of these components weight is difficult. Especially since they have to be dimensioned for high forces. The other concept is a solution that under the information search showed in the concept cars Siemens VDO and Michelin Hylight. The concept holds a frameless brushless motor, with a rotor directly fixed to the rim. In this concept too is there an electric brake system and the steering is made possible by a linear motor or hydraulic piston. The concept shows that the construction with a frameless brushless motor reduces the modules weight further. It is reduced because the motor makes it possible to use a smaller rim and thereby a smaller tire. Further reduction is possible since the motor is not supposed to need a planetary drive. Since no motor strong enough were found the project stalled.
Spáčil, Tomáš. "Bicí automat pro hudebníky". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220353.
Pełny tekst źródłaFredriksson, Jonas. "Konstruktion av en autonom dammsugare". Thesis, University West, Department of Technology, Mathematics and Computer Science, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-1355.
Pełny tekst źródłaLarsson, Joel, i Patrik Starck. "Konstruktion av en autonom vindstation". Thesis, Uppsala universitet, Fasta tillståndets elektronik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-254990.
Pełny tekst źródłaHrabík, Václav. "Vnímání společnosti AutoCont jako zaměstnavatele". Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-202009.
Pełny tekst źródłaMoravec, Jan. "Přední nezávislá náprava pro autobus". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227878.
Pełny tekst źródłaBjørntvedt, Edgar. "Instrumentering av autonomt ubemannet fly: CyberSwan". Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-10369.
Pełny tekst źródłaMålet med CyberSwan er å lage en generell plattform for et autonomt ubemannet fly. Gjennom arbeidet som er beskrevet i denne rapporten er det kommet frem til et egnet instrumenteringsplattform for CyberSwan. Med instrumenteringssystemet som er beskrevet, styres flyet i utgangspunktet manuelt, men med en bryter på en manuell modellflyradiosender settes flyet i autonom modus. CyberSwan styrer seg selv så lenge denne bryteren holdes inne. Instrumenteringssystemet er bygget rundt en PC/104 plattform som består av en PC/104 CPU enhet med lagring på et 2.0 GB Compact Flash-kort. Det er utviklet et IO-kort til PC/104 enheten som gjør det mulig å koble til IMU, GPS, pitotrør, mottager for manuell styring og seks servoer til alle rorene og fartsregulator i CyberSwan. Strømforsyningen til instrumenteringssystemet er også lagt på dette IO-kortet. Styringssystemet kjøres på PC/104 enheten under Linux. Det er lagt inn programvare som gjør det mulig å overføre filer og starte opp styressystemet over Ethernet. Det er utviklet en plattform i Simulink hvor CyberSwan sitt styresystem kan legges til. Denne plattformen inneholder blokker som kommuniserer med alle IO-enhetene i CyberSwan. Denne plattformen er godt beskrevet sammen med utviklingsmiljøet som ble brukt på arbeidsstasjonen. CyberSwan sin viktigste målenhet er IMU. IMUen gir tilstrekkelig informasjon til at CyberSwan sitt styresystem kan stabilisere flyet mot en gitt retning. Denne IMUen er testet med gode resultater sammen med utviklet pådragsorgan til servoene under autonom flyvning. Det er funnet frem til en GPS-modul som egner seg i CyberSwan. Modulen er liten og enkel å bruke, og den er integrert i plattformen i Simulink. Det er også funnet frem til en trykksensor som egner seg å bruke i et pitotrør for måling av hastighet. Denne målingen er ikke fullstendig integrert i instrumenteringssystemet, men trykkmåleren er testet og det er laget tilkobling til trykksensoren på IO-kortet. Det er laget en mottaksenhet for seks servosignaler som er integrert i plattformen i Simulink. Når en modellflymottager kobles til disse inngangene, får styresystemet tilgang til servopådragene under manuell styring. Styresystemet vil dermed til en hver tid kjenne servoenes posisjon selv under manuell styring. En komponent på IO-kortet fungerer ikke som forventet slik at en ikke får utnyttet det fulle potensiale IO-kortet har. Komponenten gjør at det ikke er mulig å måle manuelle servosignaler fra mottager under autonom flyvning. Dette er ikke kritisk for å kunne fly autonomt, men gir begrenset loggemuligheter og kompliserer bruken av CyberSwan. Denne enheten bør derfor byttes ut med en annen enheten i et eventuelt oppfølgingsprosjekt. Det gjenstår en del arbeid for å fullføre integreringen av alle målingene i CyberSwan sitt instrumenteringssystem, men grunnlaget er lagt og resultatene viser at de delene som er fullført, fungerer som forventet.
Bergman, Jimmy. "Cellulär automat simulerar utbredning av Taraxacum". Thesis, Högskolan i Skövde, Institutionen för vård och natur, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-6354.
Pełny tekst źródłaHössjer, Karl Linus. "Hinderdetektering och kartläggning för autonom robot". Thesis, KTH, Tillämpad maskinteknik (KTH Södertälje), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102444.
Pełny tekst źródłaGotha, Ute R. "Grenzen und Auslegung autonom harmonisierten Wirtschaftsprivatrechts /". Baden-Baden : Nomos-Verl, 2006. http://www.gbv.de/dms/spk/sbb/recht/toc/511976402.pdf.
Pełny tekst źródłaSacerdotti, Franco. "Surface topography characterisation of autobody panels". Thesis, Brunel University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326923.
Pełny tekst źródłaGlenngård, Anton, Sofia Helmersson, Amanda Kessler i Elisabeth Nilsson. "Utformning av Bränslecellsystem för Autonom Undervattensfarkost". Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208753.
Pełny tekst źródłaEngelhardt, Alexander von. "Autolog perfundierte Schweinelungen von Schlacht- und Versuchstieren". [S.l. : s.n.], 2003. http://www.diss.fu-berlin.de/2003/244/index.html.
Pełny tekst źródłaWingqvist, Birgitta, i Mattias Källstrand. "Navigering, sensorfusion och styrning för autonom markfarkost". Thesis, Linköping University, Department of Electrical Engineering, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-5359.
Pełny tekst źródłaThe aim of the Master’s Thesis work is to study and develop algorithms for autonomous travel of a UGV (Unmanned Ground Vehicle). A vehicle for the mounting of sensors has been constructed in order to perform the work. Since the UGV is to be used outdoor in urban areas, GPS can be used. To improve precision and robustness, inertial navigation is used in addition to GPS, since GPS reception is likely to be diminished in such areas. The sensors used for navigation are consequently GPS, magnetometers, accelerometers, gyroscopes, tachometers and ultra sonic sensors measuring distance to be used in detection of obstacles. The system has been implemented in Matlab. Two alternative methods of navigation with sensor fusion have been developed; one is a decentralized method with Kalman filtering using an error model and the other is a centralized particle filter using an all-embracing model of the vehicle. The two methods have been evaluated and compared. Test results show that the two methods perform equivalently.
The autonomous travel is undertaken between predetermined waypoints. In order to steer the vehicle a PID-controller based on the error between heading and its reference value is used. The computation of the reference value is based on position and heading in comparison to the desired path. The system has been tested using different routes and the results show an evident improvement of the precision in navigation compared to using only GPS-data. This holds for both navigation methods. Simulation of collision avoidance using virtual force fields shows satisfying results as well as terrain navigation with coordinate map referencing.
Examensarbetet är en studie i utveckling av algoritmer för autonom förflyttning av en UGV (eng Unmanned Ground Vehicle). För ändamålet har en farkost konstruerats där budgetsensorer för navigering används. Farkosten är tänkt att färdas utomhus i tätbebyggt område och GPS används. För förbättring av noggrannhet och robusthet vid dålig GPS-mottagning används även sensorer för tröghetsnavigering vilket här innebär magnetometrar, accelerometrar, gyron och tachometrar. För hinderdetektering finns avståndsmätande ultraljudssonar. Systemet som tagits fram har implementerats i realtid i Matlab. Två olika navigeringsmetoder med sensorfusion har utprovats; en decentraliserad variant med kalmanfilter som är uppbyggd kring felmodeller och en centraliserad variant med ett partikelfilter som använder en helhetsmodell för farkosten. De båda navigeringsmetoderna har utvärderats och jämförts. Resultat visar att de båda metoderna presterar likvärdigt.
Den autonoma förflyttningen utförs mellan förutbestämda brytpunkter. För att styra farkosten har en PID-regulator baserad på felet mellan kurs och börvärde använts. Börvärdet på kurs baseras på nuvarande position och riktning relativt den önskade färdvägen. Olika körsituationer har testats och resultaten visar en markant förbättring av navigeringsprecisionen jämfört med endast GPS-mätningar för både kalman- och partikelfilter. Simuleringar på vektorfältsstyrning med virtuella kraftfält för att undvika hinder har utförts med goda resultat liksom simuleringar av kartreferenspositionering.
Johansson, Sixten. "Navigering och styrning av ett autonomt markfordon". Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6006.
Pełny tekst źródłaI detta examensarbete har ett system för navigering och styrning av ett autonomt fordon implementerats. Syftet med detta arbete är att vidareutveckla fordonet som ska användas vid utvärdering av banplaneringsalgoritmer och studier av andra autonomifunktioner. Med hjälp av olika sensormodeller och sensorkonfigurationer går det även att utvärdera olika strategier för navigering. Arbetet har utförts utgående från en given plattform där fordonet endast använder sig av enkla ultraljudssensorer samt pulsgivare på hjulen för att mäta förflyttningar. Fordonet kan även autonomt navigera samt följa en enklare given bana i en känd omgivning. Systemet använder ett partikelfilter för att skatta fordonets tillstånd med hjälp av modeller för fordon och sensorer.
Arbetet är en fortsättning på projektet Collision Avoidance för autonomt fordon som genomfördes vid Linköpings universitet våren 2005.
In this thesis a system for navigation and control of an autonomous ground vehicle has been implemented. The purpose of this thesis is to further develop the vehicle that is to be used in studies and evaluations of path planning algorithms as well as studies of other autonomy functions. With different sensor configurations and sensor models it is also possible to evaluate different strategies for navigation. The work has been performed using a given platform which measures the vehicle’s movement using only simple ultrasonic sensors and pulse encoders. The vehicle is able to navigate autonomously and follow a simple path in a known environment. The state estimation is performed using a particle filter.
The work is a continuation of a previous project, Collision Avoidance för autonomt fordon, at Linköpings University in the spring of 2005.
Andersson, Simeon, i Kim Strinnholm. "Autonom omkörning imotorvägsmiljö med Model Predictive Control". Thesis, KTH, Skolan för teknikvetenskap (SCI), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230740.
Pełny tekst źródłaAn important step towards making road transportation safer around the world is the development of autonomous vehicles. In this paper a controller for performing autonomous overtaking at highway speeds using Model Predictive Control (MPC) is designed. The MPC framework is designed and tested in a simulated environment in order to evaluate the performance of the controller. Four different MPC frameworks are developed for generating paths for autonomous overtaking and a Proportional Integral Derivative (PID) controller is formulated for a general comparison. The four MPC frameworks all plan trajectories by introducing constraints; they differ in the way they formulate said constraints. From the simulations we conclude that MPC is a better controller choice than PID for the application of controlling autonomous vehicles because of the usability of MPC, even though they might be equally fast. The benefits and drawbacks of the MPC implementations and their characteristics are discussed, and we conclude that the preferred implementation is a linear sloped edge dynamic constraint where a disallowed area around the leading vehicle is explicitly defined outside of the MPC framework.
Tencer, Peter. "Porovnanie vybraných certifikačných autorít v Českej republike". Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-75796.
Pełny tekst źródłaNilsson, Sofie. "Möjligheter och hinder vid tillämpning av självservice-systemet AutoMat i lanthandel : En designfallstudie av Ulrikas Lanthandel och självservice-systemet AutoMat". Thesis, Linköpings universitet, Interaktiva och kognitiva system, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-174630.
Pełny tekst źródłaVeijola, J. (Jouka). "Kallistuksenvakaajien suunnittelu Formula Student -kilpa-autoon". Bachelor's thesis, University of Oulu, 2018. http://urn.fi/URN:NBN:fi:oulu-201805312203.
Pełny tekst źródłaThe aim of this bachelor’s thesis is to document the procedure of designing new anti-roll bars to a Formula Student race car and to determine some of the fundamental roll-related properties of the vehicle. These properties include among others the roll stiffness of the vehicle and the contribution of the anti-roll bar to the overall roll stiffness. A major portion of the applied theory has been gathered from subject-related literature, and the mechanical properties of the anti-roll bar originate from the fundamental formulas of engineering mechanics. The design revolved mostly around CAD and comparing the properties of the new anti-roll bar to those of the old one. The resulting anti-roll bar is in many ways like the previous version, only a bit lighter and more practical. During the writing phase the relationships between the physical dimensions of the anti-roll bar and its stiffness and durability became evident. The results of this thesis are mostly limited to the automotive industry, but for instance the relationship between the length of the lever arm and the stiffness of a torsion bar can be widely utilized
В, Костецький Р. "МОВА АВТОМАТИЗАЦІЇ ВИКОНАННЯ АДМІНІСТРАТИВНИХ ЗАДАЧ AUTOIT". Thesis, Київ, Національний авіаційний університет, 2015. http://er.nau.edu.ua/handle/NAU/19750.
Pełny tekst źródłaMian, Syed Alexandra. "Engineering wissensbasierter Navigation und Steuerung autonom-mobiler Systeme". [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963973649.
Pełny tekst źródłaLindén, Andrew. "Autonom lokomotion för animerade insekter i Softimage ICE". Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-9503.
Pełny tekst źródłaHolm, Carl-Johan. "Minsökning med obemannad autonom undervattensfarkost och syntetisk apertursonar". Thesis, Försvarshögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-4838.
Pełny tekst źródłaThis thesis studies the military benefits of autonomous underwater vehicle equipped with synthetic aperture sonar conducting mine reconnaissance. The autonomous underwater vehicle and synthetic aperture sonar are compared through system analysis using a reference system within the Swedish Armed Forces. The reference system is a remote operated underwater vehicle with mine hunting sonar. The result is presented as conclusions and recommendations based on the basic capabilities; effect, mobility, endurance, protection as well as the theoretical effectiveness of the system conducting mine reconnaissance.
Tontodonati, Vera. "Gestione termica di pacchi batteria per autobus elettrici". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.
Znajdź pełny tekst źródłaLarsson, Kristina. "Barns perspektiv på framtidens resor med autonom buss". Thesis, Malmö universitet, Institutionen för Urbana Studier (US), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-44455.
Pełny tekst źródłaChildren's mobility and the opportunity to get around the city on their own has decreased and is today limited to a large extent by unsafe traffic situations. Due to their limited independent mobility, children are excluded from the urban space and its facilities. Independent mobility can be related to several dimensions of children's social, physical, mental and cognitive wellbeing. The purpose of the study is to investigate if and in what way autonomous buses can contribute to children's independent mobility and, using children's experiences, provide insights into this before the introduction of autonomous buses in cities and public transport systems. To do so, the two research questions "How can autonomous buses in the transport system contribute to children's independent mobility?"and "What prerequisites are necessary for autonomous buses to contribute to children's independent mobility?" are answered. The survey is based on a case of introduction of autonomous buses in urban environments and to answer the questions three focus groups with students in a primary school were conducted with the aim of gaining the participants' experiences. The results indicate that the introduction of autonomous buses in an urban area can contribute to children's independent mobility in several ways and that the buses have certain characteristics that enable them to be adapted to children's conditions. Insights from the study can contribute to an understanding of in what way, from children's own perspective, independent mobility can benefit from autonomous buses in public transport, and how the service needs to be developed to adapt to this user group when autonomous buses are to be implemented to a greater extent in the city.
Odvářka, Erik. "Motor-generátor s axiálním tokem pro hybridní autobus". Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-233508.
Pełny tekst źródłaSchubert, Robin. "Automatische Bahnplanung und Hindernisumfahrung für ein autonom navigierendes Fahrzeug". Master's thesis, Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200601528.
Pełny tekst źródłaAutomatic path planning is an important prerequisite for various applications in robotics, such as autonomous vehicles or automatic guided vehicle systems. In this thesis, different approaches for path planning are presented. The methods are compared and evaluated, especially considering their ability to handle differential constraints. Then, the concrete implementation of a sampling-based approach using motion primitives is explained. This algorithm is finally expanded to allow dynamic replanning in reaction of unexpected environmental changes. In numerous simulations, the implemented method proves its ability to solve path planning problems under a variety of conditions in a relatively short amount of time. It is only in extremely narrow spaces and highly dynamic environments when the approach fails to generate a solution
Jego, Eric. "Contribution à l'amélioration du confort vibratoire dans les autobus". Dijon, 2008. http://www.theses.fr/2008DIJOS068.
Pełny tekst źródłaThis thesis is a process of analysis and tools development aiming to improve vibratory performance of the power unit of a city bus, taking into account interactions with the structure of the vehicle. Indeed, for the RATP, a better quality of service means today ensuring the comfort of passengers on its city buses. A first step was the acquisition of specific data from the power unit (centre of gravity and dynamic torques) using experimental measurements and various techniques such as stereoscopy. A second step helped analyze the techniques employed in the industry. The parameters studied revealed the need to include such an analysis in a design process. Moreover, these techniques neglect to deal with the interactions with the structure. The use of a tool called spectral radius on a model with 12 degrees of freedom, then on a condensed finite elements model has helped verify that the coupling of the vehicle with the power unit was mainly driven by rigid body modes but also by the first structural modes of the vehicle. These interactions lie in a band of low frequencies sensitive for humans but lower than the frequency of the power train at idle, which can nonetheless lead to an amplification of vibrations in case of excitations due to road. There is also a low, but not negligible, coupling in the frequency of engine at idle or at speed. The spectral range also led to the creation of a tool for numerical approximation of vibrations on the city bus in a length much faster than with a complete model
Soglia, Luca. "Modellazione CAD e ricostruzione virtuale di autobus pubblicitario d'epoca". Master's thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amslaurea.unibo.it/7338/.
Pełny tekst źródłaGörander, Magnus, i Daniel Oppenheim. "Framtida användning av instrumentpanel i en helt autonom personbil". Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-21218.
Pełny tekst źródłaContents of this bachelor’s thesis are written in Swedish. The purpose of this study was to investigate the future use of the instrument panel in autonomous cars. A solution is presented in which the interior resembles a train compartment with seats facing each other around the new instrument panel designed as a multifunctional table. By examining what consumers from four different target groups would want to engage themselves with in a level five autonomous car, features such as monitors, keyboards and storage facilities was included in the new instrument panel. For the gathering of empirical data, qualitative and quantitative methods was used, where both semi-structured interviews and a survey was conducted. Both methods addressed four target groups of consumers: students, families with children, short-distance commuters and traveling salespersons. To collect much information in a short period of time, the methods were performed simultaneously and both methods were used to validate the result. The empirical analysis found common interests between the target groups, in both methods and compiled these into customer requests. The result of the analysis shows, among other things, that passengers in autonomous cars want good opportunities to work, listen to music, dock their phone, laptop or tablet too built-in monitors in the car as well as read and write email. They desired holder for drinks, relief surfaces when eating food as well as refrigerated storage. Interviews with industry experts were conducted to complement with design and safety requirements that, together with customer requests, provided a basis for generating concepts. Before the start of the concept generating phase, a brainstorming was conducted to discuss technical solutions to the desired customer requests. The final concepts were evaluated using the method of Pugh Concept Selection, where they were compared against a reference concept. A winning concept was, after improvements, presented with sketches, product description and a product specification. The work was limited to focusing on meeting customer requests and leaving many requirements for personal safety to future, further development of the concept.
Dočkal, Tomáš. "Řídicí systém pro sestavovací a testovací automat elektroniky autosedaček". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219890.
Pełny tekst źródłaÚšela, Tomáš. "Revolverová hlava pro dlouhotočný automat s elektricky ovládaným indexováním". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-227980.
Pełny tekst źródłaRouš, Jaroslav. "Automat pro výrobu keramických forem pro technologii přesného lití". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229294.
Pełny tekst źródłaTischler, German. "Theory and Applications of Parametric Weighted Finite Automata". Doctoral thesis, kostenfrei, 2008. http://www.opus-bayern.de/uni-wuerzburg/volltexte/2008/2814/.
Pełny tekst źródłaPfeffer, Jeannette. "Die isoliert autolog hämoperfundierte Schweineleber Effekte von Polidocanol und Diklofenac /". [S.l.] : [s.n.], 2002. http://www.diss.fu-berlin.de/2002/204/index.html.
Pełny tekst źródłaHansen, Gunnar. "Autonom och obemannad undervattensfarkost med sjöminröjningsapplikation i ett nätverksbaserat försvar". Thesis, Försvarshögskolan, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-1763.
Pełny tekst źródłaThe main purpose with this thesis is to highlight the tactical and operationalcapabilities with an AUV system, mainly in mine hunting, and show how an AUVsystem can be integrated in a network based defence.The threat and required capabilities are changing as time passes by. The sea mine hasevolved from contact and influence mines to today’s torpedo mines with a greaterperformance. The safety of personnel is important. Network based defence isintroduced. Control over the area of operation is required. With unmanned andautonomous underwater vehicles (AUV’s) it’s possible to meet the required demands.AUV systems with enhanced capability are being developed. The systems needfurther progress in fields like sustainability and autonomy. Sensors in Mine warfareapplications are getting better and better. Hydro acoustic and optical sensors will havebetter capabilities of detecting objects on the seabed. AUV systems in mine huntingapplications will enhance the capabilities of understanding and awareness in militaryoperations. An AUV system can operate, early, hidden and in the frontline in areasthat in the past were unapproachable. This contributes, and makes it possible toconduct joint operations in high tempo.
Avdelning: ALB - Slutet Mag 3 C-upps.Hylla: Upps. ChP T 01-03
Benati, Fabrizio. "Effect of surface topography upon the quality of autobody panels". Thesis, Brunel University, 2003. http://bura.brunel.ac.uk/handle/2438/7404.
Pełny tekst źródłaPovelaites, Jeffrey C. "Characterizing cost and performance of flexibility strategies in autobody manufacturing". Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33618.
Pełny tekst źródłaIncludes bibliographical references (leaves 58-59).
Consumer demand is hard to predict in any industry, let alone the automotive industry. Vehicle manufacturers try to produce according to what their customers want, but if these wants change, the company is faced with lots of unsold cars and a huge changeover cost. In order to help fight the problems of demand variability, automotive manufacturers have begun the move towards plant flexibility. This includes designing vehicles comprised of similar subassemblies and the development of flexible tooling. The hope is that multiple vehicles can be produced on the same line so if demand starts to fluctuate, they can change the production levels of their styles with minimal lead time. There are a number of different approaches to flexible tooling. One approach using programmable robotic repositionable tools (PRRT) is particularly promising because it can handle a large number of styles and requires low style specific reinvestment costs. This thesis examines the PRRT technology as well as other forms of flexible tooling to understand the conditions under which these approaches make the most economic sense.
(cont.) For this project an algorithm was developed to choose assembly tools based on subassembly characteristics, production levels, style counts, and flexibility approaches. The algorithm was connected to an already existing vehicle assembly model and two forms of economic analysis were performed. The first looked at the costs of using PRRT versus other forms of tooling for various product mixes. The second analyzed the potential cost savings when considering product changeover. The results indicated that the initial outlays for PRRTs cannot be justified even for a large number of styles unless multi-generational product changeover is also considered. However, PRRTs provide a cost effective flexible tooling option for plants producing multiple styles when considering product changeovers.
by Jeffrey C. Povelaites.
M.Eng.