Дисертації з теми "Automobile systems"
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Stertz, Tom. "Needs assessment for development of advanced curriculum in electronic engine management systems." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999stertzt.pdf.
Повний текст джерелаTannehill, Dana E. "The use of a low-fidelity computer simulation in teaching the diagnosis of electronic automotive systems /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9901293.
Повний текст джерелаAzpeitia, Camacho Marcia E. (Marcia Edna). "Common global architecture applied to automobile electrical distribution systems." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59222.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 111-112).
Electrical and electronic components have a prominent role in today's vehicles. Particularly during the last two decades, functionality has been added at an exponential rate, resulting in increased complexity, especially of the Electrical Distribution System (EDS), which is the backbone of the Electrical and Electronic System (EES). Increased content and complexity of electrical systems, together with pressure to reduce the design cycle time - to bring a larger variety of products to the market and at a faster pace - are forcing car companies to re-evaluate their existing electrical development processes. One of the ways that car makers have devised to accomplish this is a common EES architecture strategy, which consists in combining communization, standardization, reusability and best practices to create flexible EES architectural concepts that will be used in a higher number of derivative vehicles. This common architecture has several benefits, the most important being: reduction of development costs and time, which translates in less time for putting the products in the market; architecture, concepts and components reuse; rapid platform modifications, to adapt to market changes and regional preferences. The EES architecture choice for a vehicle is the result of the implementation of the desired functions in hardware and software. Many considerations need to be taken into account: costs, network capabilities, modularity, manufacturing, energy management, weight, among several others. The present work aims to explain these considerations, as well as the elements of the common EES, and in particular their impact on the EDS. Another important aspect for the successful implementation of the common architecture is the EDS development process. Despite the availability of a wide range of software tools, the current EDS approach is intensely manual, relying on design experts to define and maintain the interrelationships and complexities of the core design definition. There is a need to redefine the process, from concept to manufacture using a systems engineering approach, which would yield key benefits, like shorten development time, produce accurate harness manufacturing prints, reduce wiring costs by synchronizing all input and output data. An analysis of the tools and methods for design and validation of wire harnesses will be presented in the last two chapters of this thesis.
by Marcia E. Azpeitia Camacho.
S.M.in System Design and Management
Jiménez, Hernández Angel Mário. "Design for manufacturing systems from automotive industry perspective." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.
Повний текст джерелаNorth, Thomas B. "Liquid Nitrogen Propulsion Systems for Automotive Applications: Calculation of Mechanical Efficiency of a Dual, Double-acting Piston Propulsion System." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc6070/.
Повний текст джерелаRivas, Caicedo Maria Adelina. "Modélisation et contrôle du moteur à allumage commandé pour Euro 6." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT066/document.
Повний текст джерелаThis thesis has been developed thanks to a Conventions Industrielles de Formation par la Recherche (CIFRE)1 agreement, that is a program of the french agency Association nationale de la recherche et de la Technologie(ANRT), coordinated by the Centre nationale de la recherche scientifique (CNRS). The CIFRE program grants the Franch companies who engage a PhD student to carry out a research project of the company within a public research lab. For this thesis, a CIFRE agreement has been accorded between the automobile company Renault France and the scientific laboratories Gipsa Lab in Grenoble and PRISME in Orléans.This thesis is focused on the modeling of a detailed description of the 0D combustion process and the estimation of the enclosed mass in the combustion chamber for a Spark Ignited (SI) engine. The main developments are summarized as follows:- The combustion process is frequently modeled as growing flame inside of the combustion chamber. Many 0D thermodynamical Engine models mostly focus on the laminar characteristics of such a free developing ame, but they lack of a suitable approximation of the combustion when the ame reaches the cylinder walls. In this thesis, a flame-wall interaction model is proposed as a complement of a 0D two zones thermodynamical model.- The estimation of the total mass enclosed in the combustion chamber is an interesting and challenging task for the engine control community. In this thesis, two nonlinear observers are synthesized for the enclosed mass estimation: a classical nonlinear high gain observer and an extended linear parameter varying (LPV) high gain observer.- A controller for a common rail injection system is developed in this thesis. First, an input state linearization of a common rail model is performed, in order to overcome the strong nonlinearities and build a virtual linear model. Using the virtual model, two linear control strategies are implemented to regulate the common rail pressure: an optimal linear quadratic regulator LQR with integral action and an optimal LQR tracking (feedforward) with integral action strategy
Mofid, Kam. "Flexible assembly systems, a case study in the automobile industry." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/24363.
Повний текст джерелаEkman, Rasmus. "Automobile Control Systems : Transition from Controller Area Networks to Ethernets." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148052.
Повний текст джерелаDen negativa påverkan av fossila bränslen har de senaste årtionden haft en negativ på planeten, mängden fossila bränslen över världen konsumeras även i en högre takt än vad som produceras. Därför har fokusen för att finna förnybara energi källor som både är effektiva och inte påverkar miljön på ett negativt sätt ökat. Därför är elbilar en viktig del i konverteringen av enheter som drivs av fossila bränslen till förnybara energikällor. Ett av problemen i en elbil är att energi konsumptionen är inte lika effektiv som fossila bränslen inom bil industrin. Ett sätt att sänka energi konsumptionen är att minska mängden komponenter inom en bil för att minska på vikten, utan att påverka säkerheten och tillförlitligheten. Tidigare har man använt sig av ett CAN system för att försäkra sig om systemet fungerar felfritt i realtid, problematiken med detta system är att när nätverket ökar i storlek så sätter de fysiska begränsningarna av detta system stop för den garanterade säkerheten. Detta kandidatexamensarbete kommer att fokusera på den interna kommunikationen i en elbil med hjälp av ett ethernet baserat kommunkations system över CAN systemet. Power over Ethernet tekinken kommer att tillämpas för de systemen som kan drivas av detta system. Målet är att reducera antalet komponenter som behövs och att garantera säkerheten och tillförlitligheten av den interna kommunikationen när nätverket av komponenter ökar i storlek. Det här kandidatarbetet visar att Ethernet kan ersätta det nuvarande CAN systemet ef-tersom att Ethernet erbjuder låga latenser och hög bandbredd. Detta arbete visar även att Et-hernet är väldigt skalbart och har inte begränsingarna som ett CAN system har.
Ho, Angela Wei Ling. "Integrating automobile multiple intelligent warning systems : performance and policy implications." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/38571.
Повний текст джерелаIncludes bibliographical references (p. 160-167).
Intelligent driver warning systems can be found in many high-end vehicles on the road today, which will likely rapidly increase as they become standard equipment. However, introducing multiple warning systems into vehicles could potentially add to the complexity of the driving task, and there are many critical human factors issues that should be considered, such as how the interaction between alarm alerting schemes, system reliabilities, and distractions combine to affect driving performance and situation awareness. In addition, there are also questions with respect to whether there should be any minimum safety standards set to ensure both functional and usage safety of these systems, and what these standards should be. An experiment was conducted to study how a single master alert versus multiple individual alerts of different reliabilities affected drivers' responses to different imminent collision situations while distracted. A master alert may have advantages since it reduces the total number of alerts, which could be advantageous especially with the proliferation of intelligent warning systems. However, a master alert may also confuse drivers, since it does not warn of a specific hazard, unlike a specific alert for each warning systems.
(cont.) Auditory alerts were used to warn of imminent frontal and rear collisions, as well as unintentional left and right lane departures. Low and high warning reliabilities were also tested. The different warning systems and reliability factors produced significantly different reaction times and response accuracies. The warning systems with low reliability caused accuracy rates to fall more than 40% across the four warning systems. In addition, low reliability systems also induced negative emotions in participants. Thus, reliability is one of the most crucial determinants of driving performance and the safety outcome, and it is imperative that warning systems are reliable. For the master versus distinct alarms factor, drivers responded statistically no different to the various collision warnings for both reaction times and accuracy of responses. However, in a subjective post-experiment assessment, participants preferred distinct alarms for different driver warning systems, even though their objective performance showed no difference to the different alerting schemes. This study showed that it was essential to design robust and reliable intelligent warning systems. However, there are no existing safety standards today to ensure that these systems are safe before they are introduced into vehicles, even though such systems are already available in high-end cars.
(cont.) Even though there are tradeoffs in having standards, such as increased time-to-market and possible loss of innovation, I recommend that safety standards be set nonetheless, since standards will ensure the safety performance of warning systems, to an extent. In terms of functional safety, safety standards should be performance-based, and should specify a minimum level of reliability. In terms of usage safety, the standards should also be performance-based, where driving performance can be indicated by measures such as reaction time, lane position, heading distance and accuracy of responses. In addition, multiple threat scenarios should also be tested. In terms of design guidelines, the various human factors guidelines from different countries should be harmonized internationally to ensure that manufacturers have access to a consistent set of guidelines. Finally, it is also important that these standards, especially for usage safety, specify tests with not just the average driver, but also with peripheral driving populations including novice and elderly drivers.
by Angela Wei Ling Ho.
S.M.
Berry, Thomas Davis. "Experimental analysis of specific auditory-light safety belt reminder systems and safety belt behavior: "prods" or "prompts"." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43833.
Повний текст джерелаMaster of Science
Boyle, Linda T. Ng. "Statistical analyses of traffic advisory systems on driving behavior /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/10174.
Повний текст джерелаRose, James Cooper. "An expert system model of commercial automobile insurance underwriting." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1273149457.
Повний текст джерелаDarkwa, K. "Thermal energy storage (TES) systems involving thermochemical reactions." Thesis, Cranfield University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309836.
Повний текст джерелаKonz, Martin. "A generic simulation of energy consumption of automobile air conditioning systems." Thesis, Port Elizabeth Technikon, 2003. http://hdl.handle.net/10948/129.
Повний текст джерелаKandade, Rajan Vasudev [Verfasser]. "Speech Enhancement in Hands-free Systems for Automobile Environments / Vasudev Kandade Rajan." Aachen : Shaker, 2017. http://d-nb.info/1138176745/34.
Повний текст джерелаKim, Chiwon 1978. "Comparison and optimization of control policies in automobile manufacturing systems by simulation." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/16673.
Повний текст джерелаIncludes bibliographical references (p. 109-110).
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
This thesis studies material flow control policies for automobile manufacturing systems. Various control policies are implemented in simulations of manufacturing systems to test whether they increase the efficiencies of the systems in terms of specific performance measures of interest. Among the control policies, Control Point Policy (CPP) is deeply studied, because this policy is designed for controlling complex manufacturing system with multiple product types. First, fundamental research in CPP is presented to understand the effects of the parameters on single product type manufacturing systems. Then, multiple product type, assembly-disassembly systems are studied with various control policies, including hybrid policies. Finally, a real automobile manufacturing system case study is presented, and various control policies are experimented on in the simulation model. Because the evaluations of performances are done by simulations, the speed of simulation becomes a very important problem. This thesis therefore presents a new approach to accelerating the speed of simulation.
by Chiwon Kim.
S.M.
Kragha, Oghenerume Christopher. "Economic implications of natural gas vehicle technology in U.S. private automobile transportation." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/59686.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 70-75).
Transportation represents almost 28 percent of the United States' energy demand. Approximately 95 percent of U.S. transportation utilizes petroleum, the majority of which is imported. With significant domestic conventional gas resources, optimistic projections of unconventional natural gas resources, and the growing international liquefied natural gas (LNG) market, gas prices are expected to remain lower than oil. While natural gas currently provides approximately 24 percent of the United States' energy consumption, there has been no significant growth in the natural gas vehicle market in the past fifteen years. Natural gas has comparative environmental advantages to gasoline and diesel, with lower CO2 emissions per mega joule of fuel consumption. A natural gas powered vehicle fleet could reduce the country's fuel costs, dependence on imported fuel, and greenhouse gas emissions. To fully comprehend the future role of natural gas vehicles in the United States, all the major technological and market forces affecting the successful deployment of this vehicle technology must be analyzed interdependently under market and energy policy-regulated scenarios. I investigate the potential role of natural gas in transportation using a computable general equilibrium (CGE) model of the global economy that is resolved for the US and other major countries and regions. To do so, I add a dedicated compressed natural gas (CNG) vehicle option to the Emissions Prediction and Policy Analysis (EPPA) Model as an option to the conventional internal combustion engine (ICE) vehicle. The model projects changing prices of fuel and other goods over time, given specification of resource availabilities. With the CNG vehicle specification I am able to evaluate the effect of the CNG option on transportation emissions, oil imports, natural gas use, and other economic indicators. I consider different policy scenarios for the future, including the adoption of a targeted emissions cap policy to see how that affects the competitiveness of CNG vehicles. Several conclusions about the potential role of nature gas vehicles in the United States are drawn from this analysis. First, NG vehicles will reduce household transportation emissions in proportion to their share of the vehicle fleet. Second, stringent emissions policies will stimulate the penetration of natural gas vehicles, but high vehicle costs and infrastructure may hinder their deployment. There is a correlation between increased NG vehicle use and the reduction of oil imports. In the long term, development of cleaner alternative fuels with similar infrastructure to gasoline may hamper CNG vehicle growth.
by Oghenerume Christopher Kragha.
S.M.in Technology and Policy
Wiemeler, Dirk. "Aero acoustic on automotive exhaust systems." Thesis, Lyon, INSA, 2013. http://www.theses.fr/2013ISAL0018.
Повний текст джерелаOn automotive exhaust systems aero acoustic noise is a dominant and critical noise content, which is clearly objectively and subjectively detectable. Robust test procedures are established but the simulation of this noise content has not gained ground in the real life development processes. This thesis shows that the dominating characteristic of the aero acoustic noise of automotive systems is dipole noise. The simulation of these specific noise sources with classical computational areo acoustics is very cumbersome or even just impossible. The aim of the thesis is a review of the scaling law approach for compact source models, enabling the determination of the sound power emission of discret configurations based on empirical data. Application simulations show that the use of these source models is simple and that the accuracy is acceptable within the geometry limits analysed
Shaw, David. "Development of a model for smart card based access control in multi-user, multi-resource, multi-level access systems." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 1999. https://ro.ecu.edu.au/theses/1229.
Повний текст джерелаChen, Chialin. "Prospects fro automobile recycling, an integrated approach of systems dynamics and life-cycle assessment." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/35426.
Повний текст джерелаWennerholm, Karl, and Peter Rosengren. "Design of a vibro-tactile warning system in an automobile application." Thesis, Linköping University, Department of Management and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11824.
Повний текст джерелаIn-vehicle warning systems are today mainly using the visual and auditory channels for presentation. As cars get more and more sophisticated the demand on new ways of presenting information increases. This report investigates if the sense of touch, in form of a vibro-tactile seat is a prospective channel for warning information. To achieve the objectives the tactile seat was developed, implemented and tested in a simulator environment. The final result is a complete tactile seat with a set of warnings which correspond with different critical situations.
The tactile seat made it possible to conduct a simulator-based experiment including comparison with a visual head-up warning presentation. The experiment proved significant difference in discovery distance in the comparison between the no system and the tactile warning system.
The overall conclusion is that a vibro-tactile warning display in the driver’s seat is an excellent way of presenting certain warning information. The tactile channel is especially favorable when fast reaction time is essential. Further work could include designing and testing a combined tactile and visual system.
Joy, Tony. "A Robust QFT Control Approach for Automobile Engine Idle Speed Systems: Modeling, Design and Simulation." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1464794127.
Повний текст джерелаAthavale, Jayati Deepak. "Evaluation of Internal Fin Geometry for Heat Transfer Enhancement in Automobile Exhaust Energy Harvesting Systems." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/54017.
Повний текст джерелаMaster of Science
Surabhi, Suman Reddy. "Traffic responsive signal systems to address rain-related congestion." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008m/surabhi.pdf.
Повний текст джерелаAbdel-Jaber, Fadi Fayez. "Design and implementation of car rental system." CSUSB ScholarWorks, 2001. https://scholarworks.lib.csusb.edu/etd-project/1836.
Повний текст джерелаde, Oliveira Marcelo Gurgel. "An integrated methodology for the evaluation of the safety impacts of in-vehicle driver warning technologies." Diss., Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/19162.
Повний текст джерелаKalakota, Govardhan Reddy. "Hierarchical Partition Based Design Approach for Security of CAN Bus Based Automobile Embedded System." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535382487070314.
Повний текст джерелаKatcoff, Elizabeth. "From plant to dealer : improving route optimization for outbound vehicle distribution at an automobile manufacturer." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/77476.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 78-79).
With rising fuel costs and increasing rates among specialized shipping carriers, cost mitigation in outbound distribution is increasingly important for automobile manufacturers. Many manufacturers have turned to specialized, licensed supply chain software to optimize their distribution network to determine the appropriate path for each product from factory to dealer. While these software programs include robust algorithms for optimizing the network, they are only as strong as the user inputs. To gain maximum value from supply chain software, automotive companies must fully understand the structure of their networks, their costs, and their constraints to ensure that the model is all-inclusive. This paper attempts to understand the distribution model used at Nissan North America by formulating the model algebraically with a linear program. With insights to the model design, we uncover several opportunities for improvement. Specifically, we create a more inclusive objective function by ensuring that all relevant costs are captured so that the model optimizes the "total landed cost." We also highlight several opportunities for increased model flexibility in areas where the model is over constrained -- both in its mathematical constraints and in its structural design. With increased flexibility, supply chain software has more alternative paths in the network to choose from, increasing the opportunity for the program to find a lower cost solution. Lastly, we stress the importance of using the software for scenario analysis to create a more responsive supply chain. When implemented, the improvements presented in this paper yield a cost savings of over $10 million. The principles of the model improvements in this thesis can be applied to distribution optimization in any industry.
by Elizabeth Katcoff.
S.M.
M.B.A.
Kirchain, Randolph E. (Randolph Edward) 1971. "Modeling methods for complex manufacturing systems : studying the effects of materials substitution on the automobile recycling infrastructure." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9692.
Повний текст джерелаIncludes bibliographical references (p. 237-241).
Classically, technical cost models have been constructed using commercial spreadsheet problems. Spreadsheets, however, are not well suited to construct models of industrial systems, especially those where variable configurations of operation steps arc of interest. In light of this, a methodological framework and complementary computer tool were developed to address the existing impediments to system modelinb. This tool parametrizes the components of a system model and of spreadsheet based TCMs. Here, parametrization means creating both data structures which describe each system part and procedures which emulate the behavior and interrelationship of those parts. Using this strategy, a tool was created which successfully permits definition and manipulation of any real configuration, ensures consistent application of model formulae, provides a mechanism for appropriate and conveniently audited linking of variable values, and affords extensive auditing. This modeling tool was applied against a real-world case study of the automobile recycling infrastructure. For this system, concerns exist regarding how it will sustain as vehicles continue to decline in mass and change in composition. To reveal this, a process-based cost model of the automobile recycling system was created and used to I) expose retiring fleet compositions which pose a problem for recyclers and 2) evaluate strategies for using the system's waste, automobile shredder residue (ASR). The system model was run against retired fleets made up of three vehicles: predominantly steel, aluminum intensive, and polymer composite intensive (CIV). Results indicated that the current recycling system maintains profitability except when presented with a 100% CIV fleet. Also, the material value within a vehicle containing an aluminum structure, closures, chassis, and engine block would be sufficient to prompt extensive dismantling, consuming the bulk of the shredder's feedstock. For a similar vehicle without the aluminum chassis, shredders would have to offer 18¢/kg. for hulks, to preserve their profitability. Of the ASR processing technologies investigated, pyrolysis seems the most promising. Pyrolysis achieves profitability at a landfill price of $50/ton. In contrast, mechanical separation and selective precipitation require landfill prices of $70/ton.
by Randolph E. Kirchain Jr.
Ph.D.
Shields, William. "Theory and Practice in the Study of Technological Systems." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/26796.
Повний текст джерелаPh. D.
Frede, Stefan. "The possibility of a flexible wireless 3-D measurement in the modern automobile production." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1203.
Повний текст джерелаChen, Yan. "Spatial Analysis of Fatal Automobile Crashes in Nashville, TN, 2001-2011." TopSCHOLAR®, 2013. http://digitalcommons.wku.edu/theses/1300.
Повний текст джерелаCotard, Sylvain. "Contribution à la robustesse des systèmes temps réel embarqués multicœur automobile." Phd thesis, Université de Nantes, 2013. http://tel.archives-ouvertes.fr/tel-00936548.
Повний текст джерелаGovender, Shawn Prakash. "Achieving successful implementation of lean manufacturing control systems, to achieve world class status, at Ford Motor Componay of Southern Africa." Thesis, Port Elizabeth Technikon, 2002. http://hdl.handle.net/10948/75.
Повний текст джерелаZhang, Duoxing Evans John L. "Real options evaluation of financial investment in flexible manufacturing systems in the automotive industry." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Industrial_and_Systems_Engineering/Dissertation/Zhang_Duoxing_20.pdf.
Повний текст джерелаKorn, Dennis Raymond. "The development of a student-initiated, teacher-guided hypermedia program for automotive computer control systems." CSUSB ScholarWorks, 1997. https://scholarworks.lib.csusb.edu/etd-project/1469.
Повний текст джерелаPintard, Ludovic. "From safety analysis to experimental validation by fault injection - Case of automotive embedded systems." Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/14459/1/Pintard.pdf.
Повний текст джерелаCheikh, M'hand Mohamed. "Etude du canal de propagation radio pour les systèmes embarqués sans fil automobile." Phd thesis, Toulouse, INPT, 2010. http://oatao.univ-toulouse.fr/17847/1/cheikh_mhand.pdf.
Повний текст джерелаMamani, A., G. Quispe, and C. Raymundo-Ibañeez. "Electromechanical Device for Temperature Control of Internal Combustion Engines." IOP Publishing Ltd, 2019. http://hdl.handle.net/10757/656303.
Повний текст джерелаWoo, Seog-hun. "Production systems and employment relations in the Korean automotive industry : a case study of the emergence of a hybrid production system at Kia Motors." Thesis, The University of Sydney, 2000. https://hdl.handle.net/2123/27772.
Повний текст джерелаCridelich, Carine caroline. "Influence of retraint systems during an automobile crash : prediction of injuries for frontal impact sled tests based on biomechanical data mining." Thesis, Besançon, 2015. http://www.theses.fr/2015BESA2009.
Повний текст джерелаSafety is one of the most important considerations when buying a new car. The car has to achievecrash tests defined by the legislation before being selling in a country, what drives to the developmentof safety systems such as airbags and seat belts. Additionally, ratings like EURO NCAP and US NCAPenable to provide an independent evaluation of the car safety. Frontal sled tests are thus carried outto confirm the protection level of the vehicle and the results are mainly based on injury assessmentreference values derived from physical parameters measured in dummies.This doctoral thesis presents an approach for the treatment of the input data (i.e. parameters ofthe restraint systems defined by experts) followed by a classification of frontal sled tests accordingto those parameters. The study is only based on data from the passenger side, the collected datafor the driver were not enough completed to produce satisfying results. The main objective is tocreate a model that evaluates the input parameters’ influence on the injury severity and helps theengineers having a prediction of the sled tests results according to the chosen legislation or rating.The dummy biomechanical values (outputs of the model) have been regrouped into clusters in orderto define injuries groups. The model and various algorithms have been implemented in a GraphicalUser Interface for a better practical daily use
Laubscher, Franciscus Xavierus. "A model to predict the effect of the radiator core and ambient conditions on the performance of the cooling system of a rally car." Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-04172007-110452.
Повний текст джерелаStroud, Trevor. "The development of an integrated model for the implementation of a product data management system at Delta Motor Corporation." Thesis, Port Elizabeth Technikon, 2003. http://hdl.handle.net/10948/224.
Повний текст джерелаWoojin, Kim. "THE EVOLVING DIVERSITY OF CORPORATE SYSTEMS: A COMPARATIVE STUDY ON THE TOYOTA GROUP AND THE HYUNDAI MOTOR GROUP." Kyoto University, 2015. http://hdl.handle.net/2433/202661.
Повний текст джерелаKorremla, Shiva K. Sainoju. "Experimental investigation of steady state heat transfer phenomenon in Pontiac G6 vehicle exhaust system." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.
Повний текст джерелаMarx, Neigel. "Gestion énergétique et dimensionnement des systèmes hybrides multi-pile à combustible et batterie pour application au transport automobile." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCD053/document.
Повний текст джерелаThe electrification of the transportation industry is on the rise. This rise drives the development of new technologies. Although the fuel cell is not a recently developed technology, it benefits from it. However, it is still too expensive and not durable enough compared to the market's expectations. Scientific research has been focused primarily on their management and its ancillaries. Nevertheless, the interest in multistack fuel cell systems has been rising in the community.The energy management and the sizing of multistack system hybrized with a battery is the focus of this thesis. First, the performances of such systems is compared to that of single stack systems. To that end, a study based on the determination of the optimal management strategy depending on the sizing has been completed. The main tool used in this study was optimization through dynamic programming. Results show a significant increase in performance in favor of multistack systems. Then, an online energy management strategy is designed based on Bayesian decision theory. Its goal is to optimize consumption and lifetime by using driver behavior knowledge. This approach has been compared to other energy management strategies and enables performances gains in consumption and lifetime for the multistack system
Jaspart, Marie C. "Emergence in Vehicle Design: Using the Concept of Emergence to Provide a New Perspective on the Creative Phases of the Automobile Design Process." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1275072173.
Повний текст джерелаHan, Yong-Hee. "Dynamic Sequencing of Jobs on Conveyor Systems for Minimizing Changeovers." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4877.
Повний текст джерелаTorres, Sacristan Marc. "Analysis and design of heating systems for advanced automotive Radomes." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/672689.
Повний текст джерелаEl principal propòsit d’aquesta tesis és estudiar com podem aconseguir un sistema d’escalfament transparent per a un Radome. En el context de la tesis, transparent té dos significats diferents però lligats degut als objectius de la recerca. Primer, transparent es refereix a que el sistema d’escalfament no ha de destorbar la radiació electromagnètica del radar. I, segon, i degut a la naturalesa industrial de la tesis, el sistema d’escalfament no ha de se visible per un observador exterior, o, dit d’una altre manera no pot destorbar l’aspecte de la decoració exterior del Radome. Després d’un estudi previ de diferents possible opcions, ens hem centrat en l’ús de Òxids Conductors Transparents (o TCO per les sigles en anglès) per tal d’aconseguir un sistema d’escalfament diferent als que existeixen per escalfar, descongelar i evitar el gel a la superfície dels Radomes utilitzats en alguns vehicles [1],[2],[3]. La manera com hem utilitzat els dipòsits de TCO es poden diferenciar a partir de com d’important és la polarització de la radiació del radar pel sistema d’escalfament, d’aquesta manera podem diferencia dos sistemes d’escalfament: Primer, a partir d’ una capa molt prima amb una resistència per sobre dels 3500 Ohms/quadrat , que és pràcticament invisible pel radar i no requereix cap més procés de dipòsit. En aquest cas el punt més important és que no hi ha cap orientació preferida del sistema ja que la capa és homogènia en tota la superfície. Segon, desenvolupem un sistema amb fils de ITO que no son visibles per l’ull humà col·locats a la superfície del Radome. En aquest cas l’atenuació produïda a la radiació del radar pel sistema d’escalfament estaria entre els -0.1 dB i els -0.2 dB.
Bou, Nader Wissam. "Méthodologie de choix et d'optimisation de convertisseurs d'énergie pour les applications chaînes de traction automobile." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLEM047.
Повний текст джерелаSignificant research efforts have been invested in the automotive industry on alternative fuels and new hybrid electric powertrain in attempt to reduce carbon emissions from passenger cars. Fuel consumption of these hybrid powertrains strongly relies on the energy converter performance, the vehicle energetic needs, as well as on the energy management strategy deployed on-board. This thesis investigates the potential of new energy converters as substitute of actual internal combustion engine in automotive powertrain applications. Gas turbine systems is identified as potential energy converter for series hybrid electric vehicle (SHEV), as it offers many automotive intrinsic benefits such as multi-fuel capability, compactness, reduced number of moving parts, reduced noise and vibrations among others. An exergo-technological explicit analysis is conducted to identify the realistic GT-system thermodynamic configurations. A pre-design study have been carried out to identify the power to weight ratios of those systems. A SHEV model is developed and powertrain components are sized considering vehicle performance criteria. Energy consumption simulations are performed on the worldwide-harmonized light vehicles test cycle (WLTC), which account for the vehicle electric and thermal energy needs in addition to mechanical energy needs, using an innovative bi-level optimization method as energy management strategy. The intercooled regenerative reheat gas turbine (IRReGT) cycle is prioritized, offering higher efficiency and power density as well as reduced fuel consumption compared to the other investigated GT-systems. Also a dynamic model was developed and simulations were performed to account for the over fuel consumption during start-up transitory phases. Tests were also performed on some subsystems of the identified IRReGT-system. Results show improved fuel consumption with the IRReGT as auxiliary power unit (APU) compared to ICE. Consequently, the selected IRReGT-system presents a potential for implementation on futur SHEVs