Дисертації з теми "Non-automotive"
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Dutka, Arkadiusz Stanisław. "Non-linear identification, estimation and control of automotive powertrains." Thesis, University of Strathclyde, 2005. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24339.
Повний текст джерелаWhitelaw, David Stuart. "Droplet atomisation of Newtonian and non-Newtonian fluids including automotive fuels." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266620.
Повний текст джерелаBorwankar, Raunak. "Optical Non-Destructive Surface Inspection and Automatic Classification of Cast Iron Automotive Part." Digital WPI, 2017. https://digitalcommons.wpi.edu/etd-theses/1229.
Повний текст джерелаDidonè, Marco. "Advanced Non-Destructive Inspections focused on composite materials application for the automotive and marine sectors." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Знайти повний текст джерелаColeman, Alastair Sean. "An examination of the effects of non-ideal operating conditions on the performance of automotive waterpumps." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0017/MQ58004.pdf.
Повний текст джерелаPfleging, Bastian [Verfasser], and Albrecht [Akademischer Betreuer] Schmidt. "Automotive user interfaces for the support of non-driving-related activities / Bastian Pfleging ; Betreuer: Albrecht Schmidt." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2017. http://d-nb.info/1130656977/34.
Повний текст джерелаThiyagarajan, Prasanna B. "Non-linear finite element analysis and optimization for light weight design of an automotive seat backrest." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1233080753/.
Повний текст джерелаAlmquist, Arne J. "The Adoption and Use of Electronic Information Resources by a Non-Traditional User Group: Automotive Service Technicians." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5301/.
Повний текст джерелаMartin, Lucy. "Non-automotive manufacturing in the Eastern Cape: a study of the sector's decline and possible policy solutions." Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/6834.
Повний текст джерелаTaljaard, Jacob Johannes. "Improving job performance by using non-monetary reward systems to motivate low-skilled workers in the automotive component industry." Thesis, Port Elizabeth Technikon, 2002. http://hdl.handle.net/10948/131.
Повний текст джерелаAl-Jader, Mohamad Aqeel. "Investigation of spot welding electrode tip wear and a non-destructive test of plastic joining in the automotive industry." Thesis, Liverpool John Moores University, 2014. http://researchonline.ljmu.ac.uk/4445/.
Повний текст джерелаDuan, Chengwu. "Dynamic analysis of dry friction path in a torsional system." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1092672620.
Повний текст джерелаTitle from first page of PDF file. Document formatted into pages; contains xxiv, 200 p.; also includes graphics (some col.). Includes bibliographical references (p. 196-200). Available online via OhioLINK's ETD Center
Nara, Kameswara R. "Analysis of non load bearing two component (2K) adhesives; under the automotive hemming process variations; thermogravimetric, calorimetric and composition analyses." Connect to this title online, 2008. http://etd.lib.clemson.edu/documents/1219861632/.
Повний текст джерелаWalkingshaw, Jason Robert. "An investigation into the impact of stator vane tip clearance location & non-conventional turbine rotor designs for automotive applications." Thesis, Queen's University Belfast, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.603481.
Повний текст джерелаKim, Tae-Chung. "Analysis of Clearance Non-linearities and Vibro-impacts in Torsional Systems." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1053634349.
Повний текст джерелаLundin, Hjalmar. "Using non-kinematic information to reduce the complexity of data association : A multi-sensor, multi-target association algorithm for automotive applications." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190206.
Повний текст джерелаSonje, Abhijit Ravindra. "Experimental and finite element investigation into the effects of manufacturing variability on the dynamic response of a bolted interface between a bracket and a thin-walled sheet metal structure." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1546418059243072.
Повний текст джерелаMerotte, Justin. "Contribution a l'étude des matériaux composites renforcés par des fibres végétales aiguilletées." Thesis, Lorient, 2017. http://www.theses.fr/2017LORIS444.
Повний текст джерелаProposing solutions to produce more efficient and environmentally friendly automotive parts has become a major challenge for tier one suppliers. The work described in this thesis is about understanding and improving composite materials made with commingled plant fibre nonwovens. From the same initial nonwoven, it is possible to obtain very distinct material structures by controlling porosity content. One can then give to the material enhanced acoustic properties with high porosity content (50%) or in the contrary show good mechanical properties by limiting porosities. Material structure will evolve with porosity as well as its mechanical behavior. Thus, as function of porosity, interfacial adhesion of fibre mechanical properties will govern composite mechanical properties. Biocomposite automotive parts are exposed to a large range of climatic environments and their mechanical properties can vary significantly. Indeed, radial stresses are drastically influenced by the reinforcement hygroscopic state. Finally, the idea developing an innovative material structure from compression moulding wastes has helped enhancing material rigidity
Gendre, Félix. "Développement de méthodes de Boltzmann sur réseau en maillages non-uniformes pour l'aéroacoustique automobile." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0196/document.
Повний текст джерелаThe main goal of this work is to study the capacities of the Lattice Boltzmann Method in a constrained numerical framework : that of numerical simulation in automotive aeroacoustics with non-uniform meshes, at high Reynolds number and non egligible Mach number (Ma > 0.1). The industrial problem is the computation of the interior aerodynamic noise, which includes as its first decisive step the computation of the unsteady wall pressure field on the car windows. It was observed that a lack of precision on the weak acoustic part of the total pressure field on the driver-side window, which is most probably due to errors at mesh refinement interfaces, caused an overestimation of the interior noise. We first present a coherent and unified construction of the Lattice BoltzmannMethod from the Boltzmann equation, in an athermal weakly compressible framework. Then, we study in details the aeroacoustic properties of the LBM by reviewingall the main families of collisional operators that exist in the literature. A variant of multiple relaxation time operator that can be used for aeroacoustics is presented and tested. A simplified alternative selective filter, fast and compact, is developped and numerically validated. The problem of non-uniform meshes is discussed. An exhaustive review of the LBM studies that have been carried out within that framework shows that none of them corresponds to our constraints. Alternative transition nodes algorithms are developed. Finally, all the developed models of this work are applied to industrial cases
Jefremow, Mihail Verfasser], Doris [Akademischer Betreuer] [Schmitt-Landsiedel, and Heinrich [Akademischer Betreuer] Klar. "Power Efficient and Robust Sense Amplifiers for Embedded Non-Volatile Memories in High-Speed Microcontrollers for Automotive Applications / Mihail Jefremow. Gutachter: Heinrich Klar ; Doris Schmitt-Landsiedel. Betreuer: Doris Schmitt-Landsiedel." München : Universitätsbibliothek der TU München, 2014. http://d-nb.info/1063724074/34.
Повний текст джерелаHandschuh, Michael James. "A Methodology to Establish Scuffing Limits for Lubricated Point Contacts Subject to Sliding." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1543264619849807.
Повний текст джерелаSharifimehr, Shahriar. "Multiaxial Fatigue Analysis under Complex Non-proportional Loading Conditions." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1544787705876488.
Повний текст джерелаMurali, madhavan rathai Karthik. "Synthesis and real-time implementation of parameterized NMPC schemes for automotive semi-active suspension systems." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALT052.
Повний текст джерелаThis thesis discusses the synthesis and real-time (RT) implementation of parameterized Nonlinear Model Predictive Control (pNMPC) schemes for automotive semi-active suspension systems. The pNMPC scheme uses a black-box simulation-based optimization method. The crux of the method is to finitely parameterize the input profile and simulate the system for each parameterized input and obtain the approximate objective and constraint violation value for the pNMPC problem. With the obtained results from the simulation, the input with minimum objective value or the least constraint violation value is selected and injected into the system and this is repeated in a receding horizon fashion. The method was experimentally validated on dSPACE MicroAutoBoX II (MABXII) and the results display good performance of the proposed approach. The pNMPC method was also augmented to parallelized pNMPC and the proposed method was implemented for control of semi-active suspension system for a half car vehicle. This method was implemented by virtue of Graphic Processing Units (GPUs) which serves as a paragon platform for implementation of parallel algorithms through its multi-core processors. Also, a stochastic version of the parallelized pNMPC method is proposed which is termed as Scenario-Stochastic pNMPC (SS-pNMPC) scheme and the method was implemented and tested on several NVIDIA embedded boards to verify and validate the RT feasibility of the proposed method for control of semi-active suspension system for a half car vehicle. In general, the parallelized pNMPC schemes provide good performance and also, fares well for large input parameterization space. Finally, the thesis proposes a software tool termed “pNMPC – A code generation software tool for implementation of derivative free pNMPC scheme for embedded control systems”. The code generation software (S/W) tool was programmed in C/C++ and also, provides interface to MATLAB/Simulink. The S/W tested for variety of examples both in simulation as well as on RT embedded hardware (MABXII) and the results looks promising and viable for RT implementation for real world applications. The code generation S/W tool also includes GPU code generation feature for parallel implementation. To conclude, the thesis was conducted under the purview of the EMPHYSIS project and the goals of the project align with this thesis and the proposed pNMPC methods are amenable with eFMI standard
Losero, Rémi. "Contrôle en couple et en vitesse du glissement d'un embrayage simple ou double dans une transmission automobile." Thesis, Valenciennes, 2016. http://www.theses.fr/2016VALE0005/document.
Повний текст джерелаThis PhD has been done in an industrial framework with the so-called automotive equipment manufacturer Valeo and the laboratory of Automatic Control, Mechanics, Informatics and Human Sciences LAMIH UMR CNRS 8201 of Valenciennes, France. The issues of this PhD are closed to the industrialization context such as the clutch torque estimation during the gear shifting phases in a dual clutch transmission and the clutch slip speed control. In order to solve the inline clutch torque estimation issues, a virtual torque sensor has been developed. On one hand, this virtual sensor is composed of a shaft torsion angle estimation based on a method of virtual tooth adding into the encoder sensors. On another hand, discrete angular domain unknown input Takagi-Sugeno observer is used for the estimation of the dynamic part of transmitted torque. This methodology has permitted the estimation of the transmitted clutch torque of a dual clutch transmission in simulation. The simulation results have been obtained on a simulation platform provided by Valeo, including a complete vehicle model. The methodology has also been tested on real data of a dual mass flywheel angular deflection. Thus, online estimation of instantaneous acyclic engine torque and transmitted clutch torque has been obtained. Concerning the slip control, a robust control strategy against the external disturbances leaded to the driver and the system parameters incertitude has been developed. This strategy permits to ensure the required specifications in simulation. The strategy has been also validated on vehicle during track trials
Abakar, Issakha Souleymane. "Algorithms for the detection and localization of pedestrians and cyclists using new generation automotive radar systems." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S159.
Повний текст джерелаIn response to the persistently high number of deaths provoked by road crashes, the automotive industry has promoted safety as a major topic in their global activity. Automotive radars have been transformed from being simple sensors for comfort vehicle, to becoming essential elements of safety standard. The design of new generations automotive radars has to face various constraints and generally proposes a compromise between reliability, robustness, manufacturability, high-performance and low cost. The main objective of this PhD thesis is to design algorithms for the detection and localization of pedestrians and cyclists using new generation automotive radars. We propose an optimal non-uniform antenna array architecture and some high resolution spectral estimation methods to accurately estimate the position of objects from the direction of arrival (DOA) of their responses to the radar. These techniques are adapted to the proposed antenna array architecture and the performance is evaluated using both simulated and real automotive radar data, acquired in the frame of specific scenarios. We propose a collision target detector, based on the orthogonality of angle-Doppler subspaces, whose main goal is to identify lateral targets, whose trajectory features represent potentially a danger of collision. A target attribute calculation method is also developed and classification algorithm is proposed to classify pedestrian, cyclists and vehicles. This classification algorithm is evaluated and validated using real automotive radar data with several scenarios
Carvalho, Cassius Vinicius de. "A extrafiscalidade e os seus reflexos para a atividade empresarial e para o poder Público na perspectiva do setor automotivo." reponame:Repositório Institucional do FGV, 2018. http://hdl.handle.net/10438/22058.
Повний текст джерелаApproved for entry into archive by Thais Oliveira (thais.oliveira@fgv.br) on 2018-04-24T18:29:50Z (GMT) No. of bitstreams: 1 Dissertação Cassius Vinicius de Carvalho-23-04-2018-final.pdf: 1533912 bytes, checksum: d74c934947204f5eac8bb4e696ce97e1 (MD5)
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A presente pesquisa propõe-se a contribuir com o estudo prático da extrafiscalidade no Direito Tributário brasileiro, com foco nas medidas extrafiscais adotadas pelo Poder Público no âmbito do setor automotivo, para o período compreendido de 2009 a outubro de 2017. Mais especificamente, o objetivo da pesquisa está adstrito à análise quanto ao nível de efetividade das normas preponderantemente extrafiscais, que suportaram a desoneração do IPI para o setor automotivo no período em exame. Inicialmente, buscou-se compreender o instituto, a partir do histórico das teorias de intervenção do Estado na perspectiva da extrafiscalidade para, a partir daí percorrerem-se os seus contornos jurídico-tributários, espécies, instrumentos de controle e abordagem no direito comparado. Subsequentemente, foi estudada, a importância do setor automotivo para o desenvolvimento econômico brasileiro, desde o início do século passado, para, por fim, analisarem-se os reflexos e o nível de efetividade das normas preponderantemente extrafiscais no bojo da pesquisa. A relevância do tema e a hipótese de pesquisa comprovaram-se no decorrer do texto, com a conclusão de que as normas preponderantemente extrafiscais não surtiram, em sua totalidade, para o caso em análise, os reflexos almejados pelo Poder Público – e igualmente esperados pelo contribuinte.
The purpose of the present research is to contribute to the practical study of the non-fiscal purpose tax law from a Brazilian tax perspective, with focus on the non-fiscal purpose tax laws that were introduced by the Public Sector in the context of the automotive segment, for the period from 2009 until October, 2017. More specifically, the objective of the research is restricted to the analysis of the level of effectiveness of the non-fiscal purpose tax laws that supported the decrease of the IPI in the automotive sector, for the period under analysis. Initially, the non-fiscal purpose tax law institute was comprehended with the support of the historic of the economic theories of intervention, and, as from this point on, the institute was studied in the context of its legal-tax aspects, types, instruments of control and approach in the comparative law. Subsequently, the research was centralized in the study of the relevance of the automotive sector in the development of the Brazilian economy, since the beginning of the last century. Finally, the reflexes and the level of the effectiveness of the non-fiscal purpose tax laws in the context of the automotive sector were evaluated. The relevance of the theme and the hypothesis of research were proved along the text, with the conclusion that the non-fiscal purpose tax laws did not reach, in its totality, for the case under analysis, the effects desired by the Public Sector - and expected by the taxpayers.
Weise, Victoria Louise. "Ultrasonic techniques for adhesive bond examination of production automotive structures." Thesis, Keele University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263198.
Повний текст джерелаOliver, Serna Clara. "Vibroacoustic analysis of car door and window seals." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEC023.
Повний текст джерелаCar door and window seals have been proven to be of utmost importance to reduce aerodynamic noise, both through direct transmission and through their role as boundary conditions of the other transmitting elements (car doors and windows). As consequence, their design has become of great relevance when it comes to passenger comfort optimization. However, the traditional method for their conception, based on a trial and error approach through wind-tunnel testing, has been found to be insufficient and costly. A different approach is contemplated in this dissertation, through the development of a model capable of predicting sound transmission through seals and into the vehicle cavity, for its subsequent application into an optimization procedure. Several difficulties arise from the modeling of car door and window seals. Indeed, the door closure imposed on the door seal before any acoustic excitation, as well as the hyperelasticity of the rubber lead to a non-linear deformation behavior. This behavior changes the seal properties (e.g. stiffness) which have to be modeled under acoustic excitation. Additionally, the interaction of the transmitted sound with the vehicle cavity must be taken into account. However, the small, precise geometry of the seal would call for an approach such as FE method, whereas the big dimensions of a vehicle cavity demand a much coarser approach so that the problem doesn’t become unmanageable in size. The solution that is proposed in this dissertation, implies the creation of an hybrid model capable of modeling the seal and the vehicle cavity separately, with the most adequate approach to each case, and coupling them afterward into a single model. As consequence, the hyperelastic and viscoelastic behaviors of the seals, prior to and during the acoustic excitation, are modeled through FE software ABAQUS, whereas an energy method called Méthode Energétique Simplifiée is used for the propagation ´ of the sound from the seal to the rest of the cavity. This method, improved to better suit the requirements of the discussed application, and coupled to the results of the FE model, allows a fast and local computation of the sound pressure level at any point inside the cavity. Finally, some experimental tests are put in place for the validation of the models. The different setups and results are detailed in this dissertation
El, Helou Rayan. "Agent-Based Modelling of Pedestrian Microscopic Interactions." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1469074726.
Повний текст джерелаJackson, Robert Lee III. "The wear and thermo-elastohydrodynamic behavior of thrust washer bearings under non-axisymmetric loads." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5230.
Повний текст джерелаChretien, Benoît. "Simulation of a new automotive concept based on a centralized approach for driver assistance system activation decision." Thesis, Evry-Val d'Essonne, 2012. http://www.theses.fr/2011EVRY0033.
Повний текст джерелаNowadays, to enhance traffic safety, more and more Advance Driver Assistance Systems (ADAS) are embedded in mass-production vehicles. Their increase renders development of vehicles more and more complex, especially to design Electronic and Electric (E/E) architecture, to synchronize the different embedded ADAS and decide which ADAS should be engaged. To cope with E/E architecture issues, my PhD thesis proposes a vehicle simulator, which is able to support architect designers. Then, to solve synchronization and decision problems, ADAS architecture has been chosen, according to the state of the art. Finally, a decision algorithm has been developed to optimise vehicle safety. To model the vehicle, a simulator emulates its plane motion according to embedded actuators acting on dynamic, like engine and brakes. Once the vehicle basis has been performed, I focus my work on ADAS. Because nowadays no generic solution exists to decide which ADAS to engage, last focus of my PhD has been the design of a decision method, optimizing vehicle safety. This latter couples a path-planning witch a Lyapunov invariant set, obtained through optimization problem constraints by bilinear matrix inequality. This strategy enables to assess embedded ADAS-functions and to warn the driver in critical situations. In order to illustrate this former, it has been illustrated with 2 longitudinal functions, a Adaptive Cruise Control and an Emergency Brake
Simionatto, Vinícius Gabriel Segala 1986. "Estudo da influência dos parâmetros do pré-amortecimento da embreagem nos fenômenos de shuffle e clunk em trens de potência." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263769.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica
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Resumo: O desenvolvimento de novas tecnologias na área automotiva e as restrições cada vez mais apertadas com relação a emissões culminaram em veículos cada vez mais leves, silenciosos e potentes. Por este motivo, os trens de potência atuais são cada vez mais susceptíveis a fenômenos de NVH. Além disso, pelo fato de os motores atuais emitirem menor nível de ruído, alguns destes fenômenos tornam-se mais perceptíveis. Neste contexto se encaixa o trabalho atual. Sabe-se que muitos problemas desta área são solucionados realizando alterações no disco de embreagem, e por isto, neste trabalho estuda-se a influência dos parâmetros de seu pré amortecedor nos fenômenos de shuffle e clunk. São feitas análises do trem de potência linearizado, por este ser um procedimento muito comum na área de desenvolvimento deste sistema. Após isso, analisa-se o mesmo sistema, através de simulações numéricas, porém considerando não linearidades no disco de embreagem e nos engrenamentos, onde foi considerado o impact damping. Identifica-se os pares engrenados que mais contribuem para o surgimento do fenômeno de clunk, e a influência dos parâmetros do pré-amortecedor sobre ambos os fenômenos
Abstract: The development of new technologies on automotive engineering and the toughening emissions laws led to the design of lighter, more silent and more powerful vehicles. For this reason, today's powertrains are more prone to NVH phenomena. Furthermore, the noticeability of those phenomena is increased since newer engines produce lower noise levels. This is the subject in which this work fits into. It is known that many of the NVH phenomena can be attenuated by performing changes on the parameters of the clutch disc, and because of it, the influence of the parameters of the clutch damper on shuffle and clonk is studied in this work. For being a widely used procedure on the development of drivelines, a inear analysis is performed on a linearized model of a powertrain. After that, using umerical integration methods, further analyses are performed on a nonlinear model of the driveline, considering that the clutch disc and the gear meshes are nonlinearities. The latter's energy loss is modeled used impact damping. The geared pairs that contribute most for the clunk phenomenon are identified, and finally the influence of the parameters of the clutch damper on both phenomena are stated
Mestrado
Mecanica dos Sólidos e Projeto Mecanico
Mestre em Engenharia Mecânica
Chevrié, Mathieu. "Modélisation électrothermique de composants électriques et électroniques automobiles et estimation des résistances de contact dans les connecteurs." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0079.
Повний текст джерелаAn automotive electrical connector contains electrical contact points subject to additional temperature rises by Joule effect caused by their contact resistances. The deterioration of a contact resistance can cause critical overheating at the contact points. This study proposes two approaches to detect abnormal changes in contact resistance. The first one, applied to an automotive electric case connector, relies on a model-based diagnosis to detect an abnormal variation in the contact resistance with respect to its nominal value. The second one, applied toan electric vehicle charging connector, consists in estimating a heat flow related to the Joule effect caused by the contact resistance. The value of the latter is then estimated using the least squares.These approaches rely on electrothermal models considered connectors and their environments.This study also presents the development of these models, including the optimization of the mesh of an electrical wire based on the minimization of the H2-norm of the error between ameshed integer order model and a reference analytical fractional order model
Singh, Subrat, and Shreedhara Sreehari Veditherakal. "CAE modelling of cast aluminium in automotive structures." Thesis, Linköpings universitet, Mekanik och hållfasthetslära, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-162190.
Повний текст джерелаBuey, Daniel. "Modeling non-basal deformation modes in Mg-Y and other Mg-RE alloys." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1532081086077038.
Повний текст джерелаHoang, Trong bien. "Switched observers and input-delay compensation for anti-lock brake systems." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-00994114.
Повний текст джерелаOlsson, Claes. "Active Vibration Control of Multibody Systems : Application to Automotive Design." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5818.
Повний текст джерелаÅnmark, Niclas. "Inclusion Characteristics and Their Link to Tool wear in Metal Cutting of Clean Steels Suitable for Automotive Applications." Licentiate thesis, KTH, Tillämpad processmetallurgi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-164875.
Повний текст джерелаQC 20150422
Brubaker, Christopher L. "Dynamic Model of a Non-Linear Pneumatic Pressure Modulating Valve Using Bond Graphs." Cleveland State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=csu1432264539.
Повний текст джерелаNguyen, Tran Anh-Tu. "Outils de commande avancés pour les applications automobiles." Thesis, Valenciennes, 2013. http://www.theses.fr/2013VALE0037/document.
Повний текст джерелаThis thesis addresses the development of some advanced control design tools for a class of nonlinear systems in general and for automotive systems in particular.Motivated by automotive applications, Part I proposes some novel theoretical results on control design for nonlinear systems under Takagi-Sugeno form subject to the control input saturation. The input saturation is dealt with by using its polytopic representation or an anti-windup strategy.Part II deals with our automotive application concerning the control of a turbocharged air system of a spark ignition engine. To this end, two novel control approaches are proposed in this part. For the first one, the theoretical design tool on switching Takagi-Sugeno controller developed in Part I is directly applied. The second one is based on a robust feedback linearization control technique. The originality of these MIMO approaches consist in their simplicity and effectiveness compared to other ones existing in the literature.Part III aims at developing the strategies, which are based on the Pontryagin's Minimum Principle in optimal control theory, for the energy management of the vehicular electric power systems in a hybrid engine configuration. To this end, both offline optimization approach using the future information of driving conditions and online implementable one have been developed and evaluated in an advanced simulator
Bonnavion, Guillaume. "Dynamics of the unstable wake modes in automotive aerodynamics : from simplified models to real vehicles." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLY010/document.
Повний текст джерелаSince the recent discovery of asymmetric modes in the wake of a simplified vehicle geometry, reminiscent from a bifurcation at low Reynolds numbers, some questions related to the aerodynamic development of ground vehicles such as the influence of lateral wind, pitch and afterbody boat-tail classically used during shape optimization remain unanswered. Our work is devoted to assess those questions experimentally for simplified but also real geometries. The tests are conducted in an industrial wind-tunnel, at the 2/5-scale for the academic body and at the full scale for the minivans. We show that the vehicle's misalignment only modifies the asymmetric mode's orientation without affecting its intensity. We build a model predicting not only this orientation but also the consequences on the cross-flow aerodynamic loading. The contribution of the instability to the lift or side force coefficients is of the order of 0,02 independently of lateral wind or of the vehicle's pitch. Afterbody boat-tails also impact the wake dynamics and its orientation but the instability is never suppressed. These results are retrieved for real vehicles such as minivans, whose wake is then subjected to the same asymmetric mode as well, revealed unambiguously with pitch sensitivity experiments. Our results indicate that, for all considered vehicles, the asymmetric wake mode is systematically present in the driving envelope. The control or the suppression of this mode should offer new optimization's perspectives for blunt based vehicles such as minivans or SUVs
Vestin, Albin, and Gustav Strandberg. "Evaluation of Target Tracking Using Multiple Sensors and Non-Causal Algorithms." Thesis, Linköpings universitet, Reglerteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-160020.
Повний текст джерелаGstalter, Étienne. "Réduction d’ordre de modèle de crash automobile pour l’optimisation masse / prestations." Thesis, Compiègne, 2020. http://www.theses.fr/2020COMP2576.
Повний текст джерелаThis thesis is a part of a global research work dedicated to reduced-order modelling applications in the Renault engineering direction. It's research topic has been improved in the IRT System)('s project on Reduced Order Model and Multi-disciplinary Optimization. Some previous thesis can help understand the context. ([Vuong], [Charrier]). The main industrial application of the research theme is the focus on a body structure, in a crash loading. Some research works on acoustic, combustion and aerodynamic are currently ongoing. This thesis is both a contribution to the generic ReCUR method, and its application to a car body structure optimization for crash loadings. Engineering teams at Renault uses optimization to obtain the best crash simulation, with a numerical optimization software, based on designs of experiments. It requires a lot of crash simulation because each simulation is considered as unique, with only one response for each parameter. Only Inputs and Outputs are known. The ReCUR method consider that each simulation is a huge mine that needs our attention. We hope that we can decrease the number of crash simulation required to compute a model, by using much more data for each simulation
Bouvin, Jean-Louis. "Vers une version alternative à la suspension CRONE Hydractive." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0042/document.
Повний текст джерелаThe Hydractive CRONE car suspension developed by the CRONE team provides outstanding performances. Indeed, the CRONE method ensures the robustness of the stability degree with respect to variations of the sprung mass, while the Hydractive strategy enables the switchover between a comfort-oriented architecture and a road-behavior-oriented one. The association of the CRONE method with the Hydractive strategy allows to circumvent most of the dilemmas that occur with traditional architecture suspensions. The present study aims to develop an alternative version of the CRONE suspension using two approaches. A first approach consists of the implementation of a passive metallic version based on leaf springs aiming the modernisation and optimisation of historical technologies. The second one, however, involves the use of a more relevant and increasingly widespread technology with the development of an active pneumatic version of the CRONE suspension. The complete modeling of the ``CRONE'' comfort-oriented architecture is then proposed through its pneumatic accumulators and nozzles. This new version, benefiting from the pneumatic active system and from the development of the Autonomous Connected Vehicle, opens up new prospects for the development of car suspensions
Timpanaro, Anthony. "Reduction of NOx Emissions in a Single Cylinder Diesel Engine Using SNCR with In-Cylinder Injection of Aqueous Urea." UNF Digital Commons, 2019. https://digitalcommons.unf.edu/etd/876.
Повний текст джерелаMontello, Aaron David. "An Experimental Investigation of Water Droplet Growth, Deformation Dynamics and Detachment in a Non-Reacting PEM Fuel Cell via Fluorescence Photometry." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228248650.
Повний текст джерелаGlos, Jan. "Modelování a řízení toků elektrické a tepelné energie v plně elektrických automobilech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-433039.
Повний текст джерелаNeudorf, Thelma Katherine. "Non-contact Measurement of Dynamic Belt Span Tension in Automotive FEAD Systems." Thesis, 2013. http://hdl.handle.net/1807/43268.
Повний текст джерелаAliabbasi, Pedram. "Increasing Development Efficiency Using Virtual Prototyping in Automotive Domain: AUTOSAR-based and non-AUTOSAR ECUs." 2018. https://monarch.qucosa.de/id/qucosa%3A32949.
Повний текст джерелаNUNG, WU PEI, and 吳佩濃. "A Study of The Impact of Non-economic Factors on Stock Market- The Case of Japan Earthquake in Taiwan' Automotive Industry." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/92677372983346665077.
Повний текст джерела開南大學
會計學系
99
The aim of this study is to discuss the chain reaction caused by a great earthquake happened in the world’s third largest economic system. As many Taiwanese automotive materials are provided by Japan, and the earthquake in Japan stop the transportation from the disaster area to airport, thus it may result in problem in the production line. However, whether the public investors reflect this news on the stock price, then to observe whether Taiwan is an efficiency market and verify whether Japan’s great earthquake impact the stock price of Taiwan’s automotive industry. This study uses the event study method from Taiwan Economic Journal (TEJ) to discuss whether abnormal returns and cumulative abnormal returns occur in automobile industry’s stock price, and then we proceed to use traditional method and cross-sectional method to verify whether the impact is significant. This study will discuss the five listed automobile companies in Taiwan: Yulong, China, Sanyang, Hotai and Yulon Nissan Motor.