Дисертації з теми "Simulation vehicle model"
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Shanmugam, Karthikeya. "Simulation model development of vehicle dynamics-brakes." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-393300.
Повний текст джерелаSnare, Matthew C. "Vehicle Dynamics Model for Predicting Maximum and Typical Acceleration Rates for Passenger Vehicles." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/34779.
Повний текст джерелаMaster of Science
Kanarat, Amnart. "Modeling and Simulation of a Multi-Unit Tracked Vehicle." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/9755.
Повний текст джерелаMaster of Science
Carlsson, Magnus. "Methods for Early Model Validation : Applied on Simulation Models of Aircraft Vehicle Systems." Licentiate thesis, Linköpings universitet, Maskinkonstruktion, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-91277.
Повний текст джерелаSimmuleringsmodeller av fysikaliska system, med eller utan reglerande mjukvara, har sedan lång tid tillbaka ett brett användningsområde inom flygindustrin. Tillämpningar finns inom allt från systemutveckling till produktverifiering och träning. Med de huvudsakliga drivkrafterna att reducera mängden fysisk provning samt att öka förutsättningarna till att fatta välgrundade modellbaserade designbeslut pågår en trend att ytterligare öka andelen modellering och simulering. Arbetet som presenteras i denna avhandling är fokuserat på utveckling av metodik för validering av simuleringsmodeller, vilket anses vara ett kritiskt område för att framgångsrikt minska mängden fysisk provning utan att äventyra säkerheten. Utveckling av metoder för att på ett säkert sätt minska mängden fysisk provning är speciellt intressant inom flygindustrin där varje fysiskt prov vanligen utgör en betydande kostnad. Utöver de stora kostnaderna kan det även vara svårt eller riskfyllt att genomföra fysisk provning. Specifikt är även de långa utvecklingscyklerna som innebär att man har långa perioder av osäkerhet under produktutvecklingen. Inom såväl industri som akademi ses verifiering, validering och osäkerhetsanalys av simuleringsmodeller som kritiska aktiviteter för en framgångsrik tillämpning av modellbaserad systemutveckling. Kvantifiering av osäkerheterna i ett simuleringsresultat kräver dock vanligen en betydande mängd säker information, och för industriella tillämpningar framstår tillgängliga metoder ofta som alltför detaljerade eller arbetskrävande. Totalt sett ger detta särskild anledning till forskning inom metodik för modellvalidering, med speciellt fokus på förenklade metoder för användning i tidiga utvecklingsfaser då tillgången på mätdata är knapp. Resultatet från arbetet inkluderar en metod som stöttar tidig modellvalidering. Metoden är avsedd att tillämpas vid brist på mätdata från aktuellt system, och möjliggör utnyttjande av osäkerhetsinformation från komponentnivå för bedömning av osäkerhet på modellnivå. Avsaknad av data för karaktärisering av parameterosäkerheter är även ett vanligt förekommande problem som till viss mån mildras genom användning av metoden. Ett koncept har utvecklats för att integrera osäkerhetsinformation hämtad från komponentvalidering direkt i en modells komponenter, vilket möjliggör en förenklad osäkerhetsanalys på modellnivå. Abstraktionsnivån vid osäkerhetsanalysen höjs på så sätt från parameternivå till komponentnivå. Metoden är implementerad i ett Modelica-baserat komponentbibliotek för modellering och simulering av grundflygplansystem, och har utvärderats i en industriell tillämpning i kombination med både deterministiska och probabilistiska tekniker. Resultatet från arbetet inkluderar även en industriellt tillämplig process för utveckling, validering och export av simuleringsmodeller, och begreppen virtuell provning och virtuell certifiering diskuteras.
Karanja, Bethuel, and Parsa Broukhiyan. "Commercial Vehicle Air Consumption: Simulation, Validation and Recommendation." Thesis, KTH, Maskinkonstruktion (Inst.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-209657.
Повний текст джерелаI denna rapport beskrivs ett examensarbete som genomfördes på bromsavdelningen på Scania CV AB. Projektet innefattar utveckling av en numerisk modell (i Matlab) som beräknar och förutspår luftförbrukningen i en lastbil under olika körcykler. I rapporten beskrivs det tester och experiment som gjordes för att ta fram nödvändiga uppgifter för utvecklingen av modellen. Sedan presenteras modellen som skapades och alla valideringstester som genomfördes. Modellen är gjord så att användaren kan kombinera olika komponentkombinationer för lastbilar med olika lastningskonfigurationer och körcykler. Slutligen används modellen för att utvärdera luftförbrukningen i lastbilar under särskilt ansträngande körcykler. Den utvecklade modellen visade sig vara pålitlig och korrekt med en felmarginal på 7% med avseende på mängden luft som konsumeras. Med dess hjälp kunde flera rekommendationer ges om hur luftförbrukningen i kommersiella fordon kan förbättras. De bästa komponentkombinationerna hittades också och presenteras i denna rapport
Shakleton, Philip Andrew. "An optimised wheel-rail contact model for vehicle dynamics simulation." Thesis, Manchester Metropolitan University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515184.
Повний текст джерелаGim, Gwanghun. "Vehicle dynamic simulation with a comprehensive model for pneumatic tires." Diss., The University of Arizona, 1988. http://hdl.handle.net/10150/184478.
Повний текст джерелаChen, Jen-Ming 1960. "Developing and validating a simulation model for emergency vehicle locations." Thesis, The University of Arizona, 1988. http://hdl.handle.net/10150/276894.
Повний текст джерелаZheng, Pengjun. "A microscopic simulation model of merging operation at motorway on ramps." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289589.
Повний текст джерелаLee, SeeWoo. "Development of new dynamic tire model for improved vehicle dynamics simulation." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1334584006.
Повний текст джерелаRupp, Matthew Y. "Passive dynamic steering system model for use in vehicle dynamics simulation." Connect to resource, 1994. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1157568618.
Повний текст джерелаOlstam, Johan. "A model for simulation and generation of surrounding vehicles in driving simulators." Licentiate thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4672.
Повний текст джерелаGirmay, Mesele Asmelash. "AUTOSARLang: Threat Modeling and Attack Simulation for Vehicle Cybersecurity." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240410.
Повний текст джерелаDen snabba tillväxten och utvecklingen av informations- och kommunikationstekniken lockar många branscher, däribland bilindustrin. Sedan de senaste fyra decennierna har automotive engineering påverkats av informationstekniken. Numera är moderna fordon utformade med upp till hundratals elektroniska styrenheter (ECU) och kan kommunicera med andra fordon, infrastruktur och andra saker via trådlösa nätverk och sensorer. För sådana inbyggda nätverk är seriella bussystem som CAN-buss, LIN-buss, FlexRay och MOST standardiserade. Parallellt med detta har automotive-leverantörerna utformat och standardiserat automatsystem för öppna systemarkitekturer (AUTOSAR). AUTOSAR har två huvudstandarder - den klassiska plattformen och den adaptiva plattformen. Den klassiska plattformen (CP) är utformad för nuvarande inbyggda ECU, medan den adaptiva plattformen (AP) är utformad för framtida intelligenta ECU. Den intelligenta AP-enheten utgör många processorer och Ethernet för att förverkliga de framtida autonoma fordonen. Bilindustrin ska å andra sidan säkerställa "säkerhet först" i sin design och betrakta den som en del av deras marknadsfunktion. Direkt eller indirekt är säkerheten hos moderna anslutna fordon relaterad till sin cybersäkerhet. Idag genomför cybersecurity-proffs för att få anmärkningsvärda lösningar på de sofistikerade cyberattackarna. Ett tillvägagångssätt för cybersecurity-lösningen är att göra en modellering av cyberhot och attack simuleringar. Exempel, meta-attack-language (MAL) är ett hot modellerings-och attack simuleringsspråk, som är utformat för att göra domänspecifik hotanalys. I denna studie identifieras potentiella tillgångar i ett fordonsbil med AP-ECU. Därefter samlas hot av varje identifierad tillgång från olika litteratur. Med båda ingångarna skrivs en cyber-hotmodell med MAL. Slutligen görs validering av modellen med ett simuleringsspråk. Följaktligen modelleras och simuleras moderna fordon med AP-ECU. Denna studie bidrar till fyra viktiga saker - en lista över potentiella tillgångar som AP-körfordon utgör, samlad lista över hot av identifierade tillgångar, validerad cyberhot-modell och simuleringsprovfall för varje potentiell attackvägar i modellen.
Matthews, Patricia Aileen 1963. "Validation of a vehicle mobility computer model for heavy earthmoving equipment." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276946.
Повний текст джерелаBailey, William. "Using model-based methods to support vehicle analysis planning." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50377.
Повний текст джерелаAkbarian, Mehdi. "Model based pavement-vehicle interaction simulation for life cycle assessment of pavements." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/73847.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 116-121).
Responsible for about a third of the annual energy consumption and greenhouse gas (GHG) emissions, the U.S. transportation Network needs to attain a higher level of sustainability. This is particularly true for the roadway Network and the design of pavements in it. Vehicle fuel consumption required to overcome resisting forces due to pavement-vehicle interaction (PVI) is an essential part of life-cycle assessment (LCA) of pavement systems. These PVIs are intimately related to pavement structure and material properties. While various experimental investigations have revealed potential fuel consumption differences between flexible and rigid pavements, there is high uncertainty and high variability in the evaluated impact of pavement deflection on vehicle fuel consumption. This report adopts the perspective that a mechanistic model can contribute to closing the uncertainty gap of PVI in pavement LCA. With this goal in mind, a first-order mechanistic pavement model is considered, and scaling relationships between input parameters and the impact of PVI on vehicle fuel consumption are developed. An original calibration-validation method is established through wave propagation using the complete set of Falling Weight Deflectometer (FWD) time history data from FHWA's Long Term Pavement Performance program (LTPP), representing the U.S. roadway Network. Distributions of model parameters are determined on pavement material properties (top layer and subgrade moduli), structural properties (thickness), and loading conditions obtained from model calibration and the LTPP datasets. These input distributions are used in Monte-Carlo simulations to determine the impact of flexible and rigid pavements on passenger car and truck fuel consumption within the roadway Network. It is shown that rigid pavements behave better than flexible ones in regard to PVI due to higher stiffness. A final comparison with independent field data provides a reality check of the order of magnitude estimates of fuel consumption due to PVI as determined by the model. The calculated change in fuel consumption is used in a comparative LCA of flexible and rigid pavements, and it is shown that the impact of PVI deflection becomes increasingly important for high volume flexible roadways and can surpass GHG emissions due to construction and maintenance of the roadway system in its lifetime.
by Mehdi Akbarian.
S.M.
Carlsson, Erik. "Modeling Hydrostatic Transmission in Forest Vehicle." Thesis, Linköping University, Department of Electrical Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6864.
Повний текст джерелаHydrostatic transmission is used in many applications where high torque at low speed is demanded. For this project a forest vehicle is at focus. Komatsu Forest would like to have a model for the pressure in the hose between the hydraulic pump and the hydraulic motor. Pressure peaks can arise when the vehicle changes speed or hit a bump in the road, but if a good model is achieved some control action can be developed to reduce the pressure peaks.
For simulation purposes a model has been developed in Matlab-Simulink. The aim has been to get the simulated values to agree as well as possible with the measured values of the pressure and also for the rotations of the pump and the motor.
The greatest challenge has been due to the fact that the pressure is a sum of two flows, if one of these simulated flows is too big the pressure will tend to plus or minus infinity. Therefore it is necessary to develop models for the rotations of the pump and the motor that stabilize the simulated pressure.
Different kinds of models and methods have been tested to achieve the present model. Physical modeling together with a black box model are used. The black box model is used to estimate the torque from the diesel engine. The probable torque from the ground has been calculated. With this setup the simulated and measured values for the pressure agrees well, but the fit for the rotations are not as good.
Doucette, Reed. "The Oxford Vehicle Model : a tool for modeling and simulating the powertrains of electric and hybrid electric vehicles." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:cfff8f27-f4a4-4c77-953e-09253aba3aa0.
Повний текст джерелаRobla, Sánchez Ignacio. "Wheel Wear Simulation of the Light Rail Vehicle A32." Thesis, KTH, Spårfordon, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-261228.
Повний текст джерелаBelousov, Dennis. "Development of a Vehicle Simulation Model Consisting of Low and High Frequency Dynamics." Thesis, Linköpings universitet, Fordonssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-133236.
Повний текст джерелаBlackshear, Henry L. "Developing a conceptual unmanned aerial vehicle communications mobile AD Hoc network simulation model." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Jun%5FBlackshear.pdf.
Повний текст джерелаKrishnasamy, Jayaraman 1968. "A discretized contact patch to model tire-road interaction for vehicle dynamic simulation." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/277952.
Повний текст джерелаLee, Sungjoon. "A Cell Transmission Based Assignment-Simulation Model for Integrated Freeway/Surface Street Systems /." Connect to this title online, 1996. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1103731343.
Повний текст джерелаFarmer, Jesse Lee. "Kinematic Analysis Of A Two Body Articulated Robotic Vehicle." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/32651.
Повний текст джерелаMaster of Science
Ivan. "Vehicle to vehicle communication systems performance evaluation : A simulation approcach combining physical layer implementation, propagation channel model and antenna properties." Rennes, INSA, 2012. http://www.theses.fr/2012ISAR0009.
Повний текст джерелаV2X is a communication system between vehicles (vehicle to vehicle, or V2V) and between vehicles and the infrastructure (vehicle to infrastructure, or V2I) operating at 5. 9 GHz, with main purpose to improve road safety and to increase traffic efficiency. The computer performance evaluation of the V2X system, while employing accurate simulation models, represents an important preliminary step before its integration into vehicles and thus a possible large-scale deployment. The work presented in this document focuses on simulation techniques for realistic performance evaluation of the V2X communication system in different operating environments, with different types of receiver implementations, and with different antennas at the receiver. On-bench measurement results with V2X prototypes and with a RF channel emulator validated some of our computer simulation techniques and results
Amkoff, Leon. "Trailer Simulation Model for an Indirect Tire Pressure Monitoring System." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-185066.
Повний текст джерелаCersovsky, Donald D. Kleinschmidt Edward. "Mathematical model and analysis of the Tactical Unmanned Ground Vehicle (TUGV) using computer simulation /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA272258.
Повний текст джерелаCersovsky, Donald D., and Edward Kleinschmidt. "Mathematical model and analysis of the Tactical Unmanned Ground Vehicle (TUGV) using computer simulation." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/26052.
Повний текст джерелаKozhakenov, Temirzhan. "MODEL-BASED SIMULATION OF AUTOMOTIVE SOFTWARE SYSTEMS." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-48851.
Повний текст джерелаPu, Davide. "Demand and Capacity Problems in the Next Generation Air Transportation System." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51218.
Повний текст джерелаMaster of Science
Turley, Carole. "Calibration Procedure for a Microscopic Traffic Simulation Model." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1747.pdf.
Повний текст джерелаPrestero, Timothy (Timothy Jason) 1970. "Verification of a six-degree of freedom simulation model for the REMUS autonomous underwater vehicle." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/65068.
Повний текст джерелаIncludes bibliographical references (p. 125-127).
mproving the performance of modular, low-cost autonomous underwater vehicles (AUVs) in such applications as long-range oceanographic survey, autonomous docking, and shallow-water mine countermeasures requires improving the vehicles' maneuvering precision and battery life. These goals can be achieved through the improvement of the vehicle control system. A vehicle dynamics model based on a combination of theory and empirical data would provide an efficient platform for vehicle control system development, and an alternative to the typical trial-and-error method of vehicle control system field tuning. As there exists no standard procedure for vehicle modeling in industry, the simulation of each vehicle system represents a new challenge. Developed by von Alt and associates at the Woods Hole Oceanographic Institute, the REMUS AUV is a small, low-cost platform serving in a range of oceanographic applications. This thesis describes the development and verification of a six degree of freedom, non-linear simulation model for the REMUS vehicle, the first such model for this platform. In this model, the external forces and moments resulting from hydrostatics, hydrodynamic lift and drag, added mass, and the control inputs of the vehicle propeller and fins are all defined in terms of vehicle coefficients. This thesis describes the derivation of these coefficients in detail. The equations determining the coefficients, as well as those describing the vehicle rigid-body dynamics, are left in non-linear form to better simulate the inherently non-linear behavior of the vehicle. Simulation of the vehicle motion is achieved through numeric integration of the equations of motion. The simulator output is then checked against vehicle dynamics data collected in experiments performed at sea. The simulator is shown to accurately model the motion of the vehicle.
by Timothy Prestero.
S.M.
Pracný, Vladislav. "Neural network based shock absorber model with a thermodynamical coupling : experiment, modeling and vehicle simulation /." Aachen : Shaker, 2009. http://d-nb.info/994209967/04.
Повний текст джерелаTaheri, Shahyar. "A Hybrid Soft Soil Tire Model (HSSTM) For Vehicle Mobility And Deterministic Performance Analysis In Terramechanics Applications." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/76654.
Повний текст джерелаPh. D.
Wu, Jin. "CRASHWORTHINESS SIMULATION OF ROADSIDE SAFETY STRUCTURES WITH DEVELOPMENT OF MATERIAL MODEL AND 3-D FRACTURE PROCEDURE." University of Cincinnati / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ucin971273656.
Повний текст джерелаAsus, Zainab. "Effective simulation model and new control strategy to improve energy efficiency in hybrid electric land vehicle." Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS062/document.
Повний текст джерелаThe main objectives of this work is to develop an effective modeling method for an easydeployment of a control strategy, to review and study an optimal control strategy for a specific application, and to analyze improvement that can be effected to engine for better efficiency in hybrid vehicle architecture. The scopes of this work include the simulation part of the studied system and its validation with experimental results. Study cases are used to analyze optimization that can be effected to the original system. A well established optimization tool is chosen to optimize the actual control strategy and becomes a benchmark of a new optimal control strategy to be deployed in the system. A predictive method to know energy consumption of the system is developed in order to obtain an optimal control suitable with the vehicle application. Using the developed model, analysis is conducted to identify an optimal control strategy for a specific utilization. As perspectives, the main components of the system can be studied for improvements of its energy efficiency. The Energetic Macroscopic Representation (EMR) is a good method to represent dynamic model and it can be used to model any electromechanical machines and can be envisaged to model other system than a vehicle system, like a renewable energy system, a new electro-mechanical system or a robotic system
Czechowicz, Maciej P. "Analysis of vehicle rollover using a high fidelity multi-body model and statistical methods." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/18106.
Повний текст джерелаSirin, Göknur. "Supporting multidisciplinary vehicle modeling : towards an ontology-based knowledge sharing in collaborative model based systems engineering environment." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2015. http://www.theses.fr/2015ECAP0024/document.
Повний текст джерелаSimulation models are widely used by industries as an aid for decision making to explore and optimize a broad range of complex industrial systems’ architectures. The increased complexity of industrial systems (cars, airplanes, etc.), ecological and economic concerns implies a need for exploring and analysing innovative system architectures efficiently and effectively by using simulation models. However, simulations designers currently suffer from limitations which make simulation models difficult to design and develop in a collaborative, multidisciplinary design environment. The multidisciplinary nature of simulation models requires a specific understanding of each phenomenon to simulate and a thorough description of the system architecture, its components and connections between components. To accomplish these objectives, the Model-Based Systems Engineering (MBSE) and Information Systems’ (IS) methodologies were used to support the simulation designer’s analysing capabilities in terms of methods, processes and design tool solutions. The objective of this thesis is twofold. The first concerns the development of a methodology and tools to build accurate simulation models. The second focuses on the introduction of an innovative approach to design, product and integrate the simulation models in a “plug and play" manner by ensuring the expected model fidelity. However, today, one of the major challenges in full-vehicle simulation model creation is to get domain level simulation models from different domain experts while detecting any potential inconsistency problem before the IVVQ (Integration, Verification, Validation, and Qualification) phase. In the current simulation model development process, most of the defects such as interface mismatch and interoperability problems are discovered late, during the IVVQ phase. This may create multiple wastes, including rework and, may-be the most harmful, incorrect simulation models, which are subsequently used as basis for design decisions. In order to address this problem, this work aims to reduce late inconsistency detection by ensuring early stage collaborations between the different suppliers and OEM. Thus, this work integrates first a Detailed Model Design Phase to the current model development process and, second, the roles have been re-organized and delegated between design actors. Finally an alternative architecture design tool is supported by an ontology-based DSL (Domain Specific Language) called Model Identity Card (MIC). The design tools and mentioned activities perspectives (e.g. decisions, views and viewpoints) are structured by inspiration from Enterprise Architecture Frameworks. To demonstrate the applicability of our proposed solution, engine-after treatment, hybrid parallel propulsion and electric transmission models are tested across automotive and aeronautic industries
Luco, Nicolas, and Keren Zhu. "Energy efficient cornering : Simulation and verification." Thesis, KTH, Fordonsdynamik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234837.
Повний текст джерелаCravotta, Stefan, and Emanuele Grimolizzi. "Simulation of vehicle impact into a steel building : A parametric study on the impacted column end-connections." Thesis, KTH, Bro- och stålbyggnad, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-172341.
Повний текст джерелаPracný, Vladislav [Verfasser]. "Neural network-based shock absorber model with a thermodynamical coupling : Experiment, modeling and vehicle simulation / Vladislav Pracny." Aachen : Shaker, 2009. http://d-nb.info/1161302549/34.
Повний текст джерелаZheng, Yue. "Driver model for a software in the loop simulation tool." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-265668.
Повний текст джерелаFör detta projekt används ett simuleringsverktyg Software-In-the-Loop (SIL) på Scania (“VTAB” - Virtual Truck and Bus), vilket simulerar submodellerna för de mekaniska fordonskomponenterna tillsammans med de verkliga styrenheterna. Simuleringsverktyget innehåller följande submodeller: Motormodell, Drivmotormodell, Drivcykelmodell, Restbusmodell och Drivermodell. Den simulerade submodellen för mänsklig förare i restbussmodellen kommer att sända två pedalsstyrsignaler till styrenheten, nämligen gas och broms. Med dessa två pedalsignaler kan styrenheten avgöra lägen av mekaniska fordonskomponenter. Denna drivrutinmodell måste omarbetas för att få en bättre hastighetsspårnings presentationsförmåga. Två styrenheter, fuzzy PI anti-windup och bakåtberäkning, implementeras i förarmodell och jämförs respektive med hastighetsspårningsnoggrannhet och pedalväxelfrekvens. I jämförelseoch analysavsnittet simuleras två olika cyklar och två nyttolast. Simuleringsresultaten visar att båda kontrollerna kan förbättra förarmodellens hastighetsspårningskapacitet. Vidare är fuzzy PI-anti-windup-kontroller bättre när man tar hänsyn till pedalsignalernas fluktueringsfrekvens och implementeringskomplexitet
King, Jonathan Charles. "Model-Based Design of a Plug-In Hybrid Electric Vehicle Control Strategy." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/34962.
Повний текст джерелаMaster of Science
Cooley, Robert Bradley. "Engine Selection, Modeling, and Control Development for an Extended Range Electric Vehicle." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1281546071.
Повний текст джерелаTu, Ran. "Network-wide Assessment of Eco-Cooperative Adaptive Cruise Control Systems on Freeway and Arterial Facilities." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71385.
Повний текст джерелаMaster of Science
Duprey, Benjamin Lawrence Blake. "A New Fuzzy Based Stability Index Using Predictive Vehicle Modeling and GPS Data." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/32762.
Повний текст джерелаThis thesis consists of four main components:
- An overview of GPS technology is presented with coverage of several automotive-based applications. The proposed implementation of GPS in the new Hardware-in-the-Loop (HIL) driving simulator under development at the Virginia Tech Center for Vehicle Systems and Safety (CVeSS) is presented.
- The three degree-of-freedom (3DOF), linear, single track equation set used in the Matlab simulations is derived from first principles.
- Matlab and TruckSim 7® simulations are performed for five vehicle masses and three forward velocities in a ramp-steer maneuver. Using fuzzy logic to develop the control rules for the Total Safety Margin (TSM), TSM matrices are built for both the Matlab and TruckSim 7® results based on these testing conditions. By comparing these TSM matrices it is shown that the two simulation methods yield similar results.
- A discussion of the development and implementation of the aforementioned HIL driving simulator is presented, specifically the steering subsystem. Using Matlab/Simulink, dSPACE ControlDesk, and CarSim RT® software it is shown that the steering module is capable of steering the CarSim RT® simulation vehicle accurately within the physical range of the steering sensor used.
Master of Science
Kammann, Richard W. "Computer model and simulation of a theater ballistic missile (TBM) counterforce plan involving a lethal unmanned air vehicle (UAV)." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1995. http://handle.dtic.mil/100.2/ADA305347.
Повний текст джерелаEnblom, Roger. "On Simulation of Uniform Wear and Profile Evolution in the Wheel - Rail Contact." Doctoral thesis, Stockholm : Dept. of aeronautics and vehicle engineering, Royal Institute of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4184.
Повний текст джерелаLu, Ming. "System Dynamics Model for Testing and Evaluating Automatic Headway Control Models for Trucks Operating on Rural Highways." Diss., This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-01292008-113749/.
Повний текст джерелаChakravarthy, Krishnan Veeraraghavan. "DEVELOPMENT OF A STEER AXLE TIRE BLOWOUT MODEL FOR TRACTOR SEMITRAILERS IN TRUCKSIM." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1367533852.
Повний текст джерела