Relevant bibliographies by topics / Vehicle component

Academic literature on the topic 'Vehicle component'

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Published: 10 March 2023

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Journal articles on the topic "Vehicle component"

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Laconte, Johann, Abderrahim Kasmi, Romuald Aufrère, Maxime Vaidis, and Roland Chapuis. "A Survey of Localization Methods for Autonomous Vehicles in Highway Scenarios." Sensors 22, no. 1 (December 30, 2021): 247. http://dx.doi.org/10.3390/s22010247.

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In the context of autonomous vehicles on highways, one of the first and most important tasks is to localize the vehicle on the road. For this purpose, the vehicle needs to be able to take into account the information from several sensors and fuse them with data coming from road maps. The localization problem on highways can be distilled into three main components. The first one consists of inferring on which road the vehicle is currently traveling. Indeed, Global Navigation Satellite Systems are not precise enough to deduce this information by themselves, and thus a filtering step is needed. The second component consists of estimating the vehicle’s position in its lane. Finally, the third and last one aims at assessing on which lane the vehicle is currently driving. These two last components are mandatory for safe driving as actions such as overtaking a vehicle require precise information about the current localization of the vehicle. In this survey, we introduce a taxonomy of the localization methods for autonomous vehicles in highway scenarios. We present each main component of the localization process, and discuss the advantages and drawbacks of the associated state-of-the-art methods.
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Lipman, Timothy E., and Petra Maier. "Advanced materials supply considerations for electric vehicle applications." MRS Bulletin 46, no. 12 (December 2021): 1164–75. http://dx.doi.org/10.1557/s43577-022-00263-z.

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AbstractElectric vehicles are now proliferating based on technologies and components that in turn rely on the use of strategic materials and mineral resources. This review article discusses critical materials considerations for electric drive vehicles, focusing on the underlying component technologies and materials. These mainly include materials for advanced batteries, motors and electronics, lightweight structures, and other components specific to each vehicle type. Particularly strategic and widely used minerals and elements/structures for electric vehicles include nickel, cobalt, rare-earth minerals, lightweight and high strength steel alloys and underlying metals (e.g., magnesium and aluminum), carbon fiber, graphite and graphene, copper, and steel alloying materials. Additional key considerations include those around component and vehicle supply chains, repurposing and recycling vehicle components at end of vehicle life, and environmental and humanitarian considerations around the extraction and transport of the evolving set of materials needed for modern electric vehicle production. Graphical abstract
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Mallouk, Issam, Badr Abou El Majd, and Yves Sallez. "Optimization of the maintenance planning of a multi-component system." MATEC Web of Conferences 200 (2018): 00011. http://dx.doi.org/10.1051/matecconf/201820000011.

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The vehicle’s maintenance costs, uptime and security are the most important goals for owners and transport companies, but these goals are conflictual and the major cause for delays is related to the maintenance policies. The main objective of transporters is to respond properly to their customer’s demands. In order to deal with this competitiveness, transport companies are working to improve the management of their fleets by focusing in particular on vehicle maintenance, which impact the vehicles uptime, and generate the most important cost. In addition, a vehicle maintenance policy aims to avoid failures and keep the vehicle up and safe. This objective is reached by ensuring a high reliability; otherwise, an unexpected failure of a component can cause vehicle down and can affect the entire sub-system while generating costs. In this paper, we propose a new maintenance policy based on multi-objective optimization. This problem is solved using the Speed-Constrained Multiobjective Particle Swarm Optimization (SMPSO) for an instance of 18 components and 20 vehicles. First, we give an overview of the existing techniques used for vehicle’s maintenance policy, then we present the mathematical model that describes the cost of maintenance and the level of safety. Numerical experiments are presented to demonstrate the efficiency of our approach.
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Udo Sass, A., E. Esatbeyoglu, and T. Iwwerks. "Signal Pre-Selection for Monitoring and Prediction of Vehicle Powertrain Component Aging." Science & Technique 18, no. 6 (December 5, 2019): 519–24. http://dx.doi.org/10.21122/2227-1031-2019-18-6-519-524.

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Predictive maintenance has become important for avoiding unplanned downtime of modern vehicles. With increasing functionality the exchanged data between Electronic Control Units (ECU) grows simultaneously rapidly. A large number of in-vehicle signals are provided for monitoring an aging process. Various components of a vehicle age due to their usage. This component aging is only visible in a certain number of in-vehicle signals. In this work, we present a signal selection method for in-vehicle signals in order to determine relevant signals to monitor and predict powertrain component aging of vehicles. Our application considers the aging of powertrain components with respect to clogging of structural components. We measure the component aging process in certain time intervals. Owing to this, unevenly spaced time series data is preprocessed to generate comparable in-vehicle data. First, we aggregate the data in certain intervals. Thus, the dynamic in-vehicle database is reduced which enables us to analyze the signals more efficiently. Secondly, we implement machine learning algorithms to generate a digital model of the measured aging process. With the help of Local Interpretable Model-Agnostic Explanations (LIME) the model gets interpretable. This allows us to extract the most relevant signals and to reduce the amount of processed data. Our results show that a certain number of in-vehicle signals are sufficient for predicting the aging process of the considered structural component. Consequently, our approach allows to reduce data transmission of in-vehicle signals with the goal of predictive maintenance.
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Wolff, Sebastian, Moritz Seidenfus, Karim Gordon, Sergio Álvarez, Svenja Kalt, and Markus Lienkamp. "Scalable Life-Cycle Inventory for Heavy-Duty Vehicle Production." Sustainability 12, no. 13 (July 3, 2020): 5396. http://dx.doi.org/10.3390/su12135396.

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The transportation sector needs to significantly lower greenhouse gas emissions. European manufacturers in particular must develop new vehicles and powertrains to comply with recent regulations and avoid fines for exceeding C O 2 emissions. To answer the question regarding which powertrain concept provides the best option to lower the environmental impacts, it is necessary to evaluate all vehicle life-cycle phases. Different system boundaries and scopes of the current state of science complicate a holistic impact assessment. This paper presents a scaleable life-cycle inventory (LCI) for heavy-duty trucks and powertrains components. We combine primary and secondary data to compile a component-based inventory and apply it to internal combustion engine (ICE), hybrid and battery electric vehicles (BEV). The vehicles are configured with regard to their powertrain topology and the components are scaled according to weight models. The resulting material compositions are modeled with LCA software to obtain global warming potential and primary energy demand. Especially for BEV, decisions in product development strongly influence the vehicle’s environmental impact. Our results show that the lithium-ion battery must be considered the most critical component for electrified powertrain concepts. Furthermore, the results highlight the importance of considering the vehicle production phase.
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Vu-Quoc, L., and M. Olsson. "High-Speed Vehicle Models Based on a New Concept of Vehicle/Structure Interaction Component: Part I—Formulation." Journal of Dynamic Systems, Measurement, and Control 115, no. 1 (March 1, 1993): 140–47. http://dx.doi.org/10.1115/1.2897389.

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High-speed vehicle/structure models constructed based on a new formulation of dynamic interaction between high-speed vehicles and flexible guideways are presented. A basic vehicle/structure interaction model forms a basic building block of complex vehicle/structure models in which lumped-parameter sub-components of the vehicle component (e.g., suspended masses with springs and dashpots) are assembled onto the basic vehicle/structure interaction component. A vertical and an inclined vehicle models are formulated. These vehicle models can serve as yet more advanced building-block models in the hierarchical construction of complex vehicle/structure models. The inclined vehicle model can be used to study the effects of braking of high-speed vehicles of flexible guideways. Fully nonlinear equations of motion of both models are given. Upon introducing approximations to the nonlinear kinematics, mildly nonlinear equations with an unusual mathematical structure are consistently derived. These equations are appropriate for use under realistic working conditions of the system, and are particularly amenable for numerical treatment using a recently proposed class of predictor/corrector algorithms.
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Nicoletti, Lorenzo, Peter Köhler, Adrian König, Maximilian Heinrich, and Markus Lienkamp. "PARAMETRIC MODELLING OF WEIGHT AND VOLUME EFFECTS IN BATTERY ELECTRIC VEHICLES, WITH FOCUS ON THE GEARBOX." Proceedings of the Design Society 1 (July 27, 2021): 2389–98. http://dx.doi.org/10.1017/pds.2021.500.

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AbstractThe modeling of battery electric vehicles (BEVs) still represents a challenge for vehicle manufacturers. The installation of the new types of components needed for BEVs gives rise to uncertainties in the quantification of parameters like the vehicle's weight. Indeed, vehicle weight plays a key role, since it has a drastic effect on the vehicle's range, which is an important selling point for BEVs. Uncertainties in weight estimation create weight fluctuations during the early development phase and the need to resize components like the electric machine or battery. This in turn affects the components' volume and weight. However, such resizing can also lead to component collision and unfeasibility of the vehicle architecture. To solve this problem and to support concept engineers during the early development phase, an iterative approach is required that is capable of estimating weight and volume fluctuations in the relevant components. The approach should also consider the geometrical interdependencies of the components, to ensure that no collisions occur between them. Taking the gearbox as an example application, this paper presents a novel approach that satisfies these requirements.
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Holjevac, Nikola, Federico Cheli, and Massimiliano Gobbi. "A simulation-based concept design approach for combustion engine and battery electric vehicles." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 7 (June 7, 2018): 1950–67. http://dx.doi.org/10.1177/0954407018777350.

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The early concept design of a vehicle is becoming increasingly crucial to determine the success of a car. Broadening market competition, more stringent regulations and fast technological changes require a prompt response from carmakers, and computer-aided engineering has emerged in recent years as the promising way to provide more efficient and cost-effective design and to cut development time and costs. The work presented in this paper shows an approach based on computer-aided engineering to determine vehicle’s energy consumption and performance. The different vehicle’s subsystem are first analyzed separately by using dedicated simulation tools and then integrated to obtain the entire vehicle. The work covers a wide range of vehicle layouts. Internal combustion engine vehicles and battery electric vehicles are considered and various transmission configurations are contemplated with respect to some of the most adopted solutions for these vehicles. The simulation results allow to identify the most effective design variables regarding the combustion engine and the electric motor and to compare the different layouts over various car segments. The results clearly point out that for internal combustion engine vehicles, the combustion engine is the crucial component that defines the vehicle’s characteristics and particularly the energy consumption. Conversely, battery electric vehicles show a more balanced distribution of the losses, and therefore to improve the vehicle’s behavior, different components should be considered in detail. Nevertheless, the choice of the number of electric motors and the transmission choice play a significant role in defining the vehicle performances.
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Bhavsar, Parth, Plaban Das, Matthew Paugh, Kakan Dey, and Mashrur Chowdhury. "Risk Analysis of Autonomous Vehicles in Mixed Traffic Streams." Transportation Research Record: Journal of the Transportation Research Board 2625, no. 1 (January 2017): 51–61. http://dx.doi.org/10.3141/2625-06.

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The introduction of autonomous vehicles in the surface transportation system could improve traffic safety and reduce traffic congestion and negative environmental effects. Although the continuous evolution in computing, sensing, and communication technologies can improve the performance of autonomous vehicles, the new combination of autonomous automotive and electronic communication technologies will present new challenges, such as interaction with other nonautonomous vehicles, which must be addressed before implementation. The objective of this study was to identify the risks associated with the failure of an autonomous vehicle in mixed traffic streams. To identify the risks, the autonomous vehicle system was first disassembled into vehicular components and transportation infrastructure components, and then a fault tree model was developed for each system. The failure probabilities of each component were estimated by reviewing the published literature and publicly available data sources. This analysis resulted in a failure probability of about 14% resulting from a sequential failure of the autonomous vehicular components alone in the vehicle’s lifetime, particularly the components responsible for automation. After the failure probability of autonomous vehicle components was combined with the failure probability of transportation infrastructure components, an overall failure probability related to vehicular or infrastructure components was found: 158 per 1 million mi of travel. The most critical combination of events that could lead to failure of autonomous vehicles, known as minimal cut-sets, was also identified. Finally, the results of fault tree analysis were compared with real-world data available from the California Department of Motor Vehicles autonomous vehicle testing records.
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Kim, Kiyoung, Namdoo Kim, Jongryeol Jeong, Sunghwan Min, Horim Yang, Ram Vijayagopal, Aymeric Rousseau, and Suk Won Cha. "A Component-Sizing Methodology for a Hybrid Electric Vehicle Using an Optimization Algorithm." Energies 14, no. 11 (May 27, 2021): 3147. http://dx.doi.org/10.3390/en14113147.

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Many leading companies in the automotive industry have been putting tremendous effort into developing new powertrains and technologies to make their products more energy efficient. Evaluating the fuel economy benefit of a new technology in specific powertrain systems is straightforward; and, in an early concept phase, obtaining a projection of energy efficiency benefits from new technologies is extremely useful. However, when carmakers consider new technology or powertrain configurations, they must deal with a trade-off problem involving factors such as energy efficiency and performance, because of the complexities of sizing a vehicle’s powertrain components, which directly affect its energy efficiency and dynamic performance. As powertrains of modern vehicles become more complicated, even more effort is required to design the size of each component. This study presents a component-sizing process based on the forward-looking vehicle simulator “Autonomie” and the optimization algorithm “POUNDERS”; the supervisory control strategy based on Pontryagin’s Minimum Principle (PMP) assures sufficient computational system efficiency. We tested the process by applying it to a single power-split hybrid electric vehicle to determine optimal values of gear ratios and each component size, where we defined the optimization problem as minimizing energy consumption when the vehicle’s dynamic performance is given as a performance constraint. The suggested sizing process will be helpful in determining optimal component sizes for vehicle powertrain to maximize fuel efficiency while dynamic performance is satisfied. Indeed, this process does not require the engineer’s intuition or rules based on heuristics required in the rule-based process.
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Dissertations / Theses on the topic "Vehicle component"

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Carr, Christopher. "The competitiveness of UK vehicle component manufacturers." Thesis, University of Warwick, 1985. http://wrap.warwick.ac.uk/34624/.

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This dissertation presents the results of using a multidisciplinary "business policy" approach to examine the competitive situation of UK vehicle component manufacturers. With the cooperation of the companies involved in six product sectors, detailed studies have been made comparing the strategies and performances of UK competitors over several years, as well as those of selected competitors in Japan, Germany and the USA. The UK vehicle component industry has undergone an unprecedented decline in performance. The causes of this decline are many. External factors outside the control of the companies concerned include the declining competitiveness of UK based vehicle manufacturers and the exceptionally unfavourable UK business environment including the pressure on real wages. But the decline in competitiveness of UK vehicle component manufacturers is not solely due to these factors outside their own control. Just as important is the lack of strategic management capability at the top management level of the companies themselves. Before the recession many of the companies failed to see the changes that were occurring in the pattern of competition and that their competitive position was slipping. Few recognised that competition was becoming more European or even more global. Even fewer were able to effectively analyse the situation, select a viable long term strategy and pursue it with commitment. Such a strategy required a choice of the part of the market in which to compete as well as how to compete particularly as far as longer term production strategy (productivity, quality, flexible manufacturing systems etc) was concerned. The recession only added to this problem and obscured the underlying cause. Many companies were forced to retrench but still have not recognised the longer term strategic issues which must be addressed if the long term decline is to be reversed.
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Pournelle, Phillip E. "Component based simulation of the Space Operations Vehicle and the common Aero Vehicle." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA363022.

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Thesis (M.S. in Operations Research) Naval Postgraduate School, March 1999.
"March 1999". Thesis advisor(s): Arnold H. Buss. Includes bibliographical references (p. 117-118). Also available online.
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Salomonsson, David, and Erik Eng. "A Component-based Model of a Fuel Cell Vehicle System." Thesis, Linköpings universitet, Fordonssystem, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176698.

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Improving the efficiency and performance of vehicle propulsion systems has always been desirable, and with increasing environmental awareness this has become increasingly topical. A particularly strong focus today is at fossil-free alternatives, and there is a strong trend for electrification. Hybrid powertrains of different types can bring benefits in certain aspects, and there is a lot of research and development involved in the making of a new powertrain. In this thesis, a complete powertrain for a fuel cell hybrid electric vehicle is modeled, with the intention of contributing to this trend. The model can be used to investigate design choices and their impact on energy consumption. A component-based library is developed, with the purpose of being easy to implement for different configurations. The results show that it is possible to assemble and simulate a complete hybrid drivetrain, using the modeled components, while not being very computationally heavy. The developed models correspond well with reality while being modular and easy to implement.
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Wennerstrand, Esther. "Recycling of Textile and Plastic from an Interior Vehicle Component." Thesis, KTH, Fiber- och polymerteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-300896.

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På grund av den rådande klimatförändringen och de globala problem som plast orsakar i miljön blir det allt viktigare att dagens linjära materialanvändning ändras till en cirkulär användning. Inom fordonsindustrin har kravet på ökad tillgänglighet och kvalitet på återvunna material identifierats. Som följd startades forskningsprojektet Sustainable Vehicle Interior Solutions (SVIS) samordnat av RISE IVF där behovet av en mer hållbar produktion av fordonsinteriörer tas upp. Ett mål är att minska och återvinna produktionsavfall. Den här studien undersöker möjligheten att återvinna textil och plast från en interiör komponent av multimaterial, som i detta fall är en textilklädd plaststolpe. Stolpen är gjord av polykarbonat (PC)/poly(akrylnitril-butadien-styren) (ABS) plast och polyestertextil (PET). Mekanisk återvinning utfördes på den textilklädda stolpen. Möjligheten att separera textil från plast undersöktes och testades i en kvarn med en dammavskiljare. Prover innehållande olika mängder PET förberedes och återvanns för att studera påverkan av PET på materialegenskaperna. Två olika kompatibiliseringsmedel användes för att undersöka om blandningarnas kompatibilitet ökade. Hur väl textil separerats från plast analyserades genom jämförelse av bulkdensitet mellan proverna. För att undersöka effekten av kompatibiliseringsmedel och hur förekomsten av PET påverkar PC/ABS utfördes mekanisk testning, DSC och SEM. Resultaten visade att separationen av textil från plast inte var fullständig på grund av mycket hög vidhäftning mellan textilen och plasten. Bibehållna mekaniska egenskaper, förutom brottförlängning, erhölls för alla återvunna prover oavsett PET-mängd. Därför var det möjligt att dra slutsatsen om att förekomsten av PET inte påverkar materialets egenskaper negativt och att separation eller tillsats av kompatibiliseringsmedel inte är nödvändigt. Vidare visar resultaten att PET blir blandbar med PC men inte påverkar ABS-fasen. Kemisk återvinning genom glykolys utfördes på svart och beige polyestertextil av PET erhållet som avklipp från produktionen av stolparna. Glykolysen utfördes i laboratorieskala med etylenglykol (EG) som lösningsmedel. Reaktionen ägde rum vid 230℃ under 1 timme med överskott av lösningsmedel och en Mg-Al blandad oxidkatalysator. Slutprodukten separerades från rester genom flera filtreringssteg och analyserades med DSC. Från resultatet observerades det att den erhållna slutprodukten var den önskade bis(2-hydroxyetyl) tereftalat (BHET) monomeren. Färgämnen från textilen fanns fortfarande kvar i monomeren efter depolymerisation. Därför utfördes avfärgning. För den svarta textilen testades adsorption med aktivt kol och extraktion med etylenglykol som avfärgningsmetoder. För den beige textilen utfördes enbart adsorption med aktivt kol. De avfärgade produkterna analyserades genom färgmätning och/eller genom jämförelse med varandra. Resultatet visade att adsorption med aktivt kol är en effektiv avfärgningsmetod för den beige textilen, men inte för den svarta textilen. Framgångsrik avfärgning av den svarta textilen erhölls istället genom extraktion med etylenglykol. Sammanfattningsvis, mekanisk återvinning av den textilklädda stolpen resulterar i bibehållna värden för de mekaniska egenskaperna hos det återvunna materialet, förutom för brottförlängnigen. Detta bör göra det återvunna materialet lämpligt för användning i fordonsapplikationer, men inte för återvinning i ett slutet kretslopp (closed loop recycling) på grund av säkerhetsaspekter hos stolpen. Om hög kraft appliceras måste materialet kunna ändra form utan att gå sönder. Återvinning genom glykolys visar potential för att den avklippta polyestertextilen kan återvinnas i ett slutet kretslopp eftersom den avfärgade monomeren skulle kunna ompolymeriseras till ny PET. Det kan undersökas i framtida studier.
Due to the current climate change and the global problems plastics cause in the environment, it becomes increasingly important that today’s linear use of materials is changed to a circular use. In the automotive industry, the demand for increased availability and quality of recycled materials has been recognized. Following this, the research project Sustainable Vehicle Interior Solutions (SVIS) coordinated by RISE IVF was started in which the need for a more sustainable production of vehicle interiors is addressed. An objective is to reduce and recycle production waste. This study investigates the possibility to recycle textile and plastic from an interior multi-material component which in this case is a textile dressed plastic pillar. The pillar is made of polycarbonate (PC)/poly(acrylonitrile butadiene styrene) (ABS) plastic and polyester (PET) textile.  Mechanical recycling was performed on the textile dressed pillar. The possibility to separate textile from plastic was investigated and tested in a mill with a dust separator. Samples containing different amounts of PET were prepared and recycled to study the influence of PET. Two different compatibilizers were used to investigate potential improvement in compatibility of the blends. The level of separation of textile from plastic was analyzed by comparison of bulk density between the samples. To investigate the effect of compatibilizers and how the presence of PET influences the PC/ABS, mechanical testing, DSC and SEM were performed. The results showed that the separation of textile from plastic was not complete due to very high adhesion between the textile and plastic. Retained mechanical properties, except for the strain at break, were obtained for all recycled samples. Therefore, it could be concluded that the presence of PET does not affect the properties of the material negatively and separation or addition of compatibilizer is unnecessary. The results further show that PET becomes miscible with PC but does not affect the ABS phase. Chemical recycling through depolymerization with glycolysis was performed on black and beige polyester (PET) textile waste obtained as cut-off from the production of the pillars. The glycolysis was performed in lab-scale with ethylene glycol (EG) as solvent. The reaction took place at 230℃ for 1h with excess of solvent and a Mg-Al mixed oxide catalyst. The final product was separated from residues through several filtration steps and analyzed with DSC. From the result it could be observed that the obtained final product was the desired bis(2-hydroxyethyl) terephthalate (BHET) monomer. Dyes from the textile were still present in the monomer after depolymerization. Therefore, decolorization was performed. For the black textile, adsorption with active carbon and extraction with ethylene glycol were tested as decolorization methods. For the beige textile, solely adsorption with active carbon was performed. The decolorized products were analyzed by color measurement and/or through comparison to each other. The result showed that adsorption with active carbon is an effective decolorization method for the beige textile, but not for the black textile. Successful decolorization of the black textile was instead obtained by extraction with ethylene glycol.  To conclude, mechanical recycling of the textile dressed pillar results in retained values of the mechanical properties of the recycled material, except for the strain at break. This should make the recycled material suitable for use in automotive application, though not closed loop recycling because of safety aspects of the pillar. If high force is applied, the material needs to be able to change shape without breaking. Recycling through depolymerization shows potential for closed loop recycling of the polyester textile cut-off since the decolorized monomer could be repolymerized into new PET. This could be investigated in future studies.
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Nyström, Dag. "COMET: a component-based real-time database for vehicle control-systems." Licentiate thesis, Mälardalen University, Department of Computer Science and Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-97.

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Nyström, Dag. "COMET: a component-based real-time database for vehicle control-systems /." Västerås : Mälardalen University, 2003. http://www.mrtc.mdh.se/publications/0533.pdf.

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Narkhede, Yashdeep. "Simscape modeling of motor generator unit component for hybrid electric vehicle." Thesis, Georgia Institute of Technology, 2016. http://hdl.handle.net/1853/55047.

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The thesis introduces the user to programming in Simscape language. A permanent magnet synchronous machine torque control drive system for hybrid electric vehicles has been analyzed, programmed, using Simscape language, and tested in this thesis. The thesis walks the reader through the process of creating custom components in Simscape language explaining details and syntax of the language at every step. Important excerpts of code for all the components designed, created and used in the process are explained in the thesis and the complete code for the same is provided in the Appendix. ix
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Brown, William Shaler. "Technology for Designing the Steering Subsystem Component of an Autonomous Vehicle." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34960.

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Autonomous vehicles offer means to complete unsafe military operations without endangering the lives of soldiers. Such solutions have fueled many efforts towards designing autonomous, or unmanned, systems. Military and academic research efforts alike continue to focus on developing these systems. While many different autonomous vehicles have been introduced, however, such complex systems have limited drive-by-wire operability. The complete process to up-fit a vehicle to fully autonomous operation involves the design, up-fit, testing and verification of many different subsystems. The objective of this thesis is to design and model an autonomous steering system requiring little modifications to an existing steering system. It is desirable to still operate the vehicle manually as well as preserve the vehicleâ s visual appearance. Up-fit and implementation of the designed steering system and verification of its functionality has been documented as well. Utilization of the supplied controller and software has enabled the testing and characterization of the system. The proposed design offers a solution to a wide variety of wheeled vehicles steered via the traditional and common steering wheel method. In addition, modifications have been made to an existing simulation of an unmanned vehicle in a military testbed environment (Fort Benning). The simulation accounts for the control methodology as it has been designed and tested with, which offers the ability to analyze the dynamics of the unmanned system.
Master of Science
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Moeller, Robert D. (Robert David). "Optimization in-line vehicle sequencing systems : applications to Ford component manufacturing." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10158.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997, and Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1997.
Includes bibliographical references (p. 155-156).
by Robert D. Moeller.
M.S.
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Murphy, Patrick F. R. "Load-haul-dump vehicle component life prediction using experimentally acquired load histories." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2002. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ65641.pdf.

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Books on the topic "Vehicle component"

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Segal, David J. Vehicle component characterization. Washington, D.C.]: U.S. Dept. of Transportation, National Highway Traffic Safety Administration, 1987.

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Carr, Christopher H. The competitiveness of UK vehicle component manufacturers. [s.l.]: typescript, 1985.

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Britain's competitiveness: The management of the vehicle component industry. London: Routledge, 1990.

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George C. Marshall Space Flight Center., ed. Component response to random vibratory motion of the carrier vehicle. [Marshall Space Flight Center, Ala.]: National Aeronautics and Space Administration, George C. Marshall Space Flight Center, 1987.

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Institute, Highway Loss Data, ed. The Effect of vehicle component parts marking on theft losses. Arlington, Va. (1005 North Glebe Road, Arlington, Va. 22201): Highway Loss Data Institute, 1989.

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Georges, Fadel, and NASA Glenn Research Center, eds. The component packaging problem: A vehicle for the development of multidisciplinary design and analysis methodologies. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.

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Canada. Defence Research Establishment Atlantic. Research and Development Branch. Estimates for the added mass of a multi-component, deeply submerged vehicle: Part I : theory and program description. S.l: s.n, 1988.

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Electric vehicle structures & components. 2nd ed. Pahoa, Hawaii: Spirit Publications, 1994.

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Terpstra, Philip. Electric vehicle structures & components. Tucson, Ariz., U.S.A: Spirit Publications, 1992.

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(Firm), Mitchell1, ed. Electrical component locator: 2003 domestic vehicles. San Diego, Calif: Mitchell1, 2003.

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Book chapters on the topic "Vehicle component"

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Zhang, Xi, and Chris Mi. "HEV Component Design and Optimization for Fuel Economy." In Vehicle Power Management, 287–301. London: Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-736-5_9.

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Bergmeir, Philipp. "Classifying component failures of a vehicle fleet." In Enhanced Machine Learning and Data Mining Methods for Analysing Large Hybrid Electric Vehicle Fleets based on Load Spectrum Data, 19–82. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-20367-2_3.

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Fuchs, Andreas, Dustin Kern, Christoph Krauß, and Maria Zhdanova. "Securing Electric Vehicle Charging Systems Through Component Binding." In Lecture Notes in Computer Science, 387–401. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54549-9_26.

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Mohamad Junaida, L. H., and N. Sakundarini. "Material Selection for Lightweight Design of Vehicle Component." In Lecture Notes in Mechanical Engineering, 1001–15. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9505-9_88.

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Selvanayaki, Kolandapalayam Shanmugam, Rm Somasundaram, and J. Shyamala Devi. "Detection and Recognition of Vehicle Using Principal Component Analysis." In Proceedings of the International Conference on ISMAC in Computational Vision and Bio-Engineering 2018 (ISMAC-CVB), 1003–15. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-00665-5_97.

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Hawkins, P. N., and M. B. Pepys. "Serum Amyloid P Component: A Specific Molecular Targeting Vehicle in Amyloidosis." In Acute Phase Proteins in the Acute Phase Response, 187–206. London: Springer London, 1989. http://dx.doi.org/10.1007/978-1-4471-1739-1_15.

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Wu, Qing, and Zhaohui Wu. "Adaptive Component Management Service in ScudWare Middleware for Smart Vehicle Space." In Service-Oriented Computing – ICSOC 2007, 310–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11596141_24.

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Jaensch, Malte, and Hannes Bantle. "100 Experts, 1 Opinion: Predicting Future Electric Vehicle and Powertrain Component Sales." In CTI SYMPOSIUM 2018, 196–209. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-58866-6_16.

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Bao, Junxiao, Hao Dong, and Lupeng Song. "Software Component Design and Application for Telemetry Data Processing of Launch Vehicle." In Lecture Notes in Electrical Engineering, 5862–72. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6613-2_566.

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Raut, Sonu, Prema Daigavane, and M. B. Shaikh. "Test Bench of Automotive Component of an Electric Vehicle for Electrical Parameter Measurement." In Lecture Notes in Electrical Engineering, 479–88. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4692-1_37.

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Conference papers on the topic "Vehicle component"

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Maroju, Venkateshwarlu, and Gene Hou. "Component-Mode-Synthesis-Based Method for Vibration Targeting and Modification of Structural Components." In International Conference On Vehicle Structural Mechanics & Cae. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/951106.

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Sweeney, Shannon K. "Suspension Component with Internal Mechanical Resonator." In SAE 2006 Commercial Vehicle Engineering Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2006. http://dx.doi.org/10.4271/2006-01-3461.

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Nelson, Jody J. "EMC component and vehicle validation considerations for hybrid electric vehicles." In 2008 IEEE International Symposium on Electromagnetic Compatibility - EMC 2008. IEEE, 2008. http://dx.doi.org/10.1109/isemc.2008.4652190.

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Kasouf, Chickery J., William F. Jandeska, and David C. Zenger. "Global Component Sourcing: A Comparison of U.S. and Overseas Supplier Relations." In Global Vehicle Development Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/952783.

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Hellwig, Alexander David, Stefan Kriebel, Evgeny Kusmenko, and Bernhard Rumpe. "Component-based Integration of Interconnected Vehicle Architectures." In 2019 IEEE Intelligent Vehicles Symposium (IV). IEEE, 2019. http://dx.doi.org/10.1109/ivs.2019.8814245.

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Liao, Y. Gene, and Allen M. Quail. "Component sizing of traction motor in hybrid powertrains." In 2011 IEEE Vehicle Power and Propulsion Conference. IEEE, 2011. http://dx.doi.org/10.1109/vppc.2011.6043094.

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Tsai, Hsin-Ting, and Kuei-Yuan Chan. "Investigating the Impact of Component Uncertainty on Autonomous Vehicle Overtaking Maneuvers." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97504.

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Abstract Autonomous vehicles sense the environment and act accordingly using modern electronic and mechanical components. Although these subsystems and components are delicately designed and manufactured, uncertainties in real-world vehicle operations could cause various undesirable performance deviations or even failure. In this work, we study the impact of component uncertainties on vehicle overtaking maneuver, one of the most common actions in traffic. A model is built to simulate the flow of information and the actions of each component in the control strategy of overtaking. Possible variations of major components are investigated. The impact of uncertainties on the overtaking maneuver are first analyzed. Based on the results, we see that the angle resolution of the distance-detecting device has the biggest impact while the angular velocity-detecting device has relatively small influence. While the control strategy changes, we also observe the impact swifts. Therefore, one could systematically use the existing uncertainty to see how output performance changes by using the proposed model; alternatively, one could also study the robustness of the control strategy under uncertainties.
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Ratzel, Marc, and Warren Dias. "Fluid - Structure Interaction Analysis and Optimization of an Automotive Component." In SAE 2014 Commercial Vehicle Engineering Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2014. http://dx.doi.org/10.4271/2014-01-2446.

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Bishop, Neil, Philipp Roemelt, Andy Woodward, and Christoph Hallet. "Loads Cascading for Full Vehicle Component Design." In WCX SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2020. http://dx.doi.org/10.4271/2020-01-0762.

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Cui, Guosheng, Qi Wang, and Yuan Yuan. "Vehicle Detection Based on Semantic Component Analysis." In International Conference. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2632856.2632861.

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Reports on the topic "Vehicle component"

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Shoffner, Brent, Ryan Johnson, Martin J. Heimrich, and Michael Lochte. Powertrain Component Inspection from Mid-Level Blends Vehicle Aging Study. Office of Scientific and Technical Information (OSTI), November 2010. http://dx.doi.org/10.2172/1008841.

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Sullivan, J. L., A. Burnham, and M. Wang. Energy-consumption and carbon-emission analysis of vehicle and component manufacturing. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/993394.

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Kilfoyle, Daniel B., and Lee Freitag. Application of Spatial Modulation to the Underwater Acoustic Communication Component of Autonomous Underwater Vehicle Networks. Fort Belvoir, VA: Defense Technical Information Center, August 2005. http://dx.doi.org/10.21236/ada437524.

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Kilfoyle, Daniel B. Application of Spatial Modulation to the Underwater Acoustic Communication Component of Autonomous Underwater Vehicle Networks. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada633556.

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Fang, Chen. Unsettled Issues in Vehicle Autonomy, Artificial Intelligence, and Human-Machine Interaction. SAE International, April 2021. http://dx.doi.org/10.4271/epr2021010.

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Artificial intelligence (AI)-based solutions are slowly making their way into our daily lives, integrating with our processes to enhance our lifestyles. This is major a technological component regarding the development of autonomous vehicles (AVs). However, as of today, no existing, consumer ready AV design has reached SAE Level 5 automation or fully integrates with the driver. Unsettled Issues in Vehicle Autonomy, AI and Human-Machine Interaction discusses vital issues related to AV interface design, diving into speech interaction, emotion detection and regulation, and driver trust. For each of these aspects, the report presents the current state of research and development, challenges, and solutions worth exploring.
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Schexnayder, S. M. Environmental Evaluation of New Generation Vehicles and Vehicle Components. Office of Scientific and Technical Information (OSTI), February 2002. http://dx.doi.org/10.2172/814410.

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Ament, Rob, Marcel Huijser, and Dana May. Animal Vehicle Collision Reduction and Habitat Connectivity Cost Effective Solutions - Final Report. Nevada Department of Transportation, July 2022. http://dx.doi.org/10.15788/ndot2022.1.4.

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Wildlife-vehicle collisions (WVCs) are a significant component of overall crashes in the US and Canada. Roads and their traffic also create partial or total barriers to the movement of wildlife, both large and small. There are several well-studied proven mitigation measures that significantly reduce WVCs, provide for safe animal passage across roads, and maintain habitat connectivity. Highly effective measures, such as overpasses and underpasses with fencing can reduce large animal WVCs by over 80% – 100% on average; yet these structures can be costly and there is room for improvement in their design, the use of new materials, adding elements that improve their use by smaller animal species, such as reptiles and amphibians and improving their cost effectiveness. This Transportation Pooled Fund Study, TPF-5(358) (TPF Study), allowed researchers to evaluate the latest information on the effectiveness of 24 different highway mitigation measures designed to decrease collisions with large wildlife, large feral and domestic animals. Also reviewed were these same measures’ ability to protect small mammals, reptiles, and amphibians from collisions. The TPF Study also explored the effectiveness of the 24 measures ability to maintain or enhance habitat connectivity. It conducted 11 different research projects that variously explored a) the costs and benefits of animal-vehicle collisions and the mitigation measures that seek to reduce them, b) the ecological effectiveness of various mitigation measures, and 3) new designs for crossing structures for a variety of species. The project developed a manual of best practices and concluded with a final report.
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Tarko, Andrew P., Mario A. Romero, Vamsi Krishna Bandaru, and Cristhian Lizarazo. TScan–Stationary LiDAR for Traffic and Safety Applications: Vehicle Interpretation and Tracking. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317402.

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To improve traffic performance and safety, the ability to measure traffic accurately and effectively, including motorists and other vulnerable road users, at road intersections is needed. A past study conducted by the Center for Road Safety has demonstrated that it is feasible to detect and track various types of road users using a LiDAR-based system called TScan. This project aimed to progress towards a real-world implementation of TScan by building two trailer-based prototypes with full end-user documentation. The previously developed detection and tracking algorithms have been modified and converted from the research code to its implementational version written in the C++ programming language. Two trailer-based TScan units have been built. The design of the prototype was iterated multiple times to account for component placement, ease of maintenance, etc. The expansion of the TScan system from a one single-sensor unit to multiple units with multiple LiDAR sensors necessitated transforming all the measurements into a common spatial and temporal reference frame. Engineering applications for performing traffic counts, analyzing speeds at intersections, and visualizing pedestrian presence data were developed. The limitations of the existing SSAM for traffic conflicts analysis with computer simulation prompted the research team to develop and implement their own traffic conflicts detection and analysis technique that is applicable to real-world data. Efficient use of the development system requires proper training of its end users. An INDOT-CRS collaborative process was developed and its execution planned to gradually transfer the two TScan prototypes to INDOT’s full control. This period will be also an opportunity for collecting feedback from the end user and making limited modifications to the system and documentation as needed.
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Alexander, Serena E., Mariela Alfonzo, and Kevin Lee. Safeguarding Equity in Off-Site Vehicle Miles Traveled (VMT) Mitigation in California. Mineta Transportation Institute, November 2021. http://dx.doi.org/10.31979/mti.2021.2027.

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Historically, the State of California assessed the environmental impacts of proposed developments based on how it was projected to affect an area’s level of service (LOS). However, as LOS focused on traffic delays, many agencies simply widened roads, which was an ineffective way to reduce greenhouse gas emissions (GHGs). With the passage of Senate Bill (SB)743 in 2013, LOS was replaced by Vehicle Miles Traveled (VMT) as a more appropriate metric by which to gauge the environmental impacts of proposed development. Additionally, SB 743 presented an opportunity for off-site VMT mitigation strategies through banking and exchanges– allowing multiple development projects to fund a variety of strategies to reduce VMT elsewhere in the city or region. While the shift from LOS to VMT has generally been lauded, concerns remain about how to apply SB 743 effectively and equitably. This study aimed to: 1) understand how local governments are addressing this shift toward VMT while ensuring equity, including its approaches to off-site VMT mitigation; and 2) evaluate the various built environment factors that impact VMT, which should be considered by local governments, using both qualitative and quantitative research designs. The study posited that both micro and macro level aspects of the built environment needed to be considered when evaluating the impacts of proposed development on VMT, not only to ensure higher accuracy VMT models, but also because of the potential equity implications of off-site mitigation measures. Using multiple linear regression, the study shows that macroscale built environment features such as land use, density, housing, and employment access have a statistically significant impact on reducing VMT (35%), along with transit access (15%), microscale features such as sidewalks, benches, and trees (13%), and income (6%). More notably, a four-way interaction was detected, indicating that VMT is dependent on the combination of macro and micro level built environment features, public transit access, and income. Additionally, qualitative interviews indicate that transportation practitioners deal with three types of challenges in the transition to VMT impact mitigation: the lack of reliable, standardized VMT measure and evaluation tools; the lack of a strong legal foundation for VMT as a component of the California Environmental Quality Act (CEQA); and the challenge of distributing off-site VMT mitigation equitably. Overall, findings support a nuanced, multi-factor understanding of the context in which new developments are being proposed, both in terms of modeling VMT, but also when considering whether offsite mitigation would be appropriate. The results of this study can help California ensure equitable VMT mitigation that better aligns with the state’s climate goals.
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Cook, Joshua, Laura Ray, and James Lever. Dynamics modeling and robotic-assist, leader-follower control of tractor convoys. Engineer Research and Development Center (U.S.), February 2022. http://dx.doi.org/10.21079/11681/43202.

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This paper proposes a generalized dynamics model and a leader-follower control architecture for skid-steered tracked vehicles towing polar sleds. The model couples existing formulations in the literature for the powertrain components with the vehicle-terrain interaction to capture the salient features of terrain trafficability and predict the vehicles response. This coupling is essential for making realistic predictions of the vehicles traversing capabilities due to the power-load relationship at the engine output. The objective of the model is to capture adequate fidelity of the powertrain and off-road vehicle dynamics while minimizing the computational cost for model based design of leader-follower control algorithms. The leader-follower control architecture presented proposes maintaining a flexible formation by using a look-ahead technique along with a way point following strategy. Results simulate one leader-follower tractor pair where the leader is forced to take an abrupt turn and experiences large oscillations of its drawbar arm indicating potential payload instability. However, the follower tractor maintains the flexible formation but keeps its payload stable. This highlights the robustness of the proposed approach where the follower vehicle can reject errors in human leader driving.
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