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1
Muldoon, Richard C., KheeLoon “Richard” Foo, Hoi Kok “Daniel” Siew, Cheow Siang Ng, Victor Yeo, Teng Chye ”Lawrence” Lim, Chun Hock Sng, et al. "CROSSBOW REPORT (CROSSBOW VOLUME 1_." Thesis, Monterey, California. Naval Postgraduate School, 2001. http://hdl.handle.net/10945/7279.
Full textAbstract:
Includes supplementary material.Published as received: "volume 1" only.
Distributing naval combat power into many small ships and unmanned air vehicles that capitalize on emerging technology offers a transformational way to think about naval combat in the littorals in the 2020 time frame. Project CROSSBOW is an engineered systems of systems that proposes to use such distributed forces to provide forward presence to gain and maiantain access, to provide sea control, and to project combat power in the littoral regions of the world. Project CROSSBOW is the result of a yearlong, campus-wide, integrated research systems engineering effort involving 40 student researchers and 15 supervising faculty members. This report (Volume I) summarizes the CROSSBOW project. It catalogs the major features of each of the components, and includes by reference a separate volume for each of the major systems (ships, aircraft, and logistics). It also prresents the results of the mission and campaign analysis that informed the trade-offs between these components. It describes certain functions of CROSSBOW in detail through specialized supporting studies. The student work presented here is technologically feasible, integrated and imaginative. The student project cannot by itself provide definitive designs or analyses covering such a broad topic. It does strongly suggest that the underlying concepts have merit and deserve further serious study by the Navy as it transforms itself.
2
Veeravagu, Asoka (Asoka Aldous) 1970. "Development of an optimal manufacturing strategy for low-volume specialty vehicles." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/84524.
Full textAbstract:
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 2002.Includes bibliographical references (p. 83-84).
by Asoka Veeravagu.
S.M.
M.B.A.
3
Watson, Eric. "Sun-Synchronous Orbit Slot Architecture Analysis and Development." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/760.
Full textAbstract:
Space debris growth and an influx in space traffic will create a need for increased space traffic management. Due to orbital population density and likely future growth, the implementation of a slot architecture to Sun-synchronous orbit is considered in order to mitigate conjunctions among active satellites. This paper furthers work done in Sun-synchronous orbit slot architecture design and focuses on two main aspects. First, an in-depth relative motion analysis of satellites with respect to their assigned slots is presented. Then, a method for developing a slot architecture from a specific set of user defined inputs is derived.
4
Kirsch, Michael F. (Michael Frederick). "Low volume niche vehicle assembly in a high volume plant." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/35419.
Full textAbstract:
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1994, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.Includes bibliographical references (p. 119).
by Michael F. Kirsch.
M.S.
5
Toth, Kristin Elisabeth 1975. "Effective strategies for low volume vehicle programs." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/84361.
Full textAbstract:
Thesis (S.M.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 2003.Includes bibliographical references (p. 77-78).
by Kristin Elisabeth Toth.
S.M.
6
Keogh, Diane Underwood. "Development of a particle number and particle mass emissions inventory for an urban fleet : a study in South-East Queensland." Thesis, Queensland University of Technology, 2009. https://eprints.qut.edu.au/30297/1/Diane_Keogh_Thesis.pdf.
Full textAbstract:
Motor vehicles are a major source of gaseous and particulate matter pollution in urban areas, particularly of ultrafine sized particles (diameters < 0.1 µm). Exposure to particulate matter has been found to be associated with serious health effects, including respiratory and cardiovascular disease, and mortality. Particle emissions generated by motor vehicles span a very broad size range (from around 0.003-10 µm) and are measured as different subsets of particle mass concentrations or particle number count. However, there exist scientific challenges in analysing and interpreting the large data sets on motor vehicle emission factors, and no understanding is available of the application of different particle metrics as a basis for air quality regulation. To date a comprehensive inventory covering the broad size range of particles emitted by motor vehicles, and which includes particle number, does not exist anywhere in the world. This thesis covers research related to four important and interrelated aspects pertaining to particulate matter generated by motor vehicle fleets. These include the derivation of suitable particle emission factors for use in transport modelling and health impact assessments; quantification of motor vehicle particle emission inventories; investigation of the particle characteristic modality within particle size distributions as a potential for developing air quality regulation; and review and synthesis of current knowledge on ultrafine particles as it relates to motor vehicles; and the application of these aspects to the quantification, control and management of motor vehicle particle emissions. In order to quantify emissions in terms of a comprehensive inventory, which covers the full size range of particles emitted by motor vehicle fleets, it was necessary to derive a suitable set of particle emission factors for different vehicle and road type combinations for particle number, particle volume, PM1, PM2.5 and PM1 (mass concentration of particles with aerodynamic diameters < 1 µm, < 2.5 µm and < 10 µm respectively). The very large data set of emission factors analysed in this study were sourced from measurement studies conducted in developed countries, and hence the derived set of emission factors are suitable for preparing inventories in other urban regions of the developed world. These emission factors are particularly useful for regions with a lack of measurement data to derive emission factors, or where experimental data are available but are of insufficient scope. The comprehensive particle emissions inventory presented in this thesis is the first published inventory of tailpipe particle emissions prepared for a motor vehicle fleet, and included the quantification of particle emissions covering the full size range of particles emitted by vehicles, based on measurement data. The inventory quantified particle emissions measured in terms of particle number and different particle mass size fractions. It was developed for the urban South-East Queensland fleet in Australia, and included testing the particle emission implications of future scenarios for different passenger and freight travel demand. The thesis also presents evidence of the usefulness of examining modality within particle size distributions as a basis for developing air quality regulations; and finds evidence to support the relevance of introducing a new PM1 mass ambient air quality standard for the majority of environments worldwide. The study found that a combination of PM1 and PM10 standards are likely to be a more discerning and suitable set of ambient air quality standards for controlling particles emitted from combustion and mechanically-generated sources, such as motor vehicles, than the current mass standards of PM2.5 and PM10. The study also reviewed and synthesized existing knowledge on ultrafine particles, with a specific focus on those originating from motor vehicles. It found that motor vehicles are significant contributors to both air pollution and ultrafine particles in urban areas, and that a standardized measurement procedure is not currently available for ultrafine particles. The review found discrepancies exist between outcomes of instrumentation used to measure ultrafine particles; that few data is available on ultrafine particle chemistry and composition, long term monitoring; characterization of their spatial and temporal distribution in urban areas; and that no inventories for particle number are available for motor vehicle fleets. This knowledge is critical for epidemiological studies and exposure-response assessment. Conclusions from this review included the recommendation that ultrafine particles in populated urban areas be considered a likely target for future air quality regulation based on particle number, due to their potential impacts on the environment. The research in this PhD thesis successfully integrated the elements needed to quantify and manage motor vehicle fleet emissions, and its novelty relates to the combining of expertise from two distinctly separate disciplines - from aerosol science and transport modelling. The new knowledge and concepts developed in this PhD research provide never before available data and methods which can be used to develop comprehensive, size-resolved inventories of motor vehicle particle emissions, and air quality regulations to control particle emissions to protect the health and well-being of current and future generations.
7
Keogh, Diane Underwood. "Development of a particle number and particle mass emissions inventory for an urban fleet : a study in South-East Queensland." Queensland University of Technology, 2009. http://eprints.qut.edu.au/30297/.
Full textAbstract:
Motor vehicles are a major source of gaseous and particulate matter pollution in urban areas, particularly of ultrafine sized particles (diameters < 0.1 µm). Exposure to particulate matter has been found to be associated with serious health effects, including respiratory and cardiovascular disease, and mortality. Particle emissions generated by motor vehicles span a very broad size range (from around 0.003-10 µm) and are measured as different subsets of particle mass concentrations or particle number count. However, there exist scientific challenges in analysing and interpreting the large data sets on motor vehicle emission factors, and no understanding is available of the application of different particle metrics as a basis for air quality regulation. To date a comprehensive inventory covering the broad size range of particles emitted by motor vehicles, and which includes particle number, does not exist anywhere in the world. This thesis covers research related to four important and interrelated aspects pertaining to particulate matter generated by motor vehicle fleets. These include the derivation of suitable particle emission factors for use in transport modelling and health impact assessments; quantification of motor vehicle particle emission inventories; investigation of the particle characteristic modality within particle size distributions as a potential for developing air quality regulation; and review and synthesis of current knowledge on ultrafine particles as it relates to motor vehicles; and the application of these aspects to the quantification, control and management of motor vehicle particle emissions. In order to quantify emissions in terms of a comprehensive inventory, which covers the full size range of particles emitted by motor vehicle fleets, it was necessary to derive a suitable set of particle emission factors for different vehicle and road type combinations for particle number, particle volume, PM1, PM2.5 and PM1 (mass concentration of particles with aerodynamic diameters < 1 µm, < 2.5 µm and < 10 µm respectively). The very large data set of emission factors analysed in this study were sourced from measurement studies conducted in developed countries, and hence the derived set of emission factors are suitable for preparing inventories in other urban regions of the developed world. These emission factors are particularly useful for regions with a lack of measurement data to derive emission factors, or where experimental data are available but are of insufficient scope. The comprehensive particle emissions inventory presented in this thesis is the first published inventory of tailpipe particle emissions prepared for a motor vehicle fleet, and included the quantification of particle emissions covering the full size range of particles emitted by vehicles, based on measurement data. The inventory quantified particle emissions measured in terms of particle number and different particle mass size fractions. It was developed for the urban South-East Queensland fleet in Australia, and included testing the particle emission implications of future scenarios for different passenger and freight travel demand. The thesis also presents evidence of the usefulness of examining modality within particle size distributions as a basis for developing air quality regulations; and finds evidence to support the relevance of introducing a new PM1 mass ambient air quality standard for the majority of environments worldwide. The study found that a combination of PM1 and PM10 standards are likely to be a more discerning and suitable set of ambient air quality standards for controlling particles emitted from combustion and mechanically-generated sources, such as motor vehicles, than the current mass standards of PM2.5 and PM10. The study also reviewed and synthesized existing knowledge on ultrafine particles, with a specific focus on those originating from motor vehicles. It found that motor vehicles are significant contributors to both air pollution and ultrafine particles in urban areas, and that a standardized measurement procedure is not currently available for ultrafine particles. The review found discrepancies exist between outcomes of instrumentation used to measure ultrafine particles; that few data is available on ultrafine particle chemistry and composition, long term monitoring; characterization of their spatial and temporal distribution in urban areas; and that no inventories for particle number are available for motor vehicle fleets. This knowledge is critical for epidemiological studies and exposure-response assessment. Conclusions from this review included the recommendation that ultrafine particles in populated urban areas be considered a likely target for future air quality regulation based on particle number, due to their potential impacts on the environment. The research in this PhD thesis successfully integrated the elements needed to quantify and manage motor vehicle fleet emissions, and its novelty relates to the combining of expertise from two distinctly separate disciplines - from aerosol science and transport modelling. The new knowledge and concepts developed in this PhD research provide never before available data and methods which can be used to develop comprehensive, size-resolved inventories of motor vehicle particle emissions, and air quality regulations to control particle emissions to protect the health and well-being of current and future generations.
8
Mohammadian, Saeed. "Freeway traffic flow dynamics and safety: A behavioural continuum framework." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/227209/1/Saeed_Mohammadian_Thesis.pdf.
Full textAbstract:
Congestion and rear-end crashes are two undesirable phenomena of freeway traffic flows, which are interrelated and highly affected by human psychological factors. Since congestion is an everyday problem, and crashes are rare events, congestion management and crash risk prevention strategies are often implemented through separate research directions. However, overwhelming evidence has underscored the inter-relation between rear-end crashes and freeway traffic flow dynamics in recent decades. This dissertation develops novel mathematical models for freeway traffic flow dynamics and safety to integrate them into a unifiable framework. The outcomes of this PhD can enable moving towards faster and safer roads.
9
Harris, Turner John. "CONSTRAINED VOLUME PACKING OF DEPLOYABLE WINGS FOR UNMANNED AIRCRAFT." UKnowledge, 2011. http://uknowledge.uky.edu/gradschool_theses/129.
Full textAbstract:
UAVs are becoming an accepted tool for sensing. The benefits of deployable wings allow smaller transportation enclosures such as soldier back packs up to large rocket launched extraterrestrial UAVs. The packing of soft inflatable wings and Hybrid inflatable with rigid section wings is being studied at the University of Kentucky. Rigid wings are volume limited while inflatable wings are mass limited. The expected optimal wing design is a hybrid approach. Previous wing designs have been packed into different configurations in an attempt to determine the optimal stowed configurations. A comparison of rigid, hybrid, and inflatable wings will be presented. Also a method for simulating optimally packed wings with respect to geometric constraints will be presented. A code has been written to study soft wing packing and verified the soft wing packing results. This code can be used during initial wing design to help predict wing size and packing configurations. In this thesis, an over view of the packing configurations as well as packing observations will be covered such , packing inefficiencies, wing mounting limits, long term storage, and scaling of packing.
10
Jomaa, Diala, Siril Yella, and Mark Dougherty. "Review of the effectiveness of vehicle activated signs." Högskolan Dalarna, Datateknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:du-11798.
Full textAbstract:
This paper reviews the effectiveness of vehicle activated signs. Vehicle activated signs are being reportedly used in recent years to display dynamic information to road users on an individual basis in order to give a warning or inform about a specific event. Vehicle activated signs are triggered individually by vehicles when a certain criteria is met. An example of such criteria is to trigger a speed limit sign when the driver exceeds a pre-set threshold speed. The preset threshold is usually set to a constant value which is often equal, or relative, to the speed limit on a particular road segment. This review examines in detail the basis for the configuration of the existing sign types in previous studies and explores the relation between the configuration of the sign and their impact on driver behavior and sign efficiency. Most of previous studies showed that these signs have significant impact on driver behavior, traffic safety and traffic efficiency. In most cases the signs deployed have yielded reductions in mean speeds, in speed variation and in longer headways. However most experiments reported within the area were performed with the signs set to a certain static configuration within applicable conditions. Since some of the aforementioned factors are dynamic in nature, it is felt that the configurations of these signs were thus not carefully considered by previous researchers and there is no clear statement in the previous studies describing the relationship between the trigger value and its consequences under different conditions. Bearing in mind that different designs of vehicle activated signs can give a different impact under certain conditions of road, traffic and weather conditions the current work suggests that variable speed thresholds should be considered instead.
11
Westerlund, Robin. "Decentralized Reservation of Spatial Volumes by Autonomous Vehicles : Investigating the Applicability of Blockchain and Smart Contracts." Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-19616.
Full textAbstract:
Background: Due to the rising popularity of autonomous unmanned vehicles, and the lack of well-defined rules to follow, a solution is needed when the physical space is crowded to a point where it becomes a hazard. Partitioning space discretely is currently done in some cases, allowing vehicles to reserve partitions to operate within. This idea is expanded upon to ultimately propose a blockchain-based solution to the inefficiency of safety margins. Objectives: The main objective was to explore whether a blockchain-based system can be used by vehicles to automatically reserve the volumes of space they need for a limited time. The solution to congestion becomes a method for vehicles to communicate between each other to exchange the remainder of their reservations once they are no longer needed, even while disconnected from the main blockchain network, in exchange for the same currency used to reserve the volumes. Methods: An Ethereum private blockchain network is set up, and a smart contract is developed and deployed onto this blockchain. An emulation program used the smart contract functions to reserve and exchange volumes to evaluate the functionality, several isolated tests evaluated the network performance, and aspects that could not be tested were theoretically analyzed. Results: The system functions as intended, although a level of trust is required during exchanges. There is no risk of two vehicles reserving the same volume at the same time. The results indicate that some performance aspects will be affected by an increasing number of users, although the entire effect can be placed on synchronization time if the network parameters are adjusted. This likely affects the overall efficiency but not as much as it would with the original parameters. Conclusions: The proposed solution is viable to use, although further development is necessary before it is ready for release. The necessity currently is not evident, although projections suggest that this solution, or a similar one, will be necessary in the future.
12
Iqbal, Md Shahadat. "Data Support of Advanced Traveler Information System Considering Connected Vehicle Technology." FIU Digital Commons, 2017. https://digitalcommons.fiu.edu/etd/3495.
Full textAbstract:
Traveler information systems play a significant role in most travelers’ daily trips. These systems assist travelers in choosing the best routes to reach their destinations and possibly select suitable departure times and modes for their trips. Connected Vehicle (CV) technologies are now in the pilot program stage. Vehicle-to-Infrastructure (V2I) communications will be an important source of data for traffic agencies. If this data is processed properly, then agencies will be able to better determine traffic conditions, allowing them to take proper countermeasures to remedy transportation system problems under different conditions.
This research focuses on developing methods to assess the potential of utilizing CV data to support the traveler information system data collection process. The results from the assessment can be used to establish a timeline indicating when an agency can stop investing, at least partially, in traditional technologies, and instead rely on CV technologies for traveler information system support. This research utilizes real-world vehicle trajectory data collected under the Next Generation Simulation (NGSIM) program and simulation modeling to emulate the use of connected vehicle data to support the traveler information system. NGSIM datasets collected from an arterial segment and a freeway segment are used in this research. Microscopic simulation modeling is also used to generate required trajectory data, allowing further analysis, which is not possible using NGSIM data.
The first step is to predict the market penetration of connected vehicles in future years. This estimated market penetration is then used for the evaluation of the effectiveness of CV-based data for travel time and volume estimation, which are two important inputs for the traveler information system. The travel times are estimated at different market penetrations of CV. The quality of the estimation is assessed by investigating the accuracy and reliability with different CV deployment scenarios. The quality of volume estimates is also assessed using the same data with different future scenarios of CV deployment and partial or no detector data. Such assessment supports the identification of a timeline indicating when CV data can be used to support the traveler information system.
13
Gulbahar, Sertan. "Preform Design For Forging Of Heavy Vehicle Steering Joint." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12604696/index.pdf.
Full textAbstract:
In automotive industry, forgings are widely used especially in safety related applications, typically suspension, brake and steering systems. In this study, forging process of a steering joint used in heavy vehicles has been examined. This particular part has a non-planar parting surface and requires a series of operations, which includes fullering, bending and piercing on a forging press. Forging companies generally use trial-and-error methods during the design stage. Also to ensure complete die filling at the final stage, extra material is added to the billet geometry. However, the forging industry is becoming more competitive finding a way to improve the quality of the product while reducing the production costs.
For this purpose, a method is proposed for the design of the preform dies to reduce the material wastage, number of applied strokes and production costs. The designed operations were examined by using a commercially available finite volume analysis software. The necessary dies have been manufactured in METU-BILTIR CAD/CAM Center. The designed process has been verified by the experimental work in a forging company. As a result of this study, remarkable reduction in the flash, i.e. waste of material, has been achieved with a reasonable number of forging operations.
In addition to forging of the steering joint, forging of a chain bracket, which has bent sections with planar parting surface, has also been observed and analyzed during the study. An intermediate bending stage has been proposed to replace the manual hammering stage and satisfactory results have been observed in simulations.
14
Riström, Anton, and Aditya Naronikar. "CFD and Experimental Study of Refuelling and Venting a Fuel System." Thesis, Luleå tekniska universitet, Rymdteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-75410.
Full textAbstract:
In 1999, California Air Resources Board (CARB) implemented a regulation that required all gasoline cars sold in California be fitted with an Onboard Refueling Vapor Recovery System (ORVR). The ORVR system is designed to prevent Volatile Organic Compounds (VOCs) from escaping into the atmosphere during refuelling by storing the gas vapours in a carbon canister. Due to the complex nature of the fuel system, making design changes could have large implications on the ORVR performance of the vehicle. It is therefore desirable to develop a CFD model that can predict the effects of design changes, thereby reducing the need to perform physical tests on each design iteration. This master thesis project was performed at the Fuel Systems department at Volvo Cars in order to help reduce project lead times and product development costs by incorporating CFD as a part of the fuel system development cycle. The CFD results obtained were validated through experimental tests that were also performed as part of this project. In this master thesis project, a CFD model was developed to simulate the refuelling of gasoline for a California specification Volvo XC90 with an OPW-11B pump pistol. The model was set up in STAR-CCM+ using the Eulerian Volume of Fluid model for multiphase flow, the RANS realizable k − ε turbulence model and the two layer all y + wall treatment. The effects of the carbon canister were modelled as a porous baffle interface in the simulations where viscous and inertial resistances of the porous media were adjusted to obtain a desired pressure drop across the canister. This method proved to be a suitable simplification for this study. The effects of evaporation as well as a chemical adsorption model for the carbon canister have been excluded from the project due to time limitations. It was found that the CFD simulations were in good agreement with the experimental results, especially with respect to capturing the overall behaviour of the fuel system during refuelling. It was found that resolving the flow spatially (and temporally) in the filler pipe was a crucial part in ensuring solver stability. A pressure difference between experiment and simulation was also observed as a consequence of excluding evaporation from the CFD model. After the CFD model had been verified and validated, changes to different parts of the fuel system were investigated to observe their effects on ORVR performance. These included changing the recirculation line diameter, changing the carbon canister properties and changing the angle of how the pump pistol was inserted into the capless unit. It was found that the recirculation line diameter is a very sensitive design parameter and increasing the diameter would result in fuel vapour leaking back out into the atmosphere. Similarly, increasing the back pressure by swapping to a different carbon canister would result in the leakage of fuel vapour. On the other hand, insignificant changes in system behaviour were observed when the fuel pistol angle was changed.In 1999, California Air Resources Board (CARB) implemented a regulation that required all gasoline cars sold in California be fitted with an Onboard Refueling Vapor Recovery System (ORVR). The ORVR system is designed to prevent Volatile Organic Compounds (VOCs) from escaping into the atmosphere during refuelling by storing the gas vapours in a carbon canister. Due to the complex nature of the fuel system, making design changes could have large implications on the ORVR performance of the vehicle. It is therefore desirable to develop a CFD model that can predict the effects of design changes, thereby reducing the need to perform physical tests on each design iteration. This master thesis project was performed at the Fuel Systems department at Volvo Cars in order to help reduce project lead times and product development costs by incorporating CFD as a part of the fuel system development cycle. The CFD results obtained were validated through experimental tests that were also performed as part of this project. In this master thesis project, a CFD model was developed to simulate the refuelling of gasoline for a California specification Volvo XC90 with an OPW-11B pump pistol. The model was set up in STAR-CCM+ using the Eulerian Volume of Fluid model for multiphase flow, the RANS realizable k − ε turbulence model and the two layer all y + wall treatment. The effects of the carbon canister were modelled as a porous baffle interface in the simulations where viscous and inertial resistances of the porous media were adjusted to obtain a desired pressure drop across the canister. This method proved to be a suitable simplification for this study. The effects of evaporation as well as a chemical adsorption model for the carbon canister have been excluded from the project due to time limitations. It was found that the CFD simulations were in good agreement with the experimental results, especially with respect to capturing the overall behaviour of the fuel system during refuelling. It was found that resolving the flow spatially (and temporally) in the filler pipe was a crucial part in ensuring solver stability. A pressure difference between experiment and simulation was also observed as a consequence of excluding evaporation from the CFD model. After the CFD model had been verified and validated, changes to different parts of the fuel system were investigated to observe their effects on ORVR performance. These included changing the recirculation line diameter, changing the carbon canister properties and changing the angle of how the pump pistol was inserted into the capless unit. It was found that the recirculation line diameter is a very sensitive design parameter and increasing the diameter would result in fuel vapour leaking back out into the atmosphere. Similarly, increasing the back pressure by swapping to a different carbon canister would result in the leakage of fuel vapour. On the other hand, insignificant changes in system behaviour were observed when the fuel pistol angle was changed.
15
Campomanes, Campomanes Alfredo Jorge, and Olivera Joel Moisés López. "Reducción de la congestión vehicular a través de la implementación de la Ola Verde en la Av. Caminos del Inca en el tramo comprendido entre Jr. Batallón Callao Norte y Jr. Cádiz en el distrito de Surco." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2019. http://hdl.handle.net/10757/626381.
Full textAbstract:
El congestionamiento vehicular es uno de los problemas que más se agudiza en la ciudad de Lima. Este problema se ve reflejada en casi todas las calles y avenidas principales de la ciudad, debido a factores como el incremento del parque automotor que hacen colapsar la capacidad de la infraestructura y dejan en desuso la gestión de tránsito para la que fue diseñada; dicho de otra manera, el incremento del flujo vehicular ocasiona gran congestión, largas colas, prolongadas demoras y niveles de servicio deficientes. La zona de estudio a tratar se encuentra en el distrito de Surco y la vía intervenida es la avenida Caminos del Inca en el tramo del jirón Batallón Callao hasta el jirón Cádiz atravesando avenidas importantes como Velazco Astete e Higuereta. Esta avenida es una de las más transitadas del distrito de Surco a causa de los centros comerciales, institutos, universidades, entre otros, que se encuentran cercanas a esta importante arteria vial.
Por ello, este trabajo de tesis tiene como objetivo principal disminuir la congestión vehicular de la Av. Caminos del Inca en el tramo de estudio y mejorar los niveles de servicio en sus intersecciones con la implementación de la ola verde a través del modelamiento y simulación en el software Synchro 8.
Para la elaboración de este trabajo se recopilaron datos de campo como el aforo vehicular para determinar la hora punta y el volumen horario de máxima demanda vehicular, asimismo se realizó la medición de los ciclos semafóricos y sus faces en un día típico de la semana. Con todos estos datos compilados en el trabajo de campo, se obtuvieron los grados de saturación y los niveles de servicio actuales para que posteriormente sean evaluadas a fin de implementar la ola verde y optimizar el tránsito.
Finalmente, con la implementación de la ola verde y las modificaciones de gestión de tráfico se obtuvieron mejoras notables como optimización de los niveles de servicio en las intersecciones, por ejemplo, en la intersección N° 01 pasó de C a B, en la N° 02 de F a D, en la N° 03 de C a B y en la N° 04 de C a B; asimismo, las esperas en las intersecciones disminuyeron favorablemente como se indica a continuación, en la intersección N° 01 Bajó de 20.1s a 16.7s, en la N° 02 de 332.2s a 35.3s, en la N° 03 de 239.9s a 11.4s y en la N° 04 de 37.0s a 6.3s; de igual forma, el tiempo de recorrido de un punto extremo, intersección N° 01, al otro, Intersección N° 04, mejoró considerablemente de 6 minutos y 30 segundos aproximadamente a 1 minuto y 28 |segundos debido a la sincronización progresiva del color verde de los semáforos en cada intersección.Traffic congestion is one of the most acute problems in the city of Lima. This problem is reflected in almost all the streets and main avenues of the city, due to factors such as the increase in the vehicle fleet that collapses the capacity of the road infrastructure and leaves the traffic management for which it was designed in disuse; In other words, the increase in the flow of vehicles causes great congestion, long queues of vehicles, prolonged delays and poor service levels. The study area to be treated is in the district of Surco and the intervened road is the Caminos del Inca avenue in the stretch from Batallón Callao street to Cádiz street crossing important avenues such as Velazco Astete and Higuereta. This is one of most heavily traveled avenue in the district of Surco because of the shopping centers, institutes, universities, among others, that are close to this important traffic artery. Therefore, this thesis work has as main objective to reduce the vehicular congestion of this avenue and improve the service levels of its intersections with the implementation of the green wave through modeling and simulation in the Synchro 8 software. For the elaboration of this research work, field data were collected, such as the vehicle capacity to determine the peak hour and the hourly volume of maximum vehicular demand, as well as the measurement of the traffic light cycles and their faces in a typical day of the week. With all this data compiled in the field work, saturation degrees and current service levels were obtained so that later they can be evaluated in order to implement the green wave and optimize traffic. Finally, with the implementation of the green wave and traffic management modifications, notable improvements were obtained such as optimization of service levels at intersections, for example, at intersection No. 01 it went from C to B, at No. 02 from F to D, in No. 03 from C to B and in No. 04 from C to B; in the same way, the travel time from an extreme point, intersection No. 01, to the other, Intersection No. 04, improved considerably from 6 minutes and 30 seconds approximately to 1 minute and 28 seconds due to the progressive synchronization of the green colour of the traffic lights in each intersection.
Tesis
16
Haskell, Christopher Kent. "The Impact of Bicycle Corridors on Travel Demand in Utah." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/5702.
Full textAbstract:
Bicycling as an alternate mode of transportation has been on the rise. It is environmentally friendly in nature and the associated health benefits have made it a popular choice for many types of trips. The purpose of this research is to increase understanding of the impacts of implementing bicycle corridors (as part of the Utah Department of Transportation's (UDOT) Inclusion of Active Transportation policy) on bicycle rate as a function of roadway characteristics. The results of this research will be used in determining when and where bicycle corridors will enhance the transportation system and an estimate of the overall impact of bicycle corridors on travel demand in Utah. Data collection was fundamental in this research project in determining the impacts of bicycle corridors on travel demands in the state of Utah. With limited amount of commuting bicycle data available throughout the state, it was necessary to gather bicycle volume data on corridors with and without bicycle infrastructure. In order to accomplish this data collection effort, two primary methods were used to collect bicycle volume data. The first method was to use automatic bicycle counters on roadways that had bicycle infrastructure. The second method was to gather bicycle volume data through manual counts on roads with and without bicycle infrastructure. After the bicycle volume data were collected the data were analyzed to identify trends. The first step in the analysis was to convert the bicycle volumes into rates to provide a more uniform comparison. Several analyses were run including an analysis of bicycle rate compared to Annual Average Daily Traffic (AADT), bicycle rate compared to posted speed limit, bicycle rate compared to number of vehicle lanes, and bicycle rate compared to roadway classification. A comparison of sites with bicycle infrastructure to sites without bicycle infrastructure (non-bicycle infrastructure) was also conducted to identify relationships. Comparison of bicycle rates to AADT resulted in no correlation or statistical relationship in the data but the data do suggest trends. Statistically significant results did occur when comparing bicycle rates to posted speed limits. No statistically significant relationships occurred when comparing bicycle rates to the number of lanes or roadway classification. It was determined that roadways with bicycle infrastructure tend to yield higher bicycle rates than roadways that do not have bicycle infrastructure. Lastly, using shared use path data it is determined that bicycle rates on shared use paths have increased between 1.7 to 7.5 percent from 2013 to 2014 and it is assumed that a similar trend would exist on bicycle infrastructure in the communities.
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Лачук, Павло Ігорович, and Pavlo Lachuk. "Підвищення ефективності організації обслуговування пасажирів на приміському маршруті." Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2021. http://elartu.tntu.edu.ua/handle/lib/36962.
Full textAbstract:
Роботу виконано на кафедрі автомобілів Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України. Захист відбудеться 22 грудня 2021 р. о 10:00 годині на засіданні екзаменаційної комісії № 20 у Тернопільському національному технічному університеті імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Текстильна, 28, навчальний корпус № 9.ВСТУП...5 ТЕОРЕТИЧНИЙ РОЗДІЛ...6 1.1 Актуальність організації приміських пасажирських перевезень...6 1.2 Коротка характеристика автотранспортного підприємства...8 1.3 Обґрунтування теми кваліфікаційної роботи магістра...13 АНАЛІТИКО-ДОСЛІДНИЦЬКИЙ РОЗДІЛ...15 2.1 Характерстика досліджуваного приміського маршруту №8...15 2.2 Аналіз потоку пасажирів на досліджуваному маршруті...20 2.3 Дослідження обсягів перевезення на приміському маршруті...37 ПРОЕКТНО-РЕКОМЕНДАЦІЙНИЙ РОЗДІЛ...41 3.1 Побудова трендів для прогнозування обсягів пасажирських перевезень...41 3.2 Вибір найбільш точного тренду для виконання прогнозу..47 ОХОРОНА ПРАЦІ ТА БЕЗПЕКА В НАДЗВИЧАЙНИХ СИТУАЦІЯХ...52 4.1. Охорона праці при автобусних пасажирських перевезеннях...52 4.2. Правила поведінки у надзвичайних ситуаціях на автомобільному транспорті...54 ЗАГАЛЬНІ ВИСНОВКИ...59 СПИСОК ВИКОРИСТАНИХ ДЖЕРЕЛ...60
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Чорній, Богдан Петрович, and Bohdan Chornii. "Підвищення ефективності доставки вантажів змішаними видами транспорту на прикладі індустріального району." Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2021. http://elartu.tntu.edu.ua/handle/lib/36964.
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Роботу виконано на кафедрі автомобілів Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України. Захист відбудеться 22 грудня 2021 р. о 10:00 годині на засіданні екзаменаційної комісії № 20 у Тернопільському національному технічному університеті імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Текстильна, 28, навчальний корпус № 9.Магістерська робота складається із вступу, чотирьох розділів, висновків, списку використаних джерел із найменувань. Загальний обсяг магістерської роботи становить сторінки, рисунків і таблиць. Мета і завдання дослідження. Метою роботи є розробка технічних режимів взаємодіючих видів транспорту та їх порівняльна оцінка при перевантаженні вантажів.
ВСТУП...5 ТЕОРЕТИЧНИЙ РОЗДІЛ...6 1.1 Аналіз індустріальної промисловості...6 1.2 Огляд діяльності промислових підприємств...7 1.3 Формулювання (постановка) завдань кваліфікаційної роботи магістра.....12 АНАЛІТИКО-ДОСЛІДНИЦЬКИЙ РОЗДІЛ...13 2.1 Аналіз відправлення різних видів вантажів...13 2.2 Визначення середньостатистичного навантаження різного роду вантажів...19 ПРОЕКТНО-РЕКОМЕНДАЦІЙНИЙ РОЗДІЛ...43 3.1 Розробка технічних режимів взаємодіючих видів транспорту...43 3.2 Порівняльна оцінка режимів взаємодії видів транспорту...49 ОХОРОНА ПРАЦІ ТА БЕЗПЕКА В НАДЗВИЧАЙНИХ СИТУАЦІЯХ...50 4.1. Оперативний контроль за станом охорони праці на підприємствах галузі...50 4.2. Засоби індивідуального і колективного захисту працівників автопідприємства...53 ЗАГАЛЬНІ ВИСНОВКИ...57 СПИСОК ВИКОРИСТАНИХ ДЖЕРЕЛ...59
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Gustafsson, Henrik, and Schenck Malva von. "Konceptframtagning av samordnad varudistribution : En fallstudie för implementering av ett hållbart ”last mile”." Thesis, Uppsala universitet, Industriell teknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-415327.
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The goods distribution companies are today controlled by customer needs and environmental goals. New customer needs that have arisen the past years are that the goods distribution should be ecologically sustainable and leave the lowest possible ecological footprint. There are several possible vehicle and routing concepts as well as system perspectives appropriate for product distribution. This study aims to investigate the appropriate concept that meets customer needs. KPI: s are used to measure the performance of companies. One problem with goods distribution by automobile transportation is the accessibility in the traffic that follows. Congestion, pedestrian- and one-way streets as well as to park decrease accessibility. The problem with replacing automobile vehicles with the chosen vehicle concept in this study, electric-powered cargo bikes, is that productivity risks to be degraded from a system perspective since the cargo volume is significantly smaller with an electric-powered bicycle. But the customer's framework conditions need to be followed and the goods distribution companies should also consider that environmental zones could be introduced in their municipalities. Various vehicles that are being used today worldwide to deliver goods are heavy trucks, light trucks, and bicycles. These deliveries are routed with a route optimization program. Vehicle load carriers are designed differently and therefore have different load capacities. High load capacity is an advantageous characteristic of productivity. With bicycle implementation, a reload point may be necessary if there is too long of a distance between the distribution center and the area of the recipient. This study is based on an explorative research purpose and an inductive research approach. The set questions of the study were answered mainly through qualitative research methods, but also quantitative research methods were used. The results show that an electric-powered cargo bicycle, called the Starke cycle, will be proposed to be implemented as a vehicle concept together with a movable transshipment point and a garage for the bicycles. A conclusion drawn by the study is that the customer's main need is to achieve an ecologically sustainable distribution. Suggestions for further research are to investigate more in route optimization and to investigate robotic solutions used for last mile.Idag är det intressentbehov och ramvillkor som styr varudistributionsföretagen. Nya intressentbehov som uppkommit nu i närtid är att varudistribution ska vara ekologiskt hållbart och lämna det lägsta möjliga ekologiska fotavtrycket. Det finns flera möjliga fordons- och ruttplaneringskoncept samt systemperspektiv för varudistribution. Den här studien ämnar undersöka lämpligt koncept som tillgodoser intressentbehovet för ekologisk hållbarhet. KPI:er används för att mäta prestanda hos företag. Ett problem med distribution med bil är framkomligheten i trafiken. Trafikstockningar, enkelriktade gator och gågator samt att parkera försämrar framkomligheten. Problemet med att byta ut fossildrivna distributionsfordon till studiens valda fordonskoncept, eldrivna lastcyklar, är att produktiviteten kan försämras ur ett systemperspektiv, eftersom lastvolymen är betydligt mindre på en eldriven cykel. Men kundintressentens ramvillkor behöver följas och varudistributionsföretagen borde ta hänsyn till att miljözoner kan införas i deras kommuner. Fordon som idag globalt användas för att leverera gods är tung lastbil, lastbil och lastcykel. Dessa leveranser ruttplaneras med ett ruttoptimeringsprogram. Fordonens lastbärare är utformade olika och har därmed olika lastkapaciteter. En hög lastkapacitet är en fördelaktig egenskap för produktiviteten. Vid cykelimplementation kan en omlastningspunkt vara nödvändigt ifall avståndet mellan distributions-centralen och området med mottagarna är för långt. Studien har ett explorativt forskningssyfte och en induktiv forskningsansats. Frågeställningarna besvaras genom kvalitativa- och kvantitativa forskningsmetoder. En eldriven lastcykel, Starke cycle, föreslås implementeras som fordonskoncept. Detta tillsammans med en flyttningsbar omlastningspunkt och ett garage för cyklarna. Slutsatsen av studien är att kundintressentens främsta behov är att åstadkomma en ekologiskt hållbar distribution.
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RATHI, RAJAT. "OPTIMUM UTILIZATION OF VEHICLES’ VOLUME TO DECREASE TRANSPORTATION COST PER UNIT." Thesis, 2012. http://dspace.dtu.ac.in:8080/jspui/handle/repository/17393.
Full textAbstract:
Consumer durables are products purchased by consumers that are manufactured for long-term use. As opposed to many goods that are intended for consumption in the short term, consumer durables are intended to endure regular usage for several years or longer before replacement.
Common example of customer durables in the possession of most households is appliances. These items may include ovens, refrigerators, toasters, and gas or electric water heaters. Consumer durables of this type are intended for use on a continuing basis, and often are sold with some type of warranty or service contract that helps to ensure the appliance will continue working for an appreciable period of time.
The consumer durables industry can be broadly classified into two segments: Consumer Electronics and Consumer Appliances. Consumer Appliances can be further categorized into Brown Goods and White Goods. Consumer electronics is basically entertainment systems like television, VCRs, audio systems and home theater systems. Consumer appliances are other household appliances like refrigerators, washing machines, air conditioners, food processors, and vacuum cleaners.
Brown goods are relatively light and low priced fast moving electronics goods on the other hand White goods signify for relatively high priced, heavy and slow moving electronic good.
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Sindi, Alaa. "Impact of Pedestrian Volumes on the Operational Performance of Modern Roundabouts." Thesis, 2011. http://hdl.handle.net/10012/6153.
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Modern roundabouts are increasingly being considered as a preferred intersection design within urban street networks in North America due, in large part, to the increased safety provided by roundabout. In the last decade, much research has been conducted in North America to quantify the performance of roundabouts in terms of vehicle delay as a function of vehicle traffic volume and roundabout geometry. In most jurisdictions, vehicles entering and existing the roundabout are required by law to yield right-of-way to pedestrians crossing the roundabout approach, and consequently, the presence of substantial pedestrian volumes are expected to degrade operational performance of the roundabout for vehicles. However, very little research has been conducted to estimate the impact that pedestrian volumes have on average vehicle delay. The aim of this research is to study the effects of pedestrian volume, entry traffic volume, and conflicting or circulating volume, on the delays that vehicles experience when traversing the roundabout.
An analytical model is proposed to estimate vehicle delays on the basis of traffic flow and queuing theory. The model is applicable to single lane roundabouts. The model was calibrated and validated using vehicle delays obtained from the micro-simulation software, VISSIM (version 5.2) for a range of different conditions.
The research described in this thesis demonstrates that pedestrian flows cause delays to vehicles traversing the roundabout in four distinct ways. Existing analytical techniques included within most design manuals consider only one of these sources of delays and consequently, conventional models typically under-estimate the impact that pedestrian flows have in terms of increasing delays to vehicles traversing the roundabout.
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Lee, Woochul. "High volume, heavy vehicle, and bus stop impacts on four-lane to three-lane conversion." 2002. http://catalog.hathitrust.org/api/volumes/oclc/50879240.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 2002.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 66-68).
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Hsiao, Pei-Kun, and 蕭培坤. "A Study on Refrigerant Volume Control and Energy Parameters for Electric Powered Vehicle Air-Conditioning Systems." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/6pcxy3.
Full textAbstract:
碩士國立臺北科技大學
能源與冷凍空調工程系碩士班
99
Motor vehicle air-conditioning energy consumption accounts for about 15 - 20% considered as a major power load. Also it is key element in the development electric powered automotive. By replacing the traditional belt-driven compressor to an electric motor, energy-saving strategies may be applied to alter the speed of compressor and hence reducing the power load. In this study, dual-evaporator type of electric air conditioning is used to investigate the control parameters such as the speed of electric compressor, electronic expansion valve opening, temperature, condensers and evaporators system and single or dual-evaporator control. By understanding the relevant parameters, research can be done on energy-saving strategies. This research performs experiments, and theoretical analysis in order to obtain the electric compressor performance curve and the optimal operational parameters under different operating conditions. Using the data and results achieved, characteristic of the system performance coefficient are presented aiming to meet the demand of cooling load and energy saving strategies. Through the research, it is found that when the front seat air-conditioning is activated, activating only single evaporator shows better results of energy savings compared to activating both evaporators. Also, when the fan energy-saving control is utilized while driving, overall cooling system shows 8.8% increment of energy-saving performance. Compared to traditional ON/OFF control system, higher performance of energy savings can be achieved while using demand-oriented variable speed control for compressors.
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Huang, Hui-Ru, and 黃慧如. "A Study of Periodic Vehicle Routing Problem – On the Basis of Flexible Delivery Volume in Advance." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/96365910497802062229.
Full textAbstract:
碩士國立雲林科技大學
工業工程與管理系
102
This study will discuss periodic vehicle routing problem which allows delivery in advance. The period consists of two days. An important feature of this study is the flexible delivery volume in advance. This volume is acceptable to each customer ranging from zero to the demand of the second day. The objective of this study is to minimum total transportation costs, including the route cost, fixed costs of vehicle, and the penalty of earlier delivery.This study constructs a mathematical model and then develop an appropriate Tabu heuristic algorithm for solving this problem. The heuristic algorithm includes the improvement logic for delivery in advance. Finally, a sensitivity analysis will focus on (1) vehicle capacity, (2) the penalty of earlier delivery. The results indicate that under the critical value of penalty, using a combination of early delivery strategy and with the optimal amount in advance, this study is attractive on the following view points: (1) the number of vehicles to be used, (2) the total vehicles costs (3) and the total transportation costs.
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Straitiff, Donald Graham. "Optimization of vehicle anti-lock braking systems via vehicle simulation." 1985. http://catalog.hathitrust.org/api/volumes/oclc/13244905.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1985.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 75-78).
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Wang, Xin. "Econometric estimation of depreciation for consumer vehicles." 1998. http://catalog.hathitrust.org/api/volumes/oclc/41957414.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1998.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 93-98).
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Simon, Julie. "Total-cost accounting of gasoline and electric vehicles a partial benefit-cost analysis of a policy to promote electric vehicles /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36047914.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1996.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 63-65).
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Kutkut, Nassar Hasan. "An electric vehicle battery charging system." 1995. http://catalog.hathitrust.org/api/volumes/oclc/33631250.html.
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Thesis (Ph. D.)--University of Wisconsin--Madison, 1995.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 299-308).
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Hartzell, Terry A. "Experimental hydrostatic drive vehicle hydrostatic transmission design /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36241532.html.
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Thesis (Ph. D.)--University of Wisconsin--Madison, 1996.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 105-106).
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Tong, Lily. "Interactive simulation of vehicle unstable steering behavior." 1995. http://catalog.hathitrust.org/api/volumes/oclc/33140173.html.
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Wijaya, Devi S. "Selenium-enriched vegetable sprouts as dietary vehicles for delivering cancer chemopreventive benefits." 2006. http://catalog.hathitrust.org/api/volumes/oclc/71448292.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 2006.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 126-138).
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Kelecy, Patrick M. "Control methodologies for single inverter, dual induction motor drives for electric vehicles." 1994. http://catalog.hathitrust.org/api/volumes/oclc/32365345.html.
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Thesis (Ph. D.)--University of Wisconsin--Madison, 1994.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 165-167).
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Vimmerstedt, Laura Joan. "Air pollution from personal vehicles a focus group study of commuters' perceptions /." 1993. http://catalog.hathitrust.org/api/volumes/oclc/31147990.html.
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Barber, Patrick G. "The 1993 University of Wisconsin - Madison Hybrid Electric Vehicle /." 1995. http://catalog.hathitrust.org/api/volumes/oclc/33085895.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1995.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaf 215).
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Yi, Xin. "Deer-vehicle crash patterns and deer crossing sign placement." 2003. http://catalog.hathitrust.org/api/volumes/oclc/52499687.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 2003.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 116-120).
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Gardner, Raine L. "Quantifying emissions from heavy duty diesel vehicles on interstates and arterials within the Midwest." 2006. http://catalog.hathitrust.org/api/volumes/oclc/86078318.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 2006.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 122-128).
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Bruhn, Christa. "The power of the university : Palestinian universities as vehicles of social and political change /." 2004. http://catalog.hathitrust.org/api/volumes/oclc/62052744.html.
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Chen, Hong-Fu. "Design of a rear wheel steering system for the optimum performance of articulated vehicles." 1991. http://catalog.hathitrust.org/api/volumes/oclc/25270720.html.
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Thesis (Ph. D.)--University of Wisconsin--Madison, 1991.Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 184-191).
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Howes, Candace. "Total factor productivity in the U.S. and Japanese motor vehicle industries a firm level comparison, 1960-1985 /." 1991. http://catalog.hathitrust.org/api/volumes/oclc/33041600.html.
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Sur, Arnab. "Sliding mode control for vehicle directional stability on slippery surfaces." 1990. http://catalog.hathitrust.org/api/volumes/oclc/23662076.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1990.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 114-123).
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Pringle, David D. "Design and testing of a handpowered vehicle for the disabled." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36375239.html.
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Thesis (Ph. D.)--University of Wisconsin--Madison, 1996.Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaf 72).
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Winterhalter, Craig R. "Field oriented control of a single inverter, dual, parallel induction machine traction drive for electric vehicles." 1997. http://catalog.hathitrust.org/api/volumes/oclc/39542837.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1997.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 145-152).
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Chang, Chihchen. "System design and control of a kinetic energy storage CVT vehicle." 1986. http://catalog.hathitrust.org/api/volumes/oclc/15504875.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1986.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 72-73).
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Bisaro, Darren R. "Experimental hydrostatic drive vehicle application and control of the IC Engine." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36002881.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1996.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 89-91).
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Yoon, Seung-Ju. "Measuring vehicle volumes and monitoring and modeling of PM2.5 concentrations in a travel center associated with a major urban interstate and interchange." 2002. http://etd.utk.edu/2002/YoonSeungJu.pdf.
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Thesis (M.S.)--University of Tennessee, Knoxville, 2002.Title from title page screen (viewed [Sept. 27, 2002). Thesis advisor: Wayne T. Davis. Document formatted into pages (142 p. : ill (some col.)). Vita. Includes bibliographical references (p. 46-47).
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Khokthong, Watit. "Drone-based assessments of crowns, canopy cover and land use types in and around an oil palm agroforestry experiment." Thesis, 2019. http://hdl.handle.net/11858/00-1735-0000-002E-E602-F.
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Yu, Ssu-Hsin. "A global control approach to improving vehicle handling modeling, simulation and control /." 1991. http://catalog.hathitrust.org/api/volumes/oclc/24159803.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1991.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 129-137).
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Lewandowski, Edward James. "Design of a test rig for hydropneumatic accumulator energy storage vehicle research." 1987. http://catalog.hathitrust.org/api/volumes/oclc/17559471.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1987.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 82-83).
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Laasch, Shannon. "Mother of all things wild a study of the vehicle of Durga /." 1998. http://catalog.hathitrust.org/api/volumes/oclc/40133380.html.
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Thesis (M.A.)--University of Wisconsin--Madison, 1998.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 43-48).
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Sosnowski, Timothy P. "Experimental hydrostatic drive vehicle control and mechanical ddesign of hydrostatic transmission components /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36401247.html.
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Thesis (M.S.)--University of Wisconsin--Madison, 1996.Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 109-110).