Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"Fuel Saving"”.
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A cost estimation analysis of U.S. Navy fuel-saving techniques and technologies
… efficiencies gained could yield substantial fuel savings. This thesis follows a process of researching and collecting fuel-saving ideas, developing a method to estimate savings, subjecting calculations to sensitivity analyses by discount factor and cost of fuel, and creating prioritization …
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Energy-saving cyber-physical systems in smart cities
… make several contributions towards the goal of fuel-saving in modern transportation, exemplified by three major systems. The first system called GreenRoute offers fuel-saving routes instead of the fastest routes. It works by exploiting road features existing in public map data sources to train …
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Participatory sensing fuel-efficient navigation system GreenGPS
… GreenGPS is a navigation service that finds fuel optimal routes, customized to individual drivers and vehicles, between arbitrary end-points. This thesis studies research challenges revealed in development of GreenGPS on how to build an easy-to-deploy and inexpensive participatory sensing …
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Development of an intelligent tool for energy efficient and low environment impact shipping
… to show more and more interest in minimising fuel consumption in a route, in the meantime, maintaining a certain time schedule which is specified in the chartering contract of a merchant vessel. This topic is the focus of this thesis. A novel three dimensional dynamic programming method (3DDP) …
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Smart Grid Technologies for Efficiency Improvement of Integrated Industrial Electric System
… selling of electricity in such a way that the fuel consumption is minimized, reliability is increased, and time to restore the system is reduced. A typical industrial plant load profile based on statistical mean and variance of industrial plants' load requirement is developed, and used in …
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Study on configuration and operation strategies of solar aided power generation plant
… can be operated in either power boosting or fuel saving mode at any given time. Different modes would give the SAPG plant different economic benefits under given market conditions (i.e. for on-grid tariffs and fuel prices). A new criterion termed “Relative Profitability” (RP) which links the …
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Investigating the effects of maintenance and environmental conditions on the operational efficiency of ships by analysis on the real operational data
… has recently been under pressure to reduce its fuel consumption due to the restriction on Greenhouse gas emissions and fuel prices. The new regulations of the International Maritime Organisation (IMO) regarding operational management and design limitations enter force in following years. Besides …
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The effects of atmospheric turbulence on fuel consumption in extended formation flight
… of commercial aircraft. However, induced drag savings are not necessarily directly indicative of fuel savings. In a realistic environment, atmospheric turbulence will continuously perturb the formation’s aircraft and their wakes. As a result, each aircraft in the formation will experience …
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Optimal thruster selection with robust estimation for formation flying applications
… handle thruster performance degradation due to fuel flow loss from multiple thruster usages. Second, new techniques for solving linear programming problems with uncertain data are explored. In particular, a robust LP (RLP) formulation is developed here to deal with uncertainty in either the …
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Automaker technology strategy and the cost of complying with the corporate average fuel economy standards
… to close the gap between current new vehicle fuel economy and the fuel economy mandated by CAFE: (1) deployment of fuel saving technologies to improve the fuel economy of conventional internal combustion engine (ICE) vehicles; or (2) increasing the share of high-efficiency electric vehicles …
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Development, optimization and simulation of hybrid electric heavy duty truck with self-propelled trailer.
… drivetrain has significant ability to reduce fuel consumption and increase the efficiency. The application of this type of drivetrain has been investigated for different vehicle models. The hybridization of heavy duty vehicle and tractor and semitrailers is a recent challenge for the hybrid …
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Development and performance of a velocity control system for modern combustion-powered scooters
… (Euro 5). Further, the system performance, fuel-saving effect and exhaust optimization was investigated. The European Parliament has adopted major CO2 emission reductions by 2030. But modern combustion-powered scooters are inefficiently restricted and emit unnecessary amounts of CO2. …
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A Systems Analysis and Technology Roadmap for Autonomous Long-Haul Cargo Transport
… partial autonomy which would realize immediate fuel saving benefits. Real time weight sensing, additional automation in performing activities like loading/ unloading cargo (for minimizing trip delays and increasing fleet throughput), pre-trip vehicle checks, automation in fault actions while …
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Investigation of High-Efficiency Radial and Tapered Brushless PM Machines
… can offer 6% higher efficiency and 8.6% fuel saving. In addition, the generator presented low total harmonic distortion (THD) and good voltage regulation meeting the unity power-factor application requirements. Furthermore, as it is a common practice for 3-phase generators to run under …
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Analytics for Sustainable Logistics: Fuel Efficiency and Hydrogen Planning
… machine learning approaches to enhance fuel efficiency in existing operations as well as stochastic optimization to plan the deployment of hydrogen production facilities in future operations. In Chapter 2, we employ data-driven techniques to explore the drivers of fuel efficiency in the …
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The effect of turboprop propulsion on the aerodynamic benefits of formation flight
… It is this region in which the drag reduction, fuel saving benefits of extended formation flight are harnessed. Therefore, as a result of aircraft engine mounting convention and marginal outboard drift of the helicoidal vortices, the turboprops' helicoidal vortices have minimal to negligible …
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Delay-Aware Multi-Path Routing in a Multi-Hop Network: Algorithms and Applications
… constraints by up to constant-ratios. Minimize fuel consumption for a heavy truck to timely fulfill multiple transportation tasks. Finally, we consider a common truck operation scenario where a truck is driving in a national highway network to fulfill multiple transportation tasks in order. We …