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 20 of 637 for “"electric vehicles"”.
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Electric Vehicles as Grid Resources
Electric vehicles (EV) are poised as environmentally-friendly alternatives to conventional combustion vehicles because of the internal battery which uses electricity for transportation. It is estimated the global EV penetration will hit upwards of 20 million on the road by 2020. Even with this …
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Electric vehicles in Smart Grids: Performance considerations
… this unreliability issue, but they consume electrical energy and create signifcant costs and carbon emissions. An alternative is using electric vehicles and plug-in electric vehicles, with two-way power transfer capability (Grid-to-Vehicle and Vehicle-to-Grid), as temporary distributed …
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Simulation of heavy-duty hybrid electric vehicles
… the driving conditions of heavy-duty hybrid electric vehicles over various driving cycles in an attempt to optimize their design and control. The fuel economy data thus obtained were compared with those of the in-use heavy-duty hybrid electric vehicles. For this the drive cycles are modified …
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Integration of electric vehicles into power systems
… such as increasing demand, and large-scale electric vehicle (EV) penetration. These challenges have a negative impact on the reliability and sustainability of the power system. For instance, EV charging represents an intensive electric load. Their penetration into the power system poses …
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Bi-Directional AC-DC Converters for Electric Vehicles
… replacing their conventional internal combustion vehicles by Electric Vehicles (EVs). Much research efforts have been devoted to improve EVs and EV infrastructure. EV battery and thus the on-board EV battery charger are among the most important parts of an EV. There are specific requirements for …
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The lithium-ion battery industry for electric vehicles
Electric vehicles have reemerged as a viable alternative means of transportation, driven by energy security concerns, pressures to mitigate climate change, and soaring energy demand. The battery component will play a key role in the adoption of these vehicles as it defines their cost, range and …
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Optimally controlling hybrid electric vehicles using path forecasting
Hybrid Electric Vehicles (HEVs) with path-forecasting belong to the class of fuel efficient vehicles, which use external sensory information and powertrains with multiple operating modes in order to increase fuel economy. Their main characteristic is that the decision to charge and discharge the …
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Energy Modeling of Deceleration Strategies for Electric Vehicles
Rapid adoption of battery electric vehicles means improving energy consumption is a top priority. Regenerative braking converts kinetic energy to electrical energy stored in the battery pack while the vehicle is decelerating. Coasting is an alternative strategy that minimizes energy consumption by …
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Essays on electric vehicles, wildfires, and regional economic impacts
… of public charging infrastructure in promoting electric vehicle (EV) adoption. Using county-level panel data from Washington State between 2019 and 2023, I estimate the marginal effects of new charging stations on new EV registrations and test for heterogeneity across income levels and charger …
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Powertrain technology and cost assessment of battery electric vehicles
… evaluate EVs with different combinations of new electric machines and battery chemistries. Cost assessment is also presented to address the major challenge of EV commercialization. This assessment is based on two popular vehicle classes: subcompact and mid-size. Fuel, electricity and battery …
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Design of IPT Highways to Power Moving Electric Vehicles
Modern Electric Vehicles (EVs) are an attractive and sustainable transportation alter- native to help reduce global greenhouse gas emissions and our dependence on a rapidly diminishing petroleum reserve. However due to their limited battery capacity, most current EVs need to be manually plugged …
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Secondary loop reversible AC/HP system for electric vehicles
This paper presents experimentally obtained results of a secondary loop air conditioning-heat pump system compared to a baseline direct system. The secondary loop system has a refrigerant circuit operating between two 50/50 water glycol loops, and uses the identical compressor and accumulator as …
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Using industrial design to motivate change toward electric vehicles
… technologies have become welcomed in society, electric cars still lack momentum in the industry. Since our remaining oil reservoirs are becoming depleted, drastic change must be made to manage the consumption of our remaining resources. There have been breakthroughs in alternative …
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Continuously-variable-pole induction machine drive for electric vehicles
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2027-08-01
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Secure integration of electric vehicles with the power grid
… energy resources (DERs) such as pluggable electric vehicles (EVs), solar arrays, smart buildings, etc. are now being connected to the power grid. Malicious adversaries can use these as entry mechanisms to gain access to the grid with the intention of creating instability in the system. This …
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Microvascular composites as a multifunctional material for electric vehicles
Electric vehicle (EV) batteries require both thermal regulation and structural protection. A novel form of battery packaging is proposed to accomplish this multifunctional objective using microvascular fiber-reinforced composites. Batteries are sandwiched between carbon fiber/epoxy panels …
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Probabilistic assessment of the impact of plug-in electric vehicles on power quality in electric vehicles on power quality in electric distribution systems.
… on imported oil. The integration of plug-in electric vehicles into the electric distribution system may pose potential power quality problems due to the uncertainties in the number of these vehicles, their charging time and locations. Several power quality phenomena such as voltage …
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Smart Charging of Electric Vehicles: Algorithms, Ramifications, and Hardware Development
… employed to aid or accelerate the convergence of electric vehicles (EVs) and the power grid, in light of current challenges thereof. As the market penetration of EVs rises across vehicle segments, the corresponding increase in EV charging load is expected to significantly stress electric power …
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Sensorless Control of Traction IPMSM Motor Drives for Electric Vehicles
L'abstract è presente nell'allegato / the abstract is in the attachment
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