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.
Results
Showing 1 to 20 of 23 for “"Charging system"”.
-
Digital control of contactless battery charging system
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
-
An autonomous landing and charging system for drones
… time today is measured in tens of minutes. Charging multiple drones in a network also requires manual assistance. In this thesis, we develop an integrated system with an autonomous charging pad that a drone can accurately land on. At the same time, the charging system allows the drone to …
-
Design of an Autonomous Underwater Vehicle (AUV) charging system for underway, underwater recharging
… method for deploying this type of AUV requires charging it above water, shipping it to a mission site, and then deploying it overboard with the use of cranes. The AUV is then recovered once the mission is complete or - more likely - when its power source is depleted. The deployment and recovery …
-
Physical and chemical characterization of single atmospheric aerosols: Laboratory studies of interactions of acidic trace gases with sea -salt aerosols, and, Development efforts for an aerosol charging system using a corona discharge
… were conducted with the aid of a Mie scattering system while chemical characterization was conducted with a Raman spectroscopy microprobe. A large effort focused on development of a system for charging and trapping atmospheric aerosols using a corona discharge. Testing of this charging device …
-
Thermal characterization and modeling of an energy storage system
… and analyze thermal loads in an electric vehicle charging system. The tool was designed using computational fluid dynamics techniques and validated with experiments to provide a system-level view of the temperature profiles of all components and airflow patterns inside the charging system. The …
-
Modeling, simulation, and design of hybrid EV-battery charger for optimum grid utilization
… recent development of electric vehicles (EVs) charging system, is changing the future of the transportation sector. Thanks to Photovoltaics solar energy (PV), the EV charging operating cost is reduced, and an environmentally friendly EV is promoted to the public. In this thesis, an EV-PV-Grid …
-
Soft-switched, active-clamped DC/AC and AC/AC converters for IPT-based wireless charging applications
… of high cost, limited driving range, and long charging time. In EV wireless charging systems using IPT technology, power electronic converters play a vital role to reduce the size and cost, as well as to maximize the efficiency of the overall system. Conventionally, the IPT systems utilize two …
-
Circuits and systems for efficient portable-to-portable wireless charging
… to implement. This portable-to-portable wireless charging application differs from conventional charging pad-based systems in that the transmitter is energy constrained, so system efficiency is key. Also, since both the transmitter and receiver are portable, loading on the transmitter changes …
-
Magnetic augmented rotation system (MARS ) - properties and performance
Magnetic Augmented Rotation System (MARS) is proposed as a system for conversion of mechanical energy into electrical energy. It works on the principle of magnetic coupling. Because it is contactless, compared with traditional gears, it increases the transfer efficiency from a driver to a rotor; …
-
Advanced Modeling and Control Strategies for Charging Electric Vehicle Batteries
… an advanced modeling and control strategy for charging electric vehicle (EV) batteries. The purpose of modeling the battery incorporating the optimal control mechanism is developing a fast-charging system for EVs. The thesis starts with a literature survey to find out the latest EV battery …
-
Electric vehicle powertrain design with battery swapping and vehicle to grid implementation.
… simulation and validation on a real-world systems, with detailed analysis of results. A system for swapping, storing and managing EV batteries, including a Deep Neural Network (DNN) based state of health estimation model is developed and analyzed. The system is designed to enable advanced …
-
An Approach to Automotive Electrification and Testing
… Powertrain, with a diesel generator, and plug in charging capability. This paper will cover the electrical work performed on the vehicle during the summer prior to year three of the competition, EcoCAR 2 year three, and preliminary work for EcoCAR 3 year one competition. The main focus of this …
-
Advanced active rectifiers for electric vehicle battery charging
… into the utility which necessitates battery charging circuitry. More specifically, this dissertation focuses on the power factor correction (PFC) circuit which makes up one part of a typical battery charging system. The circuits presented here are not dependent on battery chemistry, so they …
-
Evaluation and Development of Medium-Voltage Converters Using 3.3 kV SiC MOSFETs for EV Charging Application
… the realization of superior power conversion systems. Among the potential areas of advancement are medium-voltage (MV) and high-voltage (HV) applications, due to the growing demand for high-power-density and high-efficiency power electronics converters. These advancements have propelled a wide …
-
Harmonization of aviation user charges in the North Atlantic airspace
… Atlantic en route user charges. The current charging system involves eight countries, each with their own method for computing user charges. The scope of the research is limited to revenue neutral approaches for service providers, meaning each air navigation service provider (ANSP) receives …
-
A study of energy scavenging strategy in a tapping tree power
… results for the energy harvested with battery charging system and energy storage. Field test is conducted with the selected converter to insure the power observed from the plant. In addition, this work has been taken to enhance the growth of energy harvesting from small sources and to go …
-
Hardware and protocols for authentication and secure computation
… which allows us to build a secure wireless-charging system that can block power from counterfeit and potentially dangerous chargers. Next we build upon these insights to develop a new authentication protocol which combines the leakage resilience and public-key authentication properties of …
-
After the gas station : redevelopment opportunities from rethinking America's vehicle refueling infrastructure
… to the existing automotive transportation system, stations share extensive siting and design similarities across many contexts. Recent corporate, market, and regulatory pressures have led to the closure of tens of thousands of these stations in the past few decades. Increasingly stringent …
Page 1 of 2