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 45 for “"Battery Charging"”.
-
Digital control of contactless battery charging system
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
-
Advanced active rectifiers for electric vehicle battery charging
… vehicle 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, …
-
Design of contactless capacitive power transfer systems for battery charging applications
… of this thesis, the CPT system is extended to charging an industrial electric vehicle (IEV). As the requirement of charging an IEV varies depending on its battery pack. The power flow and control for the CPT systems is implemented.
-
Impact of plug in electric vehicle battery charging on a distribution system
Plug-in Electric Vehicles (PEV) battery chargers are mostly connected to the low-voltage grid for charging, hence their increased penetration coupled with uncoordinated charging could impact the distribution system in terms of voltage unbalance and transformer overloading. Although PEV battery …
-
Impact of plug in electric vehicle battery charging on a distribution system based on real-time digital simulator
… the impact of the electric vehicles (EVs’) battery charging on the distribution system in terms of maximum voltage deviation, voltage unbalance at various locations, transformers overloading, and introducing new peaks into the system. In this research, a 12.47 kV real distribution network …
-
Design of control for efficiency of AUV power systems
… and built an internal combustion hybrid recharging system for the REMUS 600 Autonomous Underwater Vehicle (AUV) in collaboration with the MIT Lincoln Laboratory. This power system will recharge the lithium ion battery pack of the REMUS 600 and allow the vehicle to travel for 40 consecutive …
-
Design, Modeling and Control of Bidirectional Resonant Converter for Vehicle-to-Grid (V2G) Applications
… have batteries can be charged by on-board battery chargers that can be conductive or inductive. In conductive chargers, the charger is physically connected to the grid by a connector. With the inductive chargers, energy can be transferred wirelessly over a large air-gap through inductive …
-
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 …
-
A Data Monitor for Large Lead Acid Batteries
In modern industry, the lead acid battery plays a very important role. Electric vehicles such as, golf cars and fork lift trucks all use a lead acid battery. However, the battery often is not be used in the right way, and this leads to a short battery service life. One of the main reasons that the …
-
Design of Portable DC Light Bulb for the DC House Project
… The DC Portable Light Bulb highlights the NiMH battery charging circuit, buck converter, and boost converter. The system is intended as a flashlight adaptor placed in between the dimmable DC light bulb and its screw base. The adaptor adds a portability feature to the DC light bulb to provide …
-
Power Management and Power Conditioning Integrated Circuits for Near-Field Wireless Power Transfer
… via feedback to the transmitter or direct battery charging without power maximization. Firstly, this study investigates a high-power factor WPT front-end circuit that is namely the mono-periodic switching rectifier (MPSR) and implemented in a 0.18µm 1.8V/5V CMOS process. Integrated phase …
-
Plug-In Hybrid Electric Vehicle Impacts on a Central California Residential Distribution Circuit
… transmission and distribution system. PHEV battery charging can represent a significant power demand that has the potential to overload electrical distribution components. This study examines the impacts of PHEV charging on household service transformers, distribution conductors and voltage …
-
Revving up for the future: an inductive power transfer system geared for vehicular applications
Energized by the prospect of decluttering the charging infrastructure by severing the bulky power cords used to charge an Electric Vehicle (EV), an innovative technique to wirelessly charge an EV battery known as Inductive Power Transfer (IPT) has garnered widespread acceptance. This thesis …
-
Simulation Modeling of Calgary's E-Scooter System
… policies and infrastructure, such as fleet size, battery re-charging strategies, and urban parking infrastructure locations, on the efficacy of the shared e-scooter system. The results of these simulation experiments detail the impacts of these policies on satisfied user demand, costs of …
-
Compact and efficient power electronics with applications to battery management systems
… circuits. Another area of research is on fast battery charging using active battery management system topologies. These topologies have been proven before but this work expands upon those by using modern power electronics techniques to minimize the size and maximize the efficiency. This is …
-
A Comprehensive Study on Energy Management Strategy Design of an Extended-Range Electric Vehicle
… Thirdly, a novel auxiliary power unit charging strategy with multi-object optimization is proposed using Reinforcement learning algorithms on the ERLV platform to achieve high fuel conversion efficiency while maintaining battery charging health. The comparative results show that the …
-
Modeling and Testing Powerplant Subsystems of a Solar UAS
… efficiency. Energy expenditure models include battery charging and discharging characteristics, propulsion system efficiency, and aerodynamic efficiency. In this thesis, a series of mathematical models were developed that characterize the performance of these systems. Several of these models …
-
Elastically Housed Kinematic Couplings for InterchangeableElectric Vehicle Batteries
… vehicle technologies has lagged due to immense charging downtime, but kinematic couplings have the potential to bridge this barrier by allowing for battery swaps and simultaneous operation and back-up battery charging. Designing parameters such as an elastic housing to damp the battery’s …
-
Design of a novel rotary compact power pack for the series hybrid electric vehicle. Design and simulation of a compact power pack consisting of a novel rotary engine and outer rotor induction machine for the series hybrid electric vehicle powertrain.
… in terms of fuel economy, emissions and battery charging compared to the existing power unit options. Over the city cycle, fuel economy is increased by up to 47 % with emission reduced by up to 36 % and over the highway cycle, fuel economy is increased by up to 69 % with emission reduced …
-
Underwater Pipeline Leakage Detection Using Vision Based Techniques: Semi-AUV (SAUV) Approach
… by the controller unit and powered by LiPo battery packs. Our underwater vehicle is equipped with sensors providing continuous feedback signals to automatically control the vehicle to track predefined trajectories. The SAUV can be self-stabilized as the center of gravity and center of …
Page 1 of 3