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 109 for “"electric motor"”.
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Airgap-less Electric Motor
… dissertation focuses mainly on the airgap-less electric machine. An extensive literature review has been presented along with a systematic study that included analytical modeling, simulation with both steady-state and transient analysis, prototype building, and experimental validation. In this …
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Design of a small electric motor dynamometer
… Massachusetts Institute of Technology. Dept. of Electrical Engineering, 1951.
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Material Selection for an Electric Motor Assisted Stroller
… used for material selection for components of an electric motor assisted stroller designed for a senior design project. Both Solidworks’ FEA testing and CES EduPack’s materials database were utilized to gather the necessary data to evaluate both material properties and component design …
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Electric motor control systems and technologies in refineries
Includes bibliographical references.
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Leadership and internal guanxi in Chinese electric motor enterprises
… guanxi. The researcher is an employee of ABLE Electric Motor Group, a large and successful private sector enterprise in the rapidly growing and transforming Chinese economy. Drawing on the special and unique position in the organisation and existing experience, the researcher uses multiple …
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Power electronics models for integrated design of high speed electric motor drives
… Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Energy Storage and Electric Motor Systems Projects for Hands-on Student Learning
… been around for 30 years. Since 1994, the Hybrid Electric Vehicle Team (HEVT) at Virginia Tech has participated in AVTCs to pursue hybrid technologies. HEVT participated in a four-year AVTC called EcoCAR 3. At the beginning of the competition, HEVT introduced an ultra-rapid onboarding process, the …
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A heat transfer finite element model of a high speed DC electric motor
… transfer model of a high speed direct current electric motor is presented. The two dimensional axisymmetric model incorporates the motor rotor assembly, stator windings, stator laminations, stator end windings, and the motor housing. Power dissipation is modeled as Joule heating in the motor …
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Rotating Inertia Impact on Propulsion and Regenerative Braking for Electric Motor Driven Vehicles
… several rotating components such as a traction electric motor, the driveline, and the wheels and tires. The rotating inertia of these components is important in vehicle performance analyses. However, in many studies, the rotating inertias are typically lumped into an equivalent inertial mass to …
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MIT Electric Vehicle Team Porsche designing a cooling system for the AC24 electric motor
… design and analysis of a cooling system for the electric motor of the MIT Electric Vehicle Team's Porsche 914 Battery Electric Vehicle. The vehicle's Azure Dynamics AC24 motor tended to overheat (up to around 140C), which caused the motor controller to limit the maximum power of the motor. The …
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The design, development and in vitro testing of an electric motor driven artificial heart
… laboratory. The drive pump is driven by an electric motor and provides alternate pumping of the blood pumping chambers. The blood pumping chambers are diaphragm pumps and have uniquely captured valves. The pressure waveforms produced by the blood pumping chambers were measured at 26, 52 and …
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Thermal Overload Capabilities of an Electric Motor and Inverter Unit Through Modeling Validated by Testing
… development of a high-speed 12 kW AC induction motor to drive automotive fuel cell air compressors. As one part of the development, thermal considerations and the cooling system are detailed in this paper. The motor and inverter are packaged in one unit with the heat sink in the middle. The heat …
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Electrifying Boost: Design & Optimization of a Hybrid Powertrain for the Rush SR
… car, focusing on the incorporation of the ME1616 electric motor into the vehicle's drivetrain. The project aimed to develop a bolt-on hybrid kit that owners can independently purchase and install. Utilizing design criteria from Rush Auto Works and first-order calculations of anticipated …
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A study in hybrid vehicle architectures : comparing efficiency and performance
… the serial hybrid (i.e. Chevrolet Volt), and the electric vehicle (i.e. Chevrolet EV-1). These four power schemes represent the most prominent power architecture options available to automotive designers and engineers today. Experimentation was preformed using a one-man power scooter, a five …
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FRACTIONAL-SLOT CONCENTRATED-WINDING SURFACE-MOUNTED PERMANENT MAGNET MOTOR DESIGN AND ANALYSIS FOR IN-WHEEL APPLICATION
The study on the driving cycle and powertrain of electric vehicle presents the conclusion that there is a regular working area on efficiency map where electric motor works for the most time. Thus, two motivations are proposed: first, to evaluate the efficiency map of electric motor analytically, …
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Maximizing Energy Harvesting in Electric Vehicles through Optimal Regenerative Braking Utilization
In recent years, electric vehicle (EV) technology has proved to be a viable solution to clean and efficient transportation and is becoming the main focus of many automotive companies. Therefore, extensive research is being conducted in both the industry and academia towards the design and …
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Battery Centric Serial Hybrid Aircraft Performance and Design Space
… aircraft. The advantageous combination of an electric motor and controllable-pitch electric propeller was also explored. The results are used to be able to control efficiency and noise at constant thrust and therefore constant airspeed. Manufacturer provided electric motor and propeller data …
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Design of high performance hybrid transmissions
… hybrid (internal combustion engine (ICE) and electric motor) vehicles. Traditional hybrid vehicle designs often fall into one of two categories. Every day road vehicles typically utilize hybridization for increased drivetrain efficiency, including traits such as low speed electric drive and …
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Feasibility Study of an Axially-Stacked, Subsonic Propeller System
… pollution emanating from above. Fortunately, electric motors have and will continue to gain an ever-prominent role in the power plant of small, to mid-sized air vehicles, thus reducing the levels of acoustic exposure due to aircraft. However, one consequence of this electric motor emphasis is …
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