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 29 for “"Drive Train"”.
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Physical model of a hybrid electric drive train
… to simulate the dynamics of the electric drive train and inertial mass of a hybrid electric vehicle. The model will serve as a test bed for students in 2.672 to study the energy losses between the battery, motor, and kinetic energy of the car during acceleration and regenerative braking …
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Drive train improvements and performance evaluation of a robotically steered needle
… is on the design and evaluation of a robust drive mechanism intended to robotically steer a thermal ablation electrode. The device is intended to enable more efficient kidney tumor ablation therapy guided by CT scanning. The steering mechanism is based on the concept of substantially …
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Modeling, optimization and hardware-in-loop simulation of hybrid electric vehicles
… transient model, are developed for a hybrid drive-train in this study. The steady-state model, which has low computational intensity, is used to determine the optimal battery size and chemistry for a plug-in hybrid drive-train. Simulation results using the developed steady state model show …
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Cost of energy modelling and reduction opportunities for offshore wind turbines
… wind turbine types, differentiated through their drive train configurations, currently exist. Different wind turbine manufacturers have different drive train configurations and some manufacturers have multiple configurations within their own portfolio of turbines. There is no clear evidence as to …
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Efficient control of series elastic actuators through the exploitation of resonant modes
… stable force control while protecting the drive train from harmful loadings. The spring can also be used to store energy similar to the way animals use their tendons during locomotory tasks. This thesis shows that by operating the actuators at the appropriate frequency, the storage of …
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Electrifying a Jet Ski: Designing & Manufacturing an Electric Drivetrain for a Personal Watercraft
… and manufacturing process of an electric drive train into a 1997 Yamaha Wave Venture 760 Personal Watercraft (PWC). This project aims to serve as a proof of concept for interchanging a combustion engine from an older PWC with an electric motor and Lithium-Ion battery. I performed rigorous …
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Construction and operation of the VPI & SU high-speed turbomachinery test facility
… been designed to meet the requirements of the drive engine (a free power turbine gas turbine engine) and the test compressor. An overspeed system for monitoring and control of the engine's free power turbine speed has been designed and successfully tested and operating procedures for the test …
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Generation of MATLAB software tool for teaching STEM concepts using Greenpower Formula 24 race cars
… Formula 24 electric race cars. This menu driven interface allows students to manipulate design variables and observe the effect on performance indicators. Hardware bench testing and finite element analysis software were utilized to determine, respectively, parameters for modeling the …
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CHARACTERIZING THE QUASI-STATIC AND DYNAMIC RESPONSE OF A NON-CONTACT MAGNETO-ELASTIC TORQUE SENSOR
… torque measurement and health monitoring of drive train systems.
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Design and testing of a pan-tilt mechanism for severe environments
… devices installed, which are often supported and trained by two-axis gimbals. In current shipboard solutions the payloads are often placed on a platform above the gimbal drive train, which results in high moment loads on drive components during a wave impact. As the payloads grow in size, the …
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A Novel Reconfigurable Induction Machine Drive for Hybrid Vehicles
… to be the immediate solution. The electric drive train of the hybrid vehicle needs to have four main functions, high torque low-speed motoring for engine starting,low torque high speed generating for charging the onboard battery as the vehicle alternator, medium torque medium speed motoring …
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FAULT DETECTION AND ISOLATION FOR WIND TURBINE DYNAMIC SYSTEMS
… system faults. A WT blade pitch system fault, a drive-train system gearbox fault and three sensor faults are simulated to the nominal system model, and the designed observer is then to detect these faults when the system is subjected to disturbance. The simulation results showed that the …
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Application of Data Mining Algorithms for the Improvement and Synthesis of Diagnostic Metrics for Rotating Machinery
… which can distinguish healthy and faulted drive train components. Data was collected from multiple rotating components from several hundred rotorcraft and from a laboratory setup of the same components. Preconditioning filters for noise reduction and dimensionality reduction were performed, …
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Determination of the power losses on a tyre-mounted ore-grinding mill
… mm long, 1070 mm wide and 892.5 mm high. Its drive-train comprises an electric motor, the wedge and timing belts with the appropriate pulleys, a differential gear set, the tyres, a shell and a disc brake sub-assembly. The tyres used to drive the shell can either be of the pneumatic or solid …
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Impact assessment of large-scale penetration of permanent magnet synchronous generators on power quality
… due to the absence of a gearbox in the drive-train, which results in lower maintenance costs and higher reliability. Moreover, the advancements in power electronics have facilitated PMSGs to generate optimal power at varying wind speed conditions. This is achieved through the use of …
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The electric vehicle experiment : developing the theoretical model for 2.672
… powers required in different components of the drive train, piecewise component and system efficiencies, and the information that would need to be collected to construct different component power models. The EVE model had to incorporate both acceleration and deceleration of the vehicle, using …
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Fuel consumption prediction methodology for early stages of naval ship design
… for the chosen propulsor. -- Efficiencies of the drive train and electrical production and distribution system are calculated for all operating conditions. Note that for an electric-drive ship, the non-propulsion electrical loads must be included in the calculations. These three major components …
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Design and manufacturing of a VTOL Micro Aerial Vehicle
… to create a lighter, more robust mechanical drive train, and aerodynamic analysis that will guide the redesign of the propeller.
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