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 46 for “"drivetrain"”.
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Design of an Electric Scooter Drivetrain
Professor Steven Leeb teaches Power Electronics Lab, which teaches the fundamentals of power electronic systems and has students build their own motor controllers. As a fun way to test these student built motor controllers, Professor Leeb has been using large go-karts built specifically for the …
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Modeling and control of a hybrid-electric vehicle drivetrain
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1996.
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Development of multi-wheel drivetrain control system for future electric combat vehicle
… vehicles. In this thesis, a comprehensive drivetrain control system for a future fully-electric 8x8 multi-wheeled combat vehicle with autonomous navigation functionality is developed. The proposed combat vehicle is equipped with eight independently-actuated wheels using individual in-wheel …
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Electrifying a Jet Ski: Designing & Manufacturing an Electric Drivetrain for a Personal Watercraft
While many vehicles are well into their transition to electrification, marine vessels are lagging behind; specifically, there are very few electric personal watercrafts (PWC) on the market. Though many engineers and hobbyists have retrofitted combustion engines for cars, motorcycles, and other …
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Design and development of an extended range electric bywire/wireless hybrid vehicle with a near wheel motor drivetrain
… inefficiencies in the rear wheel drive transaxle drivetrain. All controls have been purposely designed as a duplicate set to allow for full independent control of both rear wheels in a truly independent architecture. Along with the controls supporting the design, the motors have been mounted in a …
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Development, optimization and simulation of hybrid electric heavy duty truck with self-propelled trailer.
The hybrid electric drivetrain has significant ability to reduce fuel consumption and increase the efficiency. The application of this type of drivetrain has been investigated for different vehicle models. The hybridization of heavy duty vehicle and tractor and semitrailers is a recent challenge …
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Effects of transient loading on wind turbine drivetrains
… of the fundamental issues with modelling the drivetrain of the wind turbine. Reliability data shows that gearboxes and generators have higher failure rates than expected, in particular the high speed bearings which are shown to be most problematic. Models of gearboxes are generally isolated …
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Reconfigurable modelling of physically based systems: Dynamic modelling and optimisation for product design and development applied to the automotive drivetrain system.
… optimised. The response of the plug-and-simulate drivetrain submodels, assembled to represent a front wheel drive drivetrain, is examined. The resulting model is subjected to a torque step-input and an empirically obtained torque curve that characterises the input to a drivetrain undergoing steady …
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Torque control strategy for off-road vehicle mobility.
… this distribution is primarily regulated by the drivetrain layout and the torque distribution devices. At the output of the drivetrain system, the torque is constrained by the interaction between the wheels and the soft terrain. For off-road automotive applications, the construction of drivetrain …
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Design of high performance hybrid transmissions
… typically utilize hybridization for increased drivetrain efficiency, including traits such as low speed electric drive and regenerative braking. Alternatively, performance cars have typically utilized the electric motor functionality for increased performance. By using a new framework for …
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The design of a self-propelled flexible hull undersea vehicle
… It is also challenging to design a mechanical drivetrain that fits within the envelope of a fish and can generate comparable forces and displacements. This thesis explores an experimental approach to designing an efficient, self-propelled underwater vehicle that is modeled after a .681 m long …
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Design of an FSAE Cooling System for Electric In-hub Motors
… student racecars. The main components of the drivetrain of the 4WD electric vehicle are the motor and the motor controller. This thesis focuses on designing a reliable cooling system for the motors to ensure that they operate in an optimal temperature range that increases drivetrain …
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Design of a rear powertrain and suspension system for an electric vehicle
This is the summary of the design process of the drivetrain and suspension systems made for the purpose of converting a 1972 Opel GT to electric power. The goals of this study were to optimize the suspension for ride handling as well as integrate the suspension and power systems into a single …
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A Techno-Economic Analysis of Hydrogen, Electric, and Diesel Fuel in Medium- and Heavy-Duty Transportation Applications
… analysis for three distinct vehicle drivetrains (hydrogen fuel-cell vehicles (FCVs), battery-electric vehicles (BEVs), and diesel vehicles (ICE-D)) across a variety of applications in the medium- and heavy-duty (MD/HD) transportation market. The primary basis for evaluating each …
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Design and performance evaluation of an electric go-kart and custom permanent magnet brushless DC motor
… a custom brushless DC motor for use in the drivetrain. Details of the fabrication and assembly processes are included for reference. The motor was not finished in time to be able to be tested, but the performance of the go-kart has been estimated through scientific calculations.
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Analysis of Hybrid Electric Autonomous Tactical Support System
… Operating Base projects. Hybridization of the drivetrain of the GUSS vehicle will provide the reliable power for onboard autonomous systems and also enable silent operation modes. The hybrid onboard generator can efficiently provide generous amounts of exportable DC and AC power on demand and …
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Testing and characterisation of large high-energy lithium-ion batteries for electric and hybrid electric vehicles
This thesis considers the drivetrain and battery system requirements of Hybrid Electric Vehicles. The data herein proves that a series hybrid electric drivetrain with Lithium-ion batteries and plug-in recharge promises to be viable and sustainable. However, for mass production of series HEVs …
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Designing and modeling a torque and speed control transmission (TSCT)
… mechanical layout of components. Six possible drivetrain layouts were analyzed. A final drivetrain configuration was chosen that allows six distinct modes of operation. This configuration was chosen for correct component rotations throughout all modes and ease of control. A common shaft from …
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Systems Integration, Modeling, and Validation of a Fuel Cell Hybrid Electric Vehicle
… powertrain, using an efficient AC induction drivetrain, regenerative braking, compressed hydrogen fuel storage, and an advanced lead-acid battery pack for peak power load leveling. The vehicle weighed 2000 kg (4400 lb) and achieved a combined city/highway fuel economy of 9L/100 km or 26 mpgge …
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