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 79 for “"Vehicle system"”.
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Simulation in Automated Guided Vehicle System Design
… concepts. This requires materials handling systems that are agile and capable of reconfiguration. As competition in the world marketplace becomes increasingly customer-driven, manufacturing environments must be highly reconfigurable and responsive to accommodate product and process changes, …
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Parameter Informed Reinforcement Learning for Vehicle System Identification
<p>Accurate system identification is essential for modeling and controlling vehicle dynamics. This dissertation explores the application of Parameter Informed Reinforcement Learning (PIRL) as a novel approach to system identification (SYSID). PIRL integrates prior system knowledge, such as physical …
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Testing of the suspended vehicle system scale model
A 1/24th scale model of the SVS (Suspended Vehicle System) guideway was constructed, instrumented, and tested. The model simulated five 250-ft-spans of the cable-stayed guideway for high-speed mass transportation type vehicles. Model vehicles consisting of single bogeys and single cars were …
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An autonomous mission manager for the multiple vehicle system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1997.
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Safety of a multi-vehicle system in mixed communication environments
… the occurrence of such crashes is that current vehicles (including those equipped with an Automatic Cruise Control system) do not provide the driver with advance information of events occurring far ahead of him/her. The use of inter-vehicular communication to provide advance warnings to enhance …
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Structure-thermal coupling in viscoelastic material in rubber bushing of vehicle system
… providing a reliable and trustable simulation of vehicle suspension systems. As for current FEA commercial software, the frequency-dependent modulus of viscoelastic material hasn't been presented well and they have failed to provide satisfactory results. Therefore, two approaches, FEA and the …
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Safety and feasibility of a cloud-based architecture for multi-vehicle system
… traffic fatalities happens in high-speed multi-vehicle crashes. Causal analysis of multi-vehicle crashes reveal process model inconsistencies that lead the drivers to make wrong assumptions about vehicle capabilities and lead-vehicle separation distances during adverse road conditions. The Spot …
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A Novel Method for Vibration Analysis of the Tire-Vehicle System via Frequency Based Substructuring
… transmitted through the tire and suspension system are strong indicators of overall vehicle ride quality. Often, during the tire design process, target specifications are used to achieve the desired ride performance. To validate the design, subjective evaluations are performed by expert …
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Implementations of electric vehicle system based on solar energy in Singapore assessment of solar thermal technologies
To build an electric car plus renewable energy system for Singapore, solar thermal technologies were investigated in this report in the hope to find a suitable "green" energy source for this small island country. Among all existing solar thermal technologies, parabolic trough power plants represent …
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Implementations of electric vehicle system based on solar energy in Singapore : assessment of solar photovoltaic systems
… the feasibility of solar energy based Electric Vehicle Transportation System in Singapore, the state of the art Photovoltaic Systems have been reviewed in this report with a focus on solar cell technologies. Various solar cell technologies were evaluated based on characteristics such as …
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Development and Evaluation of an Assistive In-Vehicle System for Responding to Anxiety in Smart Vehicles
The integration of automated vehicle technology into our transportation infrastructure is ongoing, yet the precise timeline for the introduction of fully automated vehicles remains ambiguous. This technological transition necessitates the creation of in-vehicle displays tailored to emergent user …
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Implementation of electric vehicle system based on solar energy in Singapore assessment of flow batteries for energy storage
… density than other electro-chemical storage systems, the easy scalability of energy/power capacity at very low O&M cost enables flow batteries to be one of the fastest emerging energy storage technologies. The intellectual property landscape of current flow battery market has also been …
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Implementations of electric vehicle system based on solar energy in Singapore assessment of lithium ion batteries for automobiles
… (Li-ion) batteries for plug-in hybrid electric vehicle (PHEV) and battery electric vehicle (BEV) from technological and economical perspectives. Five key factors including power density, energy density, safety, durability, and cost are employed to compare four types of Li-ion batteries. Utility …
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Robust motion planning for autonomous tracked vehicles in deformable terrain
Ensuring the safety of autonomous vehicles during operation is a challenging task. Numerous factors such as process noise, sensor noise, incorrect model etc. can yield uncertainty in robot's state. Especially for tracked vehicles operating on rough terrain, vehicle slip due to vehicle terrain …
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Design of robust active trailer steering controllers for multi-trailer articulated heavy vehicles using software/hardware-in-the-loop real-time simulations
… benefits, Multi-Trailer Articulated Heavy Vehicles (MTAHVs) have been frequently adopted by the trucking industry. Despite the above advantages, MTAHVs exhibit two particular challenges concerning road safety. MTAHVs exhibit poor maneuverability at low speeds and low lateral stability at …
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Autonomous Vehicle Control using Image Processing
… the design of an inexpensive autonomous vehicle system using a small scaled model vehicle. The system is capable of operating in two different modes: telerobotic manual mode and automated driving mode. In telerobotic manual mode, the model vehicle is controlled by a human driver at a …
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A system engineering approach to improving vehicle NVH attribute management
… has just introduced a new product development system intended to drastically reduce product cycle time and expedite product time to market. In specifics, the product development processes and organization that manage the delivery of a vehicle system design that meets or exceeds customer …
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Comparison of Guidance Methods for Autonomous Planetary Lander
… A six degree of freedom (6DOF) simulation of the vehicle system dynamics is programmed in Simulink to test the various guidance methods. The guidance methods are assessed using several different trajectories.
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Systems analysis of an ion-propelled orbital transfer vehicle
A systems engineering approach was used to produce a preliminary design configuration for an ion-propelled orbital transfer vehicle system. The four components of the system are: ground software, ground hardware, the orbital transfer vehicle and the space shuttle. The orbital transfer vehicle uses …
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