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 21 for “"Software-in-the-loop"”.
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Mechatronic design of autonomous underwater vehicles for confined spaces
In utility piping and fluid transportation pipelines, it is often desired to have a robotic device that can navigate the complex structure to carry inspection to maintain the integrity of these infrastructures. In this work, an attempt to design an untethered micro autonomous underwater vehicle, …
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Securing the ADS-B Protocol for Attack-resilient Multiple UAV Collision Avoidance
The Automatic Dependent Surveillance-Broadcast (ADS-B) protocol is being adopted for use in unmanned aerial vehicles (UAVs) as the primary source of information for emerging multi-UAV collision avoidance algorithms. The lack of security features in ADS-B leaves any processes dependent upon the …
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Vision-Based Aerial Navigation Using Satellite Offline Maps
… Satellite System (GNSS) technology combined with advanced augmentation techniques provides high accuracy, its reliance on signal integrity leaves safety-critical applications vulnerable to spoofing and jamming. To address this, a lightweight vision-based localization module is proposed …
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A Taguchi-Based Approach to Tune Bio-Inspired Guidance Systems for Tactical UAVs
This thesis aims to tune the control parameters of a bio-inspired guidance system designed to confer a tactical behavior to unmanned aerial vehicles (UAVs). This bio-inspired guidance system is capable of reducing exposure to threats, while traversing previously uncharted, and potentially hostile …
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Enhancing Perception Systems using V2V Sensor Fusion
With the surge in popularity of autonomous vehicles that depend on complex perception systems to make safety critical judgments, it is necessary to test and improve them. One of the ways this can be done is through vehicle-to-vehicle communication. This concept has been around for decades but was …
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EASE-E: Edge-AI based System for Energy-Efficiency in Autonomous Driving (ADAS/AD)
The rise of Software-Defined Vehicles (SDVs) has rapidly advanced the development of Advanced Driver Assistance Systems (ADAS) and Autonomous Vehicle (AV) technology. However, as compute and sensing architectures for SAE Level 2 vehicles increasingly lean towards fully centralized systems, …
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Modeling and Assessment of State-Of-The-Art Traffic Control Subsystems
Traffic signals are one of the vital control elements of traffic management and control systems under purview of Departments of Transportation (DOTs) nationwide. They directly affect mobility, safety, and environmental parameters of the transportation networks. Traffic engineers in DOTs often face …
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Modeling of a Hybrid-Electric System and Design of Control Laws for Hybrid-Electric Urban Air Mobility Power Plants
<p>Advanced Air Mobility (AAM) is an emerging market and technology in the aerospace industry. These systems are being developed to overcome traffic congestion. The current designs make use of Distributed Electric Propulsion (DEP): either fully electric or hybrid electric. The hybrid engine system …
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Simulation and Integration of a 6-DOF Controllable Multirotor Vehicle
The purpose of this thesis is to develop an existing design of a fully controllable multi-rotor vehicle toward simulating small satellite dynamics, enabling technology development to be accelerated and component failure risks to be mitigated by providing a testing platform with dynamics similar to …
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Hardware in the Loop Simulation of a Heavy Truck Braking System and Vehicle Control System Design
The purpose of this thesis is to evaluate the findings brought forth from a research project conducted at The Ohio State University Center for Automotive Research. The objective of the research was to accurately model a 6x4 tractor-trailer rig using TruckSim and simulate severe braking and handling …
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Data-driven Target Tracking and Hybrid Path Planning Methods for Autonomous Operation of UAV
The present study focuses on developing an efficient and stable unmanned aerial system traffic management (UTM) system that utilizes a data-driven target tracking method and a distributed path planning algorithm for multiple Unmanned Aerial Vehicle (UAV) operations with local dynamic networks, …
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Power Estimation for High-Performance Lithium-Ion Batteries
This thesis addresses the challenges associated with power estimation for lithium-ion batteries from both experimental and modeling perspectives. From a safety perspective, accurately determining whether the battery pack can provide the necessary power for a given task is crucial for applications …
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Model-Based Design of a Plug-In Hybrid Electric Vehicle Control Strategy
For years the trend in the automotive industry has been toward more complex electronic control systems. The number of electronic control units (ECUs) in vehicles is ever increasing as is the complexity of communication networks among the ECUs. Increasing fuel economy standards and the increasing …
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On Virtual Commissioning of Manufacturing Systems: Proposals for a systematic VC simulation study methodology and a new simulation model building approach
The development of manufacturing systems is faced with progressively tightening time frames, along with growing requirements on planning quality and engineering accuracy. These demands result from significant cost constraints, shortening of product life-cycles, increasing number of product variants …
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Modelling and Control of Magnetic Fusion Plants Based on ARM CPU and STM32 MCU Platforms
This thesis is devoted to the modelling, design and implementation of systems that can be integrated into magnetic fusion plant controllers. These systems, usually referred to as control and data acquisition systems, supply the interface to all the instrumentation required for the nuclear fusion …
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A novel hydromechatronics system towards: micro-independent metering.
This thesis presents the outcome of an investigation into the development of an existing hydraulic control system known as Independent Metering towards Micro-Independent Metering (MIM). The Independent Metering system uses a different configuration of the connection between the main elements of the …
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Methodology to Assess Traffic Signal Transition Strategies Employed to Exit Preemption Control
Enabling vehicles to preempt the normal operation of traffic signals has the potential to improve the safety and efficiency of both the requesting vehicle and all of the other vehicles. Little is known about which strategy is the most effective to exit from preemption control and transition back to …
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An experimental investigation into the most prominent sources of uncertainty in wave tank testing of floating offshore wind turbines
There is an urgent need to replace carbon-based energy sources with renewable energy sources, and floating offshore wind is seen as a critical component in the drive towards energy diversification. Floating offshore wind facilitates accessing a far vaster wind resource that exists in deeper waters, …
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Implementation of wide area protection system (WAPS) for electrical power system smart transmission grids
The planning, operation and control of the power system has been evolving since its inception. These changes are due to the advancement in science and technology, and changes in energy policy and customer demands. The envisioned power system - smart grid (SG) - is expected to have functional and …
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Development of a Series Parallel Energy Management Strategy for Charge Sustaining PHEV Operation
The Hybrid Electric Vehicle Team of Virginia Tech (HEVT) is participating in the 2012-2014 EcoCAR 2: Plugging in to the Future Advanced Vehicle Technology Competition series organized by Argonne National Lab (ANL), and sponsored by General Motors Corporation (GM) and the U.S. Department of Energy …
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