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 141 for “"Hardware-in-the-loop"”.
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GNSS Hardware-In-The-Loop Formation and Tracking Control
Formation and tracking control are critical for of today's vehicle applications in and this will be true for future vehicle technologies as well. Although the general function of these controls is for data collection and military applications, formation and tracking control may be applied to …
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Dynamic modeling and hardware in the loop testing of chemical processes
This thesis presents a framework for hardware-in-the-loop (HIL) testing of chemical plants. HIL testing is a widespread tool used in industry and academia to bridge the gap between computer simulations and physical experimentation. It provides many advantages to the standard development path of …
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Distributed shared memory for real time hardware in the loop simulation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1994.
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Dynamic Test Scheduling in Hardware-In-the-Loop Simulation of Commercial Vehicles
… by various Electronic Control Units (ECU). They are not only tested as single units, but also by networking them in Controlled Area Network bus (CAN) to form a complete electrical control system. This is achieved using Hardware In the Loop (HIL) Integration Lab. In HIL, the electrical system …
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Real time hardware in the loop simulation testbed of spacecraft formation flying
The great potential benefits associated with SFF (satellite formation flying) have led to considerable research in this concept around the world. As it is a new field of research and the implementation of formation flying in practice brings some inherent challenges and risks It is therefore …
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A modular real-time hardware-in-the-loop simulation environment for microgrids
In this work, a real-time load flow solver that solves for the complex bus voltages in a 4-bus electrical network (with 1 bus as the swing/reference bus) was designed and implemented. Simple Distributed Generator (DG) models were written in C++, with a 3-phase inverter always as the last sub-system …
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Design and Validation of Hardware-in-the-Loop Testbed for Proximity Operations Payloads
<p>The research presented here is a new testbed design for CubeSat and payload testing and development. This research demonstrates a low-cost, hardware-in-the-loop testing apparatus for use with university CubeSat programs for testing throughout the different levels of the development process. The …
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Command and Data Handling-Driven Spacecraft Operations Using Hardware-in-the-Loop Simulation
… demonstration, but mission success remains highly dependent on reliable command execution, telemetry handing, and subsystem coordination. Traditional satellite evaluation methods often emphasize isolated subsystem validation or environmental simulation, while providing limited insight …
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Development of D-Statcom in hardware in the loop system for voltage SAG mitigation
The problem of power quality (PQ) is of utmost concern today. The widespread use of electronic equipment such as adjustable speed drive (ASD), programmable logic controller (PLC), information technology equipment in power electronics applications such as energy-efficient lighting brings about a …
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Novel methods for enhancing accuracy and stability of power hardware-in-the-loop simulations
Novel methods for the interface between the simulation and hardware of Power Hardware-In-the-Loop (PHIL) configurations have been analysed, developed and experimentally evaluated in this thesis, for enhancing the applicability of PHIL simulations, increasing its stability and accuracy …
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Power-Hardware-In-The-Loop (Phil) Considerations and Implementation Methods For Electrically Coupled Systems
<p>Power-Hardware-In-the-Loop (PHIL) simulations are increasingly useful for the design and validation of new products as well as for system interaction studies. In a PHIL simulation portions of a system are modeled in software and naturally coupled with actual hardware components with real power …
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Hardware-in-the-Loop Simulation for Verification of CubeSat Attitude Determination and Control Subsystem
<p>Since their creation in 1999, CubeSats have quickly erupted into a worldwide phenomenon. With missions growing in complexity, it is often required to keep the satellite in a certain orientation appropriate to that mission. To achieve this desired orientation, CubeSats must use an attitude …
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Testing the attitude determination and control of a CubeSat with hardware-in-the-loop
This thesis presents a methodology for testing the attitude determination and control of a CubeSat within a constrained environment. This approach first evaluates the concept of operations of the satellite mission, then takes into account the limitations of the test environment, formulates test …
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Microgrid risk reduction for design and validation testing using controller hardware in the loop
As electric power customers look for reductions in the cost of energy, increases in the level of service reliability, and reductions in greenhouse gas emissions a common solution is a microgrid. These microgrids are smaller power systems where distributed energy resources are used to power local …
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A Development Platform to Evaluate UAV Runtime Verification Through Hardware-in-the-loop Simulation
The popularity and demand for safe autonomous vehicles are on the rise. Advances in semiconductor technology have led to the integration of a wide range of sensors with high-performance computers, all onboard the autonomous vehicles. The complexity of the software controlling the vehicles has also …
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Verification and validation of microgrid control architectures on a controller hardware in the loop testbed
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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