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 23 for “"Hardware-in-the-loop Simulation"”.
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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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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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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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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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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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GNSS-based Hardware-in-the-loop Simulation of Spacecraft Formation Flight: An Incubator for Future Multi-scale Ionospheric Space Weather Studies
Spacecraft formation flying (SFF) offers robust observations of multi-scale ionospheric space weather. A number of hardware-in-the-loop (HIL) SFF simulation testbeds based on Global-Navigation-Satellite-Systems (GNSS) have been developed to support GNSS-based SFF mission design, however, none of …
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Hardware-in-the-loop simulation of pressurized water reactor steam-generator water-level control, designed for use within physically distributed testing environments
A hardware-in-the-loop model was developed to represent digital sensing and control of steam generator water-level. The model was created with an intention to serve as a component within a larger, distributed digital systems conceptual testing facility. In the present application, a software model …
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Adaptive protection solutions for future active power distribution networks
Power distribution networks are undergoing a continuous evolution from being passive to active in nature, with increasing penetration of distributed generation and the introduction of active network management schemes to facilitate increased distributed generation connections, automatically manage …
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The Impact of Low-Earth-Orbit Satellites on GNSS Ambiguity Resolution
In this thesis, the impact of low-earth-orbit (LEO) satellites on carrier phase ambiguity resolution is demonstrated through a global covariance simulation and a hardware in-the-loop simulation. Dedicated LEO constellations for GNSS are expected to become operational within the next few years and …
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Optical Satellite/Component Tracking and Classification via Synthetic CNN Image Processing for Hardware-in-the-Loop testing and validation of Space Applications using free flying drone platforms
The proliferation of reusable space vehicles has fundamentally changed how we inject assets into orbit and beyond, increasing the reliability and frequency of launches. Leading to the rapid development and adoption of new technologies into the Aerospace sector, such as computer vision (CV), machine …
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Development of an Emulated Free-Floating Environment for On-Earth Testing of Space Robots
<p>The ability to perform experiments on space robotic systems within a laboratory setting is crucial to development and testing of satellites and space robots prior to launch. One of the most widely used techniques which recreate the on-orbit motion of space robots and targets is …
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Revving up for the future: an inductive power transfer system geared for vehicular applications
Energized by the prospect of decluttering the charging infrastructure by severing the bulky power cords used to charge an Electric Vehicle (EV), an innovative technique to wirelessly charge an EV battery known as Inductive Power Transfer (IPT) has garnered widespread acceptance. This thesis …
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Autonomous aerobatic maneuvering of miniature helicopters
In this thesis, I present an experimentally proven control methodology for the autonomous execution of aerobatic maneuvers with small-scale helicopters, and a low-order dynamic model which adequately describes a miniature helicopter in a wide range of flight conditions, including aerobatics. The …
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