Organizational Unit:
Daniel Guggenheim School of Aerospace Engineering
Daniel Guggenheim School of Aerospace Engineering
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1 - 10 of 66
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ItemSpace Object Tracking from CubeSats utilizing Low-Cost Software Defined Radios(Georgia Institute of Technology, 2023-12) Mealey, Alex
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ItemDevelopment of an Open Source Data Visualization and Automated Testing Platform for CubeSat Subsystems(Georgia Institute of Technology, 2023-08) Bustos, Alexander
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ItemSatellite Orbit Classification through Machine Learning(Georgia Institute of Technology, 2023-08) Kalidindi, Lakshmi Kundana
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ItemA Survey and 3LE Generation Model of Megaconstellations in the Future LEO Environment(Georgia Institute of Technology, 2023-05) Schweiger, Gerald Anton
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ItemWireless Energy from Beamed Signals: A Case Study in Rapid CubeSat Design(Georgia Institute of Technology, 2023-05-01) Lawver, LukeThis paper focuses on the mission design and trade studies performed in the development of the Wireless Energy from Beam Signals (WEBS) CubeSat, a power-receiving target in the Space Solar Power Incremental Demonstrations and Research (SSPIDR) wireless space-to-space power transmission technology demonstration mission supporting the Arachne primary spacecraft. The development process of the mission is discussed in detail, with an emphasis on the rapid development of a robust, low-cost mission. Power, attitude knowledge, and communications trade studies that ultimately influenced the final spacecraft and mission design are discussed in detail, along with sensor selection and operational design. The trade studies explored focus primarily on the challenges associated with the operation of a tumbling spacecraft with limited attitude control regarding both power generation and attitude estimation. Additionally, the dual communications systems design is discussed along with a unique power inhibit system that allows for system checkouts and charging to occur prior to and leading up to deployment. Further discussed are the custom spacecraft bus design and manufacturing considerations. The successful demonstration of the wireless power transmission technology to WEBS will represent an important step toward enabling a new method of powering spacecraft on orbit.
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ItemModal Analysis and GEO Simulation of Large Space Structures(Georgia Institute of Technology, 2023-05) Kapoor, Ananya
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ItemWireless Energy from Beamed Signals - A Case Study in Rapid CubeSat Design(Georgia Institute of Technology, 2023-05) Lawver, Luke
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ItemLine of Sight Observational and Inertial Sensing Requirements for Multi-UAV Tracking subject to GNSS Denial(Georgia Institute of Technology, 2022-08) Bouhall, Matthew M.
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ItemImpacts of Altitude on Expectation Maximization-based Data Association and Orbit Estimation(Georgia Institute of Technology, 2022-08) Sakson, Daniel
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ItemHigh-Speed, Low-Power, Low-Profile Design Fiber-Optic Communication System for CubeSat(Georgia Institute of Technology, 2022-06-08) Kotani, KoheiToday, the demand for big data, such as high-resolution images, has been rapidly increasing in space missions. However, the means to achieve multi-Gbps transmission is limited to ethernet, coax, or FFC in CubeSat design. This research describes the development of a lightweight and low-power consumption high-speed communication system suitable for small satellites. A high volume of data from two high-resolution cameras is transmitted to a Raspberry Pi Compute Module 4 running Linux using a fiber-optic link as an interconnect, and the dual images are displayed on a monitor. The FPGA with a high-speed transceiver is extensively used to achieve high-speed communication. It is also verified that the fiber-optic module operates at up to 6.25 Gbps with a power consumption of 90 mW. This research includes the hardware and software development details. All the materials, including the schematics, PCB design, and programming codes, can be found in the Github repository. Furthermore, this thesis includes the discussion of fiber-optic module usage in the space environment and comparing fiber-optic with ethernet, coax, and FFC, along with the selection guides CubeSat developers can refer to. The final deliverable of this research is the high-speed fiber-optic interconnection designed to fit into a CubeSat platform, demonstrating the dual-image display from two HD cameras. The prototype can be extended to implement high-volume data applications such as stereo imaging for proximity operations, free-space inter-satellite links, and high-speed intra-satellite communications for CubeSat platforms.