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 13 of 13 for “"Demonstration mission"”.
-
Electronics development for the Deformable Mirror Demonstration Mission (DeMi)
… mirror (DM) for the 6U CubeSat Deformable Mirror Demonstration Mission (DeMi) with the objective of increasing the NASA Technology Readiness Level (TRL) of the MEMS DM toward its use for direct exoplanet imaging on a future large aperture space telescope mission. This thesis outlines the key …
-
The Deformable Mirror Demonstration Mission (DeMi) On-Orbit Analysis
The Deformable Mirror Demonstration Mission (DeMi) is a 6U CubeSat mission to demonstrate the use of a 140 actuator microelectromechanical system (MEMS) deformable mirror (DM) and a closed-loop adaptive optics (AO) system in space. DeMi launched to the International Space Station (ISS) on the NG-13 …
-
On-Orbit Characterization of a Microelectromechanical Systems (MEMS) Deformable Mirror (DM): Mission Results from the Deformable Mirror Demonstration Mission (DeMi) CubeSat
The Deformable Mirror Demonstration Mission (DeMi) CubeSat operated from July 2020 to March 2022 and demonstrated the successful operation of a Microelectromechanical Systems (MEMS) Deformable Mirror (DM) on orbit for the first time. As part of space-borne adaptive optics systems, DMs correct …
-
A fluid loop actuator for active spacecraft attitude control - A Parametric Sizing Model and the Design, Verification, Validation and Test with a Prototype on an Air Bearing
… lifetime. Previous work addressed conceptual and mission-specific control aspects, and one fluid loop has flown on a demonstration mission. In this dissertation, a parametric sizing model is developed that can optimize a fluid loop for any mission, based on pump capabilities and customer …
-
Attitude and formation control design and system simulation for a three-satellite CubeSat mission
… of the primary challenges of a formation flight mission is the control of the relative motion between spacecraft. Before any flagship missions will launch, technology development missions will be required to demonstrate the utility and functionality of formation flying systems. This thesis …
-
Simulation and testing of wavefront reconstruction algorithms for the deformable mirror (DeMi) cubesat
… are to gain acceptance for use in future space missions, interactions with other system components must be studied, and support systems suitable for operating the DM in the space environment with constrained size, power, and computation resources must be developed. This thesis discusses the …
-
Optomechanical design, analysis, and testing of the nanosatellite optical downlink experiment
… NODE is a CubeSat FSO communication system demonstration mission. The NODE payload is a hosted payload that is designed to establish and maintain optical alignment, survive launch loads, and maintain allowable flight temperatures. Resonant frequency analysis predicts the first resonant …
-
Lunar lander propellant production for a multiple site exploration mission
… architecture so that a lunar oxygen production demonstration mission can also provide a significant exploration and scientific return. This architecture will send one lander to the lunar surface with the capability of producing its own propellant to launch itself to multiple sites of scientific …
-
Robots Making Satellites: Advancing In-Space Manufacturing Through On-Orbit Robotic Assembly
… for in-space manufacturing. On-orbit assembly missions typically involve humans-in-the-loop and use large custom-built robots to service existing modules. Introducing modularized small satellites (SmallSats) for use cases such as rapid reconstitution of satellite constellation nodes and …
-
Magnetoshell Aerocapture: Advances Toward Concept Feasibility
… that can bring MAC closer to a successful demonstration of concept feasibility. A custom orbit code that dynamically couples magnetoshell physics with trajectory propagation is developed and benchmarked. The code is used to simulate MAC maneuvers for a 60 ton payload at Mars and a 1 ton …
-
Integrace MHS do mikrosatelitu pro kvalifikační misi
Tato diplomová práce se zabývá proveditelností demonstrační mise za použití CubeSatu, která by měla kvalifikovat miniaturizovaný tepelný spínač pro vesmírné aplikace. Studie posuzuje různé konfigurace CubeSatů od 1U do 3U se zaměřením na jejich schopnost provádět potřebné tepelné testy. Zjišťuje, …
-
FRAMEWORK FOR CUBESATS MISSION MANAGEMENT, DESIGN, AND OPTIMIZATION
… for the design and management of CubeSat missions. In recent years, CubeSats have moved from their original intent of educational nanosatellites to platforms that can deliver high scientific and commercial value. This mission performance improvement comes with a rise in their complexity. …
-
Free-fall of LISA Test Masses: a new torsion pendulum to test translational acceleration
… testing is required. While a dedicated space mission, the LISA Technology Package [2, 3] technological demonstration experiment, is scheduled to be launched in 2010, extensive ground testing is mandatory to exclude the most threatening sources of disturbances and give a preliminary …