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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 36 for “"in situ resource utilization"”.
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Towards autonomous lunar navigation for in-situ resource utilization
Work from the student team Illinois Kingfishers participating in the Lunar Autonomy Challenge (LAC) is presented. The team was formed by students in the Human-Centered Autonomy Lab (HCAL) at the University of Illinois Urbana-Champaign (UIUC). Teams in the LAC created an autonomous system to guide a …
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Technology selection and architecture optimization of in-situ resource utilization systems
This paper discusses an approach to exploring the conceptual design space of large-scale, complex electromechanical systems that are technologically immature. A modeling framework that addresses the fluctuating architectural landscape (an inherent feature of developing technology systems) is …
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In-Situ Resource Utilization of Pectin and Bosch Carbon for Energy Storage
Various waste sources available during long-duration crewed space exploration missions have been targeted for application in electrochemical energy storage technologies. Pectin, a biopolymer found in plant cell walls, can be extracted from food waste and implemented into various polymer electrolyte …
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Molten Regolith Electrolysis reactor modeling and optimization of in-situ resource utilization systems
In-Situ Resource Utilization (ISRU), the practice of leveraging space resources to support space exploration, has long been considered as a possible avenue for reducing the mass and cost of exploration architectures. In particular, producing oxygen from lunar regolith holds great promise for …
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Composition sensors calibration and characterization and warmup analysis for the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE)
MOXIE, the Mars Oxygen In-Situ Resource Utilization Experiment, is one of the payloads that is being carried on the Mars 2020 Perseverance rover. MOXIE was developed by MIT and NASA's Jet Propulsion Laboratory (JPL) to demonstrate, for the first time, In-Situ Resource Utilization (ISRU) on another …
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Laboratory Characterization of Mars In-Situ Resource Utilization (ISRU) using the Mars Oxygen ISRU Experiment (MOXIE) FlatSat Testbed
The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) is a payload onboard NASA’s Perseverance Rover demonstrating the production of oxygen through solid oxide electrolysis of carbon dioxide in the Martian atmosphere. MOXIE has successfully generated oxygen on Mars 14 times since landing …
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Mission and System Design for In-Situ Resource Utilization in the Outer Solar System using Nuclear Propulsion Technologies
The parameter space of a theoretical in-situ propellant acquisition system is examined for a sample return mission from trans-Neptunian destinations (>40au) using two theoretical spacecraft designs, which compare nuclear propulsion systems for impulsive and continuous thrust. Each available …
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Steady-State and Transient Thermal Modeling of Solid Electrolysis (SOXE) within the Mars Oxygen In-Situ Resource Utilization Experiment
Humankind has always felt the need to understand our place in the universe. The most direct next step for humankind to accomplish the colossal task of understanding and exploring our place in the solar system is to send people to Mars. This ambitious task requires improved understanding and …
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System modeling, graphical user interface development, and sensors testing for the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE)
The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) represents the first time that NASA is demonstrating In-Situ Resource Utilization (ISRU) on the surface of another planetary body. MOXIE will produce oxygen from atmospheric CO 2 on Mars. It is being developed for NASA's 2020 Mars …
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Development of new processes for ISRU (In Situ Resource Utilization) and ISFR (In Situ Fabrication and Repair) applications on Moon and Mars
… useful for future manned space missions, in the framework of the so-called ISRU (In-Situ Resource Utilization) and ISFR (In-Situ Fabrication and Repair) concepts. Specifically, the approach to ISRU will focus on technologies necessary to extract consumables for human life-support system …
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System modeling, design, and control of the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) and implications for atmospheric ISRU processing plants
As humankind expands its footprint in the solar system, it is increasingly important to make use of Earth independent resources to make these missions sustainable and economically feasible. In-Situ Resource Utilization (ISRU), the science of using space resources to support exploration missions, …
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Multi-Objective System Optimization of a Mars Atmospheric ISRU Plant
The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) represents the first time that NASA is demonstrating In-Situ Resource Utilization (ISRU) on the surface of another planetary body. MOXIE produces oxygen from atmospheric CO2 on Mars. It was developed for NASA’s Mars 2020 Rover and …
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Towards a Visual Simultaneous Localization and Mapping System for Computationally Constrained Systems
… missions such as sample retrieval and in-situ resource utilization will require more accurate localization techniques such as Simultaneous Localization and Mapping (SLAM) to achieve the science goals. In this thesis, a visual SLAM system aimed towards computationally constrained systems …
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Graphene and Related Materials Inks and Composites for Space Applications
Recent advancements in reusable rockets have led to a precipitous drop in pay-load to orbit costs (from $55,000/kg to $2,700/kg), enabling the establishment and meteoric rise of a commercial space industry. This opening up of space has spurred the generation of novel ideas and technologies, …
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Use and sizing of rocket hoppers for planetary surface exploration
The utilization of rocket hoppers can provide a valuable means of obtaining enhanced mobility for planetary surface exploration missions. Hoppers offer higher exploration versatility than landers, rovers, or other surface exploration systems through their ability to quickly traverse difficult …
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Aurora: Lunar Surface Power Plant
One of NASA’s Lunar Infrastructure goals is to develop an incremental lunar power generation and distribution system that is evolvable to support continuous robotic/human operation and is capable of scaling to global power utilization and industrial power levels. Achieving this mission will require …
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Spacecraft trajectory tracking and parameter estimation in the presence of a splitting contact binary asteroid
Increasing interest in asteroid mining and in-situ resource utilization will lead to an increase in asteroid surface operations. The composition of asteroids is often unknown and potentially unstable, many of which are bound together predominantly by gravitational forces. Surface operations such as …
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The Generalized Location Routing Problem with Profits for planetary surface exploration and terrestrial applications
… the scale of space exploration gets larger, planning of planetary surface exploration becomes more complex and campaign-level optimization becomes necessary. This is a challenging profit maximization problem whose decisions encompass selection of bases, technological options, routes, and excursion …
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Scaled experimental study on excavation of lunar regolith with rakes/rippers and flat blade
… bodies, it will be necessary to use local resources rather than bringing everything from the Earth. This concept is called In-Situ Resource Utilization (ISRU), which starts with excavation and earthmoving. The present study focuses on loosening and moving of the lunar regolith by a ripper …
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Variable Structure Feedback Control with Application to Spacecraft with Small Thrust Propulsion Systems
<p>Small spacecrafts requiring small propulsion systems are becoming more popular for low Earth orbit. It is important for these research satellites to have accurate guidance and control systems. Small propulsion systems will also be beneficial for multiple small spacecrafts used future exploration …
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