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 11 of 11 for “"Space Probes"”.
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Modulation and coding for deep space probes.
Thesis: B.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1965
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Design of a cusped field plasma thruster
A plasma space propulsion thruster has been designed. It is classified as a Cusped Field Thruster (CFT), which refers to the geometry of the magnetic field that influences the flow of electrons and ions. The thruster was modeled after an original Diverging Cusped Field Thruster (DCFT) developed at …
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Design Exploration of a Miniaturized Stirling Engine
Increased interest in long-term space exploration has increased demand for small yet powerful energy sources, especially for remote and harsh environments where traditional power sources may be impractical. In such scenarios, space probes and high-reliability systems necessitate innovative …
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Coordinating agile systems through the model-based execution of temporal plans
… or search-and-rescue scenarios. In the space domain, execution of temporally flexible plans has provided an enabler for achieving the desired coordination and robustness, in the context of space probes and planetary rovers, modeled as discrete systems. We address the challenge of …
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Computational and theoretical study of electron phase-space holes in kinetic plasma: kinematics, stability and ion coupling
… also has important implications for interpreting space probes observations.
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State estimation of probabilistic hybrid systems with particle filters
… in every-day applications, ranging from space probes and life support systems to autonomous rovers. In order to act robustly in the physical world, robotic systems must handle the uncertainty and partial observability inherent in most real-world situations. A convenient modeling tool for …
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Generalized conflict learning for hybrid discrete/linear optimization
… autonomy, discrete systems, like deep space probes, have given way to more agile systems, such as coordinated vehicle control, which must robustly control their continuous dynamics. Controlling these systems requires optimizing over continuous, as well as discrete variables, using …
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Robust execution for stochastic hybrid systems
… Underwater Vehicles (AUVs), planetary rovers and space probes, have enormous potential in areas such as reconnaissance and space exploration. However the effectiveness and robustness of these systems is currently restricted by a lack of autonomy. Previous work introduced the concept of a …
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Error-Correcting Codes Associated With Generalized Hadamard Matrices Over Groups
… matrices. Indeed, the success of early Mars deep-space probes was strongly dependent upon this communication technology.</p> <p>The concept of Hadamard matrices with elements drawn from an Abelian group is a natural generalization of the concept. For the case in which the dimension of the matrix …
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Stellar occultations by bodies in the outer solar system at the South African Astronomical Observatory
… of ground-based telescopes and rivals that of space probes. Here, we present work done by the South African Astronomical Observatory (SAAO) stellar occultation observing program during the period of July 2016 - July 2017. Specifically, we describe the telescopes, instruments and data analysis …