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 2424 for “"uncertain"”.
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Stability of uncertain systems.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1971. Ph.D.
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Probabilistic skylines on uncertain data
… in some of these applications are inherently uncertain due to various factors. Although a considerable amount of research has been dedicated separately to efficient skyline computation, as well as modeling uncertain data and answering some types of queries on uncertain data, how to conduct …
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Probabilistic roadmaps in uncertain environments
Planning under uncertainty is a common requirement of robot navigation. Probabilistic roadmaps are an efficient method for generating motion graphs through the robot's configuration space, but do not inherently represent any uncertainty in the environment. In this thesis, the physical domain is …
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Multisensor modeling underwater with uncertain information
This thesis develops an approach to the construction of multidimensional stochastic models for intelligent systems exploring an underwater environment. The important characteristics shared by such applications are: real-time constraints: unstructured, three-dimensional terrain; high-bandwidth …
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Sequential pattern mining with uncertain data
… based services, have led to the proliferation of uncertain data. However, traditional data mining algorithms are usually inapplicable in uncertain data because of its probabilistic nature. Uncertainty has to be carefully handled; otherwise, it might significantly downgrade the quality of …
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Directing rural cooperatives in uncertain environments
… forces. The research focused on perceptions of uncertainty by directors of rural cooperatives, sources of uncertainty, and organizational strategies for coping with uncertainty. Boards were viewed as informal boundary spanning units. The decision making and resource dependence perspectives were …
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Robot Planning in Uncertain, Dynamic Environments
Many real-world applications require robots to operate in dynamic environments characterized by moving objects or agents whose trajectories are unpredictable. This thesis addresses the challenges posed by such environments by introducing Relative Temporal Probabilistic Roadmaps (Rel-T-PRM), a novel …
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Finite-state control of uncertain systems.
Thesis. 1978. M.S.--Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
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Risk based control in uncertain environments
… trajectory often struggle with reliability in uncertain environments, and making control decisions in real-time. Using a map of risk to the robot's state, a risk gradient controller can be created to find paths back to safety from anywhere in the robot's reachable space. Despite generating a …
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COMEDY: THE UNCERTAIN TERRAIN OF JOHN HAWKES
… that our responses to Hawkes' humor occur on an uncertain terrain where two or more, sometimes opposite, reactions to a text clash, forcing us into continuous moments of indecision.</p><p>Chapter II deals with Hawkes' first novel, Charivari, which is important because in it we find Hawkes …
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Planning and Scheduling in Temporally Uncertain Domains
… In this thesis, we focus on this temporal uncertainty issue in scheduling and in temporal planning: we propose to natively express temporal uncertainty in the model used for reasoning. We first analyze the state-of-the-art on the subject, presenting a rationalization of existing works. …
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Robust adaptive control of uncertain nonlinear systems
… robust adaptive control is investigated for uncertain nonlinear systems. The main purpose of the thesis is to develop adaptive control strategies for several classes of general nonlinear systems in strict-feedback form with different uncertainties including unknown parameters, unknown …
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Stochastic Control for Systems With Uncertain Parameters
Made available in DSpace on 2014-12-12T20:54:32Z (GMT). No. of bitstreams: 1 7709132.pdf: 3062578 bytes, checksum: e1aa21be67a8a4e52715245a33d08348 (MD5) Previous issue date: 1976
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On Robust State Estimation for Uncertain Systems
Made available in DSpace on 2014-12-12T20:54:33Z (GMT). No. of bitstreams: 1 7709178.pdf: 1982235 bytes, checksum: aeff47f8d0a6fa4c16ba834d6bf88088 (MD5) Previous issue date: 1976
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Lifted probabilistic relational inference for uncertain networks
… Model (PRGM) is a popular tool for modeling uncertain relational knowledge, of which the set of uncertain relational knowledge is usually assumed to be independent with the domain of the application. One common application of PRGM is to model complex networks using structural features. …
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Dynamic ship assignment problem with uncertain demands
Product tanker shipping companies in the spot market face severe volatility in demand and in price. We explore shipping companies' two problems: evaluating supply and demand of the market and assigning cargoes in order to maximize profitability. By approximating the market as a queueing system, we …
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Clean energy investments in an uncertain future
… alike are looking to new technologies. However, uncertainty regarding the challenges, the solutions, and the behavior of the energy system, make it difficult to discern which investment is right for what time. This thesis reviews the potential changes in today's energy system and examines the …
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Diagnostic process monitoring with temporally uncertain models
This thesis develops a real-time trend detection and monitoring system based on previous work by Haimowitz, Le, and DeSouza [3, 5, 2]. The monitor they designed, TrenDx, used trend templates in which the temporal points where data patterns change are variable with respect to the actual process …
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