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 788 for “"Observers"”.
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Failure detection by human observers.
Thesis. 1977. M.S.--Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics.
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MOVE: Mobile Observers Variants and Extensions
<p>Traffic state estimation is a fundamental task of Intelligent Transportation Systems. Recent advances in sensor technology and emerging computer and vehicular communications paradigms have brought the task of estimating traffic state parameters in real-time within reach.</p> <p>This has led to …
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Electronic Observers for Radio Direction Finding
Made available in DSpace on 2014-12-04T21:03:28Z (GMT). No. of bitstreams: 1 6202974.pdf: 3442482 bytes, checksum: ad88823717abc242053156a36de05d6b (MD5) Previous issue date: 1962
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Nonlinear state estimation using sliding observers
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1988.
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Observers' Perceptions of Rapport in Accusatorial Interrogations
… whether these synergistic effects extend to observers tasked with judging the reliability of such statements. Currently, police in over thirty states are required to videorecord custodial interrogations with the goal of documenting and increasing transparency for the process by which …
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Do actors or observers make better eyewitnesses?
… about the brands used. Contrary to expectations, observers were more accurate than subjects who mixed the recipes. Overall, confidence was unrelated to accuracy. Also unexpectedly, more baking experience did not result in higher accuracy. Experienced subjects were more confident in their choices, …
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Fast adaptive observers for battery management systems
… in electrochemical modeling and adaptive observers in general. The first and fundamental component is a modification of the SPM with attractive features such as the encapsulation of lithium diffusion as a linear dynamical system independent of nonlinearities and decoupling of the nonlinear …
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Discrete-time observers for inertial navigation systems
In this thesis, we derive an exact deterministic nonlinear observer to compute the continuous-time states of inertial navigation system based on partial discrete measurements, the so-called strapdown problem. Nonlinear contraction theory is used as the main analysis tool. The hierarchical structure …
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Nonlinear Observers for Aircraft Maneuvering in Wind
… to reduced-order methods. Together, these observers offer stability guarantees applicable to general maneuvering flight, demonstrated on both fixed-wing and multirotor UAVs. Overall, this dissertation contributes to safer, more autonomous aerospace systems.
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Persistent patrolling in the presence of adversarial observers
The majority of persistent patrolling strategies seek to minimize the time between visits or "idleness" of any target or location within an environment in an attempt to locate a hidden adversary as quickly as possible. Such strategies generally fail, however, to consider the game theoretic impacts …
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Nonlinear Observers for Human-in-the-loop Control Systems
… the ball with a joystick. Nonlinear sliding mode observers are developed to estimate the gains of a feedback control law and nonlinear sliding mode observers are developed to estimate the torques on the shoulder, elbow, and joystick joints. The nonlinear observers are simulated on a …
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Sliding Mode Observers for Distributed Parameter Systems: Theory and Applications
… sensors. Therefore, there is the need for state observers to estimate the states of the system only having the output of the system available. In this research, the theory of sliding mode and variable structure systems are employed in order to design observers for different classes of distributed …
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Observers' Misperception of Pain in Older Adults with Dementia
… during pain. In the judgment study, observers were sensitive and accurate judges of pain. Overall, observers were substantially more accurate when judging the pain of individuals with dementia, with observers’ age and scores on a measure of ascribing personhood to individuals with …
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Differential Privacy and Opacity for Positive Linear Systems and Observers
… constraints to positive linear systems and observers via differential privacy and opacity. After reviewing relevant notation and background, wefirsttackletheproblem of building a differentially private mechanism that preserves positivity. We consider two methods of constructing these …
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Justifying the Inevitable: How Observers of Mistreatment Can Perpetuate Mistreatment
Observers of workplace mistreatment are embedded within organizations—the same organizations in which mistreatment has occurred. Importantly, organizations represent social systems: they provide structure, create predictability, and offer resources to its employees. Attributes of the organizational …
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Design of observers for the swing dynamics of power networks
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Non-Linear Robust Observers For Systems With Non-Collocated Sensors And Actuators
… observer and a sliding mode observer. The observers are designed based on the variable structure systems theory and the self-tuning fuzzy logic scheme. Their robustness and self-tuning characteristics allow one to use an imprecise model of the system and eliminate the need for the extensive …
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Implementation of cybersecure observers and control in microgrids; energy dynamics based approach
Today's microgrids are modeled as dynamical systems with multiple physical components that interact. Microgrids are essentially small blocks that make up the larger energy grid and they are independent, meaning they can function separately and autonomously from the larger energy grid. These …
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Data Reduction for Diverse Optical Observers through Fundamental Dynamic and Geometric Analysis
Typical algorithms for processing unresolved space imagery from optical systems make broad assumptions about the expected behavior of the sensors during collection. While these techniques are often successful at data reduction for a particular mission, they rarely extend to sensors in different …
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Integrating SLAM-DUNK and variable rate particle observers for fast multi-hypothesis SLAM
In this thesis, the problem of SLAM with some set of prior hypotheses about the map, called Multi-Hypothesis SLAM, was tackled using a combination of an existing landmark-based SLAM algorithm called SLAM-DUNK and a particle filter inspired approach. SLAM-DUNK is a recent Kalman Filter-based …
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