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 647 for “""uncertain systems""”.
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Stability of uncertain systems.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1971. Ph.D.
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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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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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On the Stability and Robustness of Discrete Uncertain Systems
… and reference tracking performance in dynamical systems with uncertainties. Nominal, fixed-gain controllers rely on accurate mathematical models to guarantee desired stability and performance. However, uncertainty in system modeling is unavoidable. MRAC provides flexibility in system modeling, …
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DEVELOPMENT OF ADAPTIVE ROBUST SCHEMES FOR NONLINEAR UNCERTAIN SYSTEMS
… techniques to enhance the performance of control systems applicable to some classes of nonlinear uncertain systems. Associating the adaptive control techniques with other control methods, such as backstepping control method and variable structure control method, we propose new adaptive robust …
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Stability analysis of uncertain systems: Integral quadratic constraints approach
… respect to nonlinearities, time-variations and uncertain parameters called Intergral Quadratic Constraints (IQC) methodology. It can be used as an introduction to a specific technique developed by Alexandre Megretski and Anders Ranzer and as a manual to the software package for stability …
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Input/output linearization of uncertain systems with time delay control
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1993.
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Cost averaging techniques for robust control of parametrically uncertain systems
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1991.
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Lyapunov-Based Robust and Adaptive Control Design for nonlinear Uncertain Systems
The control of systems with uncertain nonlinear dynamics is an important field of control science attracting decades of focus. In this dissertation, four different control strategies are presented using sliding mode control, adaptive control, dynamic compensation, and neural network for a nonlinear …
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On-line estimation approaches to fault-tolerant control of uncertain systems
… The faults that are considered are significant uncertainties affecting the control variables of the process and their estimates are used in an adaptive control compensation mechanism. The approach taken involves the active FTC, as the faults can be considered as uncertainties affecting the …
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Robust stabilization of linear time-invariant uncertain systems via Lyapunov theory
… feedback controller for linear time-invariant systems with constant uncertainties that are not required to satisfy matching conditions. Only the bounds on the uncertainties are required and no statistical property of the uncertainties is assumed. The systems under consideration are described by …
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Control of uncertain systems with a set-membership description of the uncertainty.
Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1971. Ph.D.
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Observer-based event-triggered and set-theoretic neuro-adaptive controls for constrained uncertain systems
… control (ETNAC) schemes are presented for uncertain linear systems. These comprehensive designs offer flexibility to choose a design depending upon system performance requirements. Stability proofs for each scheme are presented and their performance is analyzed using benchmark examples. In …
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Stability Limits of Uncertain Systems in the Presence of Unmatched Coupled Dynamics and Actuator Dynamics with Adaptive Architectures
<p>Uncertain systems with coupled dynamics and actuator dynamics are prevalent in various applications spanning private, commercial, and government sectors. While stabilization and command tracking strategies exist, they often rely on idealized assumptions, such as negligible actuator bandwidth …
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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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Parametric Optimal Design Of Uncertain Dynamical Systems
… to support the parametric optimal design of uncertain dynamical systems. Uncertainty comes from various sources, such as: system parameters, initial conditions, sensor and actuator noise, and external forcing. Treatment of uncertainty in design is of paramount practical importance because all …
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