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 9 of 9 for “"state space control"”.
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Performance index analysis of control systems synthesized for a counter-current process
… predict the ability of a particular MIMO control system design to meet certain performance objectives are discussed in this dissertation. These performance objectives include: * Input and output rejection of noise and disturbances. * Input and output insensitivity to changes in the …
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State-space modeling and optimal control of ship motions in a seastate
In this thesis, a new state-space model and motion control algorithm are developed from first principles for the improvement of the seakeeping performance of high-speed vessels equipped with lifting appendages that are actively controlled in regular and random waves. A ship at sea can experience …
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A comparison of software engines for simulation of closed-loop control systems
A wide array of control system design and simulation software engines is available in market. It includes MATLAB-Simulink, LabVIEW, Maple-MapleSim, Scilab-Scicos, VisSim and Mathematica-Control Professional Suite (CPS). Among all of them MATLAB-Simulink is dominant and widely used software engine. …
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The Integration of State Space into the Dynamic Synthesis/Design and Operational/Control Optimization of a PEMFC System
… of energy systems is to only use steady state operation and high efficiency (or low total life cycle cost) at full load as the basis for the synthesis/design. Transient operation is a secondary task to be solved by system and control engineers once the synthesis/design is fixed. This …
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Melt Pool Feature Extraction, A State-Space Model and Spatial Layer-to-Layer Control for Powder Bed Fusion
… feature maps to visualize defect locations and control researchers use layer-to-layer control to achieve more uniform melt pools and less defects.</p> <p>Paper I presents a simulation method to characterize the effect of down-sampling on melt pool thermal feature measurements. Based on …
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Derivation and application of nonlinear analytical redundancy techniques with applications to robotics
… maximum possible number of linearly independent control model-based consistency tests for a system. Using a linear model of the system of interest, analytical redundancy exploits the null-space of the state space control observability matrix to allow the creation of a set of test residuals. These …
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Modeling and Control of a Six-Switch Single-Phase Inverter
… is available on characterizing the system from a controls point of view. In particular balancing the two outputs with an uneven load is a concern. This thesis uses nodal and loop analysis to formulate a mathematical model of the six-switch single-phase inverter. A non-linear time invariant model …
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Adaptive Control of an Aeroelastic System for Active Flutter Suppression and Disturbance Rejection
… This motivates the implementation of advanced control methods to control aeroelastic systems over a range of flight conditions, suppress and delay the onset of flutter, and compensate for disturbances, actuator dynamics, and unmodeled nonlinear dynamics.</p> <p>This dissertation first develops …
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Decentralized state-space controller design of a large PHWR
… or nodes to create a spatial model in order to control the xenon induced oscillations that occur in PHWRs. However, being such a large scale system, a 72nd-order model, it makes controller design challenging. Therefore, a reduced order model is much more manageable. A convenient method of model …