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.
Results
Showing 1 to 7 of 7 for “"robust control strategies"”.
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Towards adaptive and directable control of simulated creatures
… and unexpected disturbances. However, developing robust control strategies that result in natural motion of active creatures within physical simulation has proved to be a difficult problem. To address this issue, a new and versatile algorithm for the low-level control of animated characters has …
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Stacked-Switched Electrolytic Capacitor-less AC/DC Power Converters
… converters with enhanced functionality and robust control strategies. This dissertation presents novel single-phase AC/DC converter topologies and control systems designed to eliminate electrolytic capacitors while enabling efficient bidirectional power transfer and robust grid-forming …
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Performance Enhancement and Stability Robustness of Wing/Store Flutter Suppression System
… in their mission capabilities due to lack of robustness of the current passive wing/store flutter suppression system to both structured as well as unstructured uncertainties. The research program proposed here is to investigate the feasibility of using a piezoceramic wafer actuator for active …
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Advanced Assessment of Inverter-based Resources-Storage Technologies on Modern Electric Grids in terms of Power Profiling, Ancillary Services, and Transient Stability
… method is developed using modified droop control, enabling effective active and reactive power management and ancillary service delivery in both grid-connected and islanded microgrid modes. Collectively, this research advances the integration of renewable energy by proposing robust control …
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Active control of rotating stall in a transonic compressor stage with inlet distortion
… with inlet distortion using active feedback control. The experiments were conducted at the NASA Lewis Research Center on a single-stage transonic core compressor. An annular array of 12 jet-injectors located upstream of the rotor tip was used for forced response testing and to extend the …
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Control of a High-speed (<50,000 rpm) Interior Permanent Magnet Synchronous Motor
… This thesis investigates advanced field-oriented control (FOC) strategies to address these challenges, with a particular focus on improving efficiency and robustness in HS-IPMSM operation. A comprehensive review of existing control methods highlights the limitations of conventional maximum torque …
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Single-Phase Bi-directional Ćuk Inverter for Battery Applications
… the Cúk inverter is a high order system, several robust control strategies, such as sliding mode and current control have been proposed. These control methods require complex theory and present practical challenges to be reviewed. As such a new nested loop control strategy was proposed based on …