Theses and Dissertations
ROBUST TIME-VARYING FORMATION CONTROL WITH ADAPTIVE SUBMODULARITY
(Monterey, CA; Naval Postgraduate School, 2018-06)
An adaptive formation controller is developed to position nodes within a mobile Network Control System (NCS) composed of heterogeneous agents. Each node is represented with distinct capabilities and constraints with regard ...
FLUID-FILLED STRUCTURE WITH MULTIPLE COMPOSITE COMPARTMENTS SUBJECTED TO LOW-VELOCITY IMPACT
(Monterey, CA; Naval Postgraduate School, 2018-06)
The focus of this study was to investigate the dynamic response and the fluid-structure interaction (FSI) in a fluid-filled composite structure with multiple compartments subjected to a low-velocity impact. The compartments ...
UPGRADE TRANSONIC COMPRESSOR TEST RIG DATA ACQUISITION SYSTEM
(Monterey, CA; Naval Postgraduate School, 2018-06)
This thesis presents an upgraded data acquisition system (DAS) for the transonic compressor test rig (TCR). The legacy DAS acquired and processed pressure, temperature, and rotational speed data. The data were mass averaged, ...
DIVER-APPLIED UNDERWATER COMPOSITE PATCH REPAIR ON ALUMINUM HULLS
(Monterey, CA; Naval Postgraduate School, 2018-09)
This thesis investigates the feasibility of applying a composite repair patch in the underwater environment as an alternative repair on aluminum ship hulls over conventional welding and replacement repairs, which can be ...
UAV POSITION OPTIMIZATION FOR WIRELESS COMMUNICATIONS
(Monterey, CA; Naval Postgraduate School, 2018-06)
This thesis explores autonomously positioning unmanned aerial vehicles (UAV) as wireless nodes in optimal locations to form robust, reliable communication links between static or slow-moving nodes, on land or at sea, in a ...
INDUSTRIAL AUTOMATION OF SOLAR-POWERED HYDROGEN GENERATION PLANT
(Monterey, CA; Naval Postgraduate School, 2018-06)
This study combined and modified designs of solar-powered hydrogen generation and compression facilities in order to allow for continuous autonomous operation of a 100-percent renewable hydrogen system. The hydrogen ...
EFFECTS OF AIR INLET SWIRL ANGLE ON PERFORMANCE OF A TWO-STROKE DIESEL ENGINE
(Monterey, CA; Naval Postgraduate School, 2018-06)
Two-stroke diesel engines are a reliable, robust way to provide power in a multitude of naval applications, from electrical generators to construction equipment to marine propulsion. Improvement in the performance of such ...
COMPARISON STUDY OF LOW-LEVEL CONTROLLER TECHNIQUES FOR UNMANNED SURFACE VESSELS
(Monterey, CA; Naval Postgraduate School, 2018-06)
Classical linear feedback control techniques are often used for low-level control of the speed and heading of an unmanned surface vessel (USV). To improve performance, two additions to generic proportional-integral-derivative ...
WASTE HEAT RECOVERY CARBON DIOXIDE HEAT EXCHANGER FOR GAS TURBINE ENGINES
(Monterey, CA; Naval Postgraduate School, 2018-06)
The U.S. Navy is looking to conserve energy on shore and at sea. As a contribution to the ongoing effort to make turbine engines more efficient, this research presents the design and analysis of a helical coil waste heat ...
INTEGRITY-BASED TRUST VIOLATIONS WITHIN HUMAN-MACHINE TEAMING
(Monterey, CA; Naval Postgraduate School, 2018-06)
Successful human-machine teaming requires humans to trust machines. While many claim to welcome automation, there is also mistrust of machines, which may stem from more than competence concerns. Human-automation trust ...
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