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 502 for “"miniature"”.
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Miniature HCCI Engine Compressor
… will be an enabler for human assist devices and miniature robotics. A prototype miniature free-piston engine compressor runs for up to 30 s. New pistons and cylinder liners with coatings did not improve reliability when implemented in the engine. The engine stalled because pressure could not be …
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“AMERICANS ALL?” – MESSAGES IN MINIATURE
… of this visual aid program was the twelve-inch miniature figure dressed in clothing to reflect periods in US history or countries or cultures throughout the world. Museum and Indiana school educators used the MEP figures, as part of a broader intercultural learning agenda, to demonstrate or …
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Miniature automated flexible manufacturing system
… describes the design and construction of a miniature automated flexible manufacturing system. The system developed is comprised of a hierarchy of computer's driving a robot and a number of typical manufacturing machines. An interrupt driven, multitasking, software kernel was written to …
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Cooperative Control of Miniature Air Vehicles
Cooperative control for miniature air vehicles (MAVs) is currently a highly researched topic. There are many application for which MAVs are well suited, including fire monitoring, surveillance and reconaissance, and search and rescue missions. All of these applications can be carried out more …
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Autonomous aerobatic maneuvering of miniature helicopters
… dynamic model which adequately describes a miniature helicopter in a wide range of flight conditions, including aerobatics. The control laws consist of steady-state trim trajectory controllers, used prior to, and upon exit from the maneuvers; and a maneuver execution logic inspired by human …
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Improved State Estimation for Miniature Air Vehicles
… scheme for the class of UAV's know as Miniature Air Vehicles (MAV's). The first stage estimates pitch and roll, the second stage estimates heading, and the third stage produces a position estimate and an estimate of wind speed and direction. All three stages make use of the extended …
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The efficient propagation method of miniature roses
… and tissue culture, were used to produce miniature roses. Subsequently, the efficiency of propagation and the vigor and quality of potted miniature roses were compared. Our studies revealed the following: (1) Micropropagation is superior to conventional propagation methods for miniature …
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A single ion inside a miniature cavity
… ion is overlapped in-situ with the field of a miniature Fabry-Perot cavity which is mounted on a 3D-translation stage. The key elements of the setup are the cavity mirrors which are microfabricated onto the front facets of optical fibres. The small size of these mirrors are ideal for …
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Design of silent, miniature, high torque actuators
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.
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A miniature, implantable wireless neural stimulation system
… controllable through a computer interface, and a miniature, implantable wireless receiver and stimulator. The implant is tailored for use in zebra finches - small birds weighing just 12-15g - as part of ongoing research into the neural mechanisms of sequence generation and learning. The implant, …
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Containing Meaning: Miniature Pottery on Bronze Age Crete
… to be ritual votives or toys for children, miniature ceramic vessels in the Bronze Age Aegean have been afforded little thorough study. Their presence at peak sanctuaries, sacred caves, and shrines on Crete has led to their uncritical association with ritual activity, even outside of sacred …
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Neutron spectra measurements with miniature NE-123 spectrometers
Digitized by Kansas Correctional Industries
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A Study of miniature methods of terahertz spectroscopy
… With progress in materials science and miniature circuit manufacturing techniques, we may fabricate micro-meter scale devices to generate and detect terahertz radiation. However, the complete spectroscope apparatus remains large due to the use of components such as lenses and mirrors …
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MINIATURE MASS SPECTROMETER SYSTEM WITH A SAMPLING PROBE
This thesis focuses on the development of miniature mass spectrometry systems and the sampling probes. Mass spectrometers are usually installed and used in the analytical laboratory. It requires complex sample preparation before the analysis. Use of miniature mass spectrometer enables the chemical …
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Miniature Thermoelectric Coolers for On-Chip Hot Spots
Following Moore's Law, semiconductor transistor density has doubled roughly every 18 months to alleviate increasing IC performance demands. Growing microprocessor complexity and performance, coupled with the functional integration of logic and memory components in chip architecture, have led to …
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Adaptive Quaternion Control for a Miniature Tailsitter UAV
The miniature tailsitter is a unique aircraft with inherent advantages over typical unmanned aerial vehicles. With the capabilities of both hover and level flight, these small, portable systems can produce efficient maneuvers for enhanced surveillance and autonomy with little threat to surroundings …
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Peter Oliver and the Miniature in Stuart England
… underpinned by a catalogue raisonné of Oliver’s miniatures and drawings (Appendix I). This thesis starts with a defence of the biographical approach to art history writing, highlighting new interventions within the field which emphasise the importance of situating an artist within their social …
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Design of miniature floating platform for marginal fields
… thesis presents the design of a novel type of miniature floating offshore platforms with a heave plate attached at the keel, suitable for developing deep-water marginal fields. This design features a small displacement, easy fabrication, reduced cost and a favourable motion performance in …
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Studies in equipotential prospecting with miniature ore bodies
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mining Engineering, 1931.
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Miniature bioanalytical assays utilizing mechanical actuation of microspheres
An estimated 70% of medical decisions rely on diagnostic results, yet half of the global population lacks access to diagnostic testing. Geography contributes to this gap, with decreased access found in decentralized settings, which can lack the physical and labor infrastructure necessary for gold …
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