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 11 of 11 for “"Smart Structure"”.
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Multiplexing of interferometric fiber optic sensors for smart structure applications using spread spectrum techniques
The developing field of smart structures and skins provides an application to which fiber optic sensors bring unique capabilities and benefits. The primary cost in a network of fiber sensors is in the sources, receivers and associated hardware and can be prohibitive for a large number of sensors. …
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MR dampers in smart structures with nonlinear non-affine dynamics improvising intelligent control
… long-span bridges, deep-sea offshore structures or suspension systems demands effective tools for control and health monitoring. These infrastructure systems are usually integrated with actuation, sensing, computation resources and information networks, taking advantage of the synergy …
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Towards Scalable Parallel Simulation of the Structural Mechanics of Piezoelectric-Controlled Beams
… forces are applied to a piezoelectric-controlled smart structure. The parallel simulation, whose domain decomposition relies on the finite element representation of the structure, is created with an emphasis on scalability of both memory requirements and run time. We take into consideration …
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The split-cavity cross-coupled extrinsic fiber interferometer
… sensor (EFPI) is a very good candidate for smart structure applications. In this thesis, a new configuration of the extrinsic Fabry-Perot interferometer is developed and demonstrated. This new configuration, based on four-beam interference, utilizes two EFPI sensor heads on a single …
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Bragg grating sensor interrogation using in-line, dual-mode fiber demodulators
… will see increasing deployment as sensors in smart structure applications due to their minimal insertion loss and small profile. Bragg grating sensors provide narrowband reflections from a periodic index discontinuity. Strain and temperature changes occurring on the grating induce a shift in …
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Distributed-effect modal domain optical fiber sensors for flexible structure control
… fiber sensors are particularly attractive for smart structure and materials applications because they have low mass, are flexible, and can be easily embedded in a variety of materials. Distributed-effect sensors can be fabricated with spatially varying sensitivity to the distributed measurand …
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Vibration Event Detection and Classification in an Instrumented Building
Accelerometers deployed within smart structures produce a wealth of vibration data that can be analyzed to infer information about the types of acceleration events that are occurring within the structure. In the case of monitored smart buildings, some of these acceleration events are linked to …
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Multicomputer networks for smart structures
A crucial element of a smart structure is the computer system that processes data collected by sensors and determines an appropriate response. Multicomputers possess many capabilities that are required in computer systems for smart structures. This research examines the implementation and use of …
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Design of an Analog Adaptive Piezoelectric Sensoriactuator
… filter to the assumed dynamics of the piezostructure using an adaptive first-order high-pass filter. Theoretical and experimental results are provided along with a discussion of the difficulties encountered in trying to achieve perfect compensation of the feedthrough capacitive charge on a …
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Intrinsic Fabry-Perot Interferometric Fiber Sensor Based on Ultra-Short Bragg Gratings for Quasi-Distributed Strain and Temperature Measurements
The health monitoring of smart structures in civil engineering is becoming more and more important as in-situ structural monitoring would greatly reduce structure life-cycle costs and improve reliability. The distributed strain and temperature sensing is highly desired in large structures where …
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Development of next generation multifunctional composite structures for CubeSats, pico- and nanosatellites
L'abstract è presente nell'allegato / the abstract is in the attachment