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 25 for “"Integrated sensor"”.
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An integrated sensor system for early fall detection
Physical activity monitoring using wearable sensors give valuable information about patient's neuro activities. Fall among ages of 60 and older in US is a leading cause for injury-related health issues and present serious concern in the public health care sector. If the emergency treatments are not …
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Characterizing carbon-nanotube devices for an integrated sensor system
… the metal and CNT. Finally, a prototype CMOS-CNT sensor system is demonstrated. This hybrid system demonstrates the need for variation-toleration circuit interfaces and highlights some outstanding issues regarding integration for full scale CNT circuit applications.
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Development and Evaluation of Integrated Sensor System for Observing Particulate Matter Concentration
… presents the development and evaluation of an integrated sensor system for observing particulate matter concentration in the environment. The study was motivated by the need for a practical and flexible monitoring platform capable of supporting localized air-quality observation in settings …
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User-centered design of an integrated sensor data interface for remote care coordination
… the connection of health professionals to client sensor data requires the development of new tools for combining and viewing data. Though Internet-of-Things technologies have become ubiquitous, and opportunities abound for their use by health professionals to understand client or patient …
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A shoe-integrated sensor system for wireless gait analysis and real-time therapeutic feedback
… relevant to gait analysis. The extensive sensor suite includes three orthogonal accelerometers, and three orthogonal gyroscopes, four force sensors, two bi-directional bend sensors, two dynamic pressure sensors, as well as electric field height sensors. The "GaitShoe" was built to be worn …
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Test and evaluation of the micro-observer sensor system for use as a seismic surveillance device in an integrated sensor network
… of deploying unattended seismic ground sensors in an operational environment to provide persistent surveillance and early warning detection capabilities. The system employed was the commercially available MicroObserver Sensor System. A robust testing and evaluation plan was created to …
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Using an airborne hyperspectral and LiDAR integrated sensor approach to spectrally discriminate and map savanna bush encroaching species in the Greater Kruger National Park region
Bush encroachment is an environmental phenomenon which affects arid and semi-arid savanna rangelands across the world. Bush encroachment has numerous negative and positive impacts on these savanna ecosystems depending on the land use practices and associated rangeland management regimes.
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Enhancing Body-Mounted LiDAR SLAM using an IMU-based Pedestrian Dead Reckoning (PDR) Model
With the reduction in motion sensors' cost and power, Simultaneous Localization and Mapping (SLAM) has emerged as a core technology in several applications such as search-and-rescue, first-responders, and defence. Existing SLAM methods were designed mainly for robotic platforms that use wheel …
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Integration of electronic and optical techniques in the design and fabrication of pressure sensors
… fabrication methods, piezoresistive pressure sensors have become the more popular pressure transducers. They dominate pressure sensor commercialization due to their high performance, stability and repeatability. However, increasing demand for harsh environment sensing devices has made sensors …
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Modeling and characterization of nanoelectromechanical systems
… structures (MEMS) are used commercially in sensor applications and in recent years much research effort has been done to implement them in wireless communication. Electron beam lithography and other advancements in fabrication technology allowed to shrink the size of MEMS to nanomechanical …
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An investigation into the potential of advanced sensor technology to support the maintenance of pipeline distribution systems
… analysis and report of a pipeline using an integrated-sensor device offers many potential benefits. The use of an integrated-sensor device is expected to provide valuable pipeline management information. Specifically the ability to detect and locate mechanical damage at the incipient stage …
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Development and evaluation of a terrestrial animal-borne video system for ecological research
… data collection systems (AVEDs) are integrated sensor systems that combine video from the animal's perspective with data from other sensors (e.g., audio, location). By placing sensor data within the context of video, AVEDs provide a unique perspective not offered by other methods and …
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Fabrication of nanofluidic devices using electrochemical etching of sacrificial copper
… A method of creating nanofluidic systems with integrated sensor electrodes is presented with a detailed description of the fabrication process. Devices were built by creating nanometer scale copper channels on glass substrates and patterning gold cross channels above the copper. The metal …
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A microphysiological system for studying barrier health of live tissues in real time
… necessary oxygen gradients across the barrier; integrated sensor electrodes and supporting electronics for acquiring and calculating transepithelial electrical resistance (TEER); and a scalable system architecture to allow multiple chambers running in parallel for increased throughput. The …
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Intrinsic Fabry-Perot Interferometric Fiber Sensor Based on Ultra-Short Bragg Gratings for Quasi-Distributed Strain and Temperature Measurements
… this task using conventional electrical strain sensors. Fiber optic sensors provide an excellent opportunity to fulfill this need due to their capability to multiplex many sensors along a single fiber cable. Numerous research studies have been conducted in past decades to increase the number of …
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Decentralized mixing function control strategy for multi-robot informative persistent sensing applications
… it allows the robots to combine their global sensor estimates of the environment using a mixing function to opt for either: (1) minimum variance (probabilistic), (2) Voronoi approximation, or (3) Voronoi (geometric) sensing interpretations and resulting coverage strategies. As the robots …
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Chalcogenide glass materials for integrated infrared photonics
… We develop a fabrication process for waveguide-integrated detector designs and fabricate prototype structures that exhibit attenuation at telecom and mid-IR wavelengths. Such an integrated sensor design will enable the creation and deployment of low-cost remote sensor arrays with small …
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Towards electrochemical diagnostics of biochemical free radical species in aqueous microliter volumes
… small volumes electrochemically requires an integrated sensor with reference, counter-, and one or more working electrodes. Microfabrication allows production of planar gold sensor microelectrodes. A design that placed eight copies of the sensor on a single wafer maximized throughput and use …
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A system dynamics approach to user independence in high speed atomic force microscopy
… to access lateral motion with external sensors in order to perform a full system identification experiment, which places excessive demands on routine microscope operators. This work represents a new way to characterize the lateral scanner dynamics without addition of lateral sensors, and …
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Low-Cost, Close-Range Digital Photogrammetry for Coastal Cliff Deformation and Beach Monitoring
… Interval for executing a pole survey using the Integrated Sensor Orientation (ISO) from very cheap single frequency inbuilt GNSS. The new python algorithm for analysing the structural changes on the coastal cliff point cloud incorporates some existing libraries such as the Open3d, Numpy, and …
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