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 16 of 16 for “"Self-calibrating"”.
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Self-calibrating mass flow sensor
… was conducted for increased accuracy and self-calibration for a mass flow sensing system on a combine. This was undertaken as part of the John Deere Technology Innovation Center (JDTIC)-sponsored research program “Self-calibrating mass-flow sensor”, in turn part of a John Deere Moline …
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Scalable self-calibrating display technology for seamless large-scale displays
… bright, seamless, high-resolution large-scale self-calibrating displays (seamless video walls). Such a large-scale display was constructed using the techniques described in this dissertation. Low-cost computation coupled with feedback is used to provide the precision necessary to create these …
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A 16-bit, 100kS/s self-calibrating cyclic analog-to-digital converter
Self-calibrating AID architectures minimize the sometimes expensive process of in-factory calibration, thus allowing manufacturers to reduce chip cost. This thesis presents an AID converter built using one such architecture, the reference-refreshing architecture. This converter shows under …
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Development of a Self-Calibrating MEMS Pressure Sensor Using a Liquid-to-Vapor Phase Change
… equipment has led to the development of a self-calibrating pressure sensor. Pressure sensor inaccuracies are often resolved with sensor calibration, which typically requires the use of laboratory equipment that can produce a known, standard pressure to actuate the sensor. The developed …
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Distortion-optimal parallel MRI with sparse sampling: from adaptive spatio-temporal acquisition to self-calibrating reconstruction
… blind PI problem, is in turn used to develop a self-calibrating algorithm, dubbed ACSIOM, for blind identification of the interpolation FB with limited calibration data. We also provide performance guarantees for the proposed algorithm and propose an improved iterative scheme to tackle scenarios …
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Modeling the Thermal Performance of an Intelligent MEMS Pressure Sensor with Self-Calibration Capabilities
… methods to ensure reliability is by regularly calibrating the sensor, checking its functionality and accuracy. By integrating a micro-actuator with a pressure sensor, the sensor can self-calibrate, eliminating the complexities and costs associated with traditional sensor calibration methods. …
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The acquisition of spatial data from archival photographs and their application to geomorphology
… The technique that was developed is based upon a self calibrating bundle adjustment and both the functional and stochastic models suitable for successful restitution of archival photographs were established. Five computer programs were developed and the algorithms associated with each are given. …
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A measurement of the relative decay rate of the charm quark into leptons
… to 1995. The analysis uses a double-tag and is self-calibrating, i.e. it makes minimum use of the Monte Carlo simulated information. Each event is divided into two hemispheres; hemispheres containing charm quarks are identified with a NEural Network anlaysis method. Lepton candidates are then …
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Signal processing techniques for optical fiber sensors using white light interferometry
… absolute sensing system. This compact system is self calibrating, has a 100 micro-strain Ole) strain and 2°C temperature resolution and is ideal for applications in environments where the parameter to be measured is static or quasi-static. High finesse Fabry-Perot cavities are employed to obtain …
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Advanced image reconstruction in parallel magnetic resonance imaging : constraints and solutions.
… 3) characterizing the error involved. First, a self-calibrating strategy is proposed which uses non-Cartesian trajectories to automatically determine coil sensitivities without the need of an external scan or modification of data acquisition, guaranteeing an accurate formulation of the encoding …
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The integration of visual and tactile sensing for the definition of regions within a robot workcell
… greater than 90 degrees. The tactile system is self calibrating and has a repeatability of 0.009 inches. A probe insertion error analysis was conducted on the system. The average probe insertion error for the system was determined to be 0.0337 inches. In addition, it was determined that probe …
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Nanocrystal-molecule energy transfer conjugates for chemical and biological sensing
… from the NC and the dye allows the sensor to be self-calibrating (Chapter III). The ratiometric nature of the NC-based sensor signifies potential for emission-based sensing in biological environments. Various NC surface modifications and coupling strategies using a physiologically relevant pH dye …
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Optimal Image-Aided Inertial Navigation
… The research is motivated by the requirement of calibrating off-the-shelf cameras and the fusion of imaging and inertial sensors in poor GNSS environments. The three major contributions of this dissertation are The development of a structureless camera auto-calibration and system calibration …
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Development of a Virtually Calibrated Projection Moire Interferometry Technique Capable of Inaccessible Surface Measurements
… variations and assembly processes. An automated, self-calibrating, whole-field projection measuring system would greatly increase inspection efficiency of large production parts and final assemblies. It is in these types of circumstances that the developed techniques would be of most use.</p>
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Resilient Navigation through Jamming Detection and Measurement Error Modeling
… (C/N0)-based jamming detectors that are optimal, self-calibrating, receiver-independent, and while adhering to a predefined false alert rate. This algorithm was tested using data from networks with hundreds of receivers, revealing patterns indicative of intentional interference, which provided an …
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Drought in Southern Africa: structure, characteristics and impacts
… anomaly index which is related to the self-calibrating Palmer Drought Severity Index. It is found that sensible heat flux is strongly correlated with potential evapotranspiration and may be a useful drought indicator. Seven droughts are identified using the drought index with most …