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 328 for “"accelerometers"”.
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Dielectric sensing of silicon accelerometers
Microaccelerometers have established themselves as a vital piece of the global microelectromechanical systems (MEMS) market with applications spanning automotive, industrial, military, biomedical, and consumer electronics sectors. They remain one of the top-selling silicon sensors, with $1.6 …
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Realistic Motion Estimation Using Accelerometers
A challenging goal for both the game industry and the research community of computer graphics is the generation of 3D virtual avatars that automatically perform realistic human motions with high speed at low monetary cost. So far, full body motion estimation of human complexity remains an important …
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Cattle behavioral responses following castration and dehorning measured by accelerometers.
… studies were conducted using three dimensional accelerometers to measure behavioral differences in cattle following dehorning and castration. The first study evaluated the potential of different analgesics to mitigate pain following castration and dehorning compared to negative controls as …
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Biomechanical Perspectives in Flamenco Dance: Use of T Triaxial Accelerometers
El análisis biomecánico nos permite comprender la mecánica del movimiento de los bailaores/as de flamenco y con ello mejorar la técnica de baile, prevenir lesiones o dolores, evaluar los niveles de condición física, supervisar la carga de trabajo y elaborar planes científicos de práctica y …
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Method for the acquisition of arm movement data using accelerometers
… of this project is to develop a method for using accelerometers to monitor and quantify the amount of motion in the arm, for the application of monitoring limb use in stroke patients outside of therapy sessions. Two analysis methods were designed. The first was based on the kinematics of the arm. …
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Analysis/development of a crash sensing algorithm using multiple accelerometers
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1997.
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Energy-based Footstep Localization using Floor Vibration Measurements from Accelerometers
… using a network of vibration sensors (accelerometers), distributed at various locations in the waveguide, measuring (and detecting the arrival of) the impact-generated seismic wave. In particular, the last part of this document focuses on the problem of localizing footsteps using …
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A wearable blood pressure sensor using oscillometric photoplethysmography and micro accelerometers
Monitoring arterial blood pressure (ABP) with a sensor virtually imperceptible to the wearer, for continuous periods of weeks, months, or years, could prove revolutionary in the diagnosis and treatment of chronic hypertension and heart failure, as well as a monitoring tool for convalescing …
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A new way of using accelerometers in Australian rules football: assessing external loads
This thesis aimed to assess an accelerometer system (Player load) for measuring the external load of Australian football. Study one established the reliability of a triaxial accelerometer (MinimaxX 2.5) in a laboratory and sports-specific field setting... Study two assessed concurrent validity by …
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A re-entry control system using delta-modulated accelerometers and a DDA-computer
Thesis: M.S., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 1964
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The Use of Trunk-Mounted Accelerometers for Neurmuscular Testing in Collegiate Women's Soccer
… to commercially available trunk-mounted accelerometers. The current study created a gait program to analyze and compile the gait data. Following completion of the gait program, the IMU (STATSports APEX) was investigated for validity against ankle accelerometers. Once the validity was …
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Motion artifact reduction for wearable photoplethysmogram sensors using micro accelerometers and laguerre series adaptive filters
The photoplethysmogram (PPG) is an extremely useful wearable sensing medical diagnostic tool. However, the PPG signal becomes highly corrupted when the wearer is in motion, rendering the measured signal useless. This thesis develops an adaptive motion artifact reduction scheme to recover the …
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EXPLORING STATISTICAL CLASSIFICATION, GIS ANALYSIS AND MAPPING OF HERBIVORE BEHAVIOURS USING ACCELEROMETERS AND HIGH ACCURACY GPS
Electronic sensors equipped with accelerometers have the potential to remotely monitor and record herbivore behaviours. In the UK, sheep are a significant consumer in both managed pasture and upland ecosystems. The ability to automatically collect behavioural data could help inform research into …
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Pedometers Accelerometers and Observational Methods: A Comparison of Measurements of Physical Activity in Fourth-Grade Students.
… the different measurement types (pedometers, accelerometers, and the observational method) used to assess physical activity, to indicate which measurement types were most feasible in the elementary school setting. Schools are ideal locations for assessing levels of physical activity, as 95% of …
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Feasibility of Assessing an Infant's General Movements Using Wireless Accelerometers for Early Diagnosis of Neurological Dysfunction
… micro-electrical-mechanical systems (MEMS) accelerometers attached to the wrist and ankles of an infant is a feasible way of collecting and characterizing the motion patterns that infants display during GMs [3]. The work presented in this thesis is directed towards improving the past …
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Reconstructing the blood pressure waveform using a wearable photoplethysmograph sensor and hydrostatic pressure variations measured by accelerometers
An important part of a routine clinical examination is the assessment of the arterial blood pressure waveform. The variations in shape of the waveform indicate the presence of disease. In this work, a method is developed for the reconstruction of arterial blood pressure waveform using the signals …
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Visually grounded virtual accelerometers : a longitudinal video investigation of dyadic bodily dynamics around the time of word acquisition
… an approach called Visually Grounded Virtual Accelerometers (VGVA), to aid with ecologically-valid video analysis investigations, involving humans during dyadic interactions. Utilizing the Human Speechome (HSP) [1] video corpus database, we examine a dyadic interaction paradigm taken from the …
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Using Accelerometers to Quantify Infant General Movements as a Tool for Assessing Motility to Assist in Making a Diagnosis of Cerebral Palsy
… movements (GMs) using micro-electromechanical accelerometers, while discussing future improvements for this technology and possible benefits to present methods of diagnosing cerebral palsy. For decades, GMs have interested neurologists because characteristics can indicate neurological …
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