Browsing MIT Theses by Title
Now showing items 28797-28816 of 61728
-
In-home Gait Health Monitoring using Machine Learning and Ambient Sensing
(Massachusetts Institute of Technology, 2023-02)Gait health assessments are commonly used for clinical evaluations of neurocognitive diseases and general well-being. Gait parameters such as step time variability and ground reaction forces are essential in distinguishing ... -
In-home passive monitoring for medical applications
(Massachusetts Institute of Technology, 2019)Recent years have witnessed a surge of in-home monitoring and sensing systems. They promise to change healthcare as we know it by continuously monitoring patients at home. Yet, despite all of the interest and effort that ... -
In-house R&D versus external technology acquisitions : small technology-based firms in the U.S. and Japan
(Massachusetts Institute of Technology, 1992) -
An in-pile loop for corrosion transport studies in a PWR
(Massachusetts Institute of Technology, 1985) -
In-pile loop studies of zinc addition to reduce corrosion and activity deposition in PWRS
(Massachusetts Institute of Technology, 1995) -
In-process measurement of micro-contact printing
(Massachusetts Institute of Technology, 2016)In micro contact printing, a polymer stamp with sub micron features is use to pattern a substrate. Micro contact printing has many applications including micro machined circuits and miniaturized biological test kits. Success ... -
In-process strain control of stretched formed sheet metal parts
(Massachusetts Institute of Technology, 1999) -
An in-situ accelerator-based diagnostic for plasma-material interactions science in magnetic fusion devices
(Massachusetts Institute of Technology, 2014)Plasma-material interactions (PMI) in magnetic fusion devices such as fuel retention, material erosion and redeposition, and material mixing present significant scientific and engineering challenges, particularly for the ... -
In-situ and ex-situ observations of lithium de-intercalation from LiCoO₂ : atomic force microscopy and transmission electron microscopy studies
(Massachusetts Institute of Technology, 2005)Lithium cobalt dioxide is the most commonly used material for positive electrodes in lithium rechargeable batteries. During lithium de-intercalation from this material, ... undergoes a number of phase transitions, which ... -
In-situ backplane inspection of fiber optic ferrules
(Massachusetts Institute of Technology, 2006)The next generation of supercomputers, routers, and switches are envisioned to have hundreds and thousands of optical interconnects among components. An optical interconnect attains a bandwidth-distance product as high as ... -
In-situ Characterization of Sea State with Improved Navigation on an Autonomous Underwater Glider
(Massachusetts Institute of Technology, 2022-09)This thesis presents an Autonomous Underwater Glider (AUG) architecture with improved onboard navigation and acoustics-based sensing intended to enable basin-scale unattended surveys of our Earth's most remote oceans. ... -
In-situ deposition of high-k dielectrics on III-V compound semiconductor in MOCVD system
(Massachusetts Institute of Technology, 2010)In situ deposition of high-k materials to passivate the GaAs in metal organic chemical vapor deposition (MOCVD) system was well demonstrated. Both atomic layer deposition (ALD) and chemical vapor deposition (CVD) methods ... -
In-situ depth monitoring for a deep reactive ion etcher using a white light interferometer with active vibration cancellation
(Massachusetts Institute of Technology, 2019)Standard process development for micro and nanofabrication etching technologies relies on open-loop trial and error testing of recipes to achieve optimal etch depths and uniformities. This strategy is inefficient for ... -
In-situ Fourier transform infrared spectroscopy of chemistry and growth in chemical vapor deposition
(Massachusetts Institute of Technology, 1995) -
An in-situ interdiffusion method for harvesting energy from an aluminum-water reaction
(Massachusetts Institute of Technology, 2012)Autonomous underwater vehicles (AUVs) are indispensable for countless underwater tasks but are currently limited in their range and endurance by the energy density of their battery packs. Aluminum is an ideal energy source ... -
In-situ investigation of the oxidation kinetics of Fe-12Cr-2Si using time-resolved transient grating spectroscopy
(Massachusetts Institute of Technology, 2017)The design and validation of new alloys for engineering applications is limited by the speed at which materials may be tested. In particular, there exist few methods by which the thermal, mechanical, and structural properties ... -
In-situ measurement of electrodermal activity during occupational therapy
(Massachusetts Institute of Technology, 2010)Physiological arousal is an important part of occupational therapy for children with Sensory Processing Disorder (SPD) but therapists do not have a way to objectively measure how therapy affects arousal. We hypothesized ... -
The in-situ measurement of mechanical properties of multi-layer coatings
(Massachusetts Institute of Technology, 1990) -
In-situ permeability estimation : a comparison between acoustic and NMR logs
(Massachusetts Institute of Technology, 1999)The estimation of formation permeability from full waveform acoustic and nuclear magnetic resonance (NMR) logs in petroleum well logging has improved significantly in recent years. In this thesis, we review the methods of ... -
In-situ prediction on sensor networks using distributed multiple linear regression models
(Massachusetts Institute of Technology, 2010)Within sensor networks for environmental monitoring, a class of problems exists that requires in-situ control and modeling. In this thesis, we provide a solution to these problems, enabling model-driven computation where ...
