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.
Results
Showing 1 to 20 of 24 for “"infrared sensor"”.
-
Integrated infrared sensor platform
Infrared spectrum, especially mid-infrared range (2.512tm) covers the absorption peaks of many important chemicals including carbon monoxide, methane and water vapor. By analyzing the absorption spectrum of achemical, one can measure the concentration of the chemicals as well as distinguish the …
-
Scalable 3D carbon nanotube structures for bolometric infrared sensor arrays
The infrared detector market has experienced steady growth over the last 10 years and is expected to reach hundreds of million dollars by 2025. The demand for more accurate, lower cost, and lower power consumption IR sensors is driven by emerging applications such as autonomous vehicles. Uncooled …
-
Experimental design for the evaluation of high-Tc superconductive thermal bridges in a sensor satellite
Infrared sensor satellites, which consist of cryogenic infrared sensor detectors, electrical instrumentation, and data acquisition systems, are used to monitor the conditions of the Earth's upper atmosphere in order to evaluate its present and future changes. Currently, the electrical …
-
Hydrogen terminated silicon surfaces: Development of sensors to detect metallic contaminants and stability studies under different environments
… silicon surfaces have been utilized to develop sensors for semiconductor and environmental applications. The interaction of these surfaces with different environments has also been studied in detail. The sensor assembly relevant to the semiconductor industry utilizes a silicon-based sensor to …
-
From Prototype to Production: Product Development of a Modular Automated Milk Sampling Device for Conventional Dairy Farms
… prototype. The automated sampler consists of an infrared sensor that monitors the flow in the milking pipeline, a custom sampling vial that stores the milk sample, and two custom pinch valves which control the flow of air and milk accordingly. The path to low volume production of the automated …
-
Sensor Fusion Algorithm for Airborne Autonomous Vehicle Collision Avoidance Applications
… these collisions. This can be done by utilizing sensors on the aircraft to monitor the sky for collision threats. However, several problems face a system which aims to use multiple sensors for target tracking. The data collected from sensors needs to be clustered, fused, and otherwise processed …
-
Multi-signal processing for voice recognition in noisy environments
… thesis was to investigate the utilization of an Infrared sensor for automatic lip reading to improve the recognition performance of VRS. The developed system is cheaper and faster than other automatic lip readers. The test results of fifty words and eleven digits indicated that the method has …
-
Non-contact Temperature Measurement of Stainless Steel in a TIG Welding Process
… measurements near the weld with the use of an infrared spot sensor. The data collected can then be used to validate a computer simulation that models the exact same process. An experimental setup was built, and preliminary temperature data were collected. It was determined that infrared …
-
Improvement In the Measurement and Control of Glass Melt Temperature of High Strength, Continuous Glass Fiber
… well that allowed access for a thermocouple or infrared sensor to read under glass temperature. Both sensor types were tested and the thermal well / thermocouple design was selected for a production trial. Differences in the temperature values were found between the standard method and the trial …
-
Development of machine learning based speaker recognition system
… hardware consists of several parts such as an infrared sensor that is used to sense the presence of users, a PIC microcontroller to communicate with the software and an LCD screen to display the passwords, etc. Based on the decision obtained from the software, BASS is also capable of opening …
-
Towards Automated Design of Machine Perception Systems
… a robot to pick up trash. The choice of robot sensors impacts which type of trash it can detect, e.g. perhaps an infrared sensor is needed to detect plastic bottles. In addition, animals are able to understand their environment from different viewpoints and under variable lighting, while …
-
Nanoporous glass-ceramics transparent in infrared range to be used as optical sensor-Mechanical and viscoelastic properties of the TAS (Te-As-Se) glass
… affect the optical transmission of these infrared transparent glass-ceramics. These materials can therefore be used for the design of optical elements and an ATR (Attenuated Total Reflections) plate with nanoporous surface was fabricated and tested as an optical infrared sensor. The porous …
-
Analysis of a space experimental design for high-Tc superconductive thermal bridges
Infrared sensor satellites are used to monitor the conditions in the earth's upper atmosphere. In these systems, the electronic links connecting the cryogenically cooled infrared detectors to the significantly warmer amplification electronics act as thermal bridges and, consequently, the mission …
-
STUDIO DEL RUOLO DELLA PROTEINA PRIONICA NELLA REGOLAZIONE DEL SONNO MEDIANTE L'UTILIZZO DI MODELLI MURINI TRANSGENICI
… Body movements were detected by means of an infrared sensor. Mice were individually housed in soundproof rooms, and maintained on a 12 hours light:dark cycle, at an ambient temperature between 23 and 24 °C. The study of the evolution of sleep patterns over time was conducted using animals of …
-
Employing multi-modal sensors for personalised smart home health monitoring.
… personalised smart home health monitoring using sensor data. In this thesis, we expand upon this system by identifying the limits of health monitoring using simple IoT sensors, and establishing deployable solutions for new rich sensing technologies. The FITsense system collects data from FitHomes …
-
Traffic estimation, sensing, and control in work zone environments
… zones. Smart work zone systems are composed of sensors, communication technologies, and data processing algorithms that are used to monitor and disseminate critical information such as congestion and severe slowdowns. Though a large number of smart work zone technologies have been deployed, many …
-
Impact of silicon nitride thickness on the infrared sensitivity of silicon nitride-aluminum microcantilevers
… silicon nitride - aluminum bimaterial cantilever infrared sensors. A model predicts cantilever behavior by considering heat transfer within and from the cantilever, cantilever optical properties, cantilever bending mechanics, and thermomechanical noise. Silicon nitride-aluminum bimaterial …
-
Modeling and engineering impact ionization in avalanche photodiodes for near and mid infrared applications
… there has been relatively little work on infrared APDs, although there are many applications in remote sensing, medical imaging, and environmental monitoring. In particular, there is no GaAs-based APD operating in Geiger mode beyond 2 microns. This dissertation provides theoretical …
-
Modelagem da evapotranspiração da cana-de-açúcar utilizando abordagens de sensoriamento remoto e machine learning
O uso de sensoriamento remoto combinando informações de estações meteorológicas tem sido estudado como uma alternativa a estimativa da demanda hídrica, porém algumas limitações ainda persistem, requerendo novas metodologias que possa superá-las. Desta forma, essa tese teve como objetivo geral …
Page 1 of 2