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Development of a system for measuring the motor skills of small animals
Ryšavá, Michaela ; Götthans, Jakub (referee) ; Frýza, Tomáš (advisor)
The main objective of the project was to explore methods of motion measuring using sensors, select a suitable method, create a system and a application for measuring the speed of small animals. It is a dedicated project to measure a research in coperation with Masaryk university, which aimed to explore the the mobility of lizards living in the Czech Republic. In particular, commercial systems provide a solution by analyzing camera data. For the desired speed measurement of various shapes, the implementation of image processing is cost-ineffective and more complicated than using electronic sensor solutions. The most appropriate solution an infrared optical gate appears, due to constant results accuracy when changing the colors and sizes of measured individuals, small size and relatively easy implementation. Furthermore, a straight track and an electronic system using the selected optical gate concept has been constructed and implemented software for control and evaluating the entire measurement.
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Material printing for the preparation of sensor devices
Krnáčová, Alica ; Vošický, Libor (referee) ; Vala, Martin (advisor)
This thesis studies the relation between printing parameters, properties, and function of capacitive touch sensor. For this purpose, model prototypes of touch sensors made by screen printing were developed and subsequently characterized. Characterization was aimed at surface morphology, structure, and electrical properties. It was discovered that printing parameters in broad range have no significant impact on thickness, roughness, or capacitive behavior of prepared sensors. Nevertheless, higher printing speed produces more homogenous layer with lower porosity, which results in lower sheet resistance, hence better conductivity. In the same way, higher curing temperature causes lowering of sheet resistance by better evaporating the organic components of printing paste. Independent from printing parameters, all samples showed good response to human touch in form of small change of capacity. Using the capacitive sensor as an element in LC circuit, resonance sensor was prepared, which response to touch was under the same conditions 10x higher than the response of capacity itself. This could prove advantageous in large area applications, where the conductivity decreases in farther places due to long lines. Results of experimental work prove the reliability and suitability of screen printing as a method for printed electronics manufacturing.
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Development of a system for measuring the motor skills of small animals
Ryšavá, Michaela ; Götthans, Jakub (referee) ; Frýza, Tomáš (advisor)
The main objective of the project was to explore methods of motion measuring using sensors, select a suitable method, create a system and a application for measuring the speed of small animals. It is a dedicated project to measure a research in coperation with Masaryk university, which aimed to explore the the mobility of lizards living in the Czech Republic. In particular, commercial systems provide a solution by analyzing camera data. For the desired speed measurement of various shapes, the implementation of image processing is cost-ineffective and more complicated than using electronic sensor solutions. The most appropriate solution an infrared optical gate appears, due to constant results accuracy when changing the colors and sizes of measured individuals, small size and relatively easy implementation. Furthermore, a straight track and an electronic system using the selected optical gate concept has been constructed and implemented software for control and evaluating the entire measurement.
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Material printing for the preparation of sensor devices
Krnáčová, Alica ; Vošický, Libor (referee) ; Vala, Martin (advisor)
This thesis studies the relation between printing parameters, properties, and function of capacitive touch sensor. For this purpose, model prototypes of touch sensors made by screen printing were developed and subsequently characterized. Characterization was aimed at surface morphology, structure, and electrical properties. It was discovered that printing parameters in broad range have no significant impact on thickness, roughness, or capacitive behavior of prepared sensors. Nevertheless, higher printing speed produces more homogenous layer with lower porosity, which results in lower sheet resistance, hence better conductivity. In the same way, higher curing temperature causes lowering of sheet resistance by better evaporating the organic components of printing paste. Independent from printing parameters, all samples showed good response to human touch in form of small change of capacity. Using the capacitive sensor as an element in LC circuit, resonance sensor was prepared, which response to touch was under the same conditions 10x higher than the response of capacity itself. This could prove advantageous in large area applications, where the conductivity decreases in farther places due to long lines. Results of experimental work prove the reliability and suitability of screen printing as a method for printed electronics manufacturing.
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