Browsing by Author "Parelo, Aleksander"
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Item Development of a virtual printer and print driver for Print in City(Tartu Ülikool, 2021) Parelo, Aleksander; Tamm, Urmas, juhendaja; Roos, Meelis, juhendaja; Tartu Ülikool. Loodus- ja täppisteaduste valdkond; Tartu Ülikool. Arvutiteaduse instituutWith the advancement of digital solutions, the need for printing is becoming less relevant every year. This also means that the need for personal printers is decreasing every year, and services like Print in City, which allow users to access public printers for a small fee, are replacing personal printers. Currently, these services still have a downside compared to regular printers – they require the user to use a webpage to upload their documents. This com-plicates the service and discourages the users from using it. This thesis details the development of a virtual printer and printer driver to solve this problem. The virtual printer is a web service that acts as a regular printer and makes the experience of using Print in City very similar to the experience of using a regular printer. A working prototype of the proposed solution is developed and presented.Item Development of ESTCube-2 side panels(Tartu Ülikool, 2018) Parelo, Aleksander; Ilbis, Erik, supervisor; Ehrpais, Hendrik, supervisor; Tartu Ülikool. Loodus- ja täppisteaduste valdkond; Tartu Ülikool. TehnoloogiainstituutThis thesis covers the design of ESTCube-2 nanosatellite sidepanels, the thesis focuses mainly on the design and testing of two side panel components: Sun sensors and magnetorquers. Rest of the side panel design is covered in less detail. The main goals of this work are to develop and test the magnetorquer electronics, the magnetic coils and to develop software for and test the Sun sensor. In this work an overview of ESTCube-2 and the side panels is given, then side panel requirements are set. Based on these requirements two modules for the side panels are developed and tested. The Sun sensors requirements are set, then a prototype sensor is presented that is based on these requirements. The software is developed, and the prototype sensor is tested in an optics laboratory to verify that they meet the requirements. Requirements are set for the coils and the coil driving electronics and designs are developed based on these requirements. The magnetorquers are tested to verify the designs.