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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Tvorba softwarové podpory k zařízení pro absolutní kalibraci GNSS antén / Creation of software support to device for absolute GNSS antenna calibration

Galata, Marek January 2016 (has links)
The diploma thesis deals with creation of software support for the robotic device used for absolute GNSS antenna calibration, which is developed by Institute of Geodesy at Faculty of Civil Engineering, Brno University of Technology. In the beginning of this thesis, there is in general discussed issue of absolute GNSS antenna calibration. Then the text continues by description of calibration device itself together with summary of testing performed so far. Next sections are focused on its main content. There is mentioned testing calibration process, followed by all of every single steps, which leads the procedure towards gaining calibration parameters for removing errors arising due to instability of antenna´s phase center position.
2

Utveckling av Kalibreringsstation för Temperatursensorer för Biacore / Development of Calibration Station for Temperature Sensors for Biacore

Alishev, Andrey January 2022 (has links)
Cytiva i Umeå producerar medicinskteknologisk utrustning och ett av dessa system som produceras är Biacore. Dessa system används inom läkemedelsutveckling och forskning inom proteinanalys. De temperaturgivare som används i Biacore ska kalibreras noggrant då det är viktigt att det inte blir några mätfel. Målet med detta examensarbete är att utveckla nuvarande kalibreringsstationen för temperaturgivare eftersom den har blivit omodern. Fokuset ligger mest på att utveckla en ny mjukvara, dock potentiell utveckling av hårdvaran är också av intresse. Mjukvaran ska beräkna kalibreringsfaktorer för de temperaturgivare som kalibreras på ett automatiserat och effektivt sätt. Utveckling av hårdvaran kan göras genom att byta ut nuvarande referenstermometern till en ny och integrera den i kalibreringsstationen. Ett program har utvecklats med ett användargränssnitt där användaren väljer vilken typ av temperaturgivare som kalibreras och dess identifikationsnummer. Baserat på denna information hittar programmet alla relevanta filer med mätvärdena, beräknar kalibreringsfaktorer för varje temperaturgivare och sparar resultatet. Detta automatiserar beräkning och sparande av data samt effektiviserar kalibreringsprocessen. Utvecklingen av mjukvaran gjordes med kodspråket Python och biblioteket Tkinter. Hårdvaruutvecklingen har påbörjats men inte uppnåtts på grund av tidsbrist. / Cytiva in Umeå manufactures medical technological equipment. One of those systems that are produced is Biacore. Those systems are used in drug development and research in protein analysis.The temperature sensors that are used in Biacore systems must be accurately calibrated since it is of high importance to avoid errors in the measurements. The goal of this thesis is to improve current calibration station since it has gotten outdated. The focus is going to lie mostly on developing the software, although the potential development of the hardware is of interest as well. The software should be able to calculate the calibration factors for each of the temperature sensors that are calibrated in an automated and an effective way. The development of the hardware can be done by upgrading current reference thermometer to a new one and integrate it in the calibration station. A program has been developed with a user interface where the user choses what type of thetemperature sensor is to be calibrated and its identification number. Based on this information the program finds all the relevant files with the measured values, calculates calibration factors for each of the temperature sensors and saves the result. It automises calculation and saving of data as well as makes the calibrating process more effective. Development of the software was done by using Python programming language and Tkinter library. Development of the hardware has been started but was not achieved due to the lack of time.
3

Kalibrace hydraulického modelu vodovodní sítě / Calibration of hydraulic model of water supply network

Náplavová, Eva January 2020 (has links)
This diploma thesis deals with calibration of hydraulic simulation models, especially with methods used for calibration and parameters that are modified during calibration. The literature review in the field of mathematical modeling, basic principles applied in hydraulic modeling and the current approach to calibration and data collection is done in theoretical part. In the practical part of the thesis, a hydraulic model of the group water supply system Horní Dunajovice is built and subsequently calibrated. The calibration is first performed manually for the normal operational status and then using a calibration software created for this purpose for a load case with high velocity.
4

Kalibrace skleněných měřítek / Standard Glass Scales Calibration

Jelínek, Vít January 2015 (has links)
This thesis deals with a more work-efficient and time-efficient method of calibration of standard glass scales, with practical use in the Czech Metrology Institute Regional Inspectorate in Brno. The desired streamlining of calibration were achieved in the use of a 3D coordinate measuring machine Micro-Vu Excel 4520. In the service software InSpec, six measuring programs were designed in the use of a standard glass scale brand SIP. The measurement uncertainties of this calibration were presented and calculated. This thesis draws up a draft proposal of the calibration procedure and drafts a formalized document of the calibration.

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