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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

Data synchronization for operation and maintenance

Lindorf, Mikael January 2023 (has links)
In paper mills, the paper machine is followed by a winding machine which cuts paper to intended width and rolls onto cylinders to specified length. Central to this paper is the gathering and synchronizing of data from databases relevant to automation research for the winder. Part of data gathering was automated with Python and the data was analyzed to determine details about the data. Data was found to be stored in different databases and accessible through different interfaces with some variation in formatting of time strings and time zones between data sources. Other issues, likely stemming from different parts of the greater system being implemented at different times, provided by different companies utilizing different technologies. Suggestions toward streamlining of data gathering for ease of future automation and research were given with discussion of this work, the system, theory and future research.
2

Návrh pohonu laminovacího zařízení / Drive design for Foil Winding Machine

Koncer, Adam January 2014 (has links)
Master’s thesis deals with the realization of motion drives for the foil winding machine. Drives for this machine are supplied by company Siemens. Whole project is made in cooperation with that company. The reader gets a comprehensive overview of the product group SINAMICS that will be used for the realization of drives in this machine. Thesis describes the selection of individual drive components, their control and regulation. Measurement and evaluation of results foil winding machine is made in the last chapter of this thesis.

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