National Repository of Grey Literature 8 records found  Search took 0.01 seconds. 
Intelligent system for remote data collection with PLC
Benešl, Lukáš ; Sláčik, Ján (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis deals with PowerLine Communication (PLC), analyzes its advantages and disadvantages of this technology. Shows the frequency division according to the frequency range in which they work. The work includes a methodology of PLC communications testing according to Request For Comments (RFC) 1242 and RFC 2544 standards. Tests of the individual modems were measured in the household on a real network. All modems measured the same topology, and the results were appropriately processed in the form of well-arranged tables and charts. In conclusion, the individual conclusions from the measurements are always discussed. For the measurement of narrowband PLCs with multiple carriers on PRIME and G3 standards, the SAM4CP16C-EK development kit from Atmel was used. Narrowband modems, with single carrier, are represented by the PLC MT49R model manufactured by ModemTec. For broadband modems, the HomePlug AV2 standard was selected in comparison with HomePlug AV. Within the HomePlug AV2, the I2SE PLC Stamp 1200 micro EVK and Linksys PLEK500 development kit were used. For the lower standard of HomePlug AV, PLC was used by COMFAST.
Power-line data communication
Šádek, Michal ; Mlýnek, Petr (referee) ; Mišurec, Jiří (advisor)
This master's thesis describes a principle of the systems for data communication over powerline. The frequency we can divide to narrowband and broadband. Various modulatory techniques with their usage and access method technology according to norms are mentioned. Engineering constraints as are frequency subband and sources disturbance are mentioned. A conception laboratory net is designed, where are effected trial measurement in data communications for systems ModemTec, Homeplug AV a DS2. This demonstration of communication contains display communications spectrum of choice systems and their matching. To comparison is used synthetic created nets LISN (Line Impedance Stabilizing Network) in narrowband transmissions. Long - term metering of systems ModemTec is is effected in laboratory net VUT and in the working condition in Swiss extension companies Daetwyler Rubber where are produced robust rubbery production. System DS2 is measured in home network, where are supposes low disturbance and in industrial environment company Daetwyler Rubber. On the basis report information of phase quality recorder a powerline and measured rate of communication, it is evaluate an influence disturbance on a data transmission and response time. At the close are mentioned principles of usage this communication.
Smart Grid network with PLC for data acquisition
Skrášek, Tomáš ; Mišurec, Jiří (referee) ; Mlýnek, Petr (advisor)
The bachelor’s thesis deals with the design of Smart Grid and selection of communication media. It also describes the characteristics of PLC modems and radio modems. Practical part shows the use of narrowband modems in an environment with real interference and also communication with radio modems.
SW for configuration of PLC modems
Tichý, Vojtěch ; Benešl, Tomáš (referee) ; Fiedler, Petr (advisor)
The aim of this bachelor thesis is to design an application for easy configuration of modems, from ModemTec, communicating over power lines. The bachelor's thesis first deals with a brief explanation of the communication over the power line, which will give the reader a general idea of what the application will be used for. Furthermore, to understand the meaning of the individual adjustable parameters of the modem, the serial port is explained, through which the modem will communicate with the parent device that collects data, but also with the computer on which the application will run and with which the modem will be configured. Then, readers are introduced to the design of the user interface and architecture of the application, which includes the basic design principles which the application implementation was based on. The following is a description of the application implementation and the results of ModemTec modem configuration testing. Finally, the achieved results and possibilities for future modification are summarized.
SW for configuration of PLC modems
Tichý, Vojtěch ; Benešl, Tomáš (referee) ; Fiedler, Petr (advisor)
The aim of this bachelor thesis is to design an application for easy configuration of modems, from ModemTec, communicating over power lines. The bachelor's thesis first deals with a brief explanation of the communication over the power line, which will give the reader a general idea of what the application will be used for. Furthermore, to understand the meaning of the individual adjustable parameters of the modem, the serial port is explained, through which the modem will communicate with the parent device that collects data, but also with the computer on which the application will run and with which the modem will be configured. Then, readers are introduced to the design of the user interface and architecture of the application, which includes the basic design principles which the application implementation was based on. The following is a description of the application implementation and the results of ModemTec modem configuration testing. Finally, the achieved results and possibilities for future modification are summarized.
Intelligent system for remote data collection with PLC
Benešl, Lukáš ; Sláčik, Ján (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis deals with PowerLine Communication (PLC), analyzes its advantages and disadvantages of this technology. Shows the frequency division according to the frequency range in which they work. The work includes a methodology of PLC communications testing according to Request For Comments (RFC) 1242 and RFC 2544 standards. Tests of the individual modems were measured in the household on a real network. All modems measured the same topology, and the results were appropriately processed in the form of well-arranged tables and charts. In conclusion, the individual conclusions from the measurements are always discussed. For the measurement of narrowband PLCs with multiple carriers on PRIME and G3 standards, the SAM4CP16C-EK development kit from Atmel was used. Narrowband modems, with single carrier, are represented by the PLC MT49R model manufactured by ModemTec. For broadband modems, the HomePlug AV2 standard was selected in comparison with HomePlug AV. Within the HomePlug AV2, the I2SE PLC Stamp 1200 micro EVK and Linksys PLEK500 development kit were used. For the lower standard of HomePlug AV, PLC was used by COMFAST.
Smart Grid network with PLC for data acquisition
Skrášek, Tomáš ; Mišurec, Jiří (referee) ; Mlýnek, Petr (advisor)
The bachelor’s thesis deals with the design of Smart Grid and selection of communication media. It also describes the characteristics of PLC modems and radio modems. Practical part shows the use of narrowband modems in an environment with real interference and also communication with radio modems.
Power-line data communication
Šádek, Michal ; Mlýnek, Petr (referee) ; Mišurec, Jiří (advisor)
This master's thesis describes a principle of the systems for data communication over powerline. The frequency we can divide to narrowband and broadband. Various modulatory techniques with their usage and access method technology according to norms are mentioned. Engineering constraints as are frequency subband and sources disturbance are mentioned. A conception laboratory net is designed, where are effected trial measurement in data communications for systems ModemTec, Homeplug AV a DS2. This demonstration of communication contains display communications spectrum of choice systems and their matching. To comparison is used synthetic created nets LISN (Line Impedance Stabilizing Network) in narrowband transmissions. Long - term metering of systems ModemTec is is effected in laboratory net VUT and in the working condition in Swiss extension companies Daetwyler Rubber where are produced robust rubbery production. System DS2 is measured in home network, where are supposes low disturbance and in industrial environment company Daetwyler Rubber. On the basis report information of phase quality recorder a powerline and measured rate of communication, it is evaluate an influence disturbance on a data transmission and response time. At the close are mentioned principles of usage this communication.

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