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Thermal box - educational model
Gregor, Tomáš ; Houfek, Martin (referee) ; Vlach, Radek (advisor)
This thesis describes the design and production of simple thermal system, which is used as education model for temperature regulation. This education model is called thermal box. Thermal box is controlled by integrated electronics, which is driven by computer I/O card MF 624 and program MATLAB Simulink.
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Predictive maintenance with wireless data transfer
Pernica, Michal ; Najman, Jan (referee) ; Dobossy, Barnabás (advisor)
This thesis deals with predictive maintenance and the use of NB-IoT network for its purpose. In the first part of the thesis, the wireless technologies for data transmission are presented, followed by a description of the different types of communication protocols, and lastly, the process of developing predictive maintenance is described. In the second part of the thesis, a server application for predictive maintenance purposes is presented, system control using a microcontroller, the NB-IoT module SIM700E is introduced along with its specifications, connection to the NB-IoT network and implementation of the MQTT protocol. Also, the server software composed of the MQTT broker, Node-Red, Influx DB and Grafana is described. The third section describes the application of predictive maintenance on two devices, namely a thermal chamber and a pneustand. The function of these systems is described, followed by the modifications applied. Afterwards, the fault conditions we want to detect are mentioned and then classifiers are trained to determine the condition. Finally, the control of the systems is redesigned so that it can be done using a microcontroller. Finally, experiments are performed while operating the device and verifying the functionality of predictive maintenance to identify the condition.
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Thermal box - educational model
Gregor, Tomáš ; Houfek, Martin (referee) ; Vlach, Radek (advisor)
This thesis describes the design and production of simple thermal system, which is used as education model for temperature regulation. This education model is called thermal box. Thermal box is controlled by integrated electronics, which is driven by computer I/O card MF 624 and program MATLAB Simulink.
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