Institut für Informatik
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Institute
In this work, some network protocols with Wireshark Protokollanalyser should be observed and described the deal with them. Wireshark is an offshoot of "Ethereal", one of the most popular protocol analyzer. Wireshark analysis network traffic, draws on it and make it clear . For the simulation of the network is used VNUML. Since VNUML can only be used under Linux, andLinux is running as a virtual machine in between to work in Windows to be able to.
The present thesis deals with the realization of a stepper motor driver on an 8-bit microcontroller by the company Atmel. The focus is on the devel- opment of a current control, which allows microstepping in addition to the basic modes of operation like full- and halfstep. For this purpose, a PI con- troller is derived using physical and control engineering principles, which is implemented on the microcontroller. In this context, essential knowledge for the practical implementation will be discussed. In addition, the development of the hardware is documented, which is of great significance for the current measurement.