National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.02 seconds. 
Mobile robot control system
Jiruška, Jiří ; Kříž, Vlastimil (referee) ; Hynčica, Ondřej (advisor)
This thesis deals with wireless mobile robot control. The thesis is divided into two main parts. The first part deals with design and implementation of communication protocol based on IEEE 802.15.4 providing communication between robot and PC. The topic of the second part is mathematical description of DC motor and rpm controller design.
Control system for DC motors
Mikuláštík, Jiří ; Burian, František (referee) ; Kopečný, Lukáš (advisor)
This bachelor thesis deals with design of a control system for DC engines MCCRA12MP3N and MCCRA12MP. This system will be used to control a chassis and will allow smooth speed control of it. Serial interface will also be able to receive the desired and send out the current RPM values.
Design efective power speed controller for 3-phase motor
Uchytil, Filip ; Hanák, Pavel (referee) ; Lattenberg, Ivo (advisor)
This paper deals with the regulation of revolution of the asynchronous three phase engine with the frequency transformer. Firstly we will look into individual types of engines, the ways of regulation of the engines, the measuring of contemporary voltage and current at the engine and programming the ATMEGA64 microprocessor. The supervision is beeing handled by the PWM signal, which ensures low consumption of our circuit. The outputting part is comprised by the MOSFET transistors. The thesis devotes to communication of the ATMEGA64 processor via the USB port. The transmission ratio, voltage and even the contemporary current is displayed on the LCD monitor. The outcome of this thesis is the effective regulation of the asynchronous three phase engine, with the possibility of tracking all of the parameters mentioned above which are shown on the LCD display.

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