Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.01 vteřin. 
Modeling and simulation of the electric motor control
Kečkéš, Adam ; Pohl, Lukáš (oponent) ; Bartík, Ondřej (vedoucí práce)
The aim of this bachelor's thesis is to study the issues of modeling three-phase electric motors and subsequently to create a suitable motor model in the d,q coordinates. The thesis outlines the issues related to controlling three-phase motors, based on which the Six-step and Vector control algorithms are implemented and analyzed. A simulation demonstrating closed-loop control with a suitable algorithm is created for the prepared motor model in the d,q coordinates. Subsequently, a suitable state feedback controller is implemented. The final part of the thesis consists of analyzing nonlinearities such as friction and dead zone.
Propulsion System for Electric Scooter
Doležal, Lukáš
The paper is focused on a design of optimal propulsion system for folding portable scooter. The BLDC motor is used as a propulsion. The paper deals with the design of electronics for sensor control. Two control methods are compared: six-step commutation and vector control. Attention is given to efficiency of both methods and consecutive selection of the best of the two.

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