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The design survey of magnetorheological dampers
Tran, Adam ; Macháček, Ondřej (referee) ; Kubík, Michal (advisor)
Bachleor´s thesis deals with the damping systems such as magnetorheological dampers or magnetorheological valves. At beginning MR effect is described in MR devices. Next part deals with the designs, materials, characteristics of FEM models e.g. magnetic inductions, tested characteristics (F-v, time response), and used MR fluids in MR devices. In second part there are compared each MR device (MR damper or MR valve) in listed characteristics from previous part and describes issues, which are not in publications.
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Automatic tuning of the DC motor controller
Tran, Adam ; Brablc, Martin (referee) ; Najman, Jan (advisor)
Diploma thesis deals with designing of algorithmus for automatic controller tunning for DC motors. Automatic tuning function consist of system identification and controller parametrization. Cascade control loop was chosen for its robustness and proper DC motor control. For electric system identification of DC motor was used recursive method of instrumental variables, because of noisy signal from current transducer. In the case of identification mechanical system, there were used least sqares method. According to identified parameters, current controller was parametrized by optimum module and revolution controller according symetrcal optimum.
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Automatic tuning of the DC motor controller
Tran, Adam ; Brablc, Martin (referee) ; Najman, Jan (advisor)
Diploma thesis deals with designing of algorithmus for automatic controller tunning for DC motors. Automatic tuning function consist of system identification and controller parametrization. Cascade control loop was chosen for its robustness and proper DC motor control. For electric system identification of DC motor was used recursive method of instrumental variables, because of noisy signal from current transducer. In the case of identification mechanical system, there were used least sqares method. According to identified parameters, current controller was parametrized by optimum module and revolution controller according symetrcal optimum.
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The design survey of magnetorheological dampers
Tran, Adam ; Macháček, Ondřej (referee) ; Kubík, Michal (advisor)
Bachleor´s thesis deals with the damping systems such as magnetorheological dampers or magnetorheological valves. At beginning MR effect is described in MR devices. Next part deals with the designs, materials, characteristics of FEM models e.g. magnetic inductions, tested characteristics (F-v, time response), and used MR fluids in MR devices. In second part there are compared each MR device (MR damper or MR valve) in listed characteristics from previous part and describes issues, which are not in publications.
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