National Repository of Grey Literature 86 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Design of software module for paraglider landing simulator
Šulc, Dalibor ; Březina, Lukáš (referee) ; Krejsa, Jiří (advisor)
The aim of this diploma thesis is software designed to simulate landing of the paragliding wing. It means the development of the mathematic model describing the final stage of flight and landing. The model comprises the effects of controls (brakes, speed bar, weight-shifting). One part of the thesis is the description of the implementation in C# language with complete source codes.
Simulation anlysis of turbocharger vibrations
Valo, Lukáš ; Lošák, Petr (referee) ; Březina, Lukáš (advisor)
The master thesis deals with computational modeling of a turbocharger vibrations and and assessment of influnce of passive dynamic vibration absorber on vibrations of actuator bracket. The use of dynamic vibration absorber was summarized in the research study. The analysis were performed using finite element method in ANSYS. Several computational models of turbocharger were created with different ways of modeling bolted joints between turbocharger parts. Modal analysis of each model was performed and the results were compared. For the selected model, the response to the kinematic excitation from the internal combustion engine for two load conditions was calculated using harmonic analysis. A simple model of vibration dynamic absorber was applied to the turbocharger model with reduced degrees of freedom and its influnce on vibrations of actuator bracket was investigated. Significant decrease of the maximum acceleration amplitude was achieved in a given frequency range when absorber parameters were optimized.
Control units for small DC motors with universal software interface
Hlouš, Jaroslav ; Březina, Lukáš (referee) ; Houška, Pavel (advisor)
The purpose of this thesis is to design and implementation of the control unit for DC motors. Design is based on the concept of universal communication interface, which has been designed for simplification of communication between individual control systems. Control unit has been realized for DC motors within supply voltage range from 6 to 48 V, and maximal continuous current 2,5 A. For realization, we have used microcontroller LPC2103, and full bridge driver TLE 6209. In the thesis, we have described particular developmental steps of the control unit.
Dynamic analysis of oscillations with multiple degrees of freedom
Schulmeister, Jiří ; Houfek, Lubomír (referee) ; Březina, Lukáš (advisor)
This thesis is dealing with analysis of oscillating with multiple degrees of freedom and with example of dynamic behavior of system with two degrees of freedom with different input signals for purposes of dynamic lessons. Conventional method of making equations of motion by Lagrange’s method and their consecutive analysis is inscribed in the work. As example of system with two degrees of freedom is chosen quarter car model. Responses to different input signals are shown for the model. It is made in MATLAB/SIMULINK.
Simulation Modelling of Electromagnetic Vibration Power Generator
Novosád, Boris ; Březina, Lukáš (referee) ; Hadaš, Zdeněk (advisor)
The aim of this work is to create complex virtual model of electromagnetic vibration generator. This model will include mechanical and electromagnetic subsystem and also the model of output circuit. Created model will be implemented in Matlab/Simulink enviroment and model parameters will be identified so that the compare of simulation and real results will be acceptable.
Complex design of industrial manipulator analysis
Peml, Luboš ; Houfek, Martin (referee) ; Březina, Lukáš (advisor)
The work deals with analysis of industial manipulator complex design procedure and demostrates major issues of that procedure on plannar manipulator example using Simulink and MSC Adams.
Simulation modeling of a vibration absorber
Kukačka, Radek ; Vetiška, Jan (referee) ; Březina, Lukáš (advisor)
The bachelor thesis gives an overview of different design solutions to car shock absorbers. The rest of the thesis describes a simplified model of passive shock absorber and its optimization. The survey contains shock absorbers used in the present. There are various passive telescopic dampers and modern semi active and active electronically controlled damping systems. The second part includes several simplified models of passive dampers. There is described an optimization of the damper parameters with respect to the displacement of the primary mass for each of the models.
Positioning system for noise measuring microphones
Pulec, Václav ; Březina, Lukáš (referee) ; Singule, Vladislav (advisor)
The thesis deal with programing of algorithm for creating measuring box composed of measuring points. Coordinates of these points will be used for planing trajectory of the robot’s effector. It describes construction of structural model in Solid Works and calculate dynamic model by matrix formalism in MATLAB. In conslusion dynamic model of positioning system is used for the choice of appropriate motors.
Utilization of simulation tools interaction for solving of complex problems in dynamics
Kukučka, Ivan ; Lošák, Petr (referee) ; Březina, Lukáš (advisor)
This thesis describes the possibilities of mutual interaction of simulation tools and it demonstrates the procedures described for the various complex tasks. Aim of this thesis is to show the links between CAD softwares (Solidworks) and other simulation tools ( MATLAB, MSC Adams) while in the environment for the simulation of multi-body dynamics it is treated as rigid bodies, as well as flexible.
Simulation modeling of RPR parallel kinematic machine
Hvížďala, Jan ; Houfek, Lubomír (referee) ; Březina, Lukáš (advisor)
The work is dealing with simulation modeling of a parallel kinematic machine RPR. There is described an approach of creating the simulation model. There was constructed a model of kinematics and dynamics of the mechanism in MSC Adams which was consequently compared with the model created in MATLAB/SimMechanics.

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3 Březina, Luděk
4 Březina, Lukáš
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