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Design of electrical travel of reaper`s drive unit
Otoupalík, Jan ; Černý, Michal (referee) ; Koutný, Daniel (advisor)
This bachelor thesis focuses on the design of electrical travel for universal mowing machine, which will be controlled remotely. Designed travel has independent wheel drive, the maximum speed of 10 km per hour and can be used in the terrain with a slope of 30°. The thesis deals with the determination the parameters of the travel, design of the possible electrical drive units and design with respect to the stability of the device. Another part of the thesis deals with the design of the travel and describes particular parts of the travel.
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Automatic measuring with LabVIEW
Paszek, Michal ; Hájek, Vítězslav (referee) ; Huzlík, Rostislav (advisor)
The thesis will introduce a program Labview, a measurement of DC motor separately excited, a design of an automated workplace and a description of its control software. The first section will describe a virtual laboratory. The second chapter will describe the LabVIEW program, each program window and a creation of a virtual instrument. The third part will deal with measurings of characteristics of the DC motor separately excited where the usage and function of motors, load test and a load test will be described. The fourth chapter will introduce the design of the automated measuring workplace and its machine descriptions including their individual characteristics and parameters. The fifth section will deal with functions of the control software describing not only block diagrams but also front panels of the virtual instrument for setting, measuring, storing and controlling blocks. The sixth chapter will depict a chart and waveforms created by the measurement of the DC motor separately excited. Finally, an evaluation of their values and waveforms will be performed.
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HIL Simulation of Electronic Throttle
Maliszewski, Michal ; Chalupa, Jan (referee) ; Sova, Václav (advisor)
This thesis deals with the Hardware in the Loop (HIL) simulation of an electronic throttle. In the following text its mathematical model for different options of friction and hardstops is deduced. Model parameters were obtained by measurement on the real throttle. In the next step the thesis aims on designing the suitable control algorithm, which is used for own HIL simulation. The output of the thesis is the choice of the best model with respect to accuracy and computation time of the simulation.
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Sensorless control of revolutions and position of DC motor
Kakáč, Petr ; Minář, Jiří (referee) ; Prajzner, Václav (advisor)
This thesis deals with the management and control of DC brush motors used in Honeywell actuators. The introduction describes the types of DC brush motors and possibilities of regulation. We chose the method of compensation of the load characteristics. The basic requirement for this job is a requirement to ensure constant engine speed under various load torque. For this requirement it is necessary to develop a mathematical model of the static engine, calculate, verify that the motor constants and, not least, the implementation of the static model for a given engine. The work focuses on the limits of such an engine control or the limitations that we created conditions in practice.)
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Development of controller unit for robotic vehicle Car4
Šůstek, Jan ; Adámek, Roman (referee) ; Dobossy, Barnabás (advisor)
This bachelor thesis deals with creation of new control unit for experimental vehicle CAR4. In the first part there are described basic communication protocols and checksum algorithms. In the second part of the work, the electronic diagram of the new control unit and the printed circuit board are designed and control algorithm is optimized. Also there is established communication between control unit and computer and creation of DC motor speed regulation.
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Design and Implementation of Small-lot Production Line
Šíl, Petr ; Vdoleček, František (referee) ; Zuth, Daniel (advisor)
This Master's Thesis is focused on the design and control of a small-series production line, for the production of segmetal arches and plastic reductions. It is about the conversion from a semi-automatic line to a fully automatic line. The production line consists of an extruder, a cutting unit, a exhaust unit, three pressing machines and a manipulator. Every single machine has a custom control for which was selected a baseplate with microcontroler ATmega 128 and designed powerful part of inputs and outputs. There is a simple communication between the machines. Appropriate elements were used for conversion of every individual part of the production line. The whole system is programmed with software called AVR Studio4.
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Electric drive of the wheelbarrow
Lažek, Tomáš ; Procházka, Petr (referee) ; Pazdera, Ivo (advisor)
This bachelor’s thesis deals with proposal of an electrical low-cost drive for the wheelbarrow. The first part of thesis is devoted to overview of operational characteristics of available electric motors, batteries and gears suitable for the construction of an electric drive. In the next part the thesis deals with the design and implementation of a pulse converter for a specific DC motor. The converter will be controlled by the integrated circuit UC3638.
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