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Control of ABS educational model
Kubisz, Jan ; Spáčil, Tomáš (referee) ; Sova, Václav (advisor)
This bachelor´s thesis deals with renewal of education model for ABS braking simulation, determination of parameters of this model and following aplication of those parameters for simulation model compilation. Second part is to create two types of regulation with known speed of roadway and with unknown speed of roadway. Created regulators are then tested on real system to verify their funcionality.
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Testing unit for proportional valves
Sova, Václav ; Tlustoš, Jiří (referee) ; Grepl, Robert (advisor)
This bachelor thesis deals with development and construction of a portable testing unit for hydraulic proportional valves, whose assumption of usage is primarily for maintenance, inspection and commissioning of hydraulic machinery in operation. The thesis also includes an introduction to the issue of proportional valves and the existing testing units. Through the work, the development and design of electronics, based on dsPIC microcontroller is introduced and its utility program will be developed using Kerhuel Toolbox in Simulink environment. The result of the work will be a prototype of testing unit.
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Adaptive Control of Electromechanical Actuators using Multiple Model Adaptive Feed forward Compensator
Sova, Václav ; Křivánek,, Václav (referee) ; Krejsa, Jiří (referee) ; Grepl, Robert (advisor)
This thesis deals with the derivation of novel adaptive feed forward compensator, which will be used for the control of the electromechanical actuators used in automotive industry. The electromechnical actuators are an electronic throttle valve and an EGR valve. The introduced adaptive compensator is derived from an existing multiple model feedback control method. This work describes the derivation of this method and simulation and experimental verification. In addition, the most well known digital filter differentiators are presented and summarized in this paper because the feed forward compensator needs them for its operation. From these filters, one specific is chosen, whoose coefficients for the specific setting leads to integer multiplication and an integer implementation of the filter. This will be used to implement this filter to the FPGA and then we prove, that this implementation saves a lot of FPGA resources compared to filters implemented using fixed or floating-point arithmetic.
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Control of ABS educational model
Kubisz, Jan ; Spáčil, Tomáš (referee) ; Sova, Václav (advisor)
This bachelor´s thesis deals with renewal of education model for ABS braking simulation, determination of parameters of this model and following aplication of those parameters for simulation model compilation. Second part is to create two types of regulation with known speed of roadway and with unknown speed of roadway. Created regulators are then tested on real system to verify their funcionality.
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Design and implementation of encoder unit
Kirchner, Tomáš ; Sova, Václav (referee) ; Spáčil, Tomáš (advisor)
The aim of the thesis is to implement an absolute magnetic encoder unit as a sensor measuring the angle of rotation of a DC engine on a ballbot, which is part of the BB-8 project at the mechatronic laboratory. It describes the principals and limitations of a magnetic encoder technology, also the design of printed circuit board for the sensor and the engine housing. Testing functionality of the encoder at Raspberry Pi was part of the work as well as creating SPI communication with a master microcontroller PIC. Furthermore an accuracy of the angle of rotation sensing was measured for different inaccuracy of a magnet position to the sensor.
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Implementation of kinematics algorithms for the four legged mobile robot
Králík, Jan ; Appel, Martin (referee) ; Sova, Václav (advisor)
The goal of the work is restore a quadruped walking spider-type robot named Jaromír. Part of the work is a body design that is then printed on a 3D printer. Another part is the design and creation of a new control board, which’ll include sensor equipment appropriate for robot operation. Subsequently, the thesis deals with the design of the tactile sensor’s and their fitting on the legs. The final part is implementation of the algorithm for robot control. The goal was to put the model to a state where it could be used for learning and presentations.
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Design of complex sensor node for LoRa network
Obrtáč, Tomáš ; Sova, Václav (referee) ; Chalupa, Jan (advisor)
This thesis covers development of complex sensor for LoRa network. The thesis is extended by theoretical section, which explains basic properties of Lora network. Theoretical section also covers analysis of software and hardware products on market. The practical part of thesis is focused on creation of complex sensor and development of complete server for its operation. In the hardware part is described method of choosing the right sensors, designing the PCB and description of important parts. Software development is described from acquisition of network server, through creating the computer application, to programming the MCU.
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Design and implementation of educational mobile robot
Suchý, Jakub ; Sova, Václav (referee) ; Bastl, Michal (advisor)
This thesis deals with the design and realization of a wheeled robotic chassis which will serve as an extension for the EduKit learning platform. It contains a brief introduction to the problematic of expanding this platform, the description of the selection of suitable components, the design of mechanical parts and printed circuit boards, the assembly of the chassis and the verification of some of its functions by a demonstration task.
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