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Reftoolbox - Refrigeration Toolbox For Matlab/Simulink
Glos, Jan
RefToolbox is an useful utility for MATLAB/Simulink, which adds support of thermodynamic data export and ph diagram plotting. It is based on CoolProp and supports large number of refrigerants and other mediums. Using graphical user interface it is possible to gain thermodynamic dependencies of state variables and export them into lookup tables. Also ph diagrams can be assembled using this tool and then used during simulations and measurements of heat pump and other refrigeration applications.
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Temperature control
Soviš, Jiří ; Glos, Jan (referee) ; Richter, Miloslav (advisor)
The thesis deals with the issue of temperature control by means of an uncontrolled source of waste heat in a closed room. The main purpose of this thesis is to get acquainted with problematics and technology used in the field of HVAC. Part of the thesis is a solution design of temperature control in which the heat loss from the compressor is used to heat the compressor room and as a supplementary heat source to the production hall to reduce costs. As part of the algorithm solution, was created a temperature model, developed in Matlab / Simulink, which was used to design a PI controller using integral quality control criterion ITAE and Nelder-Mead simplex.
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Articulated vehicle kinematics
Roman, Matej ; Glos, Jan (referee) ; Pohl, Lukáš (advisor)
The goal of this thesis, is to create a kinematic model of an articulated vehicle. The first part deals with finding equations of state of this system and its control driving in reverse. The second part is dedicated to implement the model in the Matlab Simulink environment and to simulate and demonstrate the functionality of control on simple examples, typical for driving in reverse. In the last part a real model is created to test the functionality of control.
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FMU Toolbox for Matlab/Simulink
Glos, Jan
Acausal (physical) modeling can be advantageously used to construct dynamic models, which are legible and easily modifiable for user. Even highly complex models can be easily assembled and the model remains clear. The most widespread language for acausal modeling is Modelica. Unfortunately Matlab/Simulink does not support Modelica language and that is why FMUtoolbox for Matlab/Simulink was established. It adds possibility to simulate Functional Mock-Up Units (exported Modelica models) to Matlab/Simulink environment. FMUtoolbox was practically proved during verification of control algorithms for stepper motor and in the design of heat pump control.
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Thermal model of vehicle cabin for HIL simulation
Chromiak, Michael ; Šolc, František (referee) ; Glos, Jan (advisor)
The air temperature inside the car's cab affects the driver as well as the entire crew. In particular, the driver of the car needs maximum thermal comfort, as it is one of the factors that can affect its attention. Before starting to solve this assignment, you will need to summarize the theoretical knowledge needed to properly solve the task. The main objective of this work will be the creation of a thermal model of a car cabin realized in the form of differential equations describing temperatures, which will be assembled in Simulink. The script in Matlab will be created to enter the individual car cabin parameters. From the perspective of the car crew, it is possible to use air conditioning or window openings to influence the air temperature while driving in the car. Therefore, the model enters the time flow of the air flow and temperature from the air conditioning as well as other parameters, including the outside temperature. From the entered parameters, the model then determines the temperature of the car cabin. The resulting model will need to be created so that it can be implemented into a microcontroller and prepare the necessary interface for HIL simulation.
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Modelling and control of FytoScope system
Stoklásek, Petr ; Glos, Jan (referee) ; Blaha, Petr (advisor)
The aim of this thesis is modelling of chamber for plant cultivation under defined conditions. First part of the thesis contains theoretical introduction to thermodynamics and humid air problematics. In the next part of thesis, the growth chamber model was designed. Model parameters were obtained during fytotron identification. Chamber control algorithm was designed using the model. The control algorithm was programmed into chamber control unit and its functionality was practically tested.
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Room Temperature Advanced Control Algorithms
Glos, Jan ; Graf, Miroslav (referee) ; Václavek, Pavel (advisor)
This bachelor's thesis deals with constructing a thermal model of the specific room and algorithms design for heating and air conditioning. The model is created using Simscape extension for Matlab/Simulink and is based on real attributes of room and its walls (materials, dimensions etc.). This thesis contains design of MPC (Model Predictive Control) and PI controllers. In comparison with the original regulation designed controllers achieve better quality of control and MPC controllers seems to be the best. Because of preliminary for integration of split air conditioner, possibility of control actuators by MPC controller and because of necessary setpoint separation (for heating and air conditioning) software equipment of the individual zone controller was revised.
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Water mixer
Damajka, Štěpán ; Glos, Jan (referee) ; Veselý, Libor (advisor)
The aim of this bachelor thesis is to build device for mixing warm and cold water. Water mixer consists of a temperature sensor and flow sensor. Actuator devices are two-way diaphragm solenoid valves and three-way valve with servo-engine. Thesis focuses on identification system and design of a suitable controller.
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Modelica Models use in Matlab-Simulink Environment
Glos, Jan ; Blaha, Petr (referee) ; Václavek, Pavel (advisor)
This thesis solves the use of Modelica models in Matlab/Simulink enviroment. The first part is focused on Modelica language and Functional Mock-up Interface, a standard way for model exchange and co-simulation of dynamic models, which is supported by most Modelica oriented tools. Based on this standard FMUtoolbox was created and it provides the ability to import and simulate models exported as Functional Mock-up Unit. The tool provides a Simulink block, graphical and command-line interface.
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