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Predicting spark-ignition engine emissions
Jirout, Petr ; Böhm, Michael (referee) ; Štětina, Josef (advisor)
This diploma thesis deals with the possibility of predicting emissions of SI engines. The aim was to create an algorithm for predicting unburned hydrocarbons and carbon monoxide, based on ECU signals. The algorithm is based on practical experiments with SI engines. In the summary, the issues and the possible use of the created algorithm following the incorporation of EU7 are outlined.
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Computational model of an CR diesel combustion engine
Kučera, Vlastimil ; Beran, Martin (referee) ; Svída, David (advisor)
Combustion-engine control is one of the most important parts of engine application and has a direct impact on its characteristics. Diploma thesis shows the preparation of a test engine and its installation to test cell. It describes measurement and data post processing necessary for common-rail diesel engine control and their application in the creation of a mathematic model in GT-SUITE.
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Electronic speed controller
Šimbera, Michal ; Kučera, Pavel (referee) ; Svída, David (advisor)
The thesis deals with the design, realisation and functional verification of an electronic cruise control unit. Required inputs, outputs and controller of the control unit are identified first. The design and layout of the electronical components, including the processor, power supply and other necessary hardware is discussed. The algorithm for the control unit is developed in C/C++ and thoroughly analysed. The functionality of the cruise control unit equipped with the algorithm is verified through a case study performed on a combustion engine.
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"Start&Stop" system diesel engine implementation into passenger car
Fajkus, Martin ; Drápal, Lubomír (referee) ; Rasch, František (advisor)
This thesis treat of implementation „Start&Stop“ system off passenger car with diesel engine. Creates summary of adjustments and changes necessary to insertion system, further critize effect of system on ride vehicles, as on the part of komfort so and safety factor, the advantages and disavantages in urban and super urban cycle. This system has not always been ranked separately, will be there described superiors systems, on which is implemented.
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Wireless OBDII-Bluetooth Interface
Bezdíček, Jan ; Šimek, Václav (referee) ; Bartoš, Pavel (advisor)
The goal of this bachelor's thesis was to design an OBDII interface, which would have been able to communicate with a PC through Bluetooth interface. Designed wireless interface is able to diagnose all OBDII equipped vehicles, but the vehicles have to communicate by some of the supported protocols. It is possible to communicate with a vehicle using a software application or by simple commands in data terminal as well. Main parts of the device are a proprietary ELM327 microcontroller and an industrial Bluetooth module. The built-up device has been tested and it is able to display right values of vehicle sensors and to operate diagnostic trouble codes as well.
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Testing of the Common-rail pressure regulation valve by ADwin device
Šoulák, Vojtěch ; Svída, David (referee) ; Kučera, Pavel (advisor)
Tato diplomová práce se zabývá rozšířením testovacích možností vývojové stanice pomocí zařízení ADwin. Hlavní částí diplomové práce je navržení přídavného okruhu testovací stanice a naprogramování testu pro tlakový regulační ventil. V další část se diplomová práce zabývá předpokladem stavu komponent regulačního ventilu po testování. Při porovnání tohoto předpokládaného stavu a reálném stavu po testování je ověřeno správné naprogramování testu a správná funkce nově navrženého okruhu.
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Single lever control system of piston engine with propeller
Gröger, Roman ; Cäsar, Tomáš (referee) ; Šplíchal, Miroslav (advisor)
This bachelor thesis deals with the description of the work of aircraft piston power plants and single-lever control systems. The first part describes the characteristics of piston engines and their indicators. The second part describes the work of piston engines with variable-pitch propeller. The third and fourth part deals with single-lever control systems of piston power plant, their comparison and possible problems of their control.
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Logging data of Formula Student
Novotný, Libor ; Vdoleček, František (referee) ; Zuth, Daniel (advisor)
This bachelor thesis deals with description of sensors principle which are used in Formula student monopost. There are also descriptions of ECU, expanding units and improvement which can be done in electronics of the vehicle, also implementation of datalogger Omega L2. Reasons why are specific sensors and actuators used is described. The bachelor thesis also contains demonstration of logged data.
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