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Serial and Parallel Diagnostics of Vehicle Engine Control Units
Čoček, Jan ; Svída, David (referee) ; Beran, Martin (advisor)
The thesis considers diagnosis of motor vehicles from the past until the present day, focusing especially on the engine of internal combustion engines. In its sections briefly describes the function of the system and then analyzed how to diagnose faults. The charts are presented symptoms and denouement, using measuring techniques. The conclusion describes the OBD systems, the most commonly used automotive bus and a summary of several major measuring devices used in automotive diagnostics.
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Injection System with Pressure Accumulator for Commercial Powertrain Units
Suchánek, David ; Prokop, Aleš (referee) ; Dundálek, Radim (advisor)
The present work deals with a common-rail fuel injection system for powertrain applications. As part of the solution of the thesis, a comprehensive analysis of the injection system has been carried out with an indication of the principle and function of the necessary components, including demonstrations on specific vehicles and an outline of future developments. The injection system can be divided into 3 parts: low pressure, high pressure and control. The low-pressure section describes the fuel filter and feed pump. Within the high-pressure part, the components which are the injector, the high-pressure pump and the fuel rail are given in context. The control section then presents the control unit, sensors and actuators necessary to control the pressure and quantity of fuel. In order to give a comprehensive overview of the common-rail fuel injection system, the common-rail system parameters were measured and evaluated on a specific power unit using diagnostic equipment. The measurements verified the maximum pressure declared by the vehicle manufacturer, while showing the fuel pressure waveform in the fuel rail in different engine operating modes. style.
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Sériová a paralelní diagnostika přímého vstřikování paliva u vozidla Superb 1,8 TSI
HAJNÝ, Vladislav
Works on Serial and Parallel Diagnostics of Direct Fuel Injection for the Superb 1.8 TSI is concerned with the use of the Škoda Superb II. generation, based on VOŠ professional training, automotive and technical secondary school in České Budějovice. Because the car is fully functional, it is possible to demonstrate both the mode of operation and the control options on the individual components. The aim of this diploma thesis is therefore to make, document and describe diagnostics of the fuel system of the mentioned vehicle using the gauges and diagnostic tools available in the school education. I believe that I will acquire other valuable theoretical and practical knowledge, which I will apply in the technical practice.
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Fuel consuptiom monitor for car gas-engine
Klásek, Tomáš ; Roubal, Zdeněk (referee) ; Drexler, Petr (advisor)
This work introduces readers into the principles of fuel injection and injection types in the modern combustion engines. The basic focus of this work is in the description of how the modern fuel injectors work. Then we describe the most important car sensors for our task. In the next part we will try to determine the normalized immediate fuel consumption by acquiring the data from the automobile. Finally, we will process the data by using an electronical platform and display them on a suitable indicator.
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Serial and Parallel Diagnostics of Vehicle Engine Control Units
Čoček, Jan ; Svída, David (referee) ; Beran, Martin (advisor)
The thesis considers diagnosis of motor vehicles from the past until the present day, focusing especially on the engine of internal combustion engines. In its sections briefly describes the function of the system and then analyzed how to diagnose faults. The charts are presented symptoms and denouement, using measuring techniques. The conclusion describes the OBD systems, the most commonly used automotive bus and a summary of several major measuring devices used in automotive diagnostics.
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