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Návrh hydraulických a pneumatických systémů komunálního vozidla
Tenora, Jiří
The aim of this diploma thesis is a design of hydraulic and pneumatic systems of a communal vehicle. This thesis includes a theoretical part where hydraulic and pneumatic systems of a communal vehicle are described; it also refers to a design of a pneumatic suspension system, a hydro-pneumatic breaking system, a hydraulic system for hook carrier containers including a design and a calculation of hydraulic motors and the volume of a hydraulic tank and a presentation of possible construction alternatives.
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ABS Impact to Behavior of Vehicle
Zich, Jakub ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
The bachelor thesis discusses the Anti-lock braking system and its impact on braking distance of a vehicle. The thesis contains research of this problem, a summary of suitable modeling tools, solution draft, its implementation in the UPPAAL modeling tool and tests performed with the model. The tests examine the course of progression of basic quantities associated with braking (velocity, braking distance, slip, angular velocity, friction coefficient) in simulations of emergency braking with and without the use of ABS, and compare the results. They also verify probability of the vehicle stopping in different circumstances on given distance. Lastly, the model can simulate brake or sensor defect, and results of those simulations can be compared to simulations without defect.
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Porovnání dopravních prostředků v zemědělství: traktory a nákladní vozidla
ŠTEMBERK, Martin
This bachelor thesis analyses information about means of transport in agriculture, tractors and trucks. The thesis is divided into two parts, theoretical and practical. In the theoretical part, the thesis deals with the history and development of means of transport. Furthermore, the basic requirements for the means of transport are described. In the practical part, a comparison of technical parameters, economic efficiency of means of transport in agricultural production was carried out and a sample model of transport of agricultural commodity was created, in which the transport costs according to the means of transport used are compared. Based on the available information and calculated economic efficiency values, an overview of the parameters of individual machines was created.
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Analysis of Non-Standard Braking Intervention into the Brake System
Kortán, Daniel ; Bradáč, Albert (referee) ; Vémola, Aleš (advisor)
This master’s thesis focused on the issue of the possible conversion of liquid brake systems, in the form of replacement of wheel brakes. The first part focused on the function and description of the construction of different types of brakes. The second part is focused on description the types of brake system testing and the regulations regarding brake systems. The last part focused on the measurement of both vehicles and comparison of the results with the calculations.
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Diagnostics brakes – start braking power
Rádl, Jakub ; Pexa, Martin (advisor) ; Pošta, Josef (referee)
The goal of this thesis is to analyze the current state of vehicle brakes construction, possibilities of measuring the brake power, braking deceleration and to analyze the influence of pipe diameter to the beginning braking force, based on data from the measuring in the dynamic cylindrical testing lab.
In the first part are described braking systems and Czech and International legislation, which have to comply with all road vehicles. The section also describes ABS, the modern brake system elements and testing methods that measure the requirements of the braking effect. The next section discusses the methodology of measuring and describes the experimental cylindrical test at Czech Agricultural University in Prague.
In this thesis, they are processed and evaluated the data obtained from the measurement. At the conclusion are summarized the findings from the data evaluation and overall assessment of the influence of pipe diameter to beginning braking power.
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Brzdové systémy motorových vozidel
Brychta, Jan
This bachelor thesis deal with the current state in construction and development trends of cars brake systems. The introduction shows the development and reason for using of brake systems for trucks. Furthermore, the general division and current trends in brake systems, such as EBS - Electronic Braking System with subsystems: EPB - Electro - Pneumatic Brake, ABS - Anti-lock Braking System, ASR - Anti-Slip Regula-tion, ESP - Electronic Stability Program, EBD - Electronic Brakeforce Distribution. Acquired technical parameters table processing and evaluation was conducted.
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Diagnostika brzdových soustav osobních automobilů
Putna, Michal
The bachelor work "Diagnostics of car brake systems" looks at diagnostics and the most common malfunctions of brake systems. The first part describes components from which the brake system is made. The second part is focused on particular types of diagnostics. The last part is about the most common malfunction that occur in brake systems.
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Braking of truck - trailers
Andrej, Haring
Topic of contribution is braking of truck-trailer combinations in critical driving situations and effect to origin of collision process. Within thematic focus of contribution will be described possibilities of brake systems configurations truck and trailer and their influence to brake process. Next part of contribution is focused on effect of technical state of brake system for truck and and trailer and its influence on the course of braking in critical situation. Each thematic units will contain theoretical and practical pattern.
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Impact of the Instantaneous Weight of Vehicles on their Stopping Distance
Motl, Jakub ; Ptáček,, Petr (referee) ; Vémola, Aleš (advisor)
This diploma thesis is engaged in analysis of braking process of vehicles, especially heavy utility vehicles, with regard to their instantaneous weight. This thesis features survey and division of braking systems and function of brakes including schemes and descriptions. Also there is introduce of some systems improving vehicle properties. Furthermore this work puts mind to possibilities of examination of brakes, measurement of braking distance and braking retardation namely in brake test rooms or by outdoor driving tests including descriptions of particular methods and equipment. There is also mention about legislative requirements for braking distance and braking retardation. The conclusion of this thesis compares numerically predicted braking distance and real braking distance measured for factual vehicle during outdoor driving test
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Detection of technical status of truck-trailer combination
Haring, Andrej
Topic of contribution is detection of technical status of truck-trailer combinations and effect to origin of collision process. Within thematic focus of contribution will be presented the specific case. Will be described methodes and procedures for detection of technical status of truck-trailer combination and appication of the results by detection of technical status to creation of accident.
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