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Concept of a modular tandem trailer
Pavlovič, Matúš ; Pokorný, Přemysl (oponent) ; Kašpárek, Jaroslav (vedoucí práce)
This bachelor thesis focuses on analysis of construction elements of two-axle trailer as a carrier of changeover system. Furthermore, this thesis includes own conceptional desing of two-axle trailer, it’s frame and suitable construction elements, also calculations for verification of functionality of the frame. Thesis also includes drawing documentation of the trailer.
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Class AB stereo audio amplifier with output power 2 x 120 W / 4 ohms
Pavlovič, Matúš ; Šotner, Roman (oponent) ; Kratochvíl, Tomáš (vedoucí práce)
In this bachelor thesis we will deal with the design of a stereo amplifier with a power stage in working class AB with a nominal power of 2x120 W / 4. We decided to design the audio amplifier itself into blocks, while we can expand the individual blocks by others if necessary. In the first chapter we propose frequency corrections for an audio amplifier using operational amplifiers. In the second chapter we will propose an indication of the excitation of the audio amplifier, using the integrated circuit LM3915 in connection with LED diodes. In the third chapter we will design the power stage of the audio amplifier operating in class AB with a power of 120 W. In the fourth chapter we will design the protection of the connected speaker to the amplifier. In the sixth chapter we will design the power circuits for the audio amplifier. The next chapters will describe the implementation and measurement of the proposed audio amplifier.
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Vliv tlakové ztráty chladiče vozidla na jeho aerodynamický odpor
Pavlovič, Matúš ; Blaťák, Ondřej (oponent) ; Vančura, Jan (vedoucí práce)
Táto diplomová práca sa zameriava na numerickú simuláciu modelov vozidla DrivAer s rôznymi tlakovými stratami chladiča. Pre jednotlivé typy chladičov sú vytvorené CFD modely vozidla v karosárskej verzií Estate, spolu s chladičom a zjednodušeným motorovým priestorom. Cieľom práce je porovnanie vlastností konvenčného hliníkového chladiča s vlastnosťami prototypu polymérového chladiča a ich vplyv na aerodynamický odpor vozidla.
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Vliv tlakové ztráty chladiče vozidla na jeho aerodynamický odpor
Pavlovič, Matúš ; Blaťák, Ondřej (oponent) ; Vančura, Jan (vedoucí práce)
Táto diplomová práca sa zameriava na numerickú simuláciu modelov vozidla DrivAer s rôznymi tlakovými stratami chladiča. Pre jednotlivé typy chladičov sú vytvorené CFD modely vozidla v karosárskej verzií Estate, spolu s chladičom a zjednodušeným motorovým priestorom. Cieľom práce je porovnanie vlastností konvenčného hliníkového chladiča s vlastnosťami prototypu polymérového chladiča a ich vplyv na aerodynamický odpor vozidla.
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Class AB stereo audio amplifier with output power 2 x 120 W / 4 ohms
Pavlovič, Matúš ; Šotner, Roman (oponent) ; Kratochvíl, Tomáš (vedoucí práce)
In this bachelor thesis we will deal with the design of a stereo amplifier with a power stage in working class AB with a nominal power of 2x120 W / 4. We decided to design the audio amplifier itself into blocks, while we can expand the individual blocks by others if necessary. In the first chapter we propose frequency corrections for an audio amplifier using operational amplifiers. In the second chapter we will propose an indication of the excitation of the audio amplifier, using the integrated circuit LM3915 in connection with LED diodes. In the third chapter we will design the power stage of the audio amplifier operating in class AB with a power of 120 W. In the fourth chapter we will design the protection of the connected speaker to the amplifier. In the sixth chapter we will design the power circuits for the audio amplifier. The next chapters will describe the implementation and measurement of the proposed audio amplifier.
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Concept of a modular tandem trailer
Pavlovič, Matúš ; Pokorný, Přemysl (oponent) ; Kašpárek, Jaroslav (vedoucí práce)
This bachelor thesis focuses on analysis of construction elements of two-axle trailer as a carrier of changeover system. Furthermore, this thesis includes own conceptional desing of two-axle trailer, it’s frame and suitable construction elements, also calculations for verification of functionality of the frame. Thesis also includes drawing documentation of the trailer.
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