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Buckling analysis of the load-bearing system
Majer, Tomáš ; Löffelmann, František (referee) ; Šplíchal, Jan (advisor)
The research part of the work summarizes the knowledge in the field of calculation of buckling stability and methods of heat transfer. The next part deals with the calculation of the buckling stability of two types of samples using an analytical approach, finite element method, and verified using experimental measurements. Finally, the work deals with CFD calculation for determining the temperature field on the examined samples, which is used to calculate the buckling stability with temperature influence.
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Desing of control system of assorting line
Majer, Tomáš ; Blecha, Radim (referee) ; Vetiška, Jan (advisor)
This bachelor thesis is covering the problematics of desingning an assorting line of small pieces, based on shape marking. The reseach part analyzes the types of managing the processes focused on PLC, elements of the sensory system and frequency changers. The practical part of this thesis covers the design and hardware for line automatization. Controling software, made in TwinCAT 3, is described in detail in the next step. In the end the whole thesis is valorized and different changes of design are proposed.
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Design of a Robotic Cell
Majer, Tomáš ; Pochylý, Aleš (referee) ; Kubela, Tomáš (advisor)
This diploma thesis deals with design of a robotized workplace for welding truss structures. First, the target construction that the work focuses on is shown. Then the functions of the entire workplace are designed, including the procedures for activities and the gross displacement of the used components and their layout. The next chapter itemize specific robots and components. This, along with the solution of safety and ergonomics, makes the layout of the entire workplace more precise. Everything is completed by creating a simulation model in Siemens Tecnomatix Process Simulate, where all the welding operations are simulated.
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Communication in ZigBee Networks
Majer, Tomáš ; Očenášek, Pavel (referee) ; Trchalík, Roman (advisor)
Now days, we are more often meet sensors and sensor networks, which are used mainly in industrial fields. In this master thesis my target is sensor network Zigbee and usage of it. Internal structure of communication frames of APS application layer is presented here in details as well, which is used for control of sensors inside of sensor network. Main purpose of this master thesis is to design and implement application gateway between Internet and sensor network ZigBee. I present possible solution of communication protocol for transport over the Internet and processing of it by ZigBee coordinator. Thesis is written in style suitable for practical solution and results of solution are presented on model situations, which include discussion about possible improvements.
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Fuzzy Preference Structures in Multicriterial Decision Making
Majer, Tomáš ; Stryka, Lukáš (referee) ; Hliněná, Dana (advisor)
V mnohých rozhodovacích problémech evaluujeme akce z různých pohledů, které nazýváme kritéria. Například při ohodnocovaní auta uvažujeme kritéria jako maximální rychlost, cena, zrychlení a spotřeba. V obecnosti při rozhodování s ohledem na různá kritéria se setkáváme s problémem preferencí. Jedním z nejjednodušších řešení je vážený průměr uvažovaných kritérií. V této práci aplikujeme výsledky řešení jednoho multiriteriálního problému, přičemž porovnávání kritérií realizujeme použitím fuzzy preferenčních struktur. Naše řešení je ilustrováno na praktickém příkladě.
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Design of a Robotic Cell
Majer, Tomáš ; Pochylý, Aleš (referee) ; Kubela, Tomáš (advisor)
This diploma thesis deals with design of a robotized workplace for welding truss structures. First, the target construction that the work focuses on is shown. Then the functions of the entire workplace are designed, including the procedures for activities and the gross displacement of the used components and their layout. The next chapter itemize specific robots and components. This, along with the solution of safety and ergonomics, makes the layout of the entire workplace more precise. Everything is completed by creating a simulation model in Siemens Tecnomatix Process Simulate, where all the welding operations are simulated.
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Desing of control system of assorting line
Majer, Tomáš ; Blecha, Radim (referee) ; Vetiška, Jan (advisor)
This bachelor thesis is covering the problematics of desingning an assorting line of small pieces, based on shape marking. The reseach part analyzes the types of managing the processes focused on PLC, elements of the sensory system and frequency changers. The practical part of this thesis covers the design and hardware for line automatization. Controling software, made in TwinCAT 3, is described in detail in the next step. In the end the whole thesis is valorized and different changes of design are proposed.
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Fuzzy Preference Structures in Multicriterial Decision Making
Majer, Tomáš ; Stryka, Lukáš (referee) ; Hliněná, Dana (advisor)
V mnohých rozhodovacích problémech evaluujeme akce z různých pohledů, které nazýváme kritéria. Například při ohodnocovaní auta uvažujeme kritéria jako maximální rychlost, cena, zrychlení a spotřeba. V obecnosti při rozhodování s ohledem na různá kritéria se setkáváme s problémem preferencí. Jedním z nejjednodušších řešení je vážený průměr uvažovaných kritérií. V této práci aplikujeme výsledky řešení jednoho multiriteriálního problému, přičemž porovnávání kritérií realizujeme použitím fuzzy preferenčních struktur. Naše řešení je ilustrováno na praktickém příkladě.
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