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Transtibial prosthesis for recreational swimming
Křemen, Jan ; Mazůrek, Ivan (referee) ; Paloušek, David (advisor)
This thesis deals with the construction of an active transtibial prosthesis for recreational swimming. Its aim is to create a working sample of such a prosthesis. The device will primarily serve the patient to move in water - it will be attached to the stump and it will be driven forward. Secondarily, the prosthesis can be used for walking, in the sense that the patient attaches the prosthesis near to a water surface (pool, lake, ocean) and comes with it to the shore. As part of the design and electronics it will be necessary to determine the characteristics of the human resistance in water depending on speed and to determine the necessary propulsion (thrust) strength of the propeller, which will serve as the driving force. Subsequently there will be formed structural variants and selected the best one. This will become default for design and construction of simplified testing device, which will be tested for static thrust. After verifying the functionality and reliability, the final functional sample will be manufactured and tested too.
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Design of underwater scooter
Křivan, Michal ; Karásek, David (referee) ; Křenek, Ladislav (advisor)
This thesis deals with the design of an underwater scooter, which is meant to be used by group of divers. That should be helped by a system of electromagnetic devices, through which could be smaller scooters and other equipment connected with a greater machine. The work is approached more as a design and ergonomics solution, while the construction is associated with conceptual level.
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Development of propulsion for ultralight plane with fuel cells stacks
Smetana, Martin ; Sedlaříková, Marie (referee) ; Barath, Peter (advisor)
This work deals with development of propulsion for ultralight plane with using fuel cells technology. This thesis is described different types of fuel cells, fuels, electric motors and other component parts needed to build a functioning drive as a whole. The thesis also described situation in the market of fuel cell technology, production facilities and hydrogen tanks. Work includes part of the design drawings of the proposed solutions of thesis.
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The study wheeled undercarriages of mobile machines
Olšovský, Petr ; Škopán, Miroslav (referee) ; Kašpárek, Jaroslav (advisor)
The objective of this bachelor thesis is to summarize basic findings regarding various types of wheeled undercarriages that are used on contemporary machines. The first part of this paper deals with numerous requirements that should be fulfilled by the design of an undercarriage. The fulfilment of these requirements also helps to assess whether the design should be used for a specific machine. Another focus of this paper is to summarize all design solutions regarding propulsion, tyres, stabilizing elements and steering mechanisms. These solutions are compared to each other. Important design elements of wheeled undercarriages are described as well.
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The redesign of the compressor for electromotor driving
Mikulka, Vít ; Venclík, Jiří (referee) ; Mazůrek, Ivan (advisor)
This bachelor thesis deals with redesign of the compressor for electromotor driving. First part focuses on the principle of compressors, their development and division. The next part describes a compressor MK 100 produced by Benda kompresory Ltd. company. The technical solution of its redesign for 2,2kW electromotor propulsion with maintaining a rotation speed mode of original Honda engine is explained in the last part. This compressor should be used in its redesign version at FME BUT in Brno.
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