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Software Controller for OpenWrt Based Wi-Fi Access Points
Jašíček, Petr ; Krajsa, Ondřej (referee) ; Ilgner, Petr (advisor)
The aim of this thesis was to create a web application used for centralized management and configuration of wireless networks on access points running on OpenWrt distribution. The reader is acquainted with common principles of wireless networks including description of existing solutions for their centralized management. After that the thesis introduces the reader to OpenWrt distribution and to a method of its configuration using UCI model. The reader is then introduced to the main technologies used in this thesis. Author further describes architecture, user interface and implementation of the web application. The created web application is platform agnostic and provides easy way to manage and configure access points with OpenWrt distribution.
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Hardness measurement of metal materials
Trčka, Tomáš ; Kandus, Bohumil (referee) ; Podaný, Kamil (advisor)
The hardness is the mechanical property of each metal material that affects his behaviour. There are many methods of measurement. Each method has its advantages, shortcomings and possibilities of use. The best known tests are according to Brinell, Vickers and Rockwell. The newer methods with portable hardness tester are UCI, TIV and the dynamic method by Leeb. The tests are carried out by mechanical pressure load using the impact body (indenter) of the harder material than the test material. The experimental measurement was executed on the three types of cutting inserts with different nominal hardness made from cemented carbides using the Vickers method with the load of 10 kp and 30 kp. The highest value of hardness was measured on the cutting insert SMG02 - 1988 HV10.
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Software Controller for OpenWrt Based Wi-Fi Access Points
Jašíček, Petr ; Krajsa, Ondřej (referee) ; Ilgner, Petr (advisor)
The aim of this thesis was to create a web application used for centralized management and configuration of wireless networks on access points running on OpenWrt distribution. The reader is acquainted with common principles of wireless networks including description of existing solutions for their centralized management. After that the thesis introduces the reader to OpenWrt distribution and to a method of its configuration using UCI model. The reader is then introduced to the main technologies used in this thesis. Author further describes architecture, user interface and implementation of the web application. The created web application is platform agnostic and provides easy way to manage and configure access points with OpenWrt distribution.
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Hardness measurement of metal materials
Trčka, Tomáš ; Kandus, Bohumil (referee) ; Podaný, Kamil (advisor)
The hardness is the mechanical property of each metal material that affects his behaviour. There are many methods of measurement. Each method has its advantages, shortcomings and possibilities of use. The best known tests are according to Brinell, Vickers and Rockwell. The newer methods with portable hardness tester are UCI, TIV and the dynamic method by Leeb. The tests are carried out by mechanical pressure load using the impact body (indenter) of the harder material than the test material. The experimental measurement was executed on the three types of cutting inserts with different nominal hardness made from cemented carbides using the Vickers method with the load of 10 kp and 30 kp. The highest value of hardness was measured on the cutting insert SMG02 - 1988 HV10.
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Measurement of material hardness focused on metallic materials by dynamic method and using mobile hardness tester DHT-100
KOCH, Karel
During introduction this work describes dynamic method of hardness measurement particularly with focus on DHT-100 hardness tester. In the next part, history and development of hardness testing is being mentioned. Practical part of this work is dedicated to comparison of dynamic method with other known methods of hardness testing. Aim of this work was also to create work instructions for usage and measurements done by DHT-100 hardness tester. The work instructions are being described and introduced in practical part as well.
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