|
|
Specifics of Main Components of Simple Blanking Tool
Kašpar, Jaroslav ; Dvořák, Milan (referee) ; Peterková, Eva (advisor)
The thesis elaborated Specifics of Main Components of Simple Blanking Tool. The thesis is divided into 5 basic parts. The first part deals with the issue of cutting tools in general. The second one introduces a simple blanking tool. The third and most extensive part describes in detail the selected main components of blanking toll. The fourth part contains possible ways to increase the life of main components and the last part is summary of the most frequently used materials for these functional parts.
|
|
|
Error protection of data transmission using BCH Codes
Kašpar, Jaroslav ; Křivánek, Vítězslav (referee) ; Němec, Karel (advisor)
The thesis Data transmission error-protection with BCH codes deals with a large class of random-error correcting cyclic codes which are able to protect binary data and can be used for example in data storages, high speed modems. Bose, Chaudhuri and Hocquenghem (BCH) codes operate over algebraic structures called Galois fields. The BCH encoding is the same as cyclic encoding and can be done with linear feedback shift register but decoding is more complex and can be done with different algorithms - in this thesis there are two algorithms for decoding Peterson and Berlekam-Massey mentioned. The aim of this thesis is to find BCH code which is able to correct t = 6 independent errors in up to data sequence n = 150 bits, then peruse possible realizations of the codecs and set criteria for the best realization, then design and test this realization. This thesis is split into three main parts. In the first part there are encoding and decoding methods of the BCH code generally described. The second part deals with selecting of the right code and realization. There was chosen BCH (63,30) code and realization with FPGA chip. In the last part is described design of BCH encoder and decoder and compilation in the Altera design software.
|
|
|
Production concept of bracket
Kašpar, Jaroslav ; Peterková, Eva (referee) ; Císařová, Michaela (advisor)
The thesis deals with the production concept of the bracket for fixing the drying frame. The component is made of 11 343 steel. The semi-finished product is galvanized sheet with 2 mm thickness. With regard to the required quality of the component and the yearly production quantity (40,000 pieces), a new production technology was chosen based on a literary study by means of conventional shearing in a tool, followed by bending on a press brake. For the selected technologies, technological calculations and a cutting tool were designed, which are dealt with in the drawing documentation. The work also includes technical-economic evalua-tion of the proposed production method.
|
|
|
Production concept of bracket
Kašpar, Jaroslav ; Peterková, Eva (referee) ; Císařová, Michaela (advisor)
The thesis deals with the production concept of the bracket for fixing the drying frame. The component is made of 11 343 steel. The semi-finished product is galvanized sheet with 2 mm thickness. With regard to the required quality of the component and the yearly production quantity (40,000 pieces), a new production technology was chosen based on a literary study by means of conventional shearing in a tool, followed by bending on a press brake. For the selected technologies, technological calculations and a cutting tool were designed, which are dealt with in the drawing documentation. The work also includes technical-economic evalua-tion of the proposed production method.
|
|
|
Specifics of Main Components of Simple Blanking Tool
Kašpar, Jaroslav ; Dvořák, Milan (referee) ; Peterková, Eva (advisor)
The thesis elaborated Specifics of Main Components of Simple Blanking Tool. The thesis is divided into 5 basic parts. The first part deals with the issue of cutting tools in general. The second one introduces a simple blanking tool. The third and most extensive part describes in detail the selected main components of blanking toll. The fourth part contains possible ways to increase the life of main components and the last part is summary of the most frequently used materials for these functional parts.
|
|
|
Error protection of data transmission using BCH Codes
Kašpar, Jaroslav ; Křivánek, Vítězslav (referee) ; Němec, Karel (advisor)
The thesis Data transmission error-protection with BCH codes deals with a large class of random-error correcting cyclic codes which are able to protect binary data and can be used for example in data storages, high speed modems. Bose, Chaudhuri and Hocquenghem (BCH) codes operate over algebraic structures called Galois fields. The BCH encoding is the same as cyclic encoding and can be done with linear feedback shift register but decoding is more complex and can be done with different algorithms - in this thesis there are two algorithms for decoding Peterson and Berlekam-Massey mentioned. The aim of this thesis is to find BCH code which is able to correct t = 6 independent errors in up to data sequence n = 150 bits, then peruse possible realizations of the codecs and set criteria for the best realization, then design and test this realization. This thesis is split into three main parts. In the first part there are encoding and decoding methods of the BCH code generally described. The second part deals with selecting of the right code and realization. There was chosen BCH (63,30) code and realization with FPGA chip. In the last part is described design of BCH encoder and decoder and compilation in the Altera design software.
|
guest ::
RSS feed.