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Mechanical maintenance of rotating electrical machines
Smejkal, Pavel ; Synek, Miloš (referee) ; Pavlík, Josef (advisor)
This thesis deals with the mechanical maintenance of rotating electrical machines. It outlines the basic division of maintenance and its effects on the function and cost efficiency due to the type of maintenance. Main emphasis is placed on individual maintenance steps, which is done on the rotating electrical machines and then to determine their importance in relation to the causes of failures.
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Artificial Intelligence for Children of the Galaxy Computer Game
Šmejkal, Pavel ; Gemrot, Jakub (advisor) ; Trunda, Otakar (referee)
Even though artificial intelligence (AI) agents are now able to solve many classical games, in the field of computer strategy games, the AI opponents still leave much to be desired. In this work we tackle a problem of combat in strategy video games by adapting existing search approaches: Portfolio greedy search (PGS) and Monte-Carlo tree search (MCTS). We also introduce an improved version of MCTS called MCTS considering hit points (MCTS_HP). These methods are evaluated in context of a recently released 4X strategy game Children of the Galaxy. We implement a combat simulator for the game and a benchmarking framework where various AI approaches can be compared. We show that for small to medium combat MCTS methods are superior to PGS. In all scenarios MCTS_HP is equal or better than regular MCTS due to its better search guidance. In smaller scenarios MCTS_HP with only 100 millisecond time limit outperforms regular MCTS with 2 second time limit. By combining fast greedy search for large combats and more precise MCTS_HP for smaller scenarios a universal AI player can be created.
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Integrating Probabilistic Model for Detecting Opponent Strategies Into a Starcraft Bot
Šmejkal, Pavel ; Černý, Martin (advisor) ; Bída, Michal (referee)
Recent research in artificial intelligence (AI) for real time strategies (RTS) has shown a great need for a computer controlled agent (bot) to be able to adapt its strategy in response to opponent's actions. While some progress has been made in detecting opponent's strategies offline, there has not been much success in using this information to guide in-game decisions. We present a version of UAlbertaBot enhanced by existing probabilistic algorithm for supervised learning from replays and strategy prediction. Bot that adapts its strategies has proved to be superior to a random bot as we show in simulated StarCraft: Brood War AI tournament. Our work exposes the importance of scouting and strategy adaptation. By further improvement of strategies, a bot capable of competing with human players may be created.
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Mechanical maintenance of rotating electrical machines
Smejkal, Pavel ; Synek, Miloš (referee) ; Pavlík, Josef (advisor)
This thesis deals with the mechanical maintenance of rotating electrical machines. It outlines the basic division of maintenance and its effects on the function and cost efficiency due to the type of maintenance. Main emphasis is placed on individual maintenance steps, which is done on the rotating electrical machines and then to determine their importance in relation to the causes of failures.
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The impact of blackout on South Bohemia region
SMEJKAL, Pavel
The thesis is concerned in problem that can occure after a blackout. The South Bohemia region was chosen as the area of blackout impacts. The theoretical part of the work describes a critical infrastructure, whose part electrical energy is. It also learns about the electricity supply system in the Czech Republic and explains what is considered to be a blackout. The research is made in two levels. First there are processed baground researches of selected blackouts in the world and consequently the impacts of possible blackout in the South Bohemia are examined. The method of guided interview was used to make a questionnaire. The guided interviews were made with a few specialists. The questionnaire results are analysed and the possible consequences of blackout in the South Bohemia region are described. The main purpose of the work was ? The description of a blackout in the South Bohemia region?. The aim was fulfilled and a blackout in the South Bohemia region was described. The thesis worked with two hypothesis. The first one was ?A blackout strongly influences the population? a this hypothesis was proved by my research. The second hypothesis sounded ?Electrical energy is a strategical part of a critical infrastructure in the South Bohemia region?, and this hypothesis was also proved on basis of my results.
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