The current work aims at offering a new, ontology-based approach for organizing and retrieving the information about the educational offer and the activity of the department of automaticcontrol of the faculty of Auto...
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(纸本)9789898425775
The current work aims at offering a new, ontology-based approach for organizing and retrieving the information about the educational offer and the activity of the department of automaticcontrol of the faculty of automaticcontrol and computerscience at the University Politehnica of Bucharest. The project is divided into 2 main phases. The first phase consists of creating an ontology which contains information about the disciplines, the teachers, the teaching resources, the research and publication activity in our faculty, while the second phase consists of developing an application for exploring and querying this ontology in a controlled natural language.
The extraction and representation of information from volume data are important research avenues in computer-based visualization. The interpretation of three- or multi-dimensional data from various scanning devices is...
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Based on literature review and measurements performed on electric power stations which considered adjusted acoustic pressure level, generated during operation of high power transformer units with integrated on load ta...
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The subject area regards realization of scientific research works considering technical condition estimation of electric power transformer cores based on vibroacoustic measurements performed during their normal operat...
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The development of electronic technology today has allowed the implementation of complex architectures, which led to the emergence of multicore processors technology. Multicore architectures are built from superscalar...
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The architecture proposals of a Watchdog software for the IP PBX monitoring are designed in this paper. IP PBX contains two main applications which interact between them: Common Media Server and IpSmallOffice. Common ...
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The architecture proposals of a Watchdog software for the IP PBX monitoring are designed in this paper. IP PBX contains two main applications which interact between them: Common Media Server and IpSmallOffice. Common Media Server provides VoIP codec capabilities, and IpSmallOffice is the main application running on a Linux PC, controls the phone calls and provides IP telephony switching. The Watchdog is a stand-alone application and it needs a configuration file to read the data about the processes it monitors. Moreover, this application will be demonized and is added to start at system startup.
This paper describes a scientific approach for controlling a transport system integrated in a manufacturing cell using a single programmable logical controller (PLC). A special data structure has been developed to gai...
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This paper describes a scientific approach for controlling a transport system integrated in a manufacturing cell using a single programmable logical controller (PLC). A special data structure has been developed to gain easy access and manage the pallets processed in four working stations of cell. There have been designed complex communication protocols in order to allow PLC - robot interaction, protocols that use both digital I/O lines and TCP/IP.
This paper presents analysis of components tolerance influence on fault diagnosis efficiency of analog electronic circuits. There has been proposed method of finding optimal frequency of input periodic excitation with...
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This paper presents analysis of components tolerance influence on fault diagnosis efficiency of analog electronic circuits. There has been proposed method of finding optimal frequency of input periodic excitation with simultaneous maximization of components tolerances in order to keep assumed level of diagnosis efficiency. There has been also proposed departure from classical “location after detection” schema. Combination of detection and location in a single step can remarkably shorten diagnosis time. The optimization process involves genetic algorithm.
In 2005 an integrated blended e-learning service based on Moodle Learning Management System (LMS), was introduced in Silesian University of Technology, Gliwice, Poland. Review of LMS content shows that some courses co...
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In 2005 an integrated blended e-learning service based on Moodle Learning Management System (LMS), was introduced in Silesian University of Technology, Gliwice, Poland. Review of LMS content shows that some courses contain insufficient number of components, and in many cases the quality of resources is poor. The goal of our research was to identify why some teachers are reluctant to utilize LMS. A survey was carried out in order to examine to what extent teachers accept and make use of various LMS elements. Teachers were also asked to indicate main barriers to LMS-based teaching and present their comments on perspectives of blended learning. Several figures, charts and comments resulting from the survey are presented in the paper. The main obstacles were identified and the suggestions how to eliminate them are presented in the paper.
The enormous number of advantages of minimally invasive surgery leads to the development of computer systems that are helpful tools during laparoscopic operations. In the paper a liver deformation model has been propo...
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The enormous number of advantages of minimally invasive surgery leads to the development of computer systems that are helpful tools during laparoscopic operations. In the paper a liver deformation model has been proposed including the shape deflection of the liver surface while inserting a tool into the organ and extracting it. The model is an answer to the need of better visualization during endoscopic surgery. The desired solution to this issue should be both fast and accurate. The existing solutions to the problem of internal organ deformation were briefly presented. The proposed model is an extension of previously introduced liver deflection models which have been enriched by calculating the shape of liver surface after breaking the organ structure. The main assumptions of the model have been specified. Essential mathematical transformations have been discussed. The correctness of the new model has been verified using US images of a liver while pushing and pulling a laparoscopic tool inside the organ. Pictures included in the paper enable the visual comparison of the real deformation with the one calculated using the new model.
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