TECHNICAL UNIVERSITY - SOFIA: Recent submissions

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    Title: A midi driver for the Linux kernel - methods of beta-testing  Author: Georgiev, Luchezar Il. Date: 1994 Abstract: The ISA bus i386/486 IBM PC/AT based Roland MPU-401 compatible board Linux kernel driver beta testing methods are discussed. The driver has been written by Michael B. Durian for several Unix clones (BSD/386, 386BSD, NetBSD, Linux, SVR4). The Linux version has been brought to life by L.Georgiev (Bulgaria). R.Jaeger (Germany) and M.Durian ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Многозадачна операционна среда за работа в реално време за IBM РС/ХТ/АТ/386/486 в системи за автоматизация на производствени процеси  Author: Георгиев, Георги Любомиров; Иванова, Стоянка Маринова Date: 1994 Abstract: A multitasking real-time processing for IBM PC XT/AT/386/486 is presented here. The configurable software architecture contains application software functions for workstations. There are several types of software units: animation in real-time, animation of process control history, operating interventions through the conventional editor, ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Диалект на език за визуално програмиране  Author: Стоянова, Р. Date: 1994 Abstract: В статията са описани резултатите от разработката на подсъвкупност на език за визуално програмиране (ЕВП). Анализирани са използваните подходи и модели за изгралкдане на подобни езици и системи. Дадено е примерно описание на диалект на ЕВП. Предложена е процедура за синтактичен анализ на изразите в ЕВП. Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: An analysis of the structure and a method of programming for array processors  Author: Manoilov, Peter; Egorov, Aleksei Date: 1994 Abstract: The designers of systems for high-speed computations (in digital signal processing. 3D computer graphics and animation, research work etc) need higher performance than standard microcomputer parts can deliver. The required precision and speed support has been supplied in microcomputers by specialized array processors with dedicated VLSI ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Parallel finite element method for contaminant migration analysis  Author: Stoykov, Vassil Date: 1994 Abstract: Most currently available finite element packages are the result of developments spread over a number of years. FEM packages consist of many thousands of lines of code usually written in FORTRAN for serial machines. Since the method requires very large amounts of both numerical and nonnumerical resources, in recent years some of the existing ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Decision support system for reconstruction of 3D objects by planar regularities  Author: Ivanov, Nikolay; Sirakov, Nikolay; Muge, Fernando H. Date: 1994 Abstract: In many cases, the problem of image processing, and reconstruction plays a significant role in many different areas of investigation. In order to achieve a better performance in such kind of problem solving, in this paper a small decision support system (DSS) for reconstruction of 3D objects using planar cross sections is described. The ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: An object oriented approach to construct a virtual reality model  Author: Stoyanova, Radmila Date: 1994 Abstract: The paper presents the results from the analysis of investigations for the modelling of computer virtual reality. This analysis serves as a basis for creating a model of virtual reality, composed of objects and laws that govern them. The model is produced as a hierarchy of extendible alternative environments with techniques provided by ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Microcontroller-based relay protection of electric drives  Author: Mircevski, Slobodan A.; Andonov, Dragan; Andonov, Zdravko; Sajnovski, Drago Date: 1994 Abstract: This paper presents the development strategy of microcontrollcr- based protective devices for electric drives. A model for PROteclion of MOTor drives (PROMOT), based on microcontrollers, is proposed. The functions for measurement and protection are outlined and the protection algorithm is described. Reflecting the systematization of the ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Program-package for automatic control system simulation in thermal power plants  Author: Fustik, Vangel; Bosevski, Tome Date: 1994 Abstract: The modem development of the thermal power parts and their role in the power system, emphasizes the importance of complete process understanding. A number of tasks which appear during dynamic operation have to be solved. The control system has remarkable influence on the quality of the economical operator, as well as on the safety and ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: An off-line procedure for identification of controlled ARMA process under initial information restriction  Author: Vasilev, Tihomir Pelov Date: 1994 Abstract: One-shot process dynamics identification procedure is presented. It is assumed that generalized ARMA model adequately describes the process under consideration. Two questions have been addressed The first deals with an easy-to-implement algorithm for titling the optimal model structure by utilizing the repeated ordinary Least-Squares. The ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Solving system for the control theory problems in nonlinear non-stationary case - MACTEP  Author: Podchukayev, V.A.; Naumov, E.V. Date: 1994 Abstract: The article is dedicated to the conception of constructing the "Workstation or designer of automatic control system hard ware/software complex"[1] and includes the following subsystems of draft and technological automatical projecting Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Knowledge - base for engineering design of electronic digital filters  Author: Mollova, Gergana Stoycheva Date: 1994 Abstract: A knowledge base, consisting of topological circuit structures and computational procedures is discussed. It is intended for computer-aided design of recursive digital filters. This knowledge base is an inherent part of a program system for engineering use. The data-transfer between the knowledge base unit and the other units of the system ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: C - Realization of a real-to-complex conversion structure for radar signals  Author: Tchamova, Albena Plamenova Date: 1994 Abstract: Complex signals are discussed in digital signal processing for several reasons. In some cases the required processing can be made more efficiently using such kind of signal representation, in other cases the envelop, or phase of considered signal are of interest and it is suitable to extract them from complex data. It is a problem, closely ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Speeding up test generation for combinational digital circuits using transformations  Author: Roussev, Borislav Nickolov Date: 1994 Abstract: The theoretical study of Ibarra and Sahni [1] shows that test generation for combinational circuits is an NP-complete problem. The aim of the paper is to speed up the test generation for combinational circuits. The present exploration is inspired by the theory of Petri Nets [2]. A number of NP-complete analysis techniques for Place/transition ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Self-checking implementation of Boolean interpreted Petri nets  Author: Roussev, Borislav Nickolov Date: 1994 Abstract: This paper presents a technique of constructing a self-checking synchronous implementation of a Boolean Interpreted Petri Net. The validated Petri net specification is modeled with a circuit that automatically detects faults visible at Petri net level. The so called direct approach is used in modeling Petri nets by hardware. The faults that ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Fault simulators analysis using fault models refinement  Author: Georgicv, Ilia K. Date: 1994 Abstract: The main goal of this research activity is to estimate the matching between fault simulation methods and the need of fault models refinement. Long run times of exhausting simulation has been overcome by several methods: parallel, deduction, concurrent simulation, statistical simulation, hardware acceleration, etc. All these speeding-up ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: A study of the parallelism in some simulation algorithms for analog circuits and digital filters  Author: Konstantinova, Pavlina Dimitrova; Djerassi, Emanuil Nisim; Gadzheva, Elisaveta Dimitrova Date: 1994 Abstract: The basic analyses used for computer aided simulation of electronic circuits are frequency analysis, direct current analysis (DC) and transient analysis. Sensitivity analysis and symbolic analysis are also widely used. The requirements to the efficiency of all these kinds of analysis constantly increase and one of the ways to meet them is ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Industrial development officer engineering industries branch united nations industrial development organization  Author: Sratravko, Victor Date: 1994 Abstract: A mould or die design always starts from a product design This is inevitable since the product to be manufactured is the basis of the tool to be used for that purpose. Relevant production information such as material, producton volume, application and- strength, should be available. The design should facilitate uncomplicated production By ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Development of CAD - CAM system in "ELTOS" - JSC  Author: Radev, Ljobomir G. Date: 1994 Abstract: The company has been founded about 20 years ago, and its production was based on AEG technology. During the recent years, as a reply to the requirements of the international markets, the company has orientated its activity to smaller production series and wider range of products. A CAD - CAM system aiming to establish the unity between the ... Library:
    TECHNICAL UNIVERSITY - SOFIA
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    Title: Information systems technology: changes through the De CADES  Author: Mateev, Plamen Date: 1994 Abstract: The 1900e have emerged as a decade of radically changing business systems technology. Change, however, is not a new challenge of the 1990s. Businesses have faced evolutionary changes in information systems technology for over 40 years. In fact, there have been five eras of business computing Library:
    TECHNICAL UNIVERSITY - SOFIA

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