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TECHNICAL UNIVERSITY - SOFIA: Recent submissions

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Title: Модифициран метод на hough за разпознаване на обекти Author: Венков, Пенчо Георгиев; Venkov, Pentcho Georgiev; Каменова, Нина Петрова; Kamenova, Nina Petrova Date: 1995 Abstract: Some improvements of the classical Hough Transform Method (H.T.) for con¬tour segmentation have been introduced in order to save computational time and to preserve from the incorrect chaining and merging of collinear segments. A third diminution of the accumulator array in the parameter space contribute to store the extreme points of each ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Теоретични модели на биосензорни системи с различна ензимна кинетика Author: Нейков, Александър Нейков; Neykov, Alexander Neykov; Стоянов, Стоян Неделчев; Stoyanov, Stoyan Nedelchev; Георгиев, Цанко Петров; Georgiev, Tsanko Petrov; Костов, Йордан Вълчев; Kostov, Iordan Valchev Date: 1995 Abstract: In this paper six general analytical models for amperometric membrane biosensors are purposed and researched. Biosensors can work in steady-state mode with product- or cosubstrate-sensivity electrochemical sensor. An analysis of input-output functions is made and parameter influences is evaluated. The results are represented in graphics. ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Optimal design of channel distribution under uncertainty (A life insurance pricing example) Author: Sapundjiev, George Neshev; Сапунджиев, Георги Нешев; Handjijska, Katia; Ханджийска, Катя; Mincoff, Nikolai; Минков, Николай Date: 1995 Abstract: In this paper a fuzzy geometric programming (GP) based approach to the optimal design of channel distribution in life-insurance decision making is described. Volumes of sold life-insurance policies are independent variables of the model whereas price (premiums), advertising expenses and number of insurance agents are considered as dependent ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Качествен контрол чрез методи за разпознаване на образи и анализ на акустични сигнали Author: Гълъбов, Васил Тотев; Galabov, Vassil Totev; Маринов, Марин Беров; Marinov, Marin Berov Date: 1995 Abstract: The possibility for applying of pattern recognition and signal analysis methods is investigated in order to develop a quality control system for serial products through their classification on the base of the emitted acoustic noises in operation mode. From the time-domain analysis of these noises are detected such typical defects as ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Higher-order rational s-to-z transformations Author: Georgiev, Vladimir Ivanov; Георгиев, Владимир Иванов; Gurova, Elissaveta Vassileva; Гурова, Елисавета Василева Date: 1995 Abstract: A number of different s-z transformations either based on numerical integration methods or derived directly from the mapping function are considered. The transformations and their properties are compared on an uniform basis. A study of the relationship between the continuous-time and the discrete-time frequency, the stability region and the ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Алгоритми за диспечиране в системи за реално време Author: Мизхер, Уалид Казем; Mizher, Waleed Kasem; Патрашков, Румен Йорданов; Patrashkov, Rumen Jordanov Date: 1995 Abstract: В статията е направен опит да се обобщи състоянието на разработва¬ните алгоритми в системите за реално време. Дискутирани са четири постановки, подчертаващи подходите за диспечиране. Това са: статично-таблично управляемо диспечиране, статично диспечиране с прекъсване на приоритетите; динамично, пла¬нирано диспечиране; динамично с най-добър ефект диспечиране. Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Scheduling algorithms for real -time systems (2) Author: Mizher, Waleed Kasem; Мизхер, Уалид Казем; Patrashkov, Rumen Jordanov; Патрашков, Румен Йорданов Date: 1995 Abstract: In the first paper we summarized the state of the real-time field in the area of scheduling. Also we have categorized the state of the art into four paradigms are: static table- driven scheduling, static priority preemptive scheduling, dynamic planning-based scheduling and dynamic best effort scheduling. In this paper we will discuss these ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Модел и алгоритъм за определяне на семантичната структура на локативни наименования в български, полски и руски език Author: Виларова, Маргарита Димитрова; Vilarova, Margarita Dimitrova; Ангелов, Николай Петров; Angelov, Nikolai Petrov Date: 1995 Abstract: The structural semantic model for description of word group with a common lo¬cation indicating semantics was formulated based on a study of word-building types in common for three Slavonic languages (Bulgarian, Polish and Russian). Based upon a specific linguistic material, an algorithm and PC software were developed, by means of which a ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Съвременни проблеми на теорията на автоматичното управление Author: Томов, Илия Иванов; Tomov, Ilia Ivanov Date: 1995 Abstract: A brief review of the results of the automatic control theory is presented in the first part of the paper. The main part of the paper is devoted to the problems of control in the case of a priory uncertainty. The recent results of theory of robust and adaptive control systems and the directions of future investigations in this area are discussed. Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Синтез на cap с използуване на интервален метод Author: Пенев, Д. H .; Penev, D. N.; Колев, Л. В.; Kolev, L. V. Date: 1995 Abstract: Presently, there exist a number of methods for parametric synthesis of Unear control systems. Most of then are based on the assumption that all the parameters of the plant have fixed well-know values. In the present paper, use of interval approach is suggested for the parametric synthesis of control systems. An algorithm is developed for ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Критерий за робастна устойчивост на линейни вериги и системи Author: Колев, Любомир Варадинов; Kolev, lyubomir Varadinov Date: 1995 Abstract: A criterion (necessary and sufficient conditions) for robust stability of linear circuits (systems) with interval parameters is suggested, which is applicable to circuits described by their characteristic polynomial. It reduces to checking the inconsistency of a corresponding system of non-linear equalities and inequalities. An appropriate ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Подход на интервалния анализ и алгоритми за решаване на мрежови задачи и задачи на динамичното програмиране при параметрична неопределеност Author: Гатев, Гео Иванов; Gatev, Geo Ivanov Date: 1995 Abstract: Interval analysis approach and algorithms for solving network and dynamic programming problems under parametric uncertainty are presented. An appropriate metric is introduced on the set of all intervals and simple necessary a sufficient conditions for checking the relation < are proposed. The offered algorithms are more effective than the ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Изследване на формални модели на аристотелевата силогистика чрез компютърно моделиране Author: Янков, Боян Янков; Yankov, Boyan Yankov; Шойлев, Христо Захариев; Shoilev, Christo Zahariev Date: 1995 Abstract: The problems of computer modeling with Aristoteles Syllogismus is discuss in this paper. It is possible inference of the new knowledge make with different logic, classic and nonclassic (Russel, Frege, Luis). In this work is applied the operators of sententional logic and here is present the predicament of produce. Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Някои възможности за оптимизация на операциите в процесори за обработка на масиви от данни Author: Манолов, Петър Георгиев; Manoilov, Peter Georgiev Date: 1995 Abstract: The article investigates some possibilities for optimization of data operations in specialized integrated circuits, intended for design of array processors. The optimization work uses two methods - the method of vectorization and the method of pipelined execution of the program cycles. Examined are the operations of applied programs, executed ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Изследване на рекурсия и итерация в процедурното програмиране Author: Бонев, Стоян Бонев; Bonev, Stoyan Bonev Date: 1995 Abstract: Recursion and iteration as alternate approaches applied to procedure-oriented programming to solve a wide range of practical problems are compared. Different kinds of recursion and iteration as well as modes for their program implementation are under discussion. Space and time consumption characteristics for alternate solutions of four ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Невронно-размит модел и приложение в задачата за банков кредит Author: Трифонов, Румен Иванов; Trifonov, Roumen Ivanov Date: 1995 Abstract: A hybrid model, which is integration of two different directions of the Artificial Intelligence -neural networks and fuzzy systems, is presented. The cooperation of the both in one model aim to overcome the weaknesses of the particular paradigms and to give most potential possibilities for application. A hyrarchical system of back propagation ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Зависимост между вида на форманта и структурно- семантичното уравнение на производни лексеми с локативно значение в славянските езици Author: Виларова, Маргарита Димитрова; Vilarova, Margarita Dimitrova; Ангелов, Николай Петров; Angelov, Nikolai Petrov Date: 1995 Abstract: A correlation analysis based on a generalized structural-semantic model, was applied by the study of a differentiated word-building group of words, featuring location indication as a common semantic parameter, and having similar structures in the three Slavonic languages Bulgarian, Polish and Russian. The obtained results show the relationship ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Планиране на ресурсите в разпределени паралелни компютърни архитектури Author: Боровска, Пламенка Иванова; Borovska, Plamenka Ivanova Date: 1995 Abstract: This paper develops a new method for resource scheduling in distributed parallel computer architectures based on priority levels with communication costs minimization. The main goal is to achieve maximum performance of the parallel computer system of broad topological spectrum for various applications which is a combinatorial optimization ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Regular computer structures for fast solving of partial differential equations Author: Borovska, Plamenka Ivanova; Боровска, Пламенка Иванова Date: 1995 Abstract: In this paper an efficient 3-D systolic computer architecture of cube topology is presented for fast solving of partial differential equations (PDE’S). The main goal is to acocommodate the existing parallel versions of algorithms for solving PDE’s to the specific computation geometry of the nearest neighbor connectivity of the cube topology ... Library:
TECHNICAL UNIVERSITY - SOFIA
Title: Изследвания на въздушните потоци, обтичащи корпусите на металорежещите машини Author: Попов, Георги Тодоров; Popov, Georgi Todorov Date: 1995 Abstract: Experimental results concerning the velocity field of air flows blowing the body walls of machine tools at compulsory convection and discussed. Information is obtained about some aspects of an flows distribution and velocity field the researches provide a basis for mathematical description of the velocity field and creation of data base ... Library:
TECHNICAL UNIVERSITY - SOFIA