SCIDAR - Дигитална архива Универзитета у Крагујевцу
University of Kragujevac Почетна страница заједнице
Најновији Поднесци
Morphological segmentation of wear zones on cutting inserts for tool condition monitoring
This paper presents a low-cost, vision-based model for detecting and segmenting wear zones on cutting inserts. The system integrates a Vividia 2.0 MP handheld USB microscope with a MATLAB-based algorithm to enable automatic image segmentation. A total of 250 images were collected during machining on a CNC lathe (TCN 410-1250, SINUMERIK 840D), under controlled laboratory conditions, covering various wear states. The model includes pre-processing, morphological segmentation, visualization, and ...
This paper presents a low-cost, vision-based model for detecting and segmenting wear zones on cutting inserts. The system integrates a Vividia 2.0 MP handheld USB microscope with a MATLAB-based algorithm to enable automatic image segmentation. A total of 250 images were collected during machining on a CNC lathe (TCN 410-1250, SINUMERIK 840D), under controlled laboratory conditions, covering various wear states. The model includes pre-processing, morphological segmentation, visualization, and ...
Analysis of potential energy retrofit measures for an existing educational building
This paper analyzes energy retrofit measures for a preschool facility in the city of Kragujevac, with the aim of improving the building’s energy efficiency and achieving significant energy savings, while simultaneously meeting all necessary requirements specific to such institutions. Various approaches were studied, including the application of thermal insulation, replacement of exterior windows and doors, installation of underfloor heating systems, as well as the integration of ventilation s...
This paper analyzes energy retrofit measures for a preschool facility in the city of Kragujevac, with the aim of improving the building’s energy efficiency and achieving significant energy savings, while simultaneously meeting all necessary requirements specific to such institutions. Various approaches were studied, including the application of thermal insulation, replacement of exterior windows and doors, installation of underfloor heating systems, as well as the integration of ventilation s...
APPLICATION OF OPTIMIZATION ALGORITHMS IN FIRE PROTECTION SYSTEMS
The paper discusses the problem of improving fire protection systems in operation or systems in the design phase by applying biologically inspired optimization algorithms. The application of various optimization algorithms is analyzed to improve the efficiency and performance of fire protection systems in terms of timely detection and localization of fires. Examples of optimization of various fire extinguishing systems are considered, such as stable fire suppression systems with water, smoke,...
The paper discusses the problem of improving fire protection systems in operation or systems in the design phase by applying biologically inspired optimization algorithms. The application of various optimization algorithms is analyzed to improve the efficiency and performance of fire protection systems in terms of timely detection and localization of fires. Examples of optimization of various fire extinguishing systems are considered, such as stable fire suppression systems with water, smoke,...
THE SIGNIFICANCE OF NON-DESTRUCTIVE TESTING OF CRANE LIFTING EQUIPMENT
Regular inspection and verification of lifting equipment is major to ensure the safe use of equipment. The inspection includes: visual inspection, dimensional testing, functional tests, equipment disassembly, electrical testing, and non-destructive testing (NDT). Materials that are used in the production of lifting equipment are liable to wear, deformations, cracks, and damage. Material fatigue or corrosion cracks are undetectable through visual inspection or disassembly, due to their charact...
Regular inspection and verification of lifting equipment is major to ensure the safe use of equipment. The inspection includes: visual inspection, dimensional testing, functional tests, equipment disassembly, electrical testing, and non-destructive testing (NDT). Materials that are used in the production of lifting equipment are liable to wear, deformations, cracks, and damage. Material fatigue or corrosion cracks are undetectable through visual inspection or disassembly, due to their charact...
SAFETY AT WORK WHEN WORKING WITH THE MACHINE FOR LASER METAL CUTTING
Modern manufacturing often requires extreme precision on extremely tough materials. Although laser cutting machines have brought certain improvements in terms of quality and productivity, at the same time, certain dangers and harms have emerged when using them. All potential dangers and hazards related to using the machine are listed in this paper. By applying the Kinney method, a risk assessment was carried out for the workplace of an operator who handles a laser cutting machine.
Modern manufacturing often requires extreme precision on extremely tough materials. Although laser cutting machines have brought certain improvements in terms of quality and productivity, at the same time, certain dangers and harms have emerged when using them. All potential dangers and hazards related to using the machine are listed in this paper. By applying the Kinney method, a risk assessment was carried out for the workplace of an operator who handles a laser cutting machine.
ASSESSING THE CHEMISTRY EDUCATIONAL OUTCOMES USING DIGITAL ESCAPE ROOM. ANALYSIS OF GRAMMAR SCHOOL STUDENTS' ACHIEVEMENTS
Evaluating students' achievements is one of the key aspects of education, providing insights into learning effectiveness. In this context, digital tools have emerged as innovative assessment methods, enhancing both students' engagement and the accuracy of knowledge evaluation. The aim of this research was to examine the level of grammar school students' chemistry educational outcomes, through an innovative and interactive teaching tool. In order to ascertain the level of accomplished learning...
Evaluating students' achievements is one of the key aspects of education, providing insights into learning effectiveness. In this context, digital tools have emerged as innovative assessment methods, enhancing both students' engagement and the accuracy of knowledge evaluation. The aim of this research was to examine the level of grammar school students' chemistry educational outcomes, through an innovative and interactive teaching tool. In order to ascertain the level of accomplished learning...
Pragmatics of Metaphor: a Full Circle
In this paper we explore the pragmatic treatment of metaphoric expressions since the very onset of pragmatics as a linguistic discipline. We shall firstly present the Gricean approach – the implicature analysis, long since abandoned but still relevant in recent cognitive-inferential studies. Following the modified implicature analysis, the two current approaches will be explored – explicature analysis and modified explicature analysis. However, special attention will be dedicated to those asp...
In this paper we explore the pragmatic treatment of metaphoric expressions since the very onset of pragmatics as a linguistic discipline. We shall firstly present the Gricean approach – the implicature analysis, long since abandoned but still relevant in recent cognitive-inferential studies. Following the modified implicature analysis, the two current approaches will be explored – explicature analysis and modified explicature analysis. However, special attention will be dedicated to those asp...
The Role Of The L2 Motivational Self System in Predicting EFL Learners’ Willingness to Communicate
Denoting learners’ predisposition to initiate and maintain communication in the target language, the concept of willingness to communicate with others in a foreign language (L2 WTC) is one of the core components of language learning and the primary objective of language teaching. Previous studies have explored various concepts as potential correlates or predictors of this dimension, including language anxiety, learning styles, motivation, etc. This study aimed to determine the role of the L2 ...
Denoting learners’ predisposition to initiate and maintain communication in the target language, the concept of willingness to communicate with others in a foreign language (L2 WTC) is one of the core components of language learning and the primary objective of language teaching. Previous studies have explored various concepts as potential correlates or predictors of this dimension, including language anxiety, learning styles, motivation, etc. This study aimed to determine the role of the L2 ...
I to, pa to i sve to, ili Eliptično o Elipsama Vladimira B. Perića
The figures of travel and wandering, of the poet’s quests around the ellipse-shaped world, the need for language and the other, for a poem and for life, are discussed in this paper. The notions such as the inner uehal and the life-in-spreading are established, both of which broaden the horizon of a poetic exchange and endeavor to reach those elements of the poetic act related to the act of living itself which is now under the altermodernistic key. The reading of the of poems flows by forming...
The figures of travel and wandering, of the poet’s quests around the ellipse-shaped world, the need for language and the other, for a poem and for life, are discussed in this paper. The notions such as the inner uehal and the life-in-spreading are established, both of which broaden the horizon of a poetic exchange and endeavor to reach those elements of the poetic act related to the act of living itself which is now under the altermodernistic key. The reading of the of poems flows by forming...
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