Daniela Popescu

Daniela Popescu
Technical University of Cluj-Napoca | UT Cluj ·  Competitive Engineering in Design and Development Laboratory

Doctor of Engineering

About

60
Publications
21,600
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354
Citations
Additional affiliations
October 1987 - present
Technical University of Cluj-Napoca
Position
  • Dean, Faculty of Machine Building

Publications

Publications (60)
Chapter
Existing gaps in public policies related to the economy with low carbon emissions present an increased interest for analysis at the present time. There are still citizens and countries who are not familiar with this significant problem, but at the same time authorities and researchers are trying to raise awareness among the population and offer sup...
Article
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The article presents a complete approach for the wood industry for assessing the state of circular economy adoption by companies. A methodology for achieving this purpose is proposed and then implemented with the help of a specific questionnaire. The study is based on a literature survey with two components, one relating to reports on the concept o...
Conference Paper
Current influences such as the Corona pandemic, war in Ukraine and the resulting energy crisis, delivery and supply bottlenecks, and climate change are calling on the state, society, and business to deliver cooperative and sustainable concepts in response. In addition to developments in the areas of demography and decarbonization, in particular pot...
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The digital twin solution is an industry 4.0 specific tool that has grown in the past decade, stemming from the modelling and simulation approaches that existed before, complemented by new sensor capabilities, cloud processing, big data analytics, and implementation mechanisms. As it is being used mostly in the present by manufacturing companies, t...
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Increasing volatility and product individualization are leading to higher complexity in manual assembly. At the same time, production and processes must become more flexible, and humans have to adapt to new products more often and even faster. Industry 5.0 will increasingly focus on human-centric approaches, on the collaboration of humans and machi...
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This paper represents the focus on developing efficient algorithms that reduce the operations required to be employed in order to obtain complex surfaces milling finishing toolpaths for the three axis NC (Numerical Control) machine within the reverse engineering chain of processes. Direct machining is the process of generating efficient toolpaths d...
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The wooden churches from Transylvania, Romania, are a unique and representative cultural heritage asset for rural communities, both in terms of architecture and the style of painting that defines them as monuments of national heritage. These churches are in danger of degradation because rural communities are beginning to abandon them for various mo...
Chapter
This article discusses the possibilities of evolving technology transfer and knowledge transfer frameworks and entities in Romanian universities into improved and competitive technology commercialization outlets that will better serve the community and the taxpayers with concrete solutions to boost economic competitiveness and social development. A...
Article
The process of documenting cultural heritage digitally has emerged with the recent technological developments. One of the direct consequences of using digital devices to promote cultural heritage is to educate the end-users and to exceed their initial expectations regarding their interaction and engagement with cultural heritage assets. Creativity...
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Our working world is on the threshold of a new era: The digital transformation of entire economic sectors and occupational profiles as well as the introduction of new forms of human-machine collaboration through the increased use of big data and cognitive systems require completely new approaches. The key to success in coping with this change, whic...
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Daily life in today’s dynamic world requires fast adaptation of people’s behavior to new challenges emerged from environmental, health, urban housing, transportation, etc. problems. A strong and complex tool in changing behaviors, education consumes significant resources and requires time for effective impact. The present study proposes a roadmap,...
Chapter
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The world of standardized management systems is traversing exciting changes with the publishing of the long-awaited ISO standard for occupational health and safety, ISO 45001. It comes to join ISO 9001 and ISO 14001 to form a trio of highly compatible best practice references of interest for many companies that want to become more competitive, espe...
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The rapid development of digital technologies leads to dramatic changes of our economies and societies – and these are quite far-reaching. Technological progress especially in the field of artificial intelligence (AI) and robotics, big data and business analytics, as well as augmented and virtual reality are providing a total digital connectivity a...
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The Exoskeleton represents a promising technology to equip manufacturing workplaces characterized by poor ergonomics, safety and security. Before this technology can be experimented and employed in operational manufacturing environments, the benefits should be highlighted in digital world at the holistic, process, workplace, line and production are...
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The innovation process is a sequence of activities that carry out a company’s management to produce new products and services for marketing. At the same time, the category of innovation processes includes, market expansion activities, and improvement of: supply functionality, production processes, equipment maintenance, distribution channels, servi...
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One of the most beautiful elements of cultural heritage in Romanian villages is the Transylvanian wooden churches. Unfortunately, these heritage elements have experienced considerable deterioration. This paper presents the results of a project whose main goal was the scientific investigation of the Imperial Gates belonging to the wooden church in S...
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The present study highlights a methodology to approach complex decision-making regarding manufacturing systems upgrading in the furniture industry, with application for an innovative company that has developed a smart product concept. The relationship between intelligent products and intelligent production is addressed from the point of view of exi...
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Part of an indestructible component of any orthodox church, the Imperial Gates represent an important symbol in our cultural heritage. But in many cases the Imperial Gates from the wooden churches were damaged. In order to preserve and restore them, the scientific investigations of the Imperial Gate belonging to Nicula Monastery wooden church were...
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The European manufacturing sectors have to face the challenge of workplace safety and security representing costs up to 4% of GNP. A user-friendly and cooperative human-robotic exoskeleton for manual handling work can represent a possible innovative solution. For highlighting and revealing the benefits of human-robotic exoskeleton, represented by i...
Conference Paper
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The performance of any image recognition method used in computer based vision is primary related to the image quality. While the Koson coin images previously captured by the National Museum of Romanian History staff are perfectly adequate for human interpretation, the variability of pixel intensity values generates inconsistent results when machine...
Conference Paper
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The employment of the Exoskeleton in factories represents an innovative idea for handling the problems such as decreasing the employment rate, manual handling of heavy parts and safety and security at workplace. This paper mainly focuses on modelling methodology for coupling the active and passive Exoskeleton on standard digital humanoid. The curre...
Article
The paper presents a medical parallel robot (BR-1), designed for the minimally invasive, targeted, treatment of cancer through brachytherapy. The analysis of Jacobi matrices allows a complete study of the singularities while generating also a set of conditions which, implemented in the control system, enable the safe behaviour of the robot. Brachyt...
Article
Reverse engineering process has been demonstrated to be reliable solution in solving problems regarding missing information and/or details referred to the functional areas of parts. Based on the specific activities of the chain of processes that defines the reverse engineering concept it can be collected essential information in order to reconstitu...
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The paper presents a tool path generation methodology for roughing operation based on the oriented graph theory. The cutting areas are identified using an original method that is based on a bicolor and binary map. The toolpath is generated using the searching Dijkstra algorithm inside a graph in order to find the single-source shortest path. The me...
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The paper presents the redesigning process of a plastic component named "safety ring" that is a part of the protection system of the hydraulic cylinder of an office chair. The main objectives of the redesigning process were to reduce the weight of the workpiece and increase the clamping strength in assembly between "safety ring" and the first segme...
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This paper presents a methodology for the simulation and optimization in a virtual environment of a manual assembly process. For validation of the methodology the authors chose an assembly process that is already used in the manufacturing industry. In the first step of the proposed methodology the existing process is simulated and then based on the...
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The Kosons are ancient gold coins categorized as treasury coins which were not exchanged in commercial trades. This specific particularity of the Kosons enables scientists to use image processing techniques in the classification and authentication work. Because this type of coins have no signs of wear specific to a long time of circulation, it is n...
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Any form of use of virtual reality or augmented reality in history and archaeology is based on 3D digitized models that are obtained in various ways (3D modeling, 3D scanning, photogrammetry, etc.). These represent virtual replicas of real artifacts/monuments. In the authors’ vision, a digital artifact is represented by the digitized form of a hist...
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This paper presents an original approach in the virtual reconstruction of destroyed ancient monument types which have no similarities to other standing monuments, or documentation about the design of these constructions. In this case the virtual reconstruction is a challenging act, which can be done using a large variety of designs. These designs m...
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The present paper presents a model for using CAD soft-ware and reverse engineering methods for the reconstruc-tion of ceramic vessels, as part of the larger field of digital archeology. The case study focuses on the reconstruction of a specific Dacian pottery, namely the "chiup", used for storing food ad liquids, and the proposed reconstruction met...
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Every product has to respond to certain needs with the relative special requests. Both needs and requirements are expressed specifically by customers or users. People with special needs represent a continuously growing part of the population of modern world. Products that satisfy the special needs and requirements of these new market niche so that...
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The autonomous guided robots are one of the greatest challenges for the robotics industry, having a considerable impact for current research and future applications. Despite the level of existing technology, at least for now, all the efforts were driven towards other robotic fields and due to this fact, the progress for this zone is not very specta...
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The main objective of the project described in this paper was the development of a semi-autonomous mobile robot capable of exploring various outdoor environments by using the LEGO® MindstormsTM NXT educational platform along with other several low-cost components (GPS receiver unit, digital compass and a wireless enabled Pocket PC). The robot auton...
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The reverse engineering process has been used in the last years in different industrial applications in order to reproduce existing parts on many accounts. A specific feature of the process is getting the CAD model of the existing part based on the digitized data that results from the 3D scanning processes. The digitized data are represented throug...
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Due to the continuously expanding group of the elderly, governments and special organizations of the developed countries show permanent attention to these matters, in ways of developing new architectural and social regulations to offer each of these people the possibility to live an independent life. The relationship between the abilities of the in...
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Generically included in the digital archeology domain, the present research applies reverse engineering techniques for the recognition and reproduction of inscriptions on historical artifacts. The artifacts may belong to different cultures or civilizations and can have different sizes, shapes and inscriptions. As research support framework the lase...
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This paper aims to mark some of the possible applications of the engineering CAD software in the field of archeology. The archaeological information, which is usually stored in classical format, can be digitized in 3D by using CAD software. The result of this process can be used for multiple purposes: conservation, dissemination, research, etc.
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The paper proposes a method for the reconstruction of Dacian ceramic vessels, named "chiup". These were used to store grain and were among the most widespread vessels for supply of the Dacian world. Due to their large dimensions the reconstruction process raises several difficulties from both technical and geometrical point of view. The digital rec...
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Reverse engineering is a widespread concept used in industrial applications worldwide. It involves obtaining the geometric CAD model from 3D point clouds acquired by scanning existing parts or products. Applying the concept in medical applications requires specialized competences both in the field of health and medicine as well as in CAE (Computer...
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Purpose - This paper intends to explore ways of improving the performance of projects' management by identifying possible quality risks along their development and analyzing possible solutions found within Quality Management. Methodology/approach - is the results are achieved by correlating the risk analysis results with proven Quality Management i...
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The paper presents the development of an electronic course on the subject of measurement uncertainty by a consortium formed of partners at European level. The paper describes the steps followed by the consortium in the European Life Long Learning Erasmus project Statistical Analysis of Measurement Data for the Evaluation of Measurement Uncertainty...
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The paper describes the results of the undertaken research carried in the field by the authors. The main goal of this research was to develop methods for the education and training in the field of designing, validating and simulation of the flexible manufacturing systems. The theoretical approach was implemented in algorithms for programming differ...
Conference Paper
The LMS (Learning Management System) contributes to the development of e-learning, which administrates the electronic lessons and creates the learning environment for the students. assisting them in the studying process. The development of the LMS system depends on the customer requirements and on other conditions of the learning design, standards...
Conference Paper
Full-text available
This paper is proposing an original model for developing design of the electronic courses, which includes all cycle’s phases of the course: designing, accomplishing, delivering and evaluating.
Article
One of the vital problems for the existence of mankind is also the protection of the environment, especially if we take into consideration the more intense action of the environmental pollution factors whose intensity and ampleness are more and more present. This was also the reason for which in the present study 1 aimed to emphasize some angles, l...
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The business environment has changed very much, because of globalization, including that products has become more complex, life cycles of products have become shorter and the delivery times are getting shorter and shorter, etc. Because of all these changes, companies are focusing on their core business, outsourcing some of their operation and also...

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