The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper refers to the following directions: (a) the architecture and the communications issues related to the ‘smart grid’, and (b) the relations between the utilities and the end-users within the ‘smart grid’ in the framework of the accelerated implementation of the smart metering in Romania. Regarding the issue (a), we found that the implementation of the real-time smart metering at the home-area...
In the context of Industry 4.0, constantly evolving shop floors generate the need for a highly adaptive and autonomous automation system with lean maintenance, minimum downtime, maximum reliability, and resilience. Future Manufacturing Execution Systems (MESs) will be more complex and dynamic as well as distributed physically and logically. This makes it very difficult, if not impossible, for the...
Shorter innovation cycles along with the demand for individualized, high-quality products pose high challenges on today's automated material flow systems. These systems, suitable for producing bulk goods, but inflexible in case of product changes, need to react flexibly to unplanned configurations. Especially in the software domain retroactive adaptations are tedious work and prone to errors. By deploying...
Software Defined Networking (SDN) has proved to be a promising approach for creating next generation software based network ecosystems. It has provided us with a centralized network provision, a holistic management plane and a well-defined level of abstraction. But, at the same time brings forth new security and management challenges. Research in the field of SDN is primarily focused on reconfiguration,...
Packet forwarding in Software-Defined Networks (SDN) relies on a centralised network controller which enforces network policies expressed as forwarding rules. Rules are deployed as sets of entries into network device tables. With heterogeneous devices, deployment is strongly bounded by the respective table constraints (size, lookup time, etc.) and forwarding pipelines. Hence, minimising the overall...
Apply Integrated Logistics Support (ILS) to weapon equipment can efficiently improve equipment's automation and digital level. ILS needs support of various integrated support systems, which have demands for data editing. Nowadays, most of data editing software used in these systems are customized and provide a form-based editing approach, which becomes an obstacle to carry out ILS. This paper brings...
Enterprise architecture supports a holistic approach used to optimize various activities of a company. Software development companies frequently use a popular agile approach, and the most popular agile methodology is Scrum. A sprint retrospective is a Scrum process which is supposed to enable self-development and improve communication among team members. Unfortunately, the reality is usually different...
Looking at the end-to-end processing, typical software-intensive systems are built as a system-of-systems where each sub-system specializes according to both the business and technology perspective. One challenge is the integration of all systems into a single system — crossing technological and organizational boundaries as well as functional domains. To facilitate the successful integration we propose...
System specifications can be modeled using various types of notations and diagrams regarding applications of the particular model. In this paper, we present an overview of the existing solutions, focusing on UML, BPMN and DMN models and the diagrams provided by these notations. We perform a comparison of these approaches and provide examples of representing system requirements in these notations.
Partial reconfiguration is a promising technique in the design of embedded systems since it enables an increase in efficiency and flexibility. However, its usage is still challenging due to the constraints of current FPGAs. In this paper, we present an extension of the Xilinx Python package ‘pynq’ to ease the usage of partial reconfigurable bitstreams. The pynq package belongs to Xilinx's open source...
Given the recent difficulty in continuing the classic CMOS manufacturing density and power scaling curves, also known as Moore's Law and Dennard Scaling, respectively, we find that modern complex system architectures are increasingly relying upon accelerators in order to optimize the placement of specific computational workloads. In addition, large-scale computing infrastructures utilized in HPC,...
Hardware design is an essential part of research in high performance computing. Initial efforts in hardware research consist of analyzing the design ideas in a software simulator. This allows chip designers to minimize amount of manufacturing that would be too costly and to avoid doing FPGA designs which are even more time consuming. Simulating a hardware design involves running many tests that try...
In this contribution, we present a coverage driven functional verification environment based on the UVM framework and the System Verilog language to certify the operational correctness of the ECC error management logic used in volatile and nonvolatile memories. We apply this methodology to floatinggate nonvolatile memories for the embedded market, which requires a read error rate of 10−14. The proposed...
Cyber-Physical Systems (CPS) consist of embedded computers with sensing and actuation capability, and are integrated into and tightly coupled with a physical system. Because the physical and cyber components of the system are tightly coupled, cyber-security is important for ensuring the system functions properly and safely. However, the effects of a cyberattack on the whole system may be difficult...
The paper presents the application of the RFID technology in the international system of the European Union (EU) border control. The proposed architecture consists of computerized portable units (equipped with specialized devices for data acquisition) carried by border officers and the server cloud infrastructure. Among other details of the proposed system (such as QR codes or images of people trying...
This paper focuses on culture and software development tools issues with respect to the development of a proposed Culture Aware Reference Architecture (CARA) for the delivery of culture competent mobile oriented solutions through culture awareness. The paper presents a discussion of selected architectural design approaches, tools or methodologies that were considered and applied across defined architectural...
Clustering is a crucial tool for analyzing data in virtually every scientific and engineering discipline. The U.S. National Academy of Sciences (NAS) has recently announced "the seven giants of statistical data analysis" in which data clustering plays a central role [1]. This research also emphasizes that more scalable solutions are required to enable time and space clustering for the future...
Many services are being moved to digital environments with industry 4.0. however, But the information in the digital environment poses a great risk. Ensuring the security of information on the users of online applications is a necessity. This perspective requires safe signal processing. But it is difficult to guarantee safe signal processing for resource constrained devices. Lightweight cryptology,...
Software visualizations provide many different complex views with different filters and metrics. But often users have a specific question to which they want to have an answer or they need to find the best visualization by themselves and are not aware of other metrics and possibilities of the visualization tool. We propose an interaction with software visualizations based on a conversational interface...
Sketching is an important activity for understanding, designing, and communicating different aspects of software systems such as their requirements or architecture. Often, sketches start on paper or whiteboards, are revised, and may evolve into a digital version. Users may then print a revised sketch, change it on paper, and digitize it again. Existing tools focus on a paperless workflow, i.e., archiving...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.