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    Wyświetlanie 1-7 z 7
    Tytuł:
    Energy Saving Chaotic Sequence Based Encryption, Authentication and Hashing for M2M Communication of IoT Devices
    Autorzy:
    Kościug, Bartosz
    Bilski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/27311876.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Power optimization
    Security protocols
    machine to machine communications
    Application layer protocols
    IoT
    Opis:
    In this paper, the secure low-power Internet of Things (IoT) transmission methods for encryption and digital signature are presented. The main goal was to develop energyefficient method to provide IoT devices with data confidentiality, integrity, and authenticity. The cryptograph energy efficient and security algorithms modifications for IoT domain were made. The novelty in our solution is the usage of encryption method popular in the image processing in the domain of the Internet of Things. Proposed modification improves immunity for the brute-force and plain-text attacks. Furthermore, we propose the modifications for hash calculation method to transform it into digital signature calculation method that is very sensitive to input parameters. The results indicate low energy consumption of both methods, however it varies significantly depending on the architecture of the devices.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 2; 253--259
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Steganography in Audio Files: COTS Software Analysis
    Autorzy:
    Marszałek, Piotr
    Bilski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2201248.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    steganography
    audio
    information hiding
    steganalysis
    encryption
    compression
    cybersecurity
    cyberspace
    embedding
    information security
    privacy
    signal plane
    non-signal plane
    Opis:
    The paper presents the analysis of the Commercial Off-The-Shelf (COTS) software regarding the ability to be used in audio steganography techniques. Such methods are a relatively new tool for hiding and transmitting crucial information, also being used by hackers. In the following work, the publicly available software dedicated to audio steganography is examined. The aim was to provide the general operating model of the information processing in the steganographic effort. The embedding method was analyzed for each application, providing interesting insights and allowing classifying the methods. The results prove that it is possible to detect the hidden message within the specific audio file and identify the technique that was used to create it. This may be exploited further during the hacking attack detection and prevention.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 1; 121--126
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of Autonomous Agent Routes in Logistics Warehouse
    Autorzy:
    Markowski, Tomasz
    Bilski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2055221.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    shortest path problem
    hive of robots
    logistics
    microcontrollers
    Opis:
    The paper introduces the distributed framework for determining the shortest path of robots in the logistic applications, i.e. the warehouse with a swarm of robots cooperating in the Real-Time mode. The proposed solution uses the optimization routine to avoid the downtime and collisions between robots. The presented approach uses the reference model based on Dijkstra, Floyd-Warshall and Bellman-Ford algorithms, which search the path in the weighted undirected graph. Their application in the onboard robot’s computer requires the analysis of the time efficiency. Results of comparative simulations for the implemented algorithms are presented. For their evaluation the data sets reflecting actual processes were used. Outcomes of experiments have shown that the tested algorithms are applicable for the logistic purposes, however their ability to operate in the Real-Time requires the detailed analysis.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 4; 559--564
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Method for the Player Profiling in the Turn-based Computer Games
    Autorzy:
    Bilski, Piotr
    Antoniuk, Izabella
    Łabędzki, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/27311938.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    turn based games
    player profiling
    data clustering
    automated classification
    Opis:
    The following paper presents the players profiling methodology applied to the turn-based computer game in the audience-driven system. The general scope are mobile games where the players compete against each other and are able to tackle challenges presented by the game engine. As the aim of the game producer is to make the gameplay as attractive as possible, the players should be paired in a way that makes their duel the most exciting. This requires the proper player profiling based on their previous games. The paper presents the general structure of the system, the method for extracting information about each duel and storing them in the data vector form and the method for classifying different players through the clustering or predefined category assignment. The obtained results show the applied method is suitable for the simulated data of the gameplay model and clustering of players may be used to effectively group them and pair for the duels.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 3; 461--468
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the Magnetoelectric Sensors Usability for the Energy Harvesting
    Autorzy:
    Kuczynski, Karol
    Bilski, Adrian
    Bilski, Piotr
    Szymanski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/1844465.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnetoelectric sensor
    current sensor
    magnetostriction
    amorphous metal ribbon
    piezoelectric materials
    energy harvesting
    Opis:
    The paper presents the analysis of the magnetic sensor’s applicability to the energy harvesting operations. The general scheme and technical advancement of the energy extraction from the electric vehicle (such as a tram or a train) is presented. The proposed methodology of applying the magnetic sensor to the energy harvesting is provided. The experimental scheme for the sensor characteristics and measurement results is discussed. Conclusions and future prospects regarding the practical implementation of the energy harvesting system are provided.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 4; 787-792
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Testing and modeling of constant magnetic field cylindrical magnetoelectric sensors output characteristics
    Autorzy:
    Kuczynski, Karol
    Bilski, Piotr
    Bilski, Adrian
    Szymanski, Jerzy
    Powiązania:
    https://bibliotekanauki.pl/articles/2204515.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    magnetoelectric effect
    magnetostriction
    magnetometers
    amorphous magnetic materials
    piezoelectric materials
    efekt magnetoelektryczny
    magnetostrykcja
    magnetometry
    amorficzne materiały magnetyczne
    materiały piezoelektryczne
    Opis:
    The paper presents the novel concept of the magnetoelectric sensor constructed using the amorphous glass ribbon. Its output characteristics (voltage pattern), conditions of work and experimental results are presented. The novel construction allows for minimizing the demagnetizing field in the core of the sensor and linearization of the characteristics between the magnetic field and obtained voltage. Conducted experiments were aimed at determining the sensor operation in the presence of the constant magnetic field (HDC). The main concern of the tests was to verify the linear dependency between the HDC value and the amplitude of the output voltage. Next, the computer model representing the sensor behavior in the constant magnetic field is described. The model implements the parameter identification task based on the regression algorithms. The presented work shows that the proposed device can be used to measure the weak magnetic field and the dependency between the output signal amplitudes and the constant component in the measured magnetic field is approximately linear. This enables measurements of even weak fields.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 1; art. no. e144583
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    AH Method: a Novel Routine for Vicinity Examination of the Optimum Found with a Genetic Algorithm
    Autorzy:
    Piętak, Daniel Andrzej
    Bilski, Piotr
    Napiorkowski, Paweł Jan
    Powiązania:
    https://bibliotekanauki.pl/articles/2200688.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    heuristics
    evolutionary computations
    genetic algorithms
    uncertainty estimation
    parameter study
    Opis:
    The paper presents a novel heuristic procedure (further called the AH Method) to investigate function shape in the direct vicinity of the found optimum solution. The survey is conducted using only the space sampling collected during the optimization process with an evolutionary algorithm. For this purpose the finite model of point-set is considered. The statistical analysis of the sampling quality based upon the coverage of the points in question over the entire attraction region is exploited. The tolerance boundaries of the parameters are determined for the user-specified increase of the objective function value above the found minimum. The presented test-case data prove that the proposed approach is comparable to other optimum neighborhood examination algorithms. Also, the AH Method requires noticeably shorter computational time than its counterparts. This is achieved by a repeated, second use of points from optimization without additional objective function calls, as well as significant repository size reduction during preprocessing.
    Źródło:
    International Journal of Electronics and Telecommunications; 2022, 68, 4; 695--708
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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