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    Wyświetlanie 1-4 z 4
    Tytuł:
    Evaluation of RTKLIBs Positioning Accuracy Usingn low-cost GNSS Receiver and ASG-EUPOS
    Autorzy:
    Wiśniewski, B.
    Bruniecki, K.
    Moszyński, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/117289.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Differential GPS (DGPS)
    real time kinematic
    postprocessing
    Opis:
    The paper focuses on a comparison of different positioning methods provided by free and open source software (FOSS) package called RTKLIB. The RTKLIB supports real‐time and post‐processed positioning. The most important modes of operation tested by the authors are Kinematic, Static, Fixed and Precise Point Positioning (PPP). The data for evaluation were obtained from low‐cost Global Navigation Satellite System (GNSS) receiver. The tested receiver was based on the u‐bloxʹs LEA‐6T GNSS module. This receiver provides different types of information including raw carrier phase measurements. It gives the possibility for centimeter‐level precision of positioning. As the supporting source of data ASG‐EUPOS system was used. ASG‐EUPOS is a Polish network of GNSS reference stations providing the real‐time corrections and post processing services for the entire territory of Poland.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 1; 79-85
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Client-server Approach in the Navigation System for the Blind
    Autorzy:
    Markiewicz, Ł.
    Drypczewski, K.
    Wiśniewski, B.
    Kamiński, Ł.
    Powiązania:
    https://bibliotekanauki.pl/articles/117366.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Navigation System
    Navigation System for the Blind
    voice maps
    Spatial Data
    geographic information system (GIS)
    Mobile Device
    pathfinding
    mobile application
    Opis:
    The article presents the client-server approach in the navigation system for the blind - “Voice Maps”. The authors were among the main creators of the prototype and currently the commercialization phase is being finished. In the implemented prototype only exemplary, limited spatial data were used, therefore they could be stored and analyzed (for pathfinding process) in the mobile device’s memory without any difficulties. The resulting increase of spatial data scale and complexity required a modification of the data storage and operation. Consequently, the decision was made to maintain a central spatial database, which is accessed remotely. After that modification, the mobile application fetches the required batch of spatial data (with the pathfinding and search results) from the central server through the mobile internet connection, which has also become necessary for other purposes (e.g. voice recognition). The authors present the advantages and disadvantages of this new approach along with the results of the server operational tests.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2013, 7, 3; 395-400
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibilities of using innovative drive systems for various types of electric vehicles for seaports, container and logistics terminals
    Autorzy:
    Bielawski, K.
    Chmieliński, M.
    Kreft, O.
    Wiśniewski, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/24201465.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    electromobility
    environmental performance
    profitability of terminals
    electric drives and modular
    scalable energy storage
    fully functional electric platform
    the operators of seaports
    container and logistics terminals
    construction of electric vehicles
    energy management
    Opis:
    The article presents the issues regarding the possibility of using innovative drive systems designed by ZAiUP AREX Sp. z o.o. for various types of electric vehicles for seaports, container and logistics terminals. ZAiUP AREX Sp. z o.o. specializes in the design and production of technologies and innovative solutions dedicated to both the civil and military markets. Over 34 years of experience have built a solid and reliable brand. The enduring activity and a number of various projects have allowed us to gain invaluable experience and deepen our unique skills in the projects dedicated to electromobility. This publication presents proprietary technological solutions developed by ZAiUP AREX Sp. z o. o. – an electric drive system that can be used in passenger, delivery and purpose-built vehicles. Thanks to the proposed solutions, the seaports, container and logistics terminals paying attention to cargo operations, security and cybersecurity, as well as energy and innovation, can be improved to become more competitive.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2023, 17, 2; 407--413
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Use of a least squares with conditional equations method in positioning a tramway track in the Gdansk agglomeration
    Autorzy:
    Czaplewski, K.
    Specht, C.
    Dąbrowski, P.
    Specht, M.
    Wiśniewski, Z.
    Koc, W.
    Wilk, A.
    Karwowski, K.
    Chrostowski, P.
    Szmagliński, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/116443.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Least Squares Method (LSQ)
    Conditional Equations Method
    tramway track
    Gdansk Agglomeration
    MathCad
    rail vehicle trajectory
    Global Positioning System (GPS)
    satNav receiver
    Opis:
    Satellite measurement techniques have been used for many years in different types of human activity, including work related to staking out and making use of rail infrastructure. First and foremost, satellite techniques are applied to determine the tramway track course and to analyse the changes of its position during its operation. This paper proposes using the least squares with conditional equations method, known in geodesy (LSce). When applied, this method will allow for improvement of the final determination accuracy. This paper presents a simplified solution to the LSce alignment problem. The simplification involves replacement of the parameter binding equations with equivalent observational equations with properly selected weights. The results obtained with such a solution were demonstrated with a randomly selected section of a tramway track in Gdańsk. The article presents the theoretical foundations of the test method, the experiment organisation and the results obtained with MathCad Prime 3.0 software. It also presents the outcome of a study associated with the execution of the project No POIR.04.01.01-00-0017/17 entitled “Developing an innovative method of precision determination of a rail vehicle trajectory” executed by a consortium of the Gdańsk University of Technology and Gdynia Maritime University.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2019, 13, 4; 895-900
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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