Analysis of the possibilities in railways shape assessing using GNSS mobile measurements - Publikacja - MOST Wiedzy


Analysis of the possibilities in railways shape assessing using GNSS mobile measurements


In recent years, a dynamic development of satellite positioning techniques using both static and mobile GNSS coordinates register mode can be observed. In addition, still developing Real-time GNSS Networks, post-processing algorithms and another measurement signal analysis algorithms, make the satellite measurements increasingly used in railway industry sector. In the article the possibilities which follows from the mobile satellite measurements in railway engineering are briefly presented. In the years 2009-2015, the authors conducted a series of field investigations on operated railway lines. The obtained results of these measurements led to the development of a number of algorithms that increase the range of applicability of GNSS measurements. The analysis of obtained results also showed how the accuracy of the measurements have increased since 2009. The achieved accuracy has been increased due to a development of GNSS positioning systems as well as improvement of the measurement methodology, i.e. configurations of satellite receivers and layouts of their placement on a mobile measuring platform. It was also found that the development of data analysis algorithms contributed to the increasement in the obtained accuracy in assessment of a railway track axis shape. The authors indicate the possibilities of applying GNSS techniques at various stages of construction and operation of railways. According to the authors, the most important advantage of both the presented measurement technique and computational methodology is the ability to effectively and relatively low-cost data acquisition regarding the existing state of the railway line. These data can be successfully used to design changes to the geometry of railway lines, and therefore satellite positioning has enormous application potential in the process of modernization of operated railway lines.


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Publikacja w czasopiśmie
publikacja w in. zagranicznym czasopiśmie naukowym (tylko język obcy)
Opublikowano w:
MATEC Web of Conferences nr 262, strony 1 - 6,
ISSN: 2261-236X
Rok wydania:
Opis bibliograficzny:
Koc W., Specht C., Chrostowski P., Szmagliński J.. Analysis of the possibilities in railways shape assessing using GNSS mobile measurements. MATEC Web of Conferences, 2019, Vol. 262, , s.1-6
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1051/matecconf/201926211004
Politechnika Gdańska

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