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  • Adapting bridge WIM technology to railway bridges [Elektronski vir]
    Žnidarič, Aleš ...
    The paper provides an overview of the develo pment of a railway bridge weigh - in - motion (B - WIM) system, accomplished within the European Commission financed research project Bridgemon . A steel ... truss bridge in Poland was used for testing the system . Four trains that passed over the bridge were pre - weighed in a rail yard in Warsaw. The conventional road B - WIM system was adapted to calculate the weights of the train carriages using the measured response from the test bridge and the accuracy of the system was assessed . Initial result showed that weights of one of the four trains of known weight were predicted very accurately, while the wagon weights of the other three trains deviated by as much as 30% from their actual values. The large errors were directly correlated to the changing velocity of trains . The standard B - WIM algorithm, which assumed a constant velocity during the passage of a vehicle or train, was adjusted to allow for the effect of this changing velocity. The results improved dramatically, with the vast maj ority of the calculated wagon weights falling within 5% of their actual values. Further developments tailored the B - WIM algorithm for weighing trains, including the system interface that employs graphics of locomotives and wagons.
    Vir: ICWIM7 [Elektronski vir] (Str. 326-335)
    Vrsta gradiva - prispevek na konferenci ; neleposlovje za odrasle
    Leto - 2016
    Jezik - angleški
    COBISS.SI-ID - 2274407

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