Wheel load reconstruction using strain gauge measurements on the bogie frame for strain prediction and fatigue assessment

Vesa Nieminen (Corresponding Author), Antero Tuohineva, Maija Autio

    Research output: Contribution to journalArticleScientificpeer-review

    2 Citations (Scopus)
    74 Downloads (Pure)

    Abstract

    Knowledge of actual wheel-rail contact forces under a service environment is critical for fatigue damage prediction of rail vehicle bogies. This paper presents a method for reconstructing operational wheel loads based on the strain gauge measurements on the bogie of a tram. The strain gauge placement is solved as an optimisation problem, and the actual load–strain relationship is verified by physical calibrations. A novel calibration arrangement is presented to produce linearly independent load cases for a fully equipped bogie. A good correlation of the reconstructed operational stresses with the measured stresses indicated that the identified loads are valid for fatigue assessment.
    Original languageEnglish
    Article number107533
    JournalInternational Journal of Fatigue
    Volume170
    DOIs
    Publication statusPublished - 1 May 2023
    MoE publication typeA1 Journal article-refereed

    Keywords

    • Bogie frame
    • Fatigue damage
    • Load reconstruction
    • Optimal sensor placement
    • Virtual sensing

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