Abstract
In this paper, a method for computing the dynamics of a geared system excited by its static transmission error is proposed. The method is based on the iterative spectral method (ISM) and on the harmonic balance method (HBM). It is shown that the dynamic transmission error (DTE) can be obtained in the frequency domain by solving a linear system of equations, which in turn allows the computation of the modal and physical coordinates of the system.
Zusammenfassung
In diesem Beitrag wird eine Methode vorgestellt, die die Dynamik eines durch dessen statischen Übertragungsfehler angeregten Getriebesystems ausgearbeitet. Die Methode basiert auf der iterativen Spektralmethode (ISM) und der harmonischen Gleichgewichtsmethode (HBM). Es wird gezeigt, dass der dynamische Übertragungsfehler (DTE) im Frequenzbereich durch Lösen eines linearen Gleichungssystems ermittelt werden kann, was wiederum die Berechnung der modalen und physikalischen Koordinaten des Systems ermöglicht.
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Notes
NLTE: No Load Transmission Error.
It is important to note that in 3D, the geometric vector \(R\) is formed by 12 non null elements which represents the degrees of freedom. In 2D, taking into account that there are only two translations and one rotation, it will be made of the 2 center nodes.
One should note that the DTE values were calculated for an idealized system whereby the shafts have been reduced to simple springs. The primary purpose is to demonstrate the exactitude of the calculation method in a basic example.
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Abboud, E., Grolet, A., Mahé, H. et al. Computation of dynamic transmission error for gear transmission systems using modal decomposition and Fourier series. Forsch Ingenieurwes 86, 751–755 (2022). https://doi.org/10.1007/s10010-021-00571-x
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DOI: https://doi.org/10.1007/s10010-021-00571-x