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Table 4 Exciting conditions for sidebands excited by mesh excitations on planets

From: Investigation on Mesh and Sideband Vibrations of Helical Planetary Ring Gear Using Structure, Excitation and Deformation Symmetries

Exciting conditions

Sidebands

\(v_{\text{m}} = \pm l_{\text{m}} Z_{\text{r}} \pm Q^{\prime}_{\text{m}} N\)

Sidebands at \(l_{\text{m}} Z_{\text{r}} \pm v_{\text{m}}\) are excited

\(v_{\text{m}} \ne \pm l_{\text{m}} Z_{\text{r}} \pm Q^{\prime}_{\text{m}} N\)

Sidebands at \(l_{\text{m}} Z_{\text{r}} \pm v_{\text{m}}\) are suppressed