Analytical Characterization of the Unique Properties of Planetary Gear Free Vibration

Journal of Vibration and Acoustics, Transactions of the ASME - Tập 121 Số 3 - Trang 316-321 - 1999
Jian Lin1, Robert G. Parker1
1Department of Mechanical Engineering The Ohio State University, Columbus, Ohio 43210

Tóm tắt

This work develops an analytical model of planetary gears and uses it to investigate their natural frequencies and vibration modes. The model admits three planar degrees of freedom for each of the sun, ring, carrier and planets. It includes key factors affecting planetary gear vibration such as gyroscopic effects and time-varying stiffness. For the linear, time-invariant case, examination of the associated eigenvalue problem reveals the well-defined structure of the vibration modes, where the special structure results from the cyclic symmetry of planetary gears. Vibration modes are classified into rotational, translational and planet modes. The unique characteristics of each type of mode are analytically investigated in detail. For each class of mode, reduced-order eigenvalue problems are derived.

Từ khóa


Tài liệu tham khảo

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Thông tin
Thông tin xuất bản

Journal of Vibration and Acoustics, Transactions of the ASME

Tập 121 Số 3

316-321

Thông tin tác giả