On the embedded kinematic fractionation of epicyclic gear trains
Resource
ASME Journal of Mechanical Design 122 (4): 479-483
Journal
ASME Journal of Mechanical Design
Journal Volume
1
Pages
479-483
Date Issued
1999
Date
2000
Author(s)
Liu, Chia-Pin
Abstract
In this paper, the concept of kinematic fractionation is introduced for epicyclic gear trains (EGTs) which contains structural fractionation as a degenerate case. Kinematic fractionation provides a viewpoint to determine the type of fractionation of an EGT by distinguishing the independent transmission path(s) inside. With the concept of kinematic fractionation, kinematically independent group(s) embedded in an EGT can be identified. A composition list, which depicts the links and the link connection in the associated group, is used to determine the type of fractionation. It is found that most previously enumerated structurally non-fractionated EGTs in the literature are kinematically fractionated. It is shown that a structurally hon-fractionated EGT may be kinematically fractionated while a structurally fractionated EGT must be kinematically fractionated. The concept of kinematic fractionation can lead to efficient topological analysis of EGTs with physical comprehension. Copyright © 1999 by ASME.
Other Subjects
Computer aided design; Epicyclic gears; Topology; Degenerate case; Epicyclic gear trains; Topological analysis; Transmission paths; Kinematics
Type
conference paper
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