| Citation: | DU Jinfu, MAO Hong, ZHANG Yanchao, et al. Analysis on load sharing characteristic of two-stage star gear transmission based on function method[J]. Journal of Aerospace Power, 2024, 39（11）：20220428 doi: 10.13224/j.cnki.jasp.20220428
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In order to obtain the actual load sharing performance of fixed-axis multi-branch power-split gear transmission, a method based on function method for static load sharing characteristic analysis was proposed. Considering the power closed-loop and error randomness, the load sharing characteristics of two-stage fixed-axis three-branch (star) gear transmission were systematically analyzed, and its error sensitivity was quantitatively analyzed. Finally, the above method was verified to be correct compared with the existing examples. The results showed that the manufacturing and installation error randomness on the system load distribution cannot be ignored, especially the randomness of error values. Function method can effectively avoid truncation error when calculating the load sharing coefficient, which was closer to the actual situation when considering error randomness.
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