Transfer path analysis (TPA) for gear systems

This MATLAB code can reproduce some results in: “Fault tracing of gear systems: An in-situ measurement-based transfer path analysis method”

In-situ measurement-based transfer path analysis (TPA) method for gear systems

This MATLAB code can reproduce some results in: “Fault tracing of gear systems: An in-situ measurement-based transfer path analysis method” [1]. This paper focuses on transfer path analysis (TPA) for gear systems. A virtual decoupling method is proposed to realize the in-situ measurement-based TPA. An identification of the bearing force is performed based on the Tikhonov regularization theory.

A gear dynamic model is adopted as the numerical example to illustrate the procedure of the transfer path analysis. Details about the proposed TPA algorithm can be seen in Ref. [1]. The complementary information of the time-varying mesh stiffness and dynamic modelling can be seen in Refs. [2, 3].

[1] Y.F. Huangfu, X.J. Dong, X.L. Yu, K.K. Chen, Z.W. Li, Z.K. Peng, Fault tracing of gear systems: An in-situ measurement-based transfer path analysis method, Journal of Sound and Vibration 553 (2023) 117610.1-26.

[2] K.K. Chen, Y.F. Huangfu, H. Ma, Z.T. Xu, X. Li, B.C. Wen, Calculation of mesh stiffness of spur gears considering complex foundation types and crack propagation paths, Mechanical Systems and Signal Processing 130 (2019) 273-292.

[3] Y.F. Huangfu, K.K. Chen, H. Ma, X. Li, H.Z. Han, Z.F. Zhao, Meshing and dynamic characteristics analysis of spalled gear systems: A theoretical and experimental study, Mechanical Systems and Signal Processing 139 (2020) 106640.1-21.