Abstract
The dynamic characteristics of planetary system directly affect the stable state of the whole transmission system. Firstly, an accurate dynamic model of planetary gear system is established by using bond graph method. Formerly, the state equation of the gear train dynamics is obtained based on the bond graph model. On this basis, the simulation model of the gear system was acquired by using the numerical simulation method, and four dynamic indexes including zero-pole diagram, Bode diagram, Nyquist diagram and Nichols diagram of the gear dynamics system were gained. Finally, the analysis results show that the accurate mathematical model is described by the bond graph method and the dynamic characteristics is comprehended of planetary gear system, while will provide a basis for the stability research of the transmission system.
Highlights
The dynamic characteristics of planetary gear system will directly affect the healthy and stable running state of the whole transmission system [1]
The traditional gear train modeling method starts from the perspective of simplification and equivalence, some important factors affecting the system are omitted [6]
The dynamic characteristics of the gear system are much different from the actual situation, and lost its guiding significance for practical application
Summary
The dynamic characteristics of planetary gear system will directly affect the healthy and stable running state of the whole transmission system [1]. The dynamics of planetary gear transmission system, focusing on finding accurate and efficient analysis model, and exploring the dynamic response and excitation mechanism of the system [4, 5]. The dynamic characteristics and system stability play a very important role in advanced design and fatigue analysis. The traditional gear train modeling method starts from the perspective of simplification and equivalence, some important factors affecting the system are omitted [6]. The dynamic characteristics of the gear system are much different from the actual situation, and lost its guiding significance for practical application
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