Abstract
The integral modeling method is usually used in dynamic research of multi-stage planetary gear system. But it is not convenient for the analysis of dynamic performance and for the selection of transmission scheme. The dynamic model has to be rebuilt when the transmission scheme is changed. So based on the modular method, four general modules are established with meshing stiffness, damping, friction, backlash and bearing supporting stiffness of planets considered. Then the nonlinear dynamical differential equations of multi-stage planetary gear trains are generated automatically by calling in the four modules. According to the modular method, the dynamic characteristics of the four-stage planetary gear train used in space manipulator are analyzed. In order to verify the applicability and availability of the modularly designed model, the calculation results of the modularly designed model and those of the integrally designed model are compared.
| Original language | English |
|---|---|
| Pages (from-to) | 606-611 |
| Number of pages | 6 |
| Journal | Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University |
| Volume | 32 |
| Issue number | 4 |
| State | Published - 1 Aug 2014 |
| Externally published | Yes |
Keywords
- Calculations
- Damping
- Design
- Differential equations
- Dynamic response
- Dynamics
- Friction
- Functions
- Manipulators
- Mathematical models
- Modular
- Multi-stage planetary transmission
- Numerical methods
- Stiffness
- Transmissions
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