On the load sharing of planetary gear trains

Date

2025-8-28

Author

Yıldırım, Cengiz

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Planetary gear sets are extensively used in the aerospace industry, automotive industry, and wind turbines. It is due to their compactness and high-power density. On the other hand, their load sharing behavior is affected by numerous factors which are mesh phasing, assembly and manufacturing errors, structural compliance and etc. The main subject in the thesis is the analysis of load sharing behaviour of planetary gear trains in advanced level of numerical models & methods that includes system level dynamics, elastic body contact theory, and real-world design producers. Development of a robust model is based on an iterative solution method, which is Simplex Algorithm. Through this algorithm, the equilibrium and compatibility condition equations are solved, which enables capturing of the global gear body dynamics and local tooth deflections. Moreover, using this methodology, one can identify the load distribution through the gear meshes and contact forces. Validation of the current model is achieved by comparing the results with the experimental data in the literature. Comparison is done in order to analyze the model’s capability for planet-to-planet load sharing under different conditions. Valuable insight for the design and analysis of planetary gear trains, improved durability, reduced noise, and higher compactness are the outcomes of this research.

Subject Keywords

Load Sharing, Planetary Gear Trains, Wind Turbine Gearbox, Carrier Driven

URI

https://hdl.handle.net/11511/116068

Collections

Graduate School of Natural and Applied Sciences, Thesis