A Computational Approach for the Evaluation of Single d.o.f. Planetary Gear Efficiency

The paper presents a new computational method for the determination of formulas for the efficiency of single d.o.f. planetary gear trains. The method is based on kinematic modelling of the gear train and on explicit and systematic op-erations, easy to implement, for example, by a computer algebra package. After a presentation of the required background for the kinematic and static analyses, the proposed method is justified and described. The application of the method to a sample gear train is discussed in details