Genetic Approach for Multiobjective Optimization of Epicyclical Gear Train

Table 3

SPGT basic gear transmission diagram and efficiency.

Mode	Transmission diagram	τ range	Transmission ratio	Efficiency
1		τ < 0 or τ > 0
2		τ < 0 or τ > 1; τ > 0
3		τ < 0 or τ > 0
4		τ < 1; τ > 1
5		τ < 0 or τ < 1; 0 < τ <1
6		τ < 1; τ > 1