Genetic Algorithm for Mixed Integer Nonlinear Bilevel Programming and Applications in Product Family Design

Table 7

Ranges of variables and indicators.

Variables and indicators	Range
Diameters of high-speed shaft	40–60 mm
Total number of gears	140~160
Diameters of low-speed shaft	60–100 mm
Number of teeth of high-speed gear	25–60
Transmission ratio of reducer 1	1.8–2.2
Transmission ratio of reducer 2	2.7–3.3
Transmission ratio of reducer 3	3.6–4.4