Table 32 Comparison of results solving compound gear design problem

From: Cohort intelligence with self-adaptive penalty function approach hybridized with colliding bodies optimization algorithm for discrete and mixed variable constrained problems

Techniques Nonlinear B&B [74] Lagrange Multiplier [40] PSO [14] CBO CI–SAPF CI–SAPF–CBO
\(f\left(x\right)\) 5.7e − 06 2.1246e-08 2.7e − 12 4.5033E-9 2.70e-12 2.70e-12
Gear ratio 0.1466 0.1441 0.1442 0.1443 0.1442 0.1442
Error % 1.65% 0.11% 0.0011% 0.0462% 0.0011% 0.0011%
Function evaluations NA NA NA 420 1260 360
  1. NANot available