Table 25 Statistical results for multiple disc clutch brake problem using CI–SAPF, CI–SAPF–CBO and CBO

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

Results CI–SAPF CI–SAPF–CBO CBO
Best 0.24 0.24 0.27
Mean 0.24 0.24 0.44
Worst 0.24 0.24 0.83
Std. Dev 8.62E-17 9.25E-18 0.23
Avg. CPU time \((\mathrm{sec})\) 0.23 0.18 0.08
Avg. function evaluations 671 800 450