Bacterial Foraging-Tabu Search Metaheuristics for Identification of Nonlinear Friction Model

Table 5

Solutions obtained from different approaches.

Objective function	ATS	ABFO	BTS	GA
BF:
Average	4.5090𝑒−10	1.0833𝑒−10	5.30112𝑒−10	6.0074𝑒−08
Min	7.3184𝑒−11	2.2204𝑒−16	3.569𝑒−12	1.1830𝑒−11
Max	9.4151𝑒−10	8.8759𝑒−10	9.97229𝑒−10	2.9855𝑒−06
Std.	2.7476𝑒−10	2.0742𝑒−10	3.13515𝑒−10	4.2216𝑒−07
RF:
Average	5.3478𝑒−09	1.1534𝑒−10	5.2460𝑒−09	4.9642𝑒−09
Min	2.9051𝑒−10	3.5527𝑒−15	5.9587𝑒−10	1.1486𝑒−10
Max	9.3771𝑒−09	6.7094𝑒−10	9.6620𝑒−09	9.5235𝑒−09
Std.	2.4328𝑒−09	1.4942𝑒−10	2.6721𝑒−09	2.6740𝑒−09
SF:
Average	0.9982	0.9981	0.9983	0.9983
Min	0.9980	0.9980	0.9980	0.9980
Max	0.9989	0.9988	0.9990	0.9990
Std.	0.0002	0.0002	0.0003	0.0003
SchF:
Average	0.0456	0.0139	0.0273	0.0439
Min	0.0006	2.5455𝑒−05	0.0002	0.0008
Max	0.0998	0.0768	0.0944	0.0982
Std.	0.0278	0.0240	0.0341	0.0281
ShuF:
Average	−186.7305	−186.7305	−186.7305	−186.7304
Min	−186.7309	−186.7309	−186.7309	−186.7309
Max	−186.7300	−186.7300	−186.7301	−186.7300
Std.	0.0003	0.0003	0.0003	0.0002