Efficient Hybrid Method of FEA-Based RSM and PSO Algorithm for Multi-Objective Optimization Design for a Compliant Rotary Joint for Upper Limb Assistive Device

Table 7

S/N ratio values and normalized S/N values.

No.	D (mm)	t (mm)	S/N ratio of f1 (dB)	S/N ratio of f2 (dB)	Normalized S/N of f1	Normalized S/N of f2
1	52	0.8	-29.68	35.0487	0	0.897266
2	52	1.0	-29.00	31.4621	0.310995	0.473912
3	52	1.2	-28.38	27.4472	0.588876	0
4	54	0.8	-29.24	35.5326	0.19866	0.954388
5	54	1.0	-28.57	32.2536	0.505447	0.567337
6	54	1.2	-27.92	28.4222	0.79981	0.115089
7	56	0.8	-28.85	35.919	0.376887	1
8	56	1.0	-28.13	32.9242	0.700775	0.646493
9	56	1.2	-27.47	29.2958	1	0.218201