Multiobjective Optimization Method Based on Adaptive Parameter Harmony Search Algorithm

Table 8

Comparison of optimal solutions for the compression coil spring design problem.

Variables/functions	Sandgren [15]	Chen and Tsao [16]	Wu and Chow [17]	Guo et al. [18]	Lampinen and Zelinka [19]	PSO of Kennedy and Eberhart [20]	Proposed PAHS
(in.)	1.180701	1.2287	1.227411	1.223	1.223042	1.223047	1.22304142
	10	9	9	9	9	9	9
(in.)	0.283	0.283	0.283	0.283	0.283	0.283	0.283
(in^3)	2.7995	2.6709	2.6681	2.659	2.65856	2.658573	2.658559