Table 4 Extracted optimal process parameters of injection-moulding process of dashboard using soft computing methods and MOPSO with extracted defects, including shrinkage, warpage, and sink mark.

No	T1	T2	t1	t2	Shrinkage		Warpage		Sink mark		Error %
No	T1	T2	t1	t2	MLP	SW Plastic	MLP	SW Plastic	DT	SW Plastic	Error %
1	203.911	75.071	12.478	78.471	0.0165	0.0181	4.886	4.4951	0.016	0.0174	9
2	203.912	75.065	12.452	78.475	0.0166	0.0151	4.885	4.1522	0.016	0.0179	13
3	203.913	75.073	12.109	78.484	0.0166	0.0199	4.870	4.3830	0.016	0.0141	14
4	203.912	75.074	11.673	78.482	0.0166	0.0183	4.849	4.2186	0.016	0.0125	15
5	203.914	75.068	12.018	78.474	0.0166	0.0159	4.866	5.2553	0.016	0.017	6
6	203.910	75.074	12.679	78.473	0.0165	0.0185	4.895	5.5313	0.016	0.0133	14
7	203.912	75.068	11.938	78.480	0.0166	0.0148	4.862	4.0841	0.016	0.0179	13
8	203.912	75.069	12.517	78.474	0.0165	0.0168	4.888	4.6925	0.016	0.0165	3
9	203.911	75.076	11.710	78.480	0.0166	0.0168	4.851	4.7055	0.016	0.0157	2
10	203.911	75.072	11.752	78.479	0.0166	0.0154	4.853	4.3192	0.016	0.0179	10
11	203.913	75.0759	12.177	78.479	0.0166	0.0129	4.873	5.5065	0.016	0.0195	19
12	203.911	75.074	11.626	78.489	0.0166	0.0178	4.846	4.4583	0.016	0.0170	7
13	203.911	75.074	11.831	78.478	0.0166	0.0148	4.856	5.1959	0.016	0.0150	12
14	203.913	75.065	12.564	78.475	0.0165	0.0163	4.890	4.9878	0.016	0.0152	4
15	203.910	75.0723	12.407	78.478	0.0166	0.0188	4.883	5.7619	0.016	0.0182	15
16	203.911	75.070	11.658	78.474	0.0166	0.0158	4.848	4.7026	0.016	0.0171	5
17	203.911	75.074	12.233	78.483	0.0166	0.0178	4.875	4.1924	0.016	0.0174	10
18	203.912	75.071	12.160	78.475	0.0166	0.0188	4.872	4.3361	0.016	0.0189	14

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