Optimization of Process Parameters in Electrochemical Micromachining of AMCs by Using Different Techniques of Weight Evaluation

Table 5

VIKOR index and ranking for EWM, AHP, and EBWM.

S.No	Equal weight method (EWM)				Analytic hierarchy process (AHP)				Entropy-based weights method (EBWM)
	Ui	Ri	Qi	Rank	Ui	Ri	Qi	Rank	Ui	Ri	Qi	Rank
1	0.608	0.333	0.778	17	0.721	0.630	0.945	18	0.552	0.451	0.621	14
2	0.609	0.318	0.729	13	0.722	0.601	0.908	16	0.541	0.386	0.532	12
3	0.648	0.310	0.757	16	0.770	0.586	0.942	17	0.554	0.290	0.421	9
4	0.495	0.302	0.529	8	0.651	0.571	0.791	15	0.387	0.258	0.255	5
5	0.508	0.279	0.473	5	0.653	0.527	0.735	13	0.395	0.193	0.181	3
6	0.574	0.264	0.511	7	0.705	0.498	0.754	14	0.454	0.245	0.289	7
7	0.398	0.217	0.130	2	0.543	0.410	0.458	11	0.268	0.170	0.058	2
8	0.464	0.242	0.297	4	0.576	0.381	0.457	10	0.349	0.256	0.225	4
9	0.397	0.256	0.252	3	0.594	0.483	0.611	12	0.227	0.149	0.000	1
10	0.776	0.333	1.000	18	0.628	0.293	0.397	8	0.898	0.548	1.000	18
11	0.635	0.275	0.625	11	0.569	0.337	0.391	7	0.697	0.451	0.729	16
12	0.669	0.294	0.733	14	0.570	0.308	0.353	6	0.756	0.483	0.813	17
13	0.637	0.263	0.591	10	0.546	0.264	0.268	4	0.706	0.386	0.655	15
14	0.575	0.333	0.735	15	0.533	0.260	0.249	2	0.582	0.351	0.519	11
15	0.477	0.177	0.105	1	0.491	0.308	0.265	3	0.461	0.225	0.270	6
16	0.519	0.323	0.629	12	0.317	0.252	0.000	1	0.663	0.341	0.565	13
17	0.588	0.253	0.493	6	0.586	0.337	0.409	9	0.578	0.266	0.409	8
18	0.575	0.283	0.573	9	0.559	0.293	0.321	5	0.571	0.298	0.443	10