Design and Maintenance Optimisation of Substation Automation Systems: A Multiobjectivisation Approach Exploration

Table 8

Statistical analysis for the best average rank configurations from both 2-objective and transformed 3-objective problems.

ID	Objectives	Method	Encoding	Mutation	Average	Median	Maximum	Minimum	Standard deviation	Average rank
1	2	NSGA-II	Real	1.0	3.4495	3.4456	3.4898	3.4141	0.0192	2.5238
2	2	SMS-EMOA	Real	0.5	3.4471	3.4474	3.4800	3.4166	0.0150	2.7142
3	3	SMS-EMOA	Real	1.0	3.4517	3.4513	3.4965	3.4274	0.0166	2.3809
4	3	SMS-EMOA	Real	0.5	3.4513	3.4470	3.4965	3.4191	0.0225	2.3810
value										0.8150