Multi-Objective Reentrant Hybrid Flowshop Scheduling with Machines Turning on and off Control Strategy Using Improved Multi-Verse Optimizer Algorithm

Table 7

T-test of IMOMVO vs. MOMVO, MOPSO, MOALO, and NSGA-II for small-sized problems.

Test problems	Performance; measures	p value of IMOMVO vs.
		MOMVO	MOPSO	MOALO	NSGA-II
Sproblem01-20	SP	0.518	0.258	0.006	0.901
	GD	0.012	0	0	0
	IGD	0.006	0	0	0
Sproblem02-20	SP	0.095	0.022	0.625	0.048
	GD	0.005	0.003	0	0.001
	IGD	0.015	0.004	0.010	0.011
Sproblem03-20	SP	0.977	0.464	0.193	0.349
	GD	0.010	0.001	0	0.010
	IGD	0	0.013	0	0.010
Sproblem04-20	SP	0.675	0.251	0.002	0.215
	GD	0	0.026	0	0
	IGD	0.003	0	0	0
Sproblem05-20	SP	0.029	0.405	0.118	0.360
	GD	0.040	0.008	0	0
	IGD	0.004	0	0	0
Sproblem06-20	SP	0.132	0.722	0.229	0.351
	GD	0	0	0.001	0
	IGD	0	0	0	0