A Novel MOEA/D for Multiobjective Scheduling of Flexible Manufacturing Systems

Table 1

Descriptions of abbreviations.

Abbreviation	Description	Abbreviation	Description
MOP	Multi-objective optimization problem	DE	Differential evolution
PF	Pareto front	DDE	Discrete differential evolution
MOEA	Multi-objective evolutionary algorithm	GOX	Generalization of order crossover
SPEA2	Improving the strength Pareto evolutionary algorithm	PNS	Petri net for scheduling
NSGA-II	Nondominated sorting genetic algorithm II	DAP	Deadlock avoidance policy
MOEA/D	MOEA based on decomposition	EP	External population
MODTLBO/D	Multi-objective discrete teaching-learning-based optimization with decomposition	S^3PRs	Systems of simple sequential processes with resources
IMOEA/D	Improved MOEA/D	DNSGA-II	Deadlock-free NSGA-II
FMS	Flexible manufacturing system	NPS	Number of Pareto solutions
AGV	Automated guided vehicle	MID	Mean ideal distance
PN	Petri net	RAS	Rate of achievement to objectives simultaneously