Research Article

Simplifying Multiproject Scheduling Problem Based on Design Structure Matrix and Its Solution by an Improved aiNet Algorithm

Table 1

Priority rules used for activity selection.

No.AbbreviationNameFormula

(1)MaxDurMaximum durationMax dijm
(2)MinDurMinimum durationMin dijm
(3)MaxRRMaximum resource requirementMax
(4)MinRRMinimum resource requirementMin
(5)MaxSucMaximum number of direct successorsMax
(6)MinSucMinimum number of direct successorsMin
(7)ESTEarliest starting timeMin
(8)EFTEarliest finishing timeMin
(9)LSTLatest starting timeMin
(10)LFTLatest finishing timeMin
(11)MaxSLKMaximum activity-free slack
(12)MinSLKMinimum activity-free slackMin
(13)MaxRPWMaximum rank positional weightMax
(14)MinPRWMinimum rank positional weightMin
(15)MaxCRRMaximum cumulated resource requirementMax
(16)MinCRRMinimum cumulated resource requirementMin
(17)MaxCSucMaximum cumulated number of successorsMax
(18)MinCSucMinimum cumulated number of successorsMin