An Airway Network Flow Assignment Approach Based on an Efficient Multiobjective Optimization Framework

Algorithm 1

The framework of the proposed algorithm.

BEGIN

Initialize populations of size ps each. = 0. Archive = NULL

WHILE   <

          FOR population = 0 : ()

                       Divide the problem into subcomponents based on cooperative co-evolution

                 FOR each subcomponent

                               Use the NSGA2 framework and differential evolution as the evolutionary

                               algorithm to solve the subcomponent

                 END FOR

                  Archive = Obtain and update the non-dominated solutions based on the dynamic

                  adjustment operator for solutions congestion degree

          END FOR

         IF (migration condition meet)

                          Exchange individuals selected among populations based on a migration topology

          END IF

          = + 1

END WHILE

END