Complex System Optimization Using Biogeography-Based Optimization
Algorithm 1
Modified non-dominated ranking system (NDRS). is the number of constraint violations of the th island, and is the relative rank of the th island, where a lower rank is better. is the number of optimization objectives.
;
;
for to do
for to do
if constraint of island is violated then
end if
end for
end for
for to do
for to do
if
else if
else if
for to do
if objective of island is better than of then
else if objective of island is better than of then
