Research Article

An Improved Shuffled Frog Leaping Algorithm for Assembly Sequence Planning of Remote Handling Maintenance in Radioactive Environment

Algorithm 1

Stability evaluation method of the assembly sequence.
IF  ,   exists, THEN
  Assembly operation is stable;
ELSE
IF  , , THEN
  Assembly operation is unstable;
ELSE
  IF  ,   exists, THEN
    Assembly operation is stable;
  ELSE IF  ,  THEN
    Assembly operation is unstable
  ENDIF
ENDIF