Heuristics for Multiobjective Optimization of Two-Sided Assembly Line Systems

Table 4

Allocation of tasks for 2nd assignment of P19 (CT = 6 min).

W/S type	Allotted tasks	Processing time for task “𝑖”	Work load at each station	Idle time at each station
W/S(L)-1	1; 3	2.80; 2.50	5.30	0.70
W/S(R)-1	2	3.10	3.10	2.90
W/S(L)-2	—	—	—	—
W/S(R)-2	4	3.40	3.40	2.60
W/S(L)-3	8; 7	3.30; 2.60	5.90	0.10
W/S(R)-3	6	2.70	2.70	3.30
W/S(L)-4	11	4.10	4.10	1.90
W/S(R)-4	10; 13	3.70; 1.80	5.50	0.50
W/S(L)-5	5	3.20	3.20	2.80
W/S(R)-5	14	1.20	1.20	4.80
W/S(L)-6	9	5.90	5.90	0.10
W/S(R)-6	17	5.80	5.80	0.20
W/S(L)-7	12; 16	2.20; 2.40	4.60	1.40
W/S(R)-7	—	—	—	—
W/S(L)-8	15	2.30	2.30	3.70
W/S(R)-8	—	—	—	—
W/S(L)-9	18; 19	3.80; 2.10	5.90	0.10
W/S(R)-9	—	—	—	—