Research Article

Heuristics for the Hybrid Flow Shop Scheduling Problem with Sequence-Dependent Setup times

Table 6

The comparison of the heuristic algorithms (n = 100, k = 8).

FlexibilityAlgorithmProportion
5%10%25%50%75%100%125%150%

1/3EPRA99.69126.11117.75138.82120.58120.29119.07119.53
ESRA94.67118.94111.59132.77114.96113.58115.04116.14
ESPRA94.53118.50110.68134.67113.73113.31114.72115.48

2/3EPRA344.02308.15449.24379.20286.80455.58386.86474.91
ESRA332.47296.91435.60343.17278.89457.72370.81456.32
ESPRA328.68300.59431.17366.55274.60457.72370.39455.22

3/3EPRA436.58585.29511.22696.39736.40596.19527.52722.97
ESRA423.30557.84497.17665.45695.38609.89505.36704.21
ESPRA396.55550.08496.51690.63713.03592.27497.80714.56