Abstract
In this paper, mixed-model assembly line balancing problem is treated. First, SI (Smoothing Index) for single-model problem is extended to MSI (Mixed-model Smoothing Index). Then, lower bound for branch and bound method is proposed and GA and SA are applied to this problem. Last, three solutions are compared by numerical experiments. In this result, branch and bound method is effective when restriction conditions are loose and SA is effective when restriction conditions are tight.
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