Bi-criteria Assembly Line Worker Assignment and Balancing Problem by Considering Labor Cost

Assignment of worker appears as a new problem in the literature for assembly lines (AL) where workforce is heterogeneously located. The difference this line balancing from traditional that task times workers to be assigned stations differ each other. Especially such assignment and balancing, are generally labor-intensive type production. Therefore, while kind lines, it should done considering labor costs. Thus, proposed solutions will able produce more realistic results real life environments. For purpose, study, mixed integer mathematical formulation presented ALWABP by objective function minimizing costs cycle time. efficiency model improvements has been demonstrated solving test instances literature.