Job Scheduling in Customized Assembly Lines Affected by Workers’ Learning

Introduction ............................................................................................................ 333 Background ............................................................................................................ 335

Learning Curves (LCs) ...................................................................................... 335 Scheduling in Unrelated Parallel Machines ...................................................... 336

Method ................................................................................................................... 336 Step 1 – Estimation of Job Processing Time ..................................................... 337 Step 2 – Scheduling Learning-Dependent Jobs ................................................ 338

Case Example .........................................................................................................340 Conclusion ............................................................................................................. 345 References .............................................................................................................. 345 Appendix ................................................................................................................ 347

of workers (or teams of workers), depicting how their ef¥ciency improves as an operation is continuously repeated (Uzumeri and Nembhard 1998).