Introduction-Objectives of operations Scheduling Discussion (Cont. Some of these objectives conflicts,e.g. Reduce WIP inventory Worker idle time may increase or machine utilization may decrease; a Reasons:differences in the throughput rate from one part of the system to another may force the faster operations to wait. As an example,if there is no buffer for WIP between 1 and 2,what happens? Buffer Input (work-in-process) Output Fig8-3 A Process Composed of Two Operations in eries骈克鱼大Introduction-Objectives of operations Scheduling • Discussion (Cont.)  Some of these objectives conflicts, e.g.  Reduce WIP inventory  Worker idle time may increase or machine utilization may decrease;  Reasons: differences in the throughput rate from one part of the system to another may force the faster operations to wait. Fig 8-3 A Process Composed of Two Operations in Series As an example, if there is no buffer for WIP between 1 and 2, what happens?