Page 8 - ExtendSim User Guide
P. 8

Controlling the flow of items to an activity ...........................................................................189 Fixed number of items...................................................................................................................189 Fixed period of time.......................................................................................................................191
Interrupting processing ..........................................................................................................191 Preemption ..................................................................................................................................... 192 Shutting down................................................................................................................................193
Multitasking ...........................................................................................................................198 Simulate Multitasking Activity model...........................................................................................199 Kanban system.......................................................................................................................199
Transportation and material handling ....................................................................................200 Travel time.....................................................................................................................................200 Transport blocks.............................................................................................................................201 Convey Item blocks .......................................................................................................................203 How the length is calculated..........................................................................................................204 Transportation models ...................................................................................................................205
Batching and Unbatching......................................................................................... 207 Blocks of interest ...................................................................................................................208 Batching .................................................................................................................................208
Batch dialog...................................................................................................................................209 Simple batching .............................................................................................................................210 Batching by matching items ..........................................................................................................211 Batching a variable number of items.............................................................................................212 Properties when items are batched.................................................................................................213 Delaying kits..................................................................................................................................215
Unbatching .............................................................................................................................215 Simple unbatching .........................................................................................................................217 Variable batching and unbatching..................................................................................................217 Properties when items are unbatched.............................................................................................218
Preserving the items used to create a batch ...........................................................................219 Both blocks choose to preserve uniqueness...................................................................................219 Either block chooses to preserve uniqueness.................................................................................219
Additional models..................................................................................................................220
Resources and Shifts ................................................................................................ 221 Blocks of interest ...................................................................................................................222 Resource pool blocks.....................................................................................................................222
Other resource blocks ....................................................................................................................223 Modeling resources................................................................................................................223 How to model resources ................................................................................................................223
Resource Pool method ...................................................................................................................224 Resource Item method ...................................................................................................................227 Other methods for modeling resources..........................................................................................229
Closed and open systems .......................................................................................................230 Scheduling resources .............................................................................................................230 Scheduling resource pools and resource items ..............................................................................230
Scheduling resource items .............................................................................................................232 The Shift block.......................................................................................................................232 Shift types and what they control ..................................................................................................233
Status connectors ...........................................................................................................................234
Shift models...................................................................................................................................234 Advanced Resource Management .........................................................................................238 How Advanced Resource Management works ..............................................................................238
Definitions .....................................................................................................................................239


































































































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