6f039488_ls___Techniques_____Strategos___Purpose
[ID] 24 [Element] Pull & Synchronous Scheduling [Description] Kanban is one method. Direct linkage of processes with conveyors or other devices is another. Broadcast scheduling in which every process in a value stream operates to the same schedule is the third principle method. [Purpose] 
To closely link and synchronize processes and prevent surges of WIP inventory and/or shortages.
Lean Tools & Techniques ...{Strategos}