Smoothing the
Dependent Requirements 
Use
The dependent requirements dates are scheduled in the planning run (assuming that all components lies at the beginning of the order) to the order start date of the pegged order. This means the requirements date of the components lies on one particular day although the pegged requirement is produced over a period of time (often several days). In KANBAN, you can usually assume that not all components have to be provided together for the start date of the order. Therefore, it may be necessary to smooth the dependent requirements before calculating the control cycles.
The result of the smoothing calculation is a smoothed requirements curve with minimum and maximum values for the number of kanbans and the kanban quantity.
Features
The following methods are available for smoothing the dependent requirements:
● Dependent requirements in one period are distributed evenly over the period. A period may be a week, a month or quarter yearly. The period of examination contains several of these periods. Then the system no longer executes the kanban calculation for every day but for a period. Note that, for this type of smoothing only the week in which the dependent requirement lies is relevant.
● Dependent requirements are distributed between the dependent requirements date and the latest dependent requirements date using a distribution key. This type of distribution is more performance intensive than the weekly distribution described above, for example. In this procedure, the system finds the distribution key either from the BOM item of the individual dependent requirements or it is assigned to the control cycle centrally for the kanban calculation in Customizing for KANBAN (calculation profile). Here, equal distribution usually makes most sense.
You define the distribution key in Customizing under Production à Capacity Requirements Planning à Operations à Capacity Requirements à Distribution à Define Distribution Key.
The following graphic illustrates the procedure in the system:
