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Baan LN讲义中这样定义MRP:
MRP: Materials Requirements Planning, in SSA ERP LN also called Order Planning
可见,Baan LN中没有MRP一说,只有Order Planning。事实上,在Baan中跑计划,也就是执行一个命令:Generate Order Planning
之前还有听说过Simulate Orders的说法,说到这个首先得提到Scenario这个概念:
Scenarios
You can define several scenarios, each which its own set of planning parameters. A scenario is an umbrella for a specific set of planned orders that were planned according to scenario-dependent parameter settings. In
this way you can simulate several situations.
You can also change the planning data manually after order generation. In this way, you can see the impact of his planning action compared to the generated plan.
Actual scenario
You must specify which of the scenarios is defined as the Actual Scenario. The actual scenario is the scenario of which the plans and orders are to be actually executed.
由此可见,Scenario就是系统设定的一个大环境,在这个环境中才能跑出Planned Purchase/Distrubition/Production Orders和Warehouse Orders等等跟计划相关的数据。
但是Scenario可以定义很多个,所以在每个Scenario中跑计划,就叫做Simulation,这只是一个模拟运行,并不是真正的需求。当然有一个特例,即只有在Actual Scenario中模拟出来的所有跟计划相关的数据,才是真正的需求,只有在这个环境下simulation的结果,才是真正被系统执行的。 |
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