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主生产管理系统方案与物料需要方案的核算简化-->

 作为猜测完结的客户订单应从猜测中减掉。猜测耗费逻辑的方针是依据当时猜测和实践的订单精确地表明市场需要。经过正确的耗费猜测,能够核算每时区的客户总需要,并思考实践的客户订单和猜测在时刻上的区别。当客户需要和猜测在数量上一样但时区不一起,则呈现了时刻区别。
  猜测耗费能够挑选不一样的机遇来完结,即在订单录入时完结或在一个定时运转的核算进程中完结。这两个办法都是能够的。运用榜首种办法,在每次录入客户订 单时即更新未耗费猜测,体系从未耗费猜测中减掉客户订单。运用第二种办法,猜测耗费逻辑是一个独立的核算进程的一部分,而不是订单录入进程的一部分。换言 之,在接到客户订单时猜测坚持不变,独立的核算进程或者是主生产方案陈述的一部分,或者是一个独立的批处置使命。经过这个核算进程将客户订单总量和原始猜测相结合来核算未耗费的猜测。
  不管运用哪种办法,都要把原始猜测的和未耗费的猜测存在体系中。原始猜测能够用来对客户订单进行定时剖析以辨认潜在的非正常需要及趋势。把未耗费的猜测和其他需要加在一起来核算一项物料的总需要,从而使主生产方案和物料需要方案的核算得到简化。依照猜测耗费的逻辑,猜测应在客户订单所需要的时区内削减。如果在该时区内客户需要超越猜测,体系按拟定的规矩能够从该时区之前或之后的时区内削减猜测。体系还应有处置过期未耗费猜测的办法。
 

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