For material requirements planning with uncertain demands under rolling horizon, a simulation is conducted to study the impacts of the freezing parameters and two typical scheduling algorithms on the instability of the production schedule in different production environments. design factors;
介绍物料需求计划不稳定性的基本概念和模拟研究方法。在不确定性需求的滚动式计划环境下,研究冻结参数和计划算法在不同生产条件下对物料需求计划不稳定性的影响。
Study on the instability regions of ship rolling with nonlinear coupling of heave and roll was presented.
研究了横摇和垂荡非线性耦合情况下的动力不稳定区问题。
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