upper level problem的意思|示意

The bilevel decision making system involves two optimization problems where the data of the upper level decision making problem is implicitly determined by the solution of the lower one.

二层决策系统包含着两个最优化决策问题，其中上层决策问题的目标值是由下层决策的解所隐含地确定的。

In this paper, based on the determined move set and structured tabu list, tabu search technique is used to solve the bilevel decision making problem with integer variables in the upper level.

对上层变量为整数型的两层决策问题，在确定移动集、构造禁忌表的基础上，提出了禁忌搜索解法。

The lower-level problem is to maximize the loading margin under a load change direction and the upper-level problem is to find the closest critical point subject to the constraints of load change.

下层问题求解某个负荷变化方向上的最大负载裕度，上层问题考虑负荷变化方向的约束，寻找最近的电压稳定临界点。