最后，将算法进行改进用于求解考虑机组爬坡速率的机组组合问题。

Finally, the proposed algorithm was improved for solving the unit commitment with ramp rate constrains.

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针对此问题，建立了考虑机群出力约束的机组组合模型，将问题转化为两层多下级无关联的主从递阶单目标决策问题。

The model is translated into a two level single object decision making problem with leader follower strategy with no relation between lower levels.

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但由于机组投运风险水平与机组强迫停运容量呈离散型的分布关系，因而难以与拉格朗日松弛法的机组组合算法有机结合。

However, the relation between unit commitment risk and forced outage capacity is a discrete distribution, the Lagrangian Relaxation unit commitment algorithm isn't used directly.

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