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基于Benders分解和分枝定界的随机交期批量流流水车间调度
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作者 石亚东 刘冉 +1 位作者 王铖恺 吴泽锐 《上海交通大学学报》 EI CAS CSCD 北大核心 2024年第8期1271-1281,I0001,I0002,共13页
针对交期随机的批量流车间调度问题,以最小化工件延期期望之和为目标,推导出工件交期符合3类经典随机分布条件下问题目标的闭式计算表达式.建立考虑换模时间与随机交期的问题数学模型,针对模型高度非线性特征对其线性化.设计一种基于逻... 针对交期随机的批量流车间调度问题,以最小化工件延期期望之和为目标,推导出工件交期符合3类经典随机分布条件下问题目标的闭式计算表达式.建立考虑换模时间与随机交期的问题数学模型,针对模型高度非线性特征对其线性化.设计一种基于逻辑的Benders分解(LBBD)与分枝定界相结合的优化算法,提出两种有效加速策略提升算法求解效率.数值实验结果验证了算法的有效性,通过随机交期与确定交期结果的比较,验证了考虑随机的必要性. 展开更多
关键词 随机交期 批量流 Benders分解 分枝定界
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Stochastic Maximum Principle for Optimal Control Problems of Forward-Backward Delay Systems Involving Impulse Controls 被引量:3
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作者 WANG Shujun WU Zhen 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2017年第2期280-306,共27页
This paper is concerned with the optimal control problems of forward-backward delay systems involving impulse controls. The authors establish a stochastic maximum principle for this kind of systems. The most distingui... This paper is concerned with the optimal control problems of forward-backward delay systems involving impulse controls. The authors establish a stochastic maximum principle for this kind of systems. The most distinguishing features of the proposed problem are that the control variables consist of regular and impulsive controls, both with time delay, and that the domain of regular control is not necessarily convex. The authors obtain the necessary and sufficient conditions for optimal controls,which have potential applications in mathematical finance. 展开更多
关键词 Forward-backward stochastic differential delay equations impulse controls maximum principle optimal control.
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