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Under the action of excellent memory cell, the search of algorithm to global optimum is rapid and effective.

该算法的核心在于保持种群的多样性和执行强化学习及弱小保护策略,算法不仅保持了优良抗体在进化中的主导地位,而且充分发掘强成长性抗体的寻优潜力,在优良记忆库的作用下,算法对全局最优的搜索快速且有效。

A control strategy based on optimal control and optimal filter for dynamic voltage restorer was proposed.

提出基于最优控制和最优滤波的动态电压恢复器控制策略。

By means of the semigroup theory, spectrum theory, positive cone theory, integrated equation theory and optimal control theory, we obtain the existence of thresholds of these models, the existence and stability of the infection- free equilibrium and the endemic steady state, and the existence of optimal vaccination strategies, etc.

运用泛函分析中的半群理论、谱理论、正锥理论以及积分方程理论和最优控制理论,系统地研究了这些模型的阈值的存在性,无病平衡态和地方病平衡态的存在性和稳定性,最优接种疫苗策略的存在性等。

In the heredity community renewal process, the paper uses one kind of new crossover operator——Improvement Order Crossover, the better solution two difficult problems both has been able to maintain the fine characteristic of father generation, does not destroy the sub-way which produces already in the most superior routing, and can guarantee when participation in the crossover two individual body is same, causes the genetic algorithms not to be able precociously to restrain in the partial optimal solution.

在应用遗传算法求解时,提出采用惩罚策略处理目标函数中对车辆容量的限制和客户对不同时间窗的需求约束,从而使目标解所对应的染色体能够根据违反约束的程度,具有不同大小的适应度;在遗传群体更新过程中,本文采用一种新型的交叉算子——改进的顺序交叉,更好的解决了既不破坏父代染色体中已产生的最优子路径,还能保证当参与交叉的两个个体相同时,遗传算法不会早熟收敛于局部最优解的两个难题。

The strategy of decomposition and coordination is proposed based on the resolvability of HEN's exergy-economic objective function, which is between optimizaition of network and optimization of mach units.

在换热网络目標函数可分解性的基础上,本文又进一步提出了换热网络分解协调优化的研究策略,它是在各个匹配单元和整个换热网络结构之间进行优化协调,並获得换热网络的最优结构和各匹配单元的最优操作参数。

Then assuming that the defective rate and ordering cost were the triangular fuzzy numbers, the signed distance, a ranking method for fuzzy numbers, was used to de-fuzz the objective.

最后利用仿真实验验证了该策略,并研究分析了缺陷率和订货费用的模糊性对最优订货批量和最优利润的影响。

We derive the optimal input and service feedback control policy by using the uniformization technique and stochastic dynamic programming.

对于具有随机输入和随机需求的一类不可靠柔性制造系统,利用转移率一致化技术和随机动态规划方法,给出了输入率和服务率分配的最优反馈控制策略,指出系统的最优控制具有bang bang形式的开关结构,数值例子验证了文中的结

The inventory cost is a primary component of the supply chain cost, and the method for multi-echelon inventory optimization and control must be adopted for the sake of the entire supply chain optimization and control, t present, papers on multi-echelon inventory systems have solved some problems, but they still have limitations. Firstly, they assumed that leadtime are constants. In practice, as the unknowable incidents exist in production, transportation and distribution processes, leadtime usually are uncertain. Secondly, there exist the hypotheses of totally back orders or completely lost sales under the condition of stockout in most literatures. Thirdly, the existing two-echelon inventory approximate model optimum always fixes one variable in the inventory strategy, and then seeks the optimal in the remained parameters, which makes the result can not be the best outcome.

目前有关两级库存优化控制的研究文献大多是假设提前期为常数的基础上建立模型,然而现实中由于供应链上各节点的库存不确定性以及运输、生产、交货等环节的不可预知性,使得提前期在多数情况下是不确定的;而且大部分文献都是假设缺货情况下要么完全延迟交货,要么完全损失销售,很少有考虑部分损失销售情况下库存优化控制的;另外,现有的两级库存近似模型的优化大都是固定一个库存策略中的变量,对余下变量寻优,其优化结果不可能是最优结果。

First, it is discussed about the relation between the dynamic stiffness submatrix of the supports system with variable stiffness and damping and the optimum output-feedback matrix when the rotor-supports system is governed by the optimum control laws.

本章进一步研究转子—轴承系统变刚度阻尼支承振动主动控制问题,提出了在最优振动主动控制规律的有效频率范围以外,对转子—轴承系统进行次优振动主动控制的策略思想。

The flexible manufacturing systems considered in the paper consist of possible unreliable workstations, whose inputs may be random. We derive the optimal input and service feedback control policy by using the uniformization technique and stochastic dynamic programming. It is shown that the optimal policy is of bang-bang type. Numeric example is given to illustrate the results.

对于具有随机输入和随机需求的一类不可靠柔性制造系统,利用转移率一致化技术和随机动态规划方法,给出了输入率和服务率分配的最优反馈控制策略,指出系统的最优控制具有bang-bang形式的开关结构,数值例子验证了文中的结果。

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推荐网络例句

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。