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The results show that there will be slight decrease of the control efforts when the mean absolute value or the root mean square value of the optimal control force is taken as the maximum designed control force, while the maximum control force of MR damper can be decreased by 85% compared with the maximum optimal control force. The decrease in the designed control force can not only significantly increase the capability of MR dampers, but also reduce the dimension of MR dampers for pratical application in engineering.

研究表明,当设计值取最优控制力的平均绝对值或均方根值时,MR阻尼器的最大控制力比最优控制力的最大值降低了85%,而控制效果降低不多,可以满足对结构的控制要求;降低最大控制力设计值后,不但可以充分发挥MR阻尼器的出力性能,而且可以缩小MR阻尼器的设计尺寸,便于工程应用。

It is improved to solve the prematurely and stagnation problems of traditional Ant Colony Optimization in the paper. First, mean value method is used to update pheromone to avoid premature convergence which leads to non-globally optimal solution. Second, Pheromone is updated by Best Track to speed the rate of convergence which will help to avoid locally optimal solution.

本文针对基本蚁群算法比较容易陷入早熟和停滞,对现有蚁群算法的信息素更新规则进行了改进,一是采用平均值法更新信息素,避免算法过早收敛于非全局最优解;二是采用最佳路径法更新信息素,可加快收敛速度,并使算法跳出局部最优解。

An optimal power flow based learning model for two-layer medium- and long-term optimal bidding strategy is proposed.

文章提出了以最优潮流为基础的双层中长期最优竞价策略学习模型。

Both of the thermophiles were motile by means of lophotrichous flagella and had high growth rate on medium containing cellulose. Optimal growth occured at 60℃ for the two thermophiles and at PH 7. 5 for Y, PH 7. 37. 5 for W strain. Y strain produced yellow pigment in cellulose medium and had yellow-colored, round or watery colonies in cellulose agar. The colonies of W strain were white -colored and similar in form to that of Y strain. The mesophile, Clostridium sp. B, was motile with peritrichous flagella. The colonies grown on cellulose agar were white and round with slightly undulate margins. The optimal growth temperature and PH of B strain were 40℃ and 7. 0-7. 2, respectively. All of the three Clostridia fermented varieties of carbohydrates and in cellulose media produced the similar end-products: CO〓H〓, ethanol and acetic acid. The DNA compositions were 34 mol% for Y and B, 35 mol% for W strain.

嗜热菌y与w在含纤维素的培养基中生长迅速,其最适生长温度均为60℃;最适PHy为7.5,w为7.3-7.5.y菌在纤维素培养基中产生黄色,在纤维素琼脂中菌落为黄色并呈圆形或流动粥样。w菌落为白色,但形状与y菌类似,嗜温菌B在纤维素琼脂上菌落为白色,圆形,边缘呈微小波状,最适PH与温度分别为7.0-7.2和40℃,三支菌都可发酵多种碳水化合物,且在纤维素培养基中产生同样的产物:CO〓H〓,乙醇和乙酸,三者DNA组成分别是y为34mol%,w 35mol%,B 34mol%。

Under the condition of changing in demand, this may lead to large minimum cost deviation between the designed optimal network and real optimal network, respectively.

往往造成构建出来的最优网络,在需求发生变化的条件下,与实际对应的最优解存在较大的最低成本优化偏差。

Methods for calculating the optimal solution of the minimum time attitude slewing motion and the energy-optimal problems were obtained using Genetic Algorithm, which does not need initial guesses and increases the calculational efficiency.

同时,将遗传算法引入卫星姿态控制的数值计算中,求解最短时间控制问题和能量最优控制问题,发展了一种新的最优控制问题的计算方法,避免了对迭代初值进行猜测的困难,提高了计算效率。

The dynamic field equation is optimal pure strategy of the games; and the statistical quantum field equation is optimal mixed strategy of the games.

动力学场的场方程是该博弈的最优纯策略;而统计性的量子场方程则是该博弈的最优的混合策略。

In the end,the communication performance of the UWB pulse in the paper and the optimal Gaussian-based monocycle is compared,our pulse have an obvious advantage over the optimal Gaussian-based monocycle.

最后,对设计的脉冲波形和最佳高斯波形的通信性能进行了比较,表明文中波形的性能明显优于最佳高斯波形。

The problem of multi-objective usually meet many conflict each other and can not use the objective of the same standard unit, then to employ membership function of fuzzy theory,at first each objective function to change fuzzy set and express with membership function, membership function include the maximum constraint, minimum constraint, the decrease function of monotonic property, to become optimal of the multi-objective function, but still to scanty of weighting value with regard to adjustment of objective function, thus this thesis proposes the method of combine orthogonal arrays and particle swarm optimization to solve the problem of multi-objective optimal power flow, each objective function separately add weighting value, to setting each weighting value of objective function in order to the result of anticipating.

多目标最佳化的问题通常会面临到许多互相冲突且不能用同ㄧ标准单位的目标,於是利用模糊理论中的归属函数,首先将各目标函数转换成模糊集合并以归属函数表示,归属函数包含了最大限制值、最小限制值、单调的递减函数所组成,将各目标函数利用归属函数表示,形成单一目标函数的最佳化,但是仍缺乏权重值对於目标函数的调整,於是本篇论文提出ㄧ种权重值设定与粒子群优演算法的方法去解决多目标最佳电力潮流的问题,将各目标函上分别加上权重值设定各目标函数的权重值,得到预期的效果。

Homing project research of parafoil system on optimal control was developed. And the characters of it were analyzed and summarized. To solve the optimal control problem, some methods about pre-solver analysis and treatment were put forward, such as moving equations translated into frame of wind and normalized.

在最优控制的求解中,提出了向风坐标系转化、无量纲化等解前分析的思想,简化了计算,方便了加权因子的选择,使目标点可达与不可达的翼伞系统归航轨迹最优控制问题得到了统一的求解。

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他的红酒和白酒的品质,根据酿造者的能力和葡萄的质量,各有差异。

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