最优策略

In order to solve the temperature optimization Control for basification Tower in complicated bleaching process, the optimization control strategy is analyzed. To avoid trapping at local optimization effectively, the improvement method for standard genetic algorithm is proposed.

摘 要：针对工艺复杂的漂白工段碱化塔温度控制优化问题，分析了碱化塔温度优化控制策略，提出了标准遗传算法的改进方法IGA，有效避免了标准遗传算法寻优过早陷入局部最优解问题。

Moreover, by introducing memory function and vaccine inoculation mechanism of immune system, at the same time, DECA can converge to the optimal solution rapidly and stably.

通过改进的遗传策略来优化染色体长度，实现对聚类个数进行全局寻优，利用FCM算法加快聚类中心参数的收敛；并引入免疫系统的记忆功能和疫苗接种机理，使算法能快速稳定地收敛到最优解。

By using a finite term of the optimal sequence, a feedforward and feedback suboptimal control law is obtained.

采用次优控制以避免求解最优控制律的困难不失为一个控制策略[1～3 ] 。

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。

In order to simplify the process of solving dynamic programming equation, the lemmas and corollaries concerning properties of the optimal value function in up-peak of elevator are presented and proved; the structure of optimal dispatching policy in up-peak is constructed, and conclusion that the optimal dispatching policy in up-peak is a threshold policy is obtained.

为了简化求解动态规划方程，提出并证明了电梯上高峰优化值函数特性的相关引理和推论，构造了电梯上高峰最优调度策略的结构，得出了上高峰优化调度策略是基于阈值的策略的结论。

In accordance with the large scale and badly Ill-condition of image restoration,this thesis presents a class of regularized PCG algorithm which combines PCG algorithm and some regularization strategies.These strategies include the construction of new preconditioner,the adoption of optimum stopping rule and the extrapolation techniques of RPCG-solution with respect to regularization parameter.

本文针对图像恢复中问题规模大且病态严重等特点，将现行的PCG算法和若干正则化策略相结合，提出了一类正则化的PCG算法，这些策略包括：新预处理子的构造，最优停止准则的采用，关于正则参数的RPCG—正则解的外推策略。

This dissertation describes stochastic dynamic demand using Wiener process, builds up an optimal control model of pricing, and proposes the benchmark of estimating and adjusting price for maximizing total profit during product life cycle.

本文用Wiener过程描述随机需求的动态过程，建立了定价策略的随机最优控制模型，采用动态规划法，给出了以产品全寿命期总利润最大化为目标的价格策略模型，并在此基础上给出了价格调整策略判断依据。

The LSSVM (Least Square Support Vector Machines) was proposed to construct multi-objective optimization model for CWM concentration and ball mill electric current. MODE (multi-objective differential evolution) based on Pareto optimal concept is used to perform a search for determining the optimum solutions, from which the optimum adjustment mode that could heighten concentration and production benefit of CWM is obtained based on fuzzy theory.

利用最小二乘支持向量机对球磨机电流和水煤浆浓度进行多目标建模，并采用基于Pareto最优概念的多目标微分进化算法，对运行工况进行寻优，然后根据模糊集理论在Pareto解集中求得满意解，获得水煤浆浓度的优化调整方式和提高水煤浆生产效益的策略，用以指导水煤浆优化生产。

The substance of the Skyhook control is discussed and a new semi-active vibration control strategy based on acceleration feedback and velocity feedback is established.

该文讨论了Skyhook控制策略的本质，建立了基于加速度和速度反馈的半主动减振系统控制策略，该控制策略能使被控物体在该文所选择的性能指标函数下得到近似最优控制。

Firstly, because the triangle constrained matching propagation begins with the initial corresponding triangulations formed by a few seed points in the stereo pairs, this dissertation studies the affects of different numbers and different distributions of seed points on the image matching results through experimental analysis, and proposes a seed point selection strategy for different image texture conditions, an automatic selection algorithm is also designed that gives good distribution quality for a defined number of seed points.

首先，针对匹配传播过程中的种子点选取问题，通过实验分析研究了不同数量与分布的种子点所构成的初始三角网对匹配结果的影响，进而提出了不同影像条件下的种子点选取策略和一种自动提取一定数量、满足一定分布均匀度的种子点自动选取算法；其次，研究了海量数据情况下同名三角网的快速构建、数据组织存储与局部动态更新的方法；在此基础上，本文提出了随机传播、基于三角形拓扑关系的邻近传播和顾及纹理特征的自适应传播等三种传播策略，分别介绍了其详细的实现算法，并通过实验分析对这几种传播策略进行了比较，实验结果证明自适应传播方法在匹配的可靠性上最优。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。