查询词典 optimal control

The positions and functions of the inventory control in the environment of supply chain are discussed first. The analysis on main conflict problems needed to be determined is presented. Based on the algebraic Petri nets the modeling research on vender managed inventory is proceeded on. Considering the shortages of the original algorithms, the improvements are putout to speed up the search process and improve the precision of the search results. The optimizations of lots sizing problem with the objective function of inventory costs are processed by the improved optimal algorithms. By the analysis on the results of the optimization, the conditions of overtime work, out of stock, and security stock are achieved.

文章首先讨论了供应链环境下库存控制在物流管理中的地位和作用，分析了库存控制需要解决的主要矛盾；然后应用代数Petri网对供应商管理库存(Vender Managed Inventory，VMI)的模式进行了建模研究；针对原始的粒子群优化算法和遗传算法存在的不足，分别提出了改进型算法，提高搜索速度和搜索精度；运用改进的优化算法对以库存成本为目标函数的批量计划问题进行了优化，通过优化结果的分析，得出了批量生产计划安排中加班、缺货和安全库存的存在条件。

Strategy for designing optimal bounded control to minimize the response of quasi partially-integrable Hamiltonian systems with stochastic excitations is proposed based on the stochastic averaging method for quasi partially-integrable Hamiltonian systems and the stochastic dynamical programming principle.

本文提出了一种基于拟部分可积Hamilton系统随机平均法和随机动态规划原理的最优有界控制策略。

It is designed to control wheel slip to an optimal level, allowing hard accelerations at launch to achieve maximum grip and vehicle acceleration.

这是为了控制车轮打滑一个理想的水平，努力使发射时的加速度，以达到最大的抓地力和车辆的加速度。

A nonlinear main steam valve controller of turbine generator is presented,on the basis of nonlinear optimal predictive control theory.

基于非线性最优预测控制理论，提出了一种汽轮发电机主汽门开度非线性预测控制器的设计方法。

Theoretical and experiment researches of transmission mechanism and control strategy of the CVT have been carried out under the project (59835160) financed by National Natural Science Foundation which includes follow content:1The kinematic relation of the metal pushing V-belt type transmission is analyzed. The relation among oil pressure of pulley cylinder, transmission ratio and input torque under load condition is studied. Optimal design method for metal pushing V-belt type continuously variable transmission is put forward.2Based on the engine experiment, torque and oil consumption model of engine are established by method of spline interpolation. The optimum economy and performance curves are put forward.

本文在国家自然科学基金重点项目（资助号：59835160）资助下，对金属带式无级变速传动系统的传动机理、匹配及控制策略等进行了系统深入的理论分析和实验研究，具体研究内容如下：1）系统地分析了金属带无级变速传动的基本运动规律，研究了在负载状态下，带轮油缸压力与速比和输入转矩的关系，提出了对金属带式无级变速传动系统进行优化设计的方法。2）通过发动机台架试验，利用样条插值方法构造了发动机转矩和发动机油耗模型，确定了发动机最佳经济性与最佳动力性工作线。

Optimal initial set-up is verified, machine and tooling capability studies become a realistic exercise, and dimensional control of the threading process maximizes both machine and operator efficiency on a real-time basis.

最优的初始设计已经被核实过，机器与刀具能力的研究变成了一个现实的行动，在一个实时系统中攻丝过程中的尺寸控制使机器与操作人员的效率最大化

Based on the study of the geological characteristics of drilling engineering at the Tongnanba belt, it is proposed to adopt optimal gas drilling, foam drilling, vertical drilling, compound drilling, rotary drilling and other drilling-oriented approaches to promote the fast and vertical drilling, to optimize the casing program and determine the appropriate casing sealing points to get proper hole sizes, to optimize drilling fluid performance to improve its anti-sloughing and lubrication capability, to stress bit selection to improve rock-breaking effects, and to take concrete lost circulation control measures to reduce non-productive time.

通过对通南巴构造带工程地质特征的研究，提出如下对策：①优选气体钻井、泡沫钻井、垂直钻井、复合钻井、旋转导向钻井等钻井方式，促进防斜打直、打快；②优化井身结构设计，合理确定必封点，科学确定井眼尺寸；③优化钻井液性能，提高防塌、润滑效果；④强化钻头选型，提高破岩效果；⑤细化防漏堵漏措施，减少非生产时间等。

The application illutrates that, the method is suit for the decison making as optimal scale of flood control constrution with risk factors.

最后，对所取得的成果作了简单总结，并提出了今后工作的任务与方向。

And high speed aluminum foil roughing mill is optimized, a series of experimental research is carried out on influence of roll shape parameters on profile and optimal roll shape's profile control ability.

首次提出与目标板形对应的负载辊缝形状为目标函数，优化了宽幅高速铝箔粗轧机的工作辊辊型曲线，针对辊型参数对板形的影响及优化辊型的板形控制能力进行了大规模的系统实验研究。

For optimal design of mobile robot path planning problem,a fuzzy control method is designed.

针对移动机器人最优路径规划问题，设计了一种模糊智能控制方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。