查询词典 optimal control

Based on the analysis of teaching process, the concepts of teaching efficiency, learning efficiency, absorptivity of professional knowledge and skills are put forward, and an optimal control model of teaching process is established.

在分析教学过程的基础上，提出了教授率、学习效率、专业知识和技能吸收率的概念，并应用这些概念建立了教学过程最优控制模型。

Chavent's research for matching the history of production in a field by use of optimal control theory and through the research for the space of the adjoint function, we have extended the theory of adjustment for the ease of a single-phase system to a double-phase one.

Chavent利用最优化理论研究油气藏生产动态拟合的基础上，通过对伴随函数空间的研究，将辨识理论由单重介质系统扩展至双重介质系统，并针对原方法多解，迭代中易发生逸出、振荡、仅收敛于局部极小等困难，重点研究和探讨了改善问题的适定性和加速算法的收敛性问题。

The formal solution of partial differential equations is given on characteristic line, the existence of the optimal control is proven by using Ekeland\'s variational principle, Gronwall Lemma and adjoint system, then the necessary condition of optimality is obtained by means of the conception of normal cone.

用特征线法表示出偏微分方程的形式解，利用Ekeland变分原理，Gronwall引理和共轭系统证明了最优控制的存在性，并借助于法锥概念得到了最优控制的必要性条件。

The obtained optimal control law consists of analytical linear feedforward and feedback terms and a nonlinear compensation term which is the limit of the adjoint vector sequence.

得到的最优控制律由解析的线性前馈－反馈项和伴随向量序列极限形式的非线性补偿项组成。

The optimal control law consists of an accurate linear feedback term and a nonlinear delay compensation term that is the limit of an adjoint vector sequence.

最优控制律由精确的线性反馈项和非线性时滞补偿序列的极限项组成。

In this paper, model of vehicle with double axes is used to study the vibrations of vehicle-bridge dynamic interaction system. The active control law based on linear optimal control theory is designed, In which the transient power flow and displacement at mid-span of bridge are accounted separately.

本文采用能更加逼近真实车辆的双轴车辆模型，应用线性最优控制理论，采用可有效控制一阶振型的双臂弯矩控制系统，分别以双轴车辆输入桥梁的瞬时功率流和桥梁的跨中位移振动响应为目标函数来设计控制律。

Through the bypass optimal control of HEN, to which pinch point technology was applied, the total utility cost was minimized, and at the same time the commands on control performance could be reached, which was shown by the simulation of a heat exchanger network.

实例仿真表明，这一旁路优化控制方法在满足控制要求的同时明显降低了网络的总公用工程，验证了其有效性。

By considering wind resistance and wheel rolling resistance in vehicle single wheel brake model, the control technology of realizing the shortest brake distance has been studied by utilizing the optimal control theory, and the shooting methods based on initial variable guess technique has been provided to realize numerical calculation.

5在考虑风阻和轮胎滚动阻力的工况下，对以最短制动距离为目标的ABS控制律进行了研究，并利用基于初值猜测技术的打靶法进行了数值仿真。

Since the voltage not only has relationship with both the reactive power and the balance of reactive load, but also relies on the structure of network and capability of voltage regulation, the system takes all the factors above into consideration and adopts the methods as follows: realizing grading control and management according to the voltage level and region partition, realizing jointly regulation and information pool by the application of advanced software in local and central station, realizing the optimal control of reactive voltage based on the measurement data from the regulative automation system and the angle of the whole system, realizing the exact application of reactive compensator and the on-load tap appropriate changer for voltage regulation transformers , and realizing the balance of reactive voltage in local site.

随着调度自动化系统的日益普及，以及越来越多的电网中的有载调压分接开关和电容器补偿装置投入使用，本课题研究开发基于分级递阶的地调/中心站模式无功电压控制系统，由于电压既与无功功率和无功负荷平衡有关，又与电网结构、调压能力有关，所以系统考虑电压等级、按区域实施分级控制、分级管理，利用中心站和地调的电力系统高级应用软件的作用实现众多装置的联合调整，信息共享。

The test results show that this optimal control strategy is better than the conventional control strategy for multiple chillers system.

试验结果表明，该优化控制策略优于常规的负荷等额分配控制或区间负荷比例分配控制策略。

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。