查询词典 optimal control

In chapter 4, genetic optimal based design of dynamic fuzzy control system is discussed.

第四章讨论了基于遗传优化的动态模糊控制系统的设计方法。

Experimental results show that the optimal set of elementary siphons ensures more permissive behavior with fewer controlling places in the controlled net system when the same deadlock control policy is applied.

实验结果表明采用相同的控制策略，最优基本信标可以使目标网系统在添加尽可能少的控制库所的同时生成尽可能多的许可行为。

The optimal stimulating frequency, Po, fatigability and time-dependent recovery of intermittent tetanic contraction were not altered in unloaded EDL compared with control.

对照组大鼠EDL的最适刺激频率为120 Hz，悬吊1、2与4周组EDL的最适刺激频率、疲劳性以及疲劳后恢复过程均未发生改变。

The optimal stimulating frequency, P_, fatigability and time-dependent recovery of intermittent tetanic contraction were not altered in unloaded EDL compared with control.

对照组大鼠EDL的最适刺激频率为120 Hz，悬吊1、2与4周组EDL的最适刺激频率、疲劳性以及疲劳后恢复过程均未发生改变。

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 ] 。

Next, through a finite iteration of the solution sequence, an approximate solution of the optimal output-tracking control problem is obtained.

首先根据原系统最优输出跟踪控制问题构造了两个分别具有已知初始条件和终端条件的微分方程迭代序列，并证明它们一致收敛于原问题的最优解。

Through hydraulics experiment study on the hydraulic automatic control oscillating flashboard of 3 m×6 m with connecting rod and idler wheel, the back fulcrum of the flashboard optimal design under steady operation is found.

通过对 3m× 6m连杆滚轮式水力自控翻板闸门的水力学试验研究，优化出闸门运行稳定最佳设计后支承点位置，并且将试验成果应用于实际工程中，取得了较好效果。

In the second part of this paper, the optimal standard and scale of flood control system are studied.

第二部分，研究了防洪的最优标准与最优规模问题。

Other optimal functions such as flow control and resource management are operated on the basis of it.

对于所有的网络系统，拓扑结构和路由优化都是网络设计和优化首先考虑的问题。

This paper mainly consists of three parts:(1) Based on the Reddy's higher-order shear deformation plate theory and general von Kármán-type equations, put forward the governing equations of pre- and post-buckled vibration of several hybrid FGM plate forms which have not been studied adequately, triumphantly applying the perturbation technique combined with Galerkin method into equations solving, and get the comparatively simple result forms with complicated deduction at last;(2) As a new type of materials, piezoelectric fiber reinforced composite actuators were applied to optimal vibration control, interrelated informatons be depicted in this paper;(3) During the investigative cource, some factors not been considered adequently in other researches were discussed fully in the postbuckled vibration analysis, such as the temperature-dependent material coefficients, heat conduction and nonlinear vibration characteristic etc.

本文的研究工作主要包括：(1)基于Reddy高阶剪切变形板理论和广义Kármán型方程，给出了几类现有研究成果较少或没有彻底解决的FGM混合板结构的屈曲前和屈曲后振动特性研究的控制方程，成功将摄动-Galerkin混合法应用于求解过程，并给出了各控制方程相对直观且易于计算的解析解形式；(2)单向压电纤维增强复合材料(Piezoelectric Fiber Reinforced Composite，简称PFRC)是一种新型压电材料，本文将其应用到了结构振动控制研究当中，发现通过压电纤维体积含量的选择可以实现混合板结构的优化振动控制；(3)围绕几种有代表性的FGM混合板结构，讨论其屈曲后的振动特性，在分析中同时考虑热传导，材料物性参数的温度相关性，以及机/热/电荷载耦合效应对非线性振动特性的影响，最后给出了大量数值计算结果。

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。