最优控制

The optimal control law obtained is composed of feedforward and feedback optimal terms without time-delay in analytic forms and a compensation term with time-delay in a sequence limit form of adjoint vectors.

得到的最优控制律由解析的无时滞前馈－反馈控制部分和伴随向量序列极限形式的时滞补偿控制部分组成。

In this paper, we consider the optimal control problem of time-delayed forward-backward stochastic system when control set is convex.

本文研究了在控制集为凸集的情况下带时滞的正倒向随机控制系统的最优控制问题。

This method solves the problems of choosing coefficient matrices,and it does not need to satisfy a terminal state equality constraint.

但目前关于PL系统控制的研究[2~4]主要集中在最优控制方面，而关于PL系统预测控制的研究比较少。

To weaken the influences of the position-dependent periodic disturbances and parameter uncertainties, the robust repetitive controller was designed, which associated structure singular value theory with the discrete-time repetitive control theory. The problem of robust repetitive control was transformed into one of H∞ optimal control using linear fractional transformation. The robust repetitive controller was achieved using D-K iteration procedure and made the servo system have stability, robustness and tracking performance.

为了削弱周期性扰动及参数变化不确定性的影响，将重复控制和结构奇异值理论相结合，利用线性分式变换(linear fractional transformation，LFT)将鲁棒重复控制问题转换成H∞最优控制问题，采用D-K迭代法设计鲁棒重复控制器(robust repetitive controller，RRC)，实现系统的稳定性和鲁棒性，提高系统的跟踪特性。

Through this study, it is feasible to use the control technology based on mode analysis, both the linear quadratic optimization control and the sliding mode control.

研究结果表明：本文采用的基于模态分析的控制技术，无论是线性二次最优控制还是滑动状态控制是可行的。

According to engine control parameter MAP attained through off-line type, control system realizes optimum control of A/F ratio and ignition advance angle. The system is called as static predetermined optimum control type.

控制系统采用静态预定最优控制方式即依据预先对发动机控制参数进行离线优化而得的脉谱，实现对空燃比和点火提前角的控制。

Under some proper conditions we prove the existence of optimal controls in the class of Lipschitz functions, and obtain an optimality condition looks somehow like Pontryagin's maximum principle for a smooth optimal control function.

在适当的假设条件下，我们证明了状态方程解的存在唯一性和最优控制的存在性；并且根据最有控制函数的光滑性进一步对最优化存在的必要条件进行分析。

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。

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。

Mathematical model of the higher four level inverted pendulum is particularly educed in this paper.

其次，本文主要研究了倒立摆系统的各种控制方法，包括现代理论控制方法（极点配置法、线性二次型最优控制）、滑模变结构控制方法、两种智能控制方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。