最优控制

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 ] 。

We obtain the stabilization of phase-field system via inner feedback control and establish the Pontryagin's maximum principle for the controlled Boussinesq system with state constricted.

我们研究了受内反馈控制的phase-field系统的稳定性；给出了具有内控制的Boussinesq方程的最大值原理；对2维Boussinesq方程时间最优控制问题给出了最大值原理。

Viability Theory is applied to the optimal control problem for switching time varying systems in this dissertation for the first time. The statement about a characterization of the extended value functions as the unique lower semicontinuous solution to a Bensoussan-Lions type QVI is proved.

本文首次将生存理论这一数学工具应用到有限时间切换时变系统的最优控制问题中，得到了最优控制问题的值函数是一类拟变分不等式唯一的下半连续解的重要结论。

Chapter 1 discusses multiple parameters simultaneous estimation of a two-dimensional distributed parameter system; First, the distributed parameter system is transformed by applying a Laplace transform; Then by defining the objective function combined with the principle of optimal control, the problem of parameter estimate is converted into the problem of optimal control.

第一章讨论了一类二维分布参数系统的多参数同步辨识问题。首先利用Laplace变换对原系统方程进行了转换；然后结合最优控制原理定义目标泛函，将参数辨识问题转化为最优控制问题。

We derive the optimal input and service feedback control policy by using the uniformization technique and stochastic dynamic programming.

对于具有随机输入和随机需求的一类不可靠柔性制造系统，利用转移率一致化技术和随机动态规划方法，给出了输入率和服务率分配的最优反馈控制策略，指出系统的最优控制具有bang bang形式的开关结构，数值例子验证了文中的结

To solve the difficulties of digital integral that exist in global optimization of redundant manipulators, this paper discussed how to build up dynamic equation, the inner relation between constraints and unconstraint optimum control problems, then a digital method solving optimum control problems is deeply analyzed.

为了解决冗余度机器人全局法优化中数值求解的困难，本文讨论了动力学方程的建立、无约束和有约束最优控制问题之间的内在联系，重点分析了求解最优控制问题的数值方法。

The flexible manufacturing systems considered in the paper consist of possible unreliable workstations, whose inputs may be random. We derive the optimal input and service feedback control policy by using the uniformization technique and stochastic dynamic programming. It is shown that the optimal policy is of bang-bang type. Numeric example is given to illustrate the results.

对于具有随机输入和随机需求的一类不可靠柔性制造系统，利用转移率一致化技术和随机动态规划方法，给出了输入率和服务率分配的最优反馈控制策略，指出系统的最优控制具有bang-bang形式的开关结构，数值例子验证了文中的结果。

We show that the value function satisfies a free_boundary problem, prove the existence of the optimal policy by variational equation and get the optimal policy.

给出了价值函数满足的自由边界，用求解变分方程的方法证明了最优控制的存在性，并找到了最优控制策略。

It is attested that the control strategy in the paper does correspond to sub-optimum control.

并推导证明了这种控制方法在实际上符合最优控制思想的次最优方法。

Surface temperature control of paper machine driers used to produce 6μ capacitor paper is discussed in this paper. Mathematical model of the controlled plant is obtained by means of dynamic measurement and theoretical analysis.

对于生产高级电容器纸的烘缸表面温度的最佳分布和最优控制的问题，本文用机理分析和动态测试相结合的方法求得了数学模型；设计了前馈-反馈最优控制系统。

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。