最优控制

In order to define optimum control algorithm, the integrated shifting dynamic models of engine, magnetic powder clutch and transmission set are established. The shifting process is simulated and analyzed thoroughly.

为确定最优的换挡控制算法，建立了发动机、磁粉离合器与变速器集成的动力学模型，进行了升挡与降挡过程的仿真计算和深入分析。

The theoretical removal function of a grinding/polishing tool is given and the optimal technological parameters is achieved by experiments.

介绍了计算机控制光学表面成型技术的基本原理，对双旋转磨头的去除函数进行研究，研究了不同形状的磨头的去除函数特性，并在多次实验的基础上得到了最优的加工参数，在去除函数的基础上提出了模板函数的概念及算法。

According to tire valve assembling craftwork, give the math model based on Petri Net and stimulate it, and get the best scheme. All these work afford a precondition and macroscopical guidance for study and making out a good function tire valve assembling equipment.3Have a deep research on the whole structure of the assembly equipment. Great innovation is presented in the design process of 9 suits of transmission machine and 5 sets assembly tongs, so that the structure is compact and the tongs have good fuctions. Especially, the design of tongs for extrusion is perfect as the author think.4 Hardware about control is selected carefully and software is programmed seriously.

故此，按照现有的气门芯装配工艺，运用Petri网对气门芯装配进行了数学建模，并对之进行了装配仿真，得出理想状态下的最优方案，为研制高效的气门芯装配系统提供了必要的前提条件和宏观指导； 3对装配系统的整体结构作了深入研究与规划；对9套送料机构和5套装配夹具进行了大胆的创新设计，使得整套系统结构紧凑，装配夹具性能优良，尤其是镦顶夹具的设计，为作者得意之作； 4控制系统硬件进行了精心选型，软件进行了认真编写。

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

In chapter three, the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically. In this chapter, the mechanical impedance of piezoelectric shunt damping system is analyzed, and the parameters of the RLC piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect.

第三章。研究了利用压电分流阻尼系统进行压电智能悬臂梁被动振动控制的方法，分析了压电分流阻尼系统的机械阻抗，并通过传递函数方法对RLC串联压电分流谐振电路元件的参数进行了优化，以使压电分流阻尼系统的阻尼效果达到最优。

The boundary of analytical model and statistical model is clearly divided in this performance model, and evaluation accuracy is improved. Secondly, based on embedded SRAM performance hybrid model, this article adopts bionics algorithm-ant algorithm to optimize hierarchical embedded SRAM structure. This method which adjusts memory system structure improves memory system performance. Finally, considering the factors such as memory cell area, power, delay and reliability, this article establishes static 6-T memory cell area, power, delay and static noise margin equations, analyzes 6-T memory cell device dimension constraints under "read upset" and "write upset", then proposes a method to enhance embedded SRAM performance by optimizing 6-T memory cell size. In order to realize embedded SRAM design and verify proposed optimization methods, this article takes the Garfield202 system chip as the platform, which embeds A720T processor and 20KB Scratch-Pad memory.

首先针对嵌入式SRAM结构，采用多元线性回归方法分析SRAM宏单元性能指标，采用解析方法分析控制电路延时，结合以上这两种方法建立嵌入式SRAM性能混合模型，该模型清晰划分两种建模方法的各自适用范围，提高了模型精度；其次以该混合模型为基础建立存储体性能目标函数，采用仿生优化算法—蚂蚁算法优化嵌入式SRAM结构，使之达到最优设计；最后综合考虑面积、功耗、速度以及可靠性等因素，建立静态6-T存储单元面积、功耗、延时以及静态噪声容限方程，分析了&读破坏&和&写破坏&的晶体管尺寸约束，优化了6-T存储单元尺寸，提高了嵌入式SRAM性能。

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。

Geosynchronous orbit ; Orbital control ; Optimal strategy

地球同步轨道；轨道控制；最优策略

Ased on the fact that the boundaries of the practical dynamic security regions can be expressed as hyperplanes and the experiential laws about the extended PDSR, this paper develops a new comprehensive security control method that takes both preventive and emergency control actions into consideration.

基于实用动态安全域的边界可用超平面表示这一事实和扩展实用动态安全域临界面的迁移规律，本文给出了一种最优安全性综合控制的新方法。

The model of relative motion of formation flight was established in the path coordinate frame, the concept of miss distance which is combined to obtain the control law of the wingman with the Lyapunov stability theorem.

建立了以航迹坐标系为参考坐标系的长机与僚机的相对运动模型，根据僚机距离长机最优位置的误差，利用李亚普诺夫稳定性理论设计队形构成中僚机的控制律。

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。