控制空间

This paper studied the lithologic characteristics, porosity and its evaluation, forming mechanisms of six kinds of volcanic rocks, and analyzed the evaluation history and the key factors about the main volcanic reservoirs, including andesite, basalt and tuff, etc.

对研究区火山岩岩性特征、储集空间类型、孔隙演化特征及其主要影响因素进行了深入分析，研究了区内6种火山岩的岩性特征及4个亚类储集空间的发育特征，深入分析了区内主要的火山岩储层如安山岩、玄武岩、火山角砾岩和凝灰岩等的孔隙演化过程及其控制因素。

In the functionally graded elastic half-space and the functionally graded covered layer, the motion control equations for the antiplane shear wave are solved, the analytical solutions for displacement and stress are obtained, and with these analytical solutions, the dispersion equation of Love wave is obtained.

对功能梯度弹性半空间和功能梯度覆层的反平面剪切波的运动控制方程进行了求解，给出了半空间和覆盖层的位移、应力解析解，给出了Love波在该解析解下的频散方程。

This method realizes the whole processes of autonomous path planning for free-floating space robot under Cartesian workspace, having good applicable foreground.

在已知空间机器人轨迹的条件下，采用空间机器人的逆动力学模型求解了各个关节的驱动力矩，并对真实轨迹和模拟轨迹进行了对比分析，保证误差在规定的控制范围。

The algorithm GS to solve the problem of inverse dynamics based on the optimal theory is proposed, by using the numerical methods of Gill and shooting target, the optimal joint driven torques are obtained With the smooth joint trajectory motion, a fast and stable inverse dynamics method is proposed, it provides a new effective way to control the flexible manipulator The trajectory planning in the joint space and Cartesian coordinates is especially discussed In terms of kinematics of space flexible link manipulators, a sequential integration method for inverse dynamic analysis of flexible manipulators is developed The concrete results of simulations tested and verified the validity of proposed methods, and some valuable conclusions are achieved.

提出了求解基于最优理论的柔性臂逆动力学问题的GS法(Gill—Shooting method)，得到了柔性臂关节的最优驱动力矩；提出了基于光滑关节运动轨迹的柔性臂逆动力学的快速稳定方法，为柔性臂控制提供了一条新的途径；探讨了关节空间和直角坐标空间柔性臂的轨迹规划问题；研究并完善了结合柔性臂运动学的顺序积分的逆动力学方法。通过具体实例的仿真研究，验证了所提出的柔性臂逆动力学方法的有效性，得出了一些很有价值的结论。

Meanwhile, the evolved law and space character are analyzed in detail, which can provide some basic rules for the determination of traffic management and traffic control strategy.

同时论文也对交通状态空间的演化规律和空间特性进行了详细分析，这为交通管理和控制策略的制定提供了基本的依据。

Thirdly, the thesis has conducted the simulation research of the three-phase voltage-type PWM rectifier system, has established the simulation models of the main circuit, the space voltage vector PWM control module and PI regulator, and has carried on the simulation for the three-phase voltage PWM rectifier system.

其次，介绍三相电压型PWM整流器的控制方法，深入研究三相电压型PWM整流器的空间电压矢量脉宽调制控制方法，进行三相电压型PWM整流器的PI控制调节器的设计。

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

Secondly, the vector control theory,the kinematics model and the sinusoidal space vector Pulse-Width-Modulation control technology were analyzed dividually, and then the mathematic simulation model of the servo system of PMSLM was built.

其次，综合运用电机控制理论和计算机仿真技术，分别对永磁同步直线电机的矢量控制原理、运动力学模型以及电压空间矢量脉宽调制技术进行分析，搭建了永磁同步直线电机伺服控制系统的数学模型。

The principle of TDTC and the field-weakening method are introduced. The space voltage vector PWM overmodulation method suiting is adopted. IDTC is extended to the whole speed range. This scheme is proved by experiments.

本文介绍了改进型直接转矩控制的基本原理，加入弱磁控制算法，同时采用一种适合工程应用的空间电压矢量PWM过调制算法，将改进型直接转矩控制扩展到全速度范围。

The analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefieldsthat the anomalies of cover structure confine most Cu-Au deposits and Fe-Cu deposits within their scopethat the geochemical anomalies and lithofacies-paleogeographical anomalies are major geological factors leading to trataboundness of some Cu-Au depositsthat the anomalies of rock operties provide the favorable chemical and physical conditions for the ore-forming process, including the seepage, circulation,convergence and deposit of ore-bearing hydrothermal solutionthat the anomalous ctive stage of Mesozoic magmatite is almost consistent with the major mineralization epoch of the Fe,Cu deposits, and the structure of multi-levels,and the zoning in magmatic system determine the spatial distribution of the mineralization system.

由分析可知基底断裂异常控制了本区若干重要规模较大的隐伏岩基及伴生矿田，而盖层构造异常控制铜金矿床和铁铜矿床的空间位置地层的地球化学异常和岩相古地理异常是造成一些铜金矿床层控性的主要地质因素盖层的岩性异常为含矿热液的渗流、循环、聚集和矿质沉淀等一系列成矿作用提供了有利的物理和化学条件中生代岩浆岩的异常活动期也是本区主要的铁铜成矿期，岩浆岩系统的多层分枝和分带性结构控制了本区成矿系统的三维空间分布。

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。