控制空间

ABSTRACT The infeasibility problem in voltage/reactive power optimization is analyzed in this paper, and this problem is handled with fuzzy constraints to obtain a solution as close as possible to the original space.

分析了电力系统电压无功实时优化控制中出现的不可行问题，通过引入模糊约束，从一个新的角度对不可行问题进行了处理，最终获得尽量靠近原不等式约束空间的解。

Firstly two theoretical basis of Direct Torque Control technique are researched----Field Acceleration Method and instantaneous space vector theory.

首先探讨了直接转矩控制技术的两大理论基础──磁场加速方法与瞬时空间矢量理论。

Three axis optical tracking test table is a kind of powerful instrument used to reproduce the flying posture of flying weapons in laboratory.

摘要三轴光学跟踪试验转台是一种在实验室条件下复现飞行器或导弹在空中飞行姿态半实物仿真的有力工具，它和目标发生装置组合在一起模拟导弹跟踪目标的过程，可以真实地模拟出导弹等飞行器在空间的各种姿态和动力学特性，从而对其传感器件、控制系统和执行机构等硬件设备的性能加以测试和评价，为飞行器的研制、改进和再设计提供各种参考依据。

ABSTRACT Three-axis flying posture simulator is a set of precise and sophisticated equipment with important significance of economy and national defence. TFPS is a kind of powerful instrument used to reproduce the flying posture of flying weapons in laboratory. TFPS, together with equipment producing infrared target, simulates the attacked target and flying missile, which can really simulate the various flying postures in space and dynamic characteristics. Thus, the performances of sensors, control system and actuator and so on can be tested and evaluated, which provides various reference bases for developing, improving and redesigning flying weapons.

三轴飞行姿态仿真转台是具有重大经济价值和国防战略意义的高精尖试验设备，它是在实验室条件下复现飞行器或导弹在空中飞行姿态的有力工具，它和红外目标发生装置组合在一起模拟袭击目标和飞行导弹，可以真实地模拟出导弹等飞行器在空间的各种姿态和动力学特性，从而对其传感器件、控制系统和执行机构等硬件设备的性能加以测试和评价，为飞行器的研制、改进和再设计提供各种参考依据。

Applying the method of integral transform, the governing equation of viscoelastic shallow spherical shell under actions of uniform pressure in the space of Laplace is established.

利用积分变换方法建立了粘弹性材料扁球壳在均布荷载作用下的Laplace相空间中的屈曲控制方程。

There was only a limited space in which to gain access to infracallosal DACAA below the PC point to establish proximal control by the anterior interhemispheric approach.

通过前纵裂入路接近PC点下方大脑前动脉远段的胼下动脉瘤并建立有效的控制仅有一有限的操作空间。

Based on the theory of robotics, manipulator's kinematics equation is established and inverse kinematics analysis and calculation is made by algebraic solution after simplification, besides, Cartesian-space schemes, working space and singularities are also taken into account.

在机器人学的理论基础上，使用D-H方法建立了机械手的运动学方程；通过问题简化，利用代数解法，进行了逆运动学分析和计算，并对机械手进行了笛卡尔坐标轨迹规划，为后续控制系统的设计及机构运动仿真提供了依据；分析了机械手的工作空间、奇异性；介绍了建立机器人动力学方程的常用方法。

Islay is not unlimited expansion of products in accordance with the profit margins, but by a flexible style and price policies, the use of orders for the model system, brands and dealers on the market to do a common assessment and measurement, and accurately control the commodity structure, to make inventories dropped minimum, dealers can have a greater profit margins.

伊斯雷不是根据产品的无限扩张与利润，而是一个灵活的风格和价格政策，为模型体系，品牌和市场上的交易指令的使用做一个共同的评估和衡量，准确控制商品结构，使库存下降最低，经销商可以有更大的利润空间。

By controlling the process of sol gel, the charge storage stability of porous silica thin film electret based on silicon substrate were investigated by measurements of IR spectra, isothermal surface potential decay and current spectra of open circuit Thermally Stimulated Discharge.

通过控制溶胶凝胶工艺条件，利用相应条件下样品的红外光谱，等温表面电位衰减，开路热刺激放电电流谱等，考察了Si基多孔SiO2 薄膜驻极体体内沉积的空间电荷的储存稳定性，分析了各种工艺参数与薄膜驻极体性质之间的联系。

It is proved that the two-dimensional non-hydrostatic Boussinesq equations on the x ? z plane with the kinetic viscous term and the thermal dissipative term are unstable equations in the C 2 function class.2. If we replace the influence of the kinetic viscous term by Rayleigh friction and the thermal dissipative term by Newton cooling, the new generalized equations are stable equations in the C 1 function class. The construction of the solution space and the discriminating method for well-posedness of the problem of determining solution are given.

本文的主要结果如下：1证明了在y方向上均匀的带有运动粘性项以及热耗散项的两维非静力、Boussinesq近似的x-z面上两维旋转流体的控制方程组在C 2函数类中是一个不稳定的方程组。2如果以瑞利摩擦来代替粘性的影响，以牛顿冷却来代替热量的耗散，则所获得的一个新的方程组在C 1函数类中是一个稳定的方程组，给出了其解空间的构造和各种定解问题的适定性的判别方法。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。