控制原理

The high-power system including main circuit, the charging and discharging circuit of synthetic circuit test system, and the principle of charging and discharging for current supply using electrolytic capacitor is presented. At the aspect of circuit breaker control, the advanced permanent magnetic actuator is used and analyzed in this paper, including the precision computation and using in synthetic circuit. The trigger circuit of voltage supply is designed, and the intelligent control is used to trigger the igniting gap. And the integraph based Rogowski coil is designed and employed the intelligent detection of breaking current.

强电系统介绍了合成回路试验系统的主电路及其充放电电路，讲述了电流源采用电解电容器的充放电原理；断路器控制方面，采用当前比较先进的永磁操动机构，并对永磁机构的原理、精度计算和在合成回路中的应用做了详细地分析；设计并制作了电压源点火回路，对球隙点火进行智能控制；在智能检测开断电流方面，设计并制作了与Rogowski线圈相配合的积分器。

The maximum principle and the feedback control law are obtained.

通过系统地应用法锥性质和变分原理，获得了外界对种群的影响率为控制变量的最优控制的极大值原理。

The principle of the main circuit, choice of the control parameters, choice of the control algorithm and the principle of point-by-point integration method are first introduced in this paper.

论文首先介绍了逆变主电路的原理、控制参量的选择、控制算法的选择，以及焊接电流、电压的逐点积分检测原理。

In the article introduced the monolithic integrated circuit to the electric motor the control, elaborated the crystal thyratron accent presses the velocity modulation the principle by and its the control system principle of work, introduced the hardware system design and the software system establishment.

文中介绍了单片机对电动机的控制，阐述了晶闸管调压调速的原理以及其控制系统的工作原理，介绍了硬件系统的设计和软件系统的编制。

The paper reviews the phylogeny of the LCD, describes the recent development situation of LCD-TV and several authority investigation institution do its prospective forcast. The research of the switching power supply, future development t rend is given in the paper. Outlines of LCD-TV technology, introduce the sort of topological structure. The BUCK type converter topological structure and the systematical basictheory were put emphasis on; the PFC, the reasons of power factor simply and the core of L6562 were analyzed, emphatically on the application circuit of this core, and account the design parameter of the application circuit. The sort and control mode of PWM, the control core of UC3846 and OB2262 were explained, the application circuit of this core were specific analyzed, practice picture in the real circuit uses oscilloscope were educed and contrastive analysis in this research.

本文回顾了LCD的发展史，介绍了LCD-TV发展的近况和一些权威调查机构对其未来的预测；对开关电源的研究概况和它的发展趋势作了总结；总体介绍了LCD-TV电源的结构及工作原理、拓扑结构的分类，着重研究了BUCK型变换器的拓扑结构及工作原理；对PFC作了综述，研究了功率因数降低的原因，重点介绍了L6562芯片，对此芯片的应用电路作了具体分析，并对芯片外围的设计参数作了分析研究；研究了PWM的分类和控制模式，对控制芯片UC3846和OB2262分别进行了重点说明，详细研究了基于UC3846的PWM设计，用示波器对其实际电路进行了抓图，并对比分析实际波形。

The fourth chapter talks about the weft carrier, in this part, we mostly introduce the big gripper shuttle in the comparative way and not only analyze the structure but also analyze the stress of the fatigable parts. In the fifth chapter, the shuttle box is our research emphasis, we start with the design principle and analyze its structure and the logic of the action of the parts. The sixth chapter discusses the shoot mechanism, builds its theory model and analyzes its law of motion from the view of kinematics and kinetics during the wefting. And then, we can consider the hydraulically shoot mechanism and comprehend its principle and some special parts. Subsequently, the content is about the flying of a shuttle, because the course of the flying of a shuttle is very complex, it is necessary to study the shuttle according to mechanics and to analyze its course of motion and its change of speed from the view of energy.

第五章谈的是梭箱，这部分从梭箱的设计原理入手，从结构的角度对梭箱进行分析，考虑到梭箱上各执行件间的动作存在一定的逻辑关系，还对执行件动作时间与控制作出论述，从中可以看出重型宽幅织机所独有的特性；第六章论述投梭机构，先构造出投梭机＿重型宽幅织机引纬机构与梭箱的设计＿构的弹性理论模型，从动力学的角度剖析投梭规律，随后分析液压式投梭的工作原－－理和一些特型元器件；第七章论述梭子的飞行运动，考虑到梭子飞行运动的复杂性，我们把梭子飞行运动划分为三个阶段，然后分阶段介绍其运动规律，在对梭子进行＿运动分析的同时还详细分析它的受力情况，在这一章的最后，我们对影响梭子飞行＿的因素也作出了讨论；顺沿这一过程，即是第八章对制梭机构的论述，在这一部分，、主要研究制梭过程与制梭力的情况，同梭子飞行过程一样，制梭过程也分为三个阶段，就每个阶段而言，我们都对其进行受力与运动方面分析，同时也就一些容易出现的问题作出讨论；最后两章是对纬纱交接机构和纬纱的退绕与张力控制作出讨＿论，鉴于这两部分不存在复杂的动力学方面的问题，论述重点便放在结构与原理的分析上面，包括分解纬纱交接机构，解析其动作过程，介绍储纬与纬纱张力的一些情况。

On control method, develop under the control of from hand movement to autocontrol; On the control function, arrive at intellectualized under the control of from developing simplely under the control of; Develop on the busy, from scheme weight to informatization treatment; On controlling principle, touch the relay logic navar working a telephone switchboard stiffly from unitary ......

因而，受到各工业国家的重视，并投入大量的人力、物力加以研究和应用。在我国，近几年来也有较快的发展，并取得一定的成果，受到各工业部门的重视。通过此设计，可以使大家了解到X62W万能铣床的电气控制系统的结构和PLC控制的原理，简单工作原理。目录一。绪论

Firstly, this paper based upon coordinate transformation in vector space, the resolution principles of ship's swinging in three rotative axes of a hull – mounted array sonar are developed. The analytical results are used as the rules to control and stabilize the attitude of the array sonar so as to isolate the swinging of the ship.

本文首先根据矢量空间坐标变换的原理，分析了船舶摇摆运动在声纳基阵转动轴上的分解原理，得出了控制和稳定声纳基阵姿态不受船舶摇摆影响时所需的控制规律。

Second, based on the principles of vehicle "Tripped" rollover caused by Understeer/Oversteer and "Untripped" rollover caused by large lateral acceleration, select yaw rate, vehicle slip angle, roll angle and roll rate as the control variables, and determine when vehicle is not stable and how to avoid vehicle rollover properly. Third, the research of vehicle stability control is based on vehicle dynamics model.

针对汽车由于不足转向或转向过度引起&绊倒&型侧翻，以及由于侧向加速度过大引起的操纵型侧翻进行原理分析，确定选取横摆角速度、质心侧偏角以及侧倾角和侧倾角变化作为控制变量，探讨相应的汽车稳定行驶阀值，根据侧翻原理确定正确的控制策略。

The theory of the reaction wheel is introduced at first,then the invariability theory of disturbing compensation and the math description of feed forward control.are recommenoled feed forward control and dead voltage compensation are added in the model of reaction wheel control.

中文摘要：对星载二维转台中反作用轮的控制技术进行了研究。介绍了反作用轮的作用原理，给出了扰动补偿的不变性原理和前馈控制的数学描述。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。