查询词典 loop control

Single loop instantaneous voltage feedback control and multiple loop feedback control, which can be realized by digital method or analogue method, are normal control strategies of inverter. The controller's performance of a same control strategy designed by different designers is different This paper makes out uniform analysis and design theory of inverter control strategies with pole-assignment technique of state-space theory for the first time. It is firstly proposed that controller parameters being equal to control system orders is the base of realizing high performance inverter. Design and performance comparability of various controllers is presented with uniform pole-assignment method.

本文首次采用状态空间理论的极点配置技术，对逆变电源的几种控制策略进行了统一的分析和设计，首次提出控制器控制参数与控制系统阶数相等是高性能逆变器控制实现的基础，并通过极点配置这种统一的设计方法对各种控制器进行了设计和性能比较，分析了要考虑的一些非理想因素的影响。

Based on average current mode, PI control adopts the same double loop structure as analog control; Repetitive control adds a feedback innerly to change the model of control object so that it can meet the requirements of stability. This equals to a three-loop structure.

PI控制的设计基于电流平均模式，与模拟控制的双环结构相似；重复控制的设计，内部增加一个负反馈，以改变控制对象的模型，使之满足重复控制的稳定性要求，相当于一个三环控制结构。

After it introduced the zymotechnics biology hydrogen technology technical process which was instructed under the ethyl alcohol fermentation biological hydrogen theory, it also elaborated the biological hydrogen water treatment automatic control system structure drawing and the control plan. It has carried on the detailed introduction to the lowest level entire production control process. It is including the mix regulating reservoir automatic control return route, the biological system hydrogen reactor temperature, the PH value control loop, the tired of the oxygen reactor temperature, the PH value control loop, need oxygen response pond control loop, sedimentation pond control loop, the biological hydrogen examination return route and so on..

在介绍了乙醇型发酵生物制氢理论指导下的发酵法生物制氢技术的工艺流程之后，又论述了生物制氢水处理自动控制系统的结构图和控制方案，并且对最底层的整个生产控制过程进行了详细介绍，包括了混合调节池自动控制回路，生物制氢反应器的温度、PH值控制回路，厌氧反应器温度、PH值控制回路，好氧反应池控制回路，沉淀池控制回路，生物制氢间氢气检测回路等等。

In order to reduce the expend of the development of TV guidance bomb, it refits the servo actuators of some missile for the servo actuators of the pitching loop and the yawing loop, and then, it tests the characteristic of the actuators and makes the actuators satisfy the basic requests; for the tumbling loop, the servo actuator adopts three-position relay control fashion to make the loop be stable by using the relay control circuit, the three-position and five-passage valve and the gas amplification device.

为了降低电视制导炸弹的成本，对于俯仰、偏航稳定回路，采用某型号导弹的舵机进行改装，并对改装后的舵机的特性进行测试，使舵回路达到一定要求；对于滚转稳定回路，采用三位置继电控制舵，通过继电放大器、三位五通阀和气动放大器来控制舵面的偏转，以此来实现滚转稳定。

By the balance of communication link power, SNR balance guidelines and BER balance, under the base to meet the requirements of systems and not affecting thequality of call. Finally, the open-loop/closed-loop variable step length reverse power control is introduced, its principle is under the original open-loop power control to select suitable power control step by the new power control bit, and achieves a balanced system fastest and most effective.Keywords: Step, Power-control, Brethren interference, Proximity effect

依据通信链路的功率平衡准则、信噪比平衡准则和误码率平衡准则，在满足系统要求和不影响通话质量的基础上，最后提出了开环/闭环可变步长的反向功率控制，其原理是在原有的开环功率控制的基础上，依据新的功率控制比特，来选取合适的功率控制步长，以最快、最有效的方法使系统达到平衡。

This invention provides a kind of microwave oven that can identify the metal cuisine container. It includes the rotary disk of the cooking room. In the electricity control room there is control circuit. In the control circuit there is main control slug which connects with the current source. Between the power of the control circuit and the main control slug there is alarm circuit and they form a loop with the control circuit. There set the conductive coat and standard riding line on the rotary disk. Through the conductive end set under the rotary disk that the rotary disk's standard riding line connects with, one conductive end connects with the power of the control circuit, and the other connects with the alarm loop and the main control slug.

本发明提供一种具有识别金属料理器皿功能的微波炉，包括有烹调室的旋转盘，电控室中设有控制电路，在控制电路中含有与电源连接的主控芯片，在控制电路的电源与主控芯片之间设置有报警电路并与控制电路形成回路；在旋转盘上设有导电涂层和标准安放线，通过旋转盘上的标准安放线连接设在旋转盘下方的导电端子，其中一导电端子与控制电路中电源相连，另一导电端子与报警电路和主控芯片相连接。

The combustion system is consist of there loops: load control loop, input wind control loop, furnace pressure control loop.

文中将燃烧控制系统分为三个回路：负荷控制回路，送风控制回路，负压控制回路。

The hot helium temperature follows HTR-10's nuclear power changes slowly, and there is a large coupling between them, so the RPHHT system adopts cascade control, the minor loop is fast, and the major loop is hot helium temperature control loop whose dynamic response is slow; there is also a large coupling between main helium loop and steam-water loop, and both the main steam temperature measure signal and the heating process of the once-through steam generator are delayed, therefore, the MHFMST applies cascade control, the minor is main helium flow control loop whose dynamic response is fast, and the major is the main steam temperature control loop whose dynamic response is slow.

本文运用机理建模法，建立了HTR-10系统动态控制模型，然后进行了动态性能仿真，将堆芯用集中参数表示，冷却剂按一维流动处理；直流蒸汽发生器按二回路工质不同的相分为预热段、蒸发段和过热段，建立了三环节控制模型，得到HTR-10系统控制模型；仿真结果与数值计算结果对比表明，本文所建立的控制模型，能近似地反映HTR-10的动态特性，适合设计控制系统。

To achieve high-performance PMSM position servo system, advanced control scheme, which is static precision, transient responses and self-adaptation and anti-disturbances, is needed in practice. Based on the analysis on the features and control principles of PMSM, this thesis established its math model using id=0 vector control method. Three close loops control system, which includes current loop, velocity loop and position loop, was built up. For position loop, the main feedback loop, we chose a new adapted-fuzzy CMAC intelligent controller, which includes self-learn ability of neural net and quick response merit of fuzzy controller. Finally, the author simulates PMSM position servo system by the simulink of matlab, an advanced computer simulation tool.

本文对PMSM的控制机理和特性作了较为深入的分析；建立了PMSM的数学模型，并采用了id=0的矢量控制策略；对控制系统组成及控制方式作了分析和比较，在此基础上建立了电流环、速度环和位置环的三闭环控制系统，对作为反馈主回路的位置环采用了模糊CMAC神经网络控制方法，该方法兼具模糊控制器的快速性和神经网络的自学习能力；构建了针对PMSM位置伺服系统的模糊CMAC控制器结构及其相应的算法；利用先进的计算机仿真工具（Matlab下的Simulink）对所提出的控制策略进行了数字仿真和分析；仿真和实验结果表明本文所提出的控制策略对PMSM位置伺服系统进行控制具有良好的鲁棒性能和快速性。

The invention now is concerned with the problem of creating a control device of the kind specified above, intended for bending-machines, by which more frequently needed types of loop may be produced considerably more rationally than was hitherto possible, and a device according to the invention achieves this by means of a loop-type preselector for selecting at will a required one of a number of fixed basic programs, each being associated a different type of loop, and which determines the sense of direction and amount of the successive angles of bend necessary in that loop-type, and a length-of-side selector for selecting the lengths of successive sides of the loop of the type selected.

现在的议题是创造一个上面指定的一种控制装置的问题表示关注的发明，弯曲机，旨在其中更经常需要类型的循环可能产生相当多的理性可能比迄今为止，和设备按照发明达到了一个循环的方式，类型选择在预选这将是一个固定的基本程序的数量，互为关联的不同类型的循环，需要之一，并确定了方向和角度的连续弯金额意识有必要在该循环型，以及根据不同长度选择了该类型的循环连续的边长方选择选择。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。