查询词典 time-base control

On the basis of the above results of detecting methods, the instruction signal calculating circuit is designed according to i〓, i〓 calculating mode. Compensation current generating circuit is also designed and implemented. Its current following circuit is designed according to the instantaneous value comparing mode that used constant time control. The source current detection based control mode and composite control mode and their implementation are firstly introduced in our country. The method and the principle of dc side capacitor voltage control are explained clearly.

根据检测方法的研究成果，采用i〓、i〓运算方式构成并联型电力有源滤波器的指令电流运算电路；对补偿电流发生电路进行了电路设计和实施，其中电流跟踪控制电路采用电流跟随性能好、可靠性高的定时控制瞬时值比较方式；在国内首次研究并实施检测电源电流控制方式和复合控制方式；清楚地阐明了并联型电力有源滤波器直流侧电压控制的原理和方法，并在装置中实施。

A PID control method based on BP neural network was proposed,concerning the multi-layered temperature control of calenderer rollers and the limitations of the conventional PID control which resulted from the control of the nonlinear and time-varying system.The system design and software development were also presented.

针对压延机辊筒多段温度控制以及常规PID控制在非线性的、时变系统中控制效果的局限性，提出了一种基于BP神经网络整定的PID控制方法，给出了计算机控制系统设计，建立了比例、积分和微分三种参数自学习的PID控制器。

If you take control of your time, you take control of your time.

如果你能掌握自己的时间，你就掌握了自己的生命。

The third it adopts a chip control to replace original electricity control form raising control accuracy and reduce the reaction to time and reduce covering space etc. And visual number control procedure code and emulation to process which can discover the error of procedure in advance.

第三，采用芯片控制代替原有的电气控制形式，达到提高控制精度、减小响应时间和减小占地空间等目的，并且可视化的数控代码编程和模仿加工过程，可以提前发现程序的纰漏。

Cut Gain control of your time, and you will gain control 15 your time .

掌握你的时间，你就可以掌握自己的命运。

The author proposes some recommendations for bringing the primary frequency control into full play and reducing its effect on stability of coordinate control system at the same time, and also proposes a method introducing DEH primary frequency control factor into coordinate control system.

介绍了一次调频数的设置方法及对协调控制系统稳定性的影响，并且对如何在发挥一次调频作用的同时减少对协调控制系统稳定性的影响提出了建议，提出了将DEH一次调频因子引入协调控制系统的方法。

The author proposes some recommendatio for bringing the primary frequency control into full play and reducing its effect on stability of coordinate control system at the same time, and also proposes a method introducing DEH primary frequency control factor into coordinate control system.

介绍了一次调频参数的设置方法及对协调控制系统稳定性的影响，并且对如何在发挥一次调频作用的同时减少对协调控制系统稳定性的影响提出了建议，提出了将DEH一次调频因子引入协调控制系统的方法。

Generalized predictive control is a kind of advance control methods that is of strong robustness, can overcome the time delay of system effectively and is suitable to unstable non-minimum phase system. But it has the shortcoming of large computation load because of online solving the Diophantine equation, inverse matrix and recursion solution by Least squares. So four kinds of fast algorithms of GPC that don't need the mathematical model of plant and are highly real-time are proposed in the paper. They have laid the rationale for the application of GPC to systems that need fast response.

广义预测控制是一种鲁棒性强、能够有效地克服系统滞后、可应用于开环不稳定非最小相位系统的先进控制算法，但由于它需要Diophantine方程计算、矩阵求逆和最小二乘的递推求解，因此计算量很大，本文针对此缺陷提出四种不基于对象模型且实时性高的广义预测控制快速算法，为广义预测控制应用于实时性要求高的快速系统奠定了理论基础，具体研究工作如下。

This thesis discusses expert system and fuzzy control technology; dissertates emphatically the apply of intelligent fuzzy control method inthe control of aluminium electrolytic cell; illuminates in detailed the idea of design with realization of the systems software and hardware; at the same time, with the technology characteristic of the aluminium electrolytic cell, the thesis discusses the methods of anti-interference in control system.

本文就专家系统、模糊控制等智能控制技术进行了探讨；并着重论述了智能模糊控制方法在铝电解槽工艺控制中的应用；详细说明了控制系统软、硬件的设计思想及其实现；同时，针对铝电解槽的工艺特点，说明了控制系统所采取的抗干扰措施。

Abstracts: MMB1320B-type cylindrical grinder applies hydraulic pressure Systematic and electricity-control-mode drive to realize the motion of the working table and emery wheel rack.. This article improves the method of electricity control and uses PLC soft ware instead of a large amount of centre relay and time relay of relay control system to realize the control of hydraulic pressure so that we can save energy and enhance efficiency.

摘 要： MMB1320B 型外圆磨床采用液压系统和电气控制方式驱动以实现工作台和砂轮架的动作，本文对其电气控制方式加以改造，用 PLC 软件取代继电器控制系统中大量的中间继电器、时间继电器等以实现液压系统的 PLC 控制，从而达到节能增效的目的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失