But distilling tower temperature control is a typic big time-lag system, and the control of it is always a difficult problem in coak producing industry.
但由于氨塔温度控制属于典型的大时滞系统，对这种系统的自动控制一直是焦化生产控制中的一个难题。
In order to further elimilating the lag of control signal, the DDS theory is used to forecast the control signal.
笔者利用动态数据系统理论，进行控制信号的预测。
Because of the lag property of structure and controller, the control signal has time lag in the active vibration control of intelligent structure, and there is a phase difference between response signal and control signal.
智能结构振动控制中，因结构本身的特性和控制环节的存在，控制信号产生一定时滞，使控制信号与结构响应信号之间存在一定的相位差。
In the AC servo control system, using digital low-pass filter can restrain current feedback noise and improve the resolving power of speed feedback, but it may lead to phase lag of feedback signal and directly influence the response speed.
交流伺服控制中采用数字低通滤波可以抑制电流反馈噪声，提高速度反馈分辨率，但同时会带来反馈信号的相位滞后，将直接影响响应速度。
In this paper, the fuzzy theory is employed to stabilize the lime delay systems. The lag of control signal will has the reaction in advance by means of the change of the membership function's range of the control rule bases'antecedent, so that the systems will obtain a better response in consequent.
本论文中，将模糊控制理论运用到时间延迟系统的稳定度上，藉著改变控制规则库前题部的归属函数范围，让落后的控制信号能有预先的改变，使系统能获得－较佳的响应。
Temperature is that generally there is a very important parameter in the scientific experiment of the production process, it one steps pure to lag behind the inertia system, it has an obvious lagging characteristic, the temperature control circuit uses and does each field of social life extensively.
温度控制电路广泛应用于社会生活的各个领域，如家电、汽车、材料、电力电子等，对于需要快速准确的获取和控制事实温度的场合，采用一般的控制方法很难获得满意的控制效果，因此，在温度控制系统中控制算法的研究是非常重要的。
And the temperature control system is one steps pure to lag behind the inertia system it has an obvious lagging characteristel adope is the PID controls algorithme, this algorithm is simple, mature technology and well control funtion.
主体部分包括人机接口部分，温度检测部分和温度驱动控制部分；而温度控制系统是一个一阶纯滞后惯性系统，具有明显的滞后特性；通过研究系统的控制算法，并对其进行具体分析、仿真，决定采用PID控制算法，该算法结构简单，技术成熟并有很好的控制性能。
After a research on the feedback and control of the reliable time-lag of continuous-time systems with actuator failures.
研究了带有执行器故障的连续时间系统的可靠的时滞状态反馈控制问题。
Established fuzzy networked control system model based on T-S fuzzy model. The stability of a class of net worked time lag system which has uncertain parameter on single-packet transmission and no lost packet condition was investigated.
基于T-S模糊模型建立模糊网络化控制系统模型，研究了一类存在不确定参数的网络时滞系统在单包传输且没有丢包情况下的稳定性。
Post-entry timing shows that Timing with six digital tube display; when the day after can be recycled in the past continue to control and use light-emitting diodes to simulate Show Temperature control in industrial production in the use of a very extensive process of its control there is a considerable time lag and a very strong interference.
启动后进入计时显示，计时用六位数码管显示；当一天时间过去后可以循环继续控制，用发光二极管进行模拟显示温度控制在工业生产中运用的非常广泛，其控制过程中存在着很大的时滞性和很强的干扰。
The mathematical model of the direct power transmission is analysed under the autonomous and non-autonomous cases. The feedback control is then designed, the trigger lag angle and trigger leading angle of the direct current conveter can thus be adjusted effectively under the control, and the direct current of converter is thus exponentially stabilized.
在自治与非自治两种情况下对直流输电系统的数学模型作了理论上的分析，设计出了相应的反馈控制，该控制可以对直流换流器中的触发滞后角与触发越前角进行快速有效的调节，进而让换流器中直流电流指数地趋於稳定。
However, there is a great lag between our emission control technology and advanced level.
国内由于排放法规的滞后，净化技术与国外仍然存在着较大的差距。
The BPSVN system based on EHV for locomotives is built up at first in our country, which can control injection advance and lag freely.
在国内率先建立了以电控液动阀组件为核心的泵—管—电磁阀—嘴式电控喷油系统，它能够自由地控制喷油始点和终点。
Chemical pregrouting treatment applied to water leakage control of fissured surrounding rocks in inclined mine shaft of Zhaozhuang Mine; 2. Design and Construction of the Grout Pad in High Pressure Pregrouting at Shaft Stopes; 3. Based on researches before and contraposing the producing geological conditions of 3100 island mining face of Daiyang coal mine, this paper studied the mechanism of pregrouting and lag grouting reinforcing with ZKD.
本文在前人研究的基础上，针对山西兰花集团大阳煤矿3100孤岛综放工作面回采巷道的生产地质条件，研究分析了高水速凝材料预注浆、滞后注浆加固机理；实验分析注浆参数与破碎煤体力学性能的关系，破碎围岩锚杆支护机理与支护技术；综合应用理论分析、数值计算、实验室实验研究确定了采动支承压力作用的大阳煤矿3100孤岛综放工作面回采巷道破碎围岩支护技术。
Temperature control is used widely in industry production, with large lag and big disturb.
温度控制在工业生产中运用的非常广泛，其控制过程中存在着很大的时滞性和很强的干扰。
Meanwhile, continuous lag-lead control algorithm and discrete linear state feedback control algorithm are applied to electrostatic levitation system respectively in comparison with sliding mode control algorithm.
为了便于控制算法之间的比较，设计了静电悬浮系统的滞后—超前校正和线性状态反馈控制。
Because at present financial derivative market is not developed in our country, the interest rate risk control is mainly manages by in the traditional table, but this method will lag far behind our country's financial industry is speeding up opening up and the reform of the interest rate marketization.
由于我国目前金融衍生品市场还不发达，利率风险控制主要是以传统的表内管理为主，但这种方法远远不能适应我国正在加快的金融业对外开放和利率市场化改革的步伐，20世纪70年代以来发展起来的利率衍生品正好弥补了上述缺陷，其中最基本的远期利率协议适应我国的国情，以它独特的优势得到了大多数银行的青睐。
Because of the difficulty in modeling, the uncertainty and time lag of slide valve in series - parallel connection screw compressors system, the paper presents a control project based on the combination of expert rules and PID algorithm to solve the stabilization and speediness contradiction of the suction - exhaust pressure under various loads.
针对串并联螺杆压缩机系统中的模型难以建立、能量滑阀的不确定性和时间滞后等问题，为解决压缩机吸排气压力在各种负荷变化时稳定性和快速性的矛盾问题，该文提出了一种专家规则与PID控制算法结合的控制方案，运用MATLAB对系统中控制回路进行仿真。
Because the calcining of cement kiln has characteristics of more variables, non-linearity, pure lag, strong coupling etc., controlling cement kiln with traditional control ways is very difficult.
由于水泥回转窑的煅烧过程具有多变量、非线性、纯滞后和强耦合等特点，使得采用传统的控制理论对水泥窑的控制变的十分困难。
The third chapter presents the compound control strategy for CTC due to the severe time lag and the parameter varying in time in the cooling process, which include feed forward control, the feed forward compensation control, the feedback control and the model adaption.
由于卷取温度冷却过程存在大滞后和参数时变特性，第三章采用一种卷取温度复合控制策略，其中包括前馈控制、前馈补偿控制、反馈控制和模型参数自适应控制。