大时滞过程的自整定pid控制器,采用基于内模控制策略的继电型PID自整定。
The relay feedback self-tuning PID based on internal model control (IMC) was adopted for self-tuning PID controller for long time-delay process.
非自衡时滞过程作为一种开环不稳定过程,开环辨识测试过程中的外界扰动将产生不确定性影响。
For an integral process, disturbances during the identification test of open loop identification will lead to some uncertain effect.
并基于MATLAB仿真研究表明,线性时滞过程的内模控制具有较好的鲁棒性,有一定的应用价值。
Based on MATLAB, simulation results show that internal model control has simple structure and is easy to be designed and readjusted, so it has certain application value.
大纯滞后系统在控制过程中比较常见且难以控制,如火电厂大多数具有大延迟、大时滞过程的热工对象。
Large delay systems in the control process are very common and difficult to control, such as the majority thermal objects in the coal-fired power plant are with a large time delay.
因此,有必要针对大时滞过程设计先进的控制策略,而了解过程的对象模型对于控制策略的设计是有极大帮助的。
Therefore, it is necessary for the large time-delay process design of advanced control technologies. However the advanced control technologies are based on the process model as the basis for design.
为了更好地应用于时滞过程,利用无时滞psd系统渐近稳定的特点,提出了无预估模型的PS D自适应预估控制算法。
In order to apply well to the process with time delay, a model-free predictive control law for the PSD is proposed which scheme is based on the asymptotical stability in delay-free PSD system.
针对工业过程中普遍存在的时滞、非线性、对象参数时变等特性,提出了一种基于最优预测的神经元模糊自整定PID控制算法。
To the widely existed characteristics of time-delay, non-linear and timevarying of parameters in the industry process, an adaptive neuron-fuzzy PID controller based on optimal prediction is presented.
通过分析典型大时变时滞工业过程的特性,提出了一种新的数字PI I鲁棒调节控制器的设计方法。
A new design method of digital PII robust adjusting controller for a general process control system with large time varying time delay is developed by studying its properties.
而在真空退火的生产过程中,退火工件温度的精确控制是一个典型的非线性、大时滞、强耦合的复杂控制问题。
The accurate control of the work pieces temperature in vacuum annealing furnace is a typical nonlinear large time delay and cross coupling complicated problem.
针对工业控制过程中广泛存在的对象的时滞与饱和非线性的特性,提出了一种用于快速跟踪问题的控制方法。
Aiming at the characteristics of delay and nonlinear saturation widely existing in the process of industry control, this paper presents a control arithmetic for fast-tracking control.
给出了大时滞不确定过程的一种新型描述方式。
A new description is given for uncertain processes with large delays (UPLD).
由于反重力铸造过程的时滞性、不确定性、复杂性,难以建立精确的数学模型。
It is hard to build a precise math model for counter-gravity casting process for its time lag, uncertainty and complexity.
隧道通风过程可近似认为是一个一阶时滞系统,系统采用自整定模糊pid对隧道管网的风压进行实时控制。
Tunnel ventilation process is approximately a system of time lag of first order, real time control of wind pressure in tunnel pipe is adopted self-tuning fuzzy PID.
由于供水过程可近似认为是一个一阶时滞系统,系统采用了自整定模糊pid对管网的压力进行实时控制。
The water supply process is approximately a system of time lag of first order, real time control of pressure in pipe is adopted self-tuning fuzzy PID.
这两类过程是:时滞反向响应过程和DVD循轨伺服系统。
The two different processes are respectively: reverse process with time delay, tracking servo of DVD system.
在工业过程控制中,被控对象往往存在不同程度的时滞。
In the industrial process control, there are different time-delays for controlled objects.
针对啤酒发酵温度过程控制具有大时滞、非线性等特点,设计了混合参数自调整模糊pid控制器。
For the characters of the beer fermentation temperature control are the large delay and nonlinear and so on, a hybrid parameters self-tuning fuzzy PID controller is presented.
仿真结果表明,参数自适应时滞补偿器对大时滞不确定过程及复杂高阶过程均有良好的自适应跟踪及预估补偿能力。
Simulation results show that the object reference adaptive compensator is able to track and to compensate uncertain processes with large delays or high-order uncertain processes.
针对纺织染色这类具有典型非线性时滞的对象,利用肉模控制原理,设计了适用于染色过程的温度控制器。
The temperature controller is designed against the nonlinear delay object about textile dyeing by using the internal model control theory.
滤波器的时滞时间可以任意给定,简化了设计过程。
In this filter, the delay time can be given arbitrarily, which simplifies the design procedure.
造纸工业生产中,抄纸过程是一个多变量耦合过程,并且有很大的死区时滞。
In paper making industry, Paper making process is a multivariable coupling process with large time-delay.
它较好地克服了时滞,对带材轧制过程来说,其处理方法是理想的。
It is an ideal method for overcoming the time lag for fast strip rolling process.
高炉冶炼过程是一个高度复杂的过程,其运行机制往往具有非线性、大时滞、大噪声、分布参数等特征。
Blast Furnace (BF) ironmaking process is highly complicated, whose operating mechanism is characteristic of nonlinearity, time lag, high dimension, big noise and distribution parameter etc.
它即可用于参数和时滞未知的或慢时变的受控对象,又可用于逆不稳定过程,并能消除控制器的振铃现象,应用范围大为拓广。
It can be applied not only to plants with unknown or show time-varying parameters and delays, but also to unstable inverse processes.
现行的出版时滞概念过于笼统,不能反映各期刊社稿件处理过程的个性特点。
However, the present connotation of the concept of time lag is too general to reflect the characteristics of the treatment processes of contributions.
针对工业过程中时滞辨识较为困难这一特点,提出一种新颖阶跃响应法来辨识工业过程的时滞参数。
Owing to the difficulty of identifying dead time parameter of industrial process, a kind of new step response method is presented to identify dead time parameter of industrial process.
本文提出了一个克服时变大时滞及被控过程参数时变的最优预报自校正PID控制算法。
An algorithm of the optimal prediction self-tuning PID controller that overcomes time-varying large lag and parameters is presented in this paper.
大理岩岩样在时滞性压缩破坏过程中会产生大量的竖向裂纹,破坏时会产生大量的片状破裂碎屑;
Many vertical cracks occur during test process; and lots of sheet debris are created when the marble failure.
大理岩岩样在时滞性压缩破坏过程中会产生大量的竖向裂纹,破坏时会产生大量的片状破裂碎屑;
Many vertical cracks occur during test process; and lots of sheet debris are created when the marble failure.
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