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differential controller
相关语句
  微分控制器
     In the experimentalresearch, four different excitation control approaches are emphatically compared in their control effectiveness to phase lead stability of a generator, which are proportional-integral differential controller(PID), power system stabilizer(PSS), linear optimal excitation controller(LOEC) and nonlinear excitation controller (NEC).
     在实验研究中,着重比较了比例-积分-微分控制器(PID)、电力系统镇定器(PSS)、线性最优励磁控制器(LOEC)和非线性励磁控制器(NEC)等四种不同的励磁控制方式对发电机进相运行的影响。
短句来源
     USING A PROPORTIONAL AND DIFFERENTIAL CONTROLLER TO CONTROL CHAOS
     用比例微分控制器实现混沌控制
短句来源
     Since in engineering application,it is easy to implement interface operation,data acquisition and port operation by VC++,VC++ is adopted to implement the control interface of AC adjustable-speed system with varying frequency. In addition,programming process of high-order differential controller algorithm is proposed as well as the interface operation of this adjustable-speed system.
     考虑到在工程应用中,VC++易于实现交互界面、数据采集和端口操作等操作,基于VC++平台编制了该调速系统的控制界面,并介绍了高阶微分控制器算法的编程过程,还详细介绍了该调速系统的控制界面操作.
短句来源
     The chaos of the system is controlled by means of the proportional and differential controller.
     利用比例微分控制器对系统的混沌行为进行了有效的控制.
短句来源
     In this paper,a simple method of controlling chaos in an autonomous or non-autonomous dynamic system was proposed in which the proportional and differential controller is used in an appropriate way.
     采用比例微分控制器 (PDC)实现自治和非自治动力学系统中的混沌控制 ,给出了三个典型混沌系统的控制结果 .
短句来源
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  “differential controller”译为未确定词的双语例句
     Robust Proportional Integral Differential Controller Based on H_∞ Theory Design for Active Magnetic Bearing
     基于H_∞频域整形的微积分控制参数在磁悬浮轴承中的应用
短句来源
     The changeable gain proportional integral differential controller of arc length , based on arc voltage sensor and the single chip microcomputer , is developed on the characteristic of the influence of gravity on tungsten electrode vertical moving track during all-position welding .
     根据全位置焊接重力对钨极纵向运动轨迹影响特点 ,设计了基于单片机控制的弧压传感可变增益PID弧长控制器
短句来源
  相似匹配句对
     Temperature controller for differential thermal analysis.
     差热分析控温仪
短句来源
     Design and evaluation of the differential fine controller for flowmeters
     流量计用差动精调器的设计与分析
短句来源
     The Prognammabll Controller
     可编程顺序控制器
短句来源
     Programmable Controller
     可编程序控制器
短句来源
     Differential phase
     微分相位的测量
短句来源
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  differential controller
In particular, what we and other authors have called a differential controller, is now considered as an integral controller that "intelligently gives up" when the correlation between motor output and movement of the leg is low.
      
Often a simple differential controller is enough to regulate a small solar heating system for water heating.
      
A differential controller can be fitted to allow water exit temperature to follow ambient within 1 or 2 degC.
      


In this paper,the digital control technology of magneticsuspension and balance systems is studied.By equipping the φ60mm one-component MSBS device with a control system whose kernel is a 8031 si-ngle chip microprocessor,we make the model suspended steadily and nodisplacement as a constant force is acting on it.The design approach of feed-back controller consists of three parts:compensating the characteristicof the magnet to reduce its order,which simplifies the follow-up design;designing proportion-differential...

In this paper,the digital control technology of magneticsuspension and balance systems is studied.By equipping the φ60mm one-component MSBS device with a control system whose kernel is a 8031 si-ngle chip microprocessor,we make the model suspended steadily and nodisplacement as a constant force is acting on it.The design approach of feed-back controller consists of three parts:compensating the characteristicof the magnet to reduce its order,which simplifies the follow-up design;designing proportion-differential controller to stabilize the system;add-ing integral controller to the stabilized system.This design approach isuseful.The implementing techniques,including PWM amplifier,micro-processor hardware and software,are described in detail.

本文研究磁悬挂天平的数字控制技术。在 φ60mm 单分力天平装置上,配置了以8031单片计算机为核心的控制系统,不仅实现了飞行器模型的稳定悬挂,而且在外力作用下模型悬挂点保持不变。反馈控制律的设计分三步进行:首先对电磁铁特性进行补偿,使其阶次降低,简化后续的设计工作;然后采用比例微分控制达到系统的稳定最后在系统稳定的基础上,设计了位置积分环节,使系统在常值外力作用吋,能实现模型的悬挂点不发生偏离。这种三段设计法在实验调试时具有实用意义。文中具体介绍了控制系统的实现技术,包括 PWM 功率放大器,单片机硬件和软件。

PID controller-proportional-integral-differential controller——is in common use throughout the field of the industrial process control. Usually the tuning of PID control system parameters is based on experience, and it is difficult to achieve its aim by the method. A method for tuning PID control system parameters is once proposed by Austrom, with the signal of bang-bang as the input of the process. That is an effective method, but the response curve gained by these parameters is not completely satisfactory....

PID controller-proportional-integral-differential controller——is in common use throughout the field of the industrial process control. Usually the tuning of PID control system parameters is based on experience, and it is difficult to achieve its aim by the method. A method for tuning PID control system parameters is once proposed by Austrom, with the signal of bang-bang as the input of the process. That is an effective method, but the response curve gained by these parameters is not completely satisfactory. In this paper, by the method of expert system we compare the response curve of the process under the gained PID parameters with the typical response curve, find out the relevant rules of the modification,and then modify the parameters with the rules. The method consists of three parts: 1. Using the signal of bang-bang as the input of the process,we get the critical gain K_c and the critical period T_c. 2. By the Ziegler-Nichols method, we calculate the PID parameters in terms of the gained K_c and T_c,and then control the system under the parameters. 3. We tune the system on-line with the expert system repeatedly, The result of computer simulation indicates that it is an effective and prac tical method.

PID(比例、积分、微分)调节器是一类工业过程控制中最常见的调节器。通常对控制系统中PID参数的整定都是凭经验进行的,很难达到较为理想的调节指标。Astrom提出用一种bang-bang控制信号实现PID参数自动整定的有效方法,但用该法所获得的PID参数不一定使系统的响应曲线完全令人满意,本文采用专家系统的办法,对已获得的PID参数所产生的响应曲线与知识库中的基本响应曲线进行比较,从而找出相应的修正规则对原PID参数进行修正。这一整定方法实际上由三部分组成,首先用bang-bang控制信号来激励系统,辨识获得系统的临界增益K_e和周期T_e;其次,根据辩识得到的参数K_e和T_e采用工业上常用的临界比例度法求取一组PID参数控制系统。最后,对系统进行专家系统在线整定。仿真表明,该方法有很好的整定效果。

In view of the problem that the fixed-tuning-parameter controller can not ful-fill the requirements of controlling systems that have a usually changing char-acteristic, this article gives the design and simulation program of an expertself-adaptive PID (proportional integral differential) controller. The design u-tilizes a series of methods such as critical proportion band method, responsecurved line method,pattern recognition approach and separable integral con-trol algorithm, formulas and...

In view of the problem that the fixed-tuning-parameter controller can not ful-fill the requirements of controlling systems that have a usually changing char-acteristic, this article gives the design and simulation program of an expertself-adaptive PID (proportional integral differential) controller. The design u-tilizes a series of methods such as critical proportion band method, responsecurved line method,pattern recognition approach and separable integral con-trol algorithm, formulas and the concrete tuning rule of the pattern recongni-tion approach. The result shows that under changing loop parameters the con-trolling effect of this controller is evidently much better than that of a fixed-tuning-parameter control ler.

针对固定参数的控制器不能满足特性经常变化的控制系统要求的问题,给出了一种专家自适应PID(比例积分微分)控制器的设计及其仿真程序。该设计使用了临界比例度法、响应曲线法、模型识别法及积分分离控制算法,给出了模型识别法的公式及具体的整定规则。实验结果表明,当系统特性发生变化时,该控制器的控制效果明显优于固定参数控制器控制效果。

 
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