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pid algorithm     
相关语句
  pid算法
     PID algorithm is widely used in industrial control, but it has disadvantages in nonlinear and uncertain system.
     PID算法是一个广泛应用于工业控制的算法,但它对非线性和不确定性系统适应性不够理想。
短句来源
     An Effective PID Algorithm to Control QDY6 Electrohydraulic Servo Valve
     一种有效的控制QDY6电液伺服阀的PID算法
短句来源
     Adaptive PID algorithm for congestion control in internet
     网络拥塞控制的自适应PID算法
     A water temperature control system based on the automatically optimizing PID algorithm and the single chip(SCM) SPCE061A was implemented.
     设计并实现了一种基于自动优化的PID算法控制技术和16位单片机(SCM)SPCE061A的高精度水温控制系统.
短句来源
     The Realization of PID Algorithm in Mitsubishi PLC Processing Control
     PID算法在PLC过程控制中的实现
短句来源
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  pid控制算法
     A digital magnetic levitating bearing control system based on TMS320LF2407A is designed,and multipleparameter PID algorithm is applied.
     以TMS320LF2407A为核心设计了磁悬浮轴承数字控制系统,并应用了变参数PID控制算法
短句来源
     Applying the ADAM-5510M-based PID algorithm to a water resources dispatch system
     基于ADAM-5510M的PID控制算法在水资源调度系统中的应用
短句来源
     Simulation Research on Application of A Nonlinear PID Algorithm in Heavy Vehicle ABS Problem
     非线性PID控制算法在重型车辆ABS中应用的仿真研究
短句来源
     The small given flux(0.005 kg/sm~2~0.3 kg/sm~2)is controlled by a transducer using PID algorithm together with numerical processing . The control accuracy is within ±1% of initial value .
     利用变频器-水泵对流量进行调节,采用PID 控制算法,结合数值处理的方法对小设定值(0.005 kg/sm2~0.3 kg/sm2)的流量进行了精密控制,稳定在设定值的±1%之内。
短句来源
     This article describes the principle of frequency conversion timing control system for constant pressure water supply by means of the technology of LonWorks field bus, and analyses the PID algorithm of frequency conversion control nodes.
     介绍了采用LonWorks现场总线技术的恒压供水变频控制系统的原理,设计了压力测量和变频器控制节点,分析了变频控制节点PID控制算法.
短句来源
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  pid算式
     Then, it studied the different control effect of the three control regulation: Proportional control, Integration control and Differential control in the increment PID algorithm.
     通过调节PID参数控制温度的过程,研究了增量式PID算式中的三种控制规律:比例控制规律,积分控制规律,微分控制规律在温度控制过程中所起的不同作用。
短句来源
     Then, it studies the different control effect of the three control regulations:Proportional control, Integration control and Differential control in the increment P1]) algorithm and concludes that the physical signification of the three parameters: Kp, Ki and Kd in the increment P11) algorithm is different from that in the analog PID algorithm or the position-type P11) algorithm.
     通过调节PID参数控制温度的过程,研究了增量式PID算式中的三种控制规律:比例控制规律,积分控制规律,微分控制规律在温度控制过程中所起的不同作用,得出了Kp,Ki,Kd三个参数在增量式算式中的物理意义有别于在模拟系统(或位置式算式)中的物理意义的结论。
短句来源
     Subordinate stations use fuzzy control technology to control the load of the mid-discharging mill, the load of the air swept mill, the temperature of decomposing furnace, the temperature of firing zone, the temperature of exhaust gas, thetemperature of secondary air and the load of the cement mill, use PID algorithm control of cumulate windage to control raw material batch and cement batch. These control methods accomplish the real-time supervisal, analysis and optimization of the cement rotary kiln.
     各从站对中卸提升循环磨机负荷、风扫磨机负荷、分解炉温度、烧成带温度、窑尾废气温度、窑头二次风温和水泥磨机负荷等主要控制量应用模糊控制策略,对生料配料、水泥配料采用偏差加权累积的PID算式串级控制,实现水泥回转窑生产过程的实时监控、分析和优化。
短句来源
     Using the ITAE criterion as a performance index,the method is presented for obtaining optimum tuning parameters of the PID algorithm expressions of main loop and vice-loop in the direct digital cascade control systems through the use of simplex method and step by step approximation method.
     本文以 ITAE 积分准则为性能指标,提出了采用单纯形寻优技术和遂步逼近法选择直接数字串级控制系统主、副回路 PID 算式中最佳整定参数的方法。
短句来源
  id算法
     Single chip microcomputer layout the route of the robot by PID algorithm according to the information of the sensor and the robot was driven by the PWM system.
     AT 89C 52单片机根据传感器提供的信息,采用P ID算法规划行驶路径,由PWM系统驱动直流电动机完成机器人的行走。
短句来源
     MATLAB simulation showed that,compared to the conventional PID algorithm,the proposed control scheme had good dynamic and static performances and could adapt itself to the change of plant parameters,thus proving its strong robustness and adaptation.
     MATLAB仿真研究表明,与传统的P ID算法比较,该控制方案表现出了良好的动、静态性能,并能适应被控制对象参数的变化,具有较强的鲁棒性和自适应能力。
短句来源

 

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      pid algorithm
    The fuzzy PID algorithm is outlined using the fuzzy set theory.
          
    We improved the PCP nutristat by incorporation of a personal computer with a proportional integral derivative (PID) algorithm for controlling the medium feed pump.
          
    A comparison of the efficiencies of the maximally rapid-response prognostic algorithm and a PID algorithm in a closed-loop autom
          
    Using a PID algorithm, the pulse width is calculated from the subtraction between the desired force thrust force and the measured thrust force.
          
    The second step is to use these velocities along with transceiver velocities as inputs to the PID algorithm.
          
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    This paper describes the use of a 1P801 SBC in the investigation on thermoluminescence and temperature dependence of luminescence to fulfil the requirement of automatic temperature control and automatic measurement of physical parameters. The system may acts as a constant temperature controller in order to study the relations between luminescence characteristic and temperature. It also may give heating rates of 4℃/min, 6℃/min,10℃/ min and 12℃/min in order to study the depth of trap level and their dis- tribution...

    This paper describes the use of a 1P801 SBC in the investigation on thermoluminescence and temperature dependence of luminescence to fulfil the requirement of automatic temperature control and automatic measurement of physical parameters. The system may acts as a constant temperature controller in order to study the relations between luminescence characteristic and temperature. It also may give heating rates of 4℃/min, 6℃/min,10℃/ min and 12℃/min in order to study the depth of trap level and their dis- tribution in samples. In addition, the computer may carry out the measurement of luminescence intensity and the calculation of the depth of trap level.Adopting computer Direct .Digital Control (DDC) and Sequence Control Counter (SCC), the system is flexible for changing or increasing its functions.This can be done simply by changing the system software.Fig.1 is the schematic diagram of physical experiment system. Fig.2 is the block diagram of computer control system.Adopting access form of temperature table, in the design of software, we are relieved from the tedious correction of experimental result.It is easy to change the temperature table when the thermocouple is changed.Z80-CTC is programed as a timer interrupting the Z80-CPU at time intervals desired and the Z80-CPU performs service programs once every interruption (controlling algorithm and measuring program etc.).It is the time base of linear heating. Having separated PD from PID by using algorithm logic in PID algorithm, we get an advantage that the overcorrections of variable to be controlled are decreased and the times to reach stabilization are shortened.In the design of hardware, interface circuits are suitable to different heating systems and multiparameter measurement. The measured thermolu-minescence curve may be printed by TP801-P microprinter and displayed on an oscilloscope. The real-time temperature and the deviation of the control system are displayed by LED (light emitting diode) of TP801. With these universal interface circuits, the system may be used in other experimental systems which need temperature controlling, multichannel measuring and general calculates.The sampling and middle value filter subroutines as well as the main program flow chart are recommended in this paper (see Fig.3,4,5). Incremental value equation of PID algorithm is also suggested.Fig.6, Fig.7 and Fig.8 are the examples of experimental curves. Fig.6 is the thermoluminescence curve of ZnS: Cu,Co which is measured with the temperature of the system automatically controlled (above room temperature) and printed by TP801-P microprinter. Fig.7 is the thermoluminescence curve of the same sample which is measured with the manual temperature control and plotted on a X-Y recorder. Comparing these two curves, we can see that the resolution of trap energy spectrum is improved when heating rate is controlled by the computer. Fig. 8 is the emission spectra cf Y2O2S:Eu (1×10-4) at different constant, temperatures which are controlled by the computer. The curves were plotted on a X-Y recorder.

    在热释光(TL)和发光温度特性研究中引入TP80l单板计算机,使其完成对加热系统的温度的实时控制和物理参数的自动测量等工作。该系统除可作一般的恒稳控制以研究样品的发光性能对温度的依赖关系,也可在0℃~160℃范围内给出不同的升温速率以研究不同升温速率下样品的陷阱深度及分布情况。与此同时,计算机将完成测量光强、计算陷阱能级深度和打印热释光曲线的功能。本文对系统的硬件及软件设计作了较详细的介绍。

    Introduced is a new method of PID self-tuning for DDC systems based on critical proportion band approach, where the system is forced to maintain a constant-amplitude oscillation by a software embodying relay element performance that dead zone as well as hysterisis characteristics is not likely discerned with. Evaluation of parameters at critical oscillations can be obtained by measuring the amplitudes and the periods therein; and, according to the expanded critical proportion band method, evaluation of...

    Introduced is a new method of PID self-tuning for DDC systems based on critical proportion band approach, where the system is forced to maintain a constant-amplitude oscillation by a software embodying relay element performance that dead zone as well as hysterisis characteristics is not likely discerned with. Evaluation of parameters at critical oscillations can be obtained by measuring the amplitudes and the periods therein; and, according to the expanded critical proportion band method, evaluation of PID parameters can readily be worked out and bestowed on the PID algorithm to render self-tuning.

    本文介绍一种在DDC控制中用计算机实现的PID参数自整定的方法。此法基于扩充临界比例度法,通过软件实施一个无滞环、无死区的继电特性,使系统产生等幅振荡。通过测取振荡波形的振幅和周期,求取系统临界振荡的参数。根据扩充临界比例度法计算出PID之参数,並通过程序自动赋于PID调节程序,以达到自动整定和投运之目的。

    Using the ITAE criterion as a performance index,the method is presented for obtaining optimum tuning parameters of the PID algorithm expressions of main loop and vice-loop in the direct digital cascade control systems through the use of simplex method and step by step approximation method.This method is accurate,reliable,convenient and easy to grasp.It presents direct digital cascade control systems with a set of optimum tuning parameters.Because researched object is a first-order time delay moder with...

    Using the ITAE criterion as a performance index,the method is presented for obtaining optimum tuning parameters of the PID algorithm expressions of main loop and vice-loop in the direct digital cascade control systems through the use of simplex method and step by step approximation method.This method is accurate,reliable,convenient and easy to grasp.It presents direct digital cascade control systems with a set of optimum tuning parameters.Because researched object is a first-order time delay moder with universality in process control, the method has practical significance.The method with optimization is given for optimization design ofp arameters of cascade control systems.

    本文以 ITAE 积分准则为性能指标,提出了采用单纯形寻优技术和遂步逼近法选择直接数字串级控制系统主、副回路 PID 算式中最佳整定参数的方法。该方法准确、可靠、方便,而且容易掌握,可为直接数字串级控制系统提供一组最佳整定参数。由于所研究的对象是带纯滞后的一阶惯性参数模型,在过程控制中具有普遍性,所以该方法具有实用意义。文中提供了用最优化技术进行串级控制系统的参数最优化设计的一种方法。

     
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