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pid algorithm
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  pid算法
    Influence of PID algorithm on stability domain of hydro-turbine governing system
    PID算法对水轮机调节系统的稳定域影响
短句来源
    A kind of improved control algorithm for microprocessor based on PID governor of hydro turbine is presented in this paper. The mathematical models of the hydro turbine governing systems are established by preliminary PID algorithm and improved PID algorithm respectively.
    本文提出一种改进的水轮机微机调速器PID控制算法,并建立了采用原始PID算法和改进PID算法的水轮机调节系统的离散数学模型,给出了调节系统的稳定域边界控制方程,并对两种PID算法的调节系统稳定域进行了分析比较。
短句来源
    Besides, an improved PID algorithm is given in this paper. According to normal PID algorithm, the improved algorithm has higher calculation accuracy.
    提出一种能够消除延时误差,提高计算精度的改进PID算法,对调频模式下采用原始PID算法和改进PID算法的调节系统稳定域进行分析比较。
短句来源
    After the analysis of the governing system under the mode of regulating frequency with different PID algorithm, it is easy to find that the system with improved algorithm has wider domain than that of the system with normal PID algorithm, and the former is more favorable to the stability than the later.
    结果表明,b_P、K_D对调节系统稳定域影响较大,在b_P、K_D较小时,两种PID算法的稳定域相差不大,在b_P、K_D较大时,改进PID算法的稳定域大于原始PID算法的稳定域,采用改进PID算法更有利于调节系统的稳定。
短句来源
    In software designed, the procedure frame of hydraulic-turbine governor and disperse process of parallel PID are analyzed, An improved PID algorithm is adopted to realize a PID regulation mode with variable structure and parameters;
    在软件上,对微机调速器的整个程序框架、并联PID的离散化过程进行了分析,选用改进的PID算法实现了变参数、变结构的PID调节模式;
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  “pid algorithm”译为未确定词的双语例句
    In this paper, by using the nonlinear PID algorithm, we improve the classical PID regulator for hydraulic turbine governor to improve its performance.
    本文研究采用非线性PID控制来改善水轮机调速系统的性能。
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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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In order to raising automation of measurement and control of a river model, mechano electronic type auto track water level gages, a self designed sandfeeder valve with abnormality plate structure, a self adapting PID algorithm and a special control flow process chart were used in model test. On the basis of the time of every discharge grade, an automatic system which integrates the measurement and control of discharges, water levels and sand feeder was designed. The accuracy of water level controlled...

In order to raising automation of measurement and control of a river model, mechano electronic type auto track water level gages, a self designed sandfeeder valve with abnormality plate structure, a self adapting PID algorithm and a special control flow process chart were used in model test. On the basis of the time of every discharge grade, an automatic system which integrates the measurement and control of discharges, water levels and sand feeder was designed. The accuracy of water level controlled by this system may reach 0.1 mm and the time of stabilizing water level is about 7min.. The application of this system in a river model of tunnelling through Yellow river for the Diversion Project from South to North China demonstrated that every its index can fulfill the design requirements.

为了提高河工模型检测与控制自动化水平,采用机电式自动跟踪水位计及自行设计的异形板结构掺沙阀门,自适应PID算法和独特的控制流程,以每级流量时间为基础,设计出了一个集流量、掺砂、水位检测与控制为一体的全自动控制系统。系统水位控制精度达到0.1mm,能在7min左右使水位达到稳定。应用于南水北调穿黄河工模型后,各项指标均满足系统设计要求。

In this paper, by using the nonlinear PID algorithm, we improve the classical PID regulator for hydraulic turbine governor to improve its performance. Simulation results shows that nonlinear PID controller has the advantages of short adjust time, small overshoot and strong robustness.

本文研究采用非线性PID控制来改善水轮机调速系统的性能。仿真结果表明 :非线性PID控制具有响应速度快、超调量小的特点 ,可有效地改善水轮机调速系统的控制性能

A kind of improved control algorithm for microprocessor based on PID governor of hydro turbine is presented in this paper. The mathematical models of the hydro turbine governing systems are established by preliminary PID algorithm and improved PID algorithm respectively. From analysis of the boundary control equations of the system and the stability domain, it proves that the improved PID algorithm eliminates the errors caused by the delaying unit with higher calculation accuracy...

A kind of improved control algorithm for microprocessor based on PID governor of hydro turbine is presented in this paper. The mathematical models of the hydro turbine governing systems are established by preliminary PID algorithm and improved PID algorithm respectively. From analysis of the boundary control equations of the system and the stability domain, it proves that the improved PID algorithm eliminates the errors caused by the delaying unit with higher calculation accuracy and faster calculation speed, and the stability domain of the improved PID algorithm is wider than that of the preliminary PID algorithm.

本文提出一种改进的水轮机微机调速器PID控制算法,并建立了采用原始PID算法和改进PID算法的水轮机调节系统的离散数学模型,给出了调节系统的稳定域边界控制方程,并对两种PID算法的调节系统稳定域进行了分析比较。结果表明,改进PID算法消除了延时环节引起的误差,比原始PID算法的精度高,运算速度快;采用改进PID算法较采用原始PID算法的调节系统稳定域大。

 
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