查询词典 feedback control system

This paper presented a practical mathematical model of coordinated control object of supercritical pressure unit, adopting observer to estimate coal heat value, and design a synthetic coordinated control system with state feedback based on increment function observer-KDx, PID, intelligence control and British thermal unit.

该文给出超临界机组协调受控对象的一种实用数学模型，采用观测器预估燃煤的热值，设计一种基于增量式函数观测的状态反馈+串级PID+智能控制+热值补偿的综合型协调控制系统。

The total energy of the system is employed to show the passivity property of TORA, and then a proper Lyapunov function including energy item is designed. Based on Lyapunov theory, a state feedback control algorithm is achieved. The stability of the control system is based on LaSalle invariance theorem.

基于拉格朗日方程，建立了TORA的动力学模型，从能量的角度出发，说明了系统的无源特性，在此基础上设计了一个合适李亚普诺夫函数，从而得到了系统的控制算法；采用拉萨尔不变性原理分析了控制系统的稳定性。

The feedback linearization,system lacunarity and optimization control of the nonlinear control system are discussed.

对非线性控制系统设计理论上的难点问题进行了探讨，就非线性控制系统的反馈线性化、系统间隙度和非线性系统的优化控制进行了分析。

It is also a good laboratory flat of feedback loop control system and nonlinear control system.

同时也是闭环和非线性控制研究很好的平台。

Combine to emphasize the software design that introduced thought and design methods of the direct current servo control system, it included the design of the main procedure, give the design that settle the procedure, modify the design of the procedure and start the design of the procedure to break off the design of the procedure with the T0, passing to the fixed amount with comparison and PID that feedback measures control procedure, output the certain electric voltage, realize system opposite angles degree of accurate follow.

本文介绍了以 MCS—51单片机为控制核心的直流伺服控制系统的工作原理，并着重介绍了直流伺服控制系统的软件设计的思想及设计方法，它包括了主程序的设计、给定程序的设计、修改程序的设计、启动程序的设计和T0中断程序的设计，通过给定量和反馈量的比较及PID控制程序，输出一定的电压，来实现系统对角度的准确跟踪。

The study demonstrates that there are four ways to expand the bandwidth of servo control system of the electro-optical theodolite: 1 Improving the free vibrancy natural frequency of optical-electronic theodolite; 2 To compensate the structural syntony ; 3 Using electric current feedback; 4 Using acceleration and velocity feedback.

研究表明，提高光电经纬仪伺服控制系统带寛有4个途径：1）增大光电经纬仪固有频率；2）对结构谐振进行补偿；3）使用电流反馈；4）使用加速度和速度反馈等。

The control of a robot with unactuated joints is much more difficult than a conventional robot. Because the unactuated joints can't be controlled directly, it is an incomplete controllable system. Usual smooth feedback control is not usable for such system.

引言在一般的机器人控制中，机器人各关节是由各自的电机分别控制驱动的，这样在运动控制上非常简单，一般的只需要做运动学反向解，通过位置反馈控制来实现预定的运动轨道。

Besides , to various mechanical drive , gas , hydraulic drive, and machinery principle, I all have systematic all-round grasping,may carry out malfunction inquiry on complicated equipment fleetness on one's own , renovate and debug; At the same time, control system to various feedback such as: The limit vacuum , very much cold navar , liquid our such as place , the temperature , pressure under the control of system also have all-round grasping.

此外，对于各种机械传动，气、液压传动，以及机械原理我都有较全面系统的掌握，可独立对复杂设备快速进行故障查询，修复及调试；同时，对各种反馈控制系统如：极限真空、深冷控制系统、液位、温度、压力控制系统等我也有较全面的掌握。

Aiming at the characteristics of car retarder control system and its performance requirement, a fuzzy self tuning PD controller for retarder control is designed. It takes speed error and its change as fuzzy variables to determine the fuzzy control rules. Using the determined rules, the parameters of PD controller is adjusted on-line, which can be adapted well to required speed and the process parameter variation of retarder feedback control.

针对车辆减速器控制系统的特点和性能要求，设计减速器模糊在线自校正控制器，以调速过程中速度误差及其变化为输入语言变量，建立模糊控制规则；根据模糊控制规则在线调整PD控制器的参数，使控制器能较好地适应减速器闭环控制定速设定及过程参数时变。

Firstly, the control of reentry phase and the model of RCS jets are presented. Then the flight control system is divided into two subsystems based on the time-scale separation principle. The fast states subsystem corresponds to the three body-axis angular rates, the slow states subsystem controls the angle-of-attack, sideslip angle and the rate of the bank angle about the velocity vector. Lastly, the proportional-plus-integral feedback is designed to increase the system robustness.

首先，分析了SRLV再入段的数学模型，并给出了反作用推力控制系统的控制模型；其次，将非线性动态逆方法与时标分离原则相结合，考虑飞行器姿态控制系统的外环角回路的慢变特性和内环角速度回路的快变特性，独立设计了两个回路的控制律；最后，为了增强系统的鲁棒性，分别在两个回路中引入了比例－积分反馈，有效地抑制了干扰力、力矩和非线性对消带来的逆误差。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。