This paper mainly Donghuantuo of Kailuan coal mine hoist loop control of the PLC system after the completion of the structure and function of a detailed presentation. 主要对开滦东欢坨矿的提升机主控回路的PLC改造后系统的结构以及各部分完成的功能进行了详细地介绍。
The method of realizing closed loop digital control with RLG located in the strapdown inertial navigation system was discussed. The structure of rotation servo system was introduced. The designing method and process of the digital controller were given. 采用捷联惯导系统本身的RLG实现转位系统的闭环数字控制,给出了转位伺服系统的结构组成以及数字控制器的设计方法和设计过程,给出了数字控制器的计算机实现方法和软件流程。
In accordance with the features of large amount of controlled values, and unstable time delay, dual loop control structure is used. 针对被控量大、时滞不稳定的特点,采用了双环控制结构。先构造内环状态反馈以改善对象动态特性,然后按照内模控制原理设计外环的控制器。
In addition, a closed-loop control algorithm and structure were presented. 同时提出了系统的闭环控制策略与控制结构。
A design method of the double-pulses closed loop control for the dual-spin satellite is presented, the wobbling of the satellite caused by the structure error is analysed. 提出了双自旋卫星的双脉冲闭路控制的设计方案。
A dual-loop control method with inductor current feedback as inner loop is introduced, and the control structure is analyzed in detail. 提出电流内环电压外环的双闭环控制方法,并对该结构进行了比较详细的分析。
Based on the analyzing of movement process of the tracking system, a loop control structure diagram of the system and its simplified digital dispersed control diagram are presented, which makes the microcomputer control program of the tracking system much simple. 在分析该系统跟踪过程运动关系的基础上,建立了系统的闭环控制关系图,并提出了其系统数学离散控制结构简化图。由此设计出的数字控制器可大幅度简化此系统的微机控制程序。
This Scheme is not correlated with characteristic of the traffic. It does not need to change the current closed loop feedback control structure of ABR traffic, and this provides a premise of practical application. 该机制与连接业务的特性无关,且不需要改变有关ABR闭环反馈的流量控制结构,这为算法的实际应用提供了前提。
The calculation of cable-lengths used in closed loop control on the movement of the cable-suspended feed cabin structure 索系馈源舱闭环运动索长解算的研究
In the control of voltage source PWM rectifier, direct current control and dual close loop control structure in d-q synchronous reference frame are widely adopted. 在电压型PWM整流器的控制中,广泛采用在同步旋转坐标系下的直接电流控制方法和双闭环控制结构。
The iner part is rate loop which adopt continuous control policy, the outer part is accelerometer feedback loop which adopt variable structure control law to decrease the effect of parameter variation. 外回路为加速度控制回路,采用变结构控制率,以减小弹体参数摄动对输出加速度的影响。
But for much of them, the basic closed loop control structure with regulators is still. 但对大部分系统而言,其基本的闭环控制结构、利用调节器对控制对象进行校正以使系统符合要求的方法基本未变。
Date fusion is split into kinds of parallel connection/ series/ commix/ network type structure, open/ closed loop type structure according to control switch, and centralizing/ distributing structure according to tactics, single/ multi-platform structure according to data fusion size. 按结构分为并联/串联/混合/网络型。按控制开关分为开/闭环型。
According to Vector Control topology of Asynchronous Motor, in this thesis paper I used one kind of feed back non-liner compensation method based on double closed loop control structure where outer loop control the target and inner one control the current. 按照异步电机矢量控制策略,本文运用了一种基于反馈非线性补偿的双闭环控制结构,既由目标控制外环和电流控制内环组成。
The theory of PDE thrust control system was studied. It included thrust control method and closed loop control structure. 研究了PDE推力控制系统的原理,包括推力控制方法和闭环控制结构。
The inner loop of the PID model-free control is used to overcome the uncertainty of the plant and the outer loop of the variable structure neuron is used to improve the system performance. 这种控制系统采用双环控制结构,内环的PID非模型控制器用来克服对象不确定性的影响;外环的模糊变结构神经元控制器用来改善系统的动态性能。
Meanwhile, the thesis gives the detailed design methods of the double closed loop control structure on the voltage and current of the PWM rectifier and the single closed-loop control structure on the current of the PWM inverter. 同时论文对PWM整流器电压、电流双闭环控制结构及PWM逆变器电流单闭环控制结构进行了详细设计并详细的给出了控制电路的参数设计方法。
The dual closed loop control structure of DC voltage outer loop and grid-current inner loop is used. 采用直流电压外环、并网电流内环的双闭环控制结构。
According to the different requirements of outer voltage loop and inner current loop of the system, a system control structure has been designed, and the calculation formula of PI parameters in each loop have been derived. 根据系统对电压外环和电流内环性能的不同要求,设计了系统的控制结构,推导出了各个环路PI参数的计算公式。
Then, connecting with the transform circuit of the FTPM motor drive, the SVPWM control strategy is determined to build the fault tolerant permanent magnet motor vector control system with the speed and the current double closed loop control structure. 接下来,结合永磁容错电机功率变换电U路的特殊性确定了使用SVPWM控制策略,构建转速与电流双闭环控制结构的永磁容错电机矢量控制系统。