Modeling of double loop DC motor control system under variable load 变负载下直流电机双闭环调速系统建模
For loop control variable must be simple local variable FOR循环控制变量必须为简单局部变量
Officials working behind the scenes urged them to avoid further confrontation. Inductosyn Closed loop Control Variable Step Step Servo System 在幕后进行操纵的官员们极力劝诫他们应避免进一步的正面交锋。感应同步器闭环变步距步进伺服系统
In the loop control level, the fuzzy control algorithm with variable and adjustable factor is adopted; 回路控制级采用可变调节因子模糊控制算法;
Array declared as for loop control variable cannot be declared with an initial size. 声明用于循环控制变量的数组时不能使用初始大小的值。
Inductosyn Closed loop Control Variable Step Step Servo System 感应同步器闭环变步距步进伺服系统
The paper analyzed the property and the conflict of the platform servo loop, recommended the traditional PID control and the sliding variable control respectively. We can make the conclusion through comparing the results of the two methods mentioned above. 分析了平台稳定回路的特点及其存在的矛盾,介绍了PID控制和滑模变结构控制,通过仿真,比较2种控制方法的仿真结果。
The introduction and intercomparison of multiple variable generalised forecast control algorithm, implicit algorithm and feedforward algorithm are presented. A dual loop controller with adaptive control based on multiple variable generalised forecast algorithm is introduced. 首先介绍、比较了多变量广义预报控制算法、隐式算法和前馈算法,接着介绍了采用在多变量广义预报控制算法基础上形成的自适应控制的双回路控制器。
We firstly introduce the theory of the direct digital Phase-Lock Loop frequency synthesizer. The Phase-Lock Loop is based on negative feed-back control theory, when one of its control variable changed, the system can adjust by itself and get stable on a new state. 本文介绍了直接数字锁相环频率合成的原理,锁相环是基于负反馈控制原理,在改变其一个控制变量时,能自动调节,在新的一个状态下重新达到稳定;
The inner loop of the cascade controller adopts adaptive control algorithm with inductance and input voltage estimators and takes the inductor current as the controlled variable. 控制器的内环采用基于电感和输入电压估计的自适应控制算法,以电感电流为被控量;
A fuzzy predictive controller based on T-S fuzzy model is employed to obtain the control variable of fuel-dryness closed loop. And this control variable is multiplied by the feedforward control variable to form the feedforward-feedback control of dryness fraction. 在燃料量-蒸汽干度调节回路中采用基于T-S模糊模型的模糊预测控制得出控制量,并将其与水流量前馈控制量相乘,构成蒸汽干度的前馈-反馈控制。
The outer loop of the cascade system adopts adaptive control algorithm with a parameter estimator and takes the capacitor voltage as the controlled variable. 系统的外环采用基于参数估计的自适应控制算法,以电容电压为被控量;
Principle of step motor divided drive and principle of difference frequency subdivision inductosyn system are introduced in this paper. And the build up and work principle of the inductosyn closed loop control variable step step servo system are also introduced. 本文介绍了步进电机细分驱动原理和感应同步器差频细分测量原理,并在此基础上介绍了感应同步器闭环变步距步进伺服系统的构成及工作原理。
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。
The oil film compensating model, cylinder pressure feedback loop control, variable valve timing, valve lift technology and some new post-treatment mea-sures, which are applied in cold starting technology, are introduced to improve cold starting emission conditions. 介绍冷起动控制技术中采用的油膜补偿模型、缸压反馈闭环控制、可变气门正时和气门升程技术及一些新的后处理措施,以降低冷起动的排放。
Experimental Studies on Close Loop Control Strategy for Fully Variable Valve Actuation 全可变气门机构闭环控制策略的实验研究
The Dual Closed Loop Control of Speed and Rotor Current for Variable Frequency Regulating Speed System Consisting of General Inverter 通用变频器组成的转速、转子电流双闭环控制变频调速系统
This paper presents a method of SRD system closed loop control which is realized by using logical circuit, analyzes its control principle, and describes the effect of energy economization of SRD partial fan variable speed system made of SRD system and low capacity partial fan. 阐述用逻辑电路实现SRD系统闭环控制的方法,分析其控制原理,并从理论和实践上分析由SRD系统及局部扇风机构成的SRD局扇调速系统节能效果。
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。
A closed loop transfer function block diagram in which stator voltage is used as a control variable is designed. 并设计了以定子电压作为控制变量的闭环传递函数框图。
To optimize the closed loop performance of the low pressure die casting process, the MPC controller was tuned, and the weighting matrix in the cost function, the prediction horizon, and the control horizon were defined. And the control variable constraints were also specified. 为了优化铸造过程的闭环性能,本文对MPC控制器进行了整定,定义了代价函数中的加权矩阵、预测时域和控制时域,并指定了控制变量的约束。