Using this virtual instrument, the frequency characteristics of both open-loop system and closed-loop system can be measured.
设计的虚拟仪器既适用于对开环系统又适用于对闭环系统的频率特性进行测试。
A unified model for harmonics and reactive current closed-loop or open-loop detection was established based on instantaneous reactive power theory.
基于瞬时无功功率理论建立了谐波及无功电流检测系统闭环、开环的统一模型。
Due to the inherent hysteretic nonlinearity, the giant magnetostrictive actuator (GMA) can cause position error in the open-loop systems, and cause instability in the closed-loop systems.
由于内在的滞回非线性，超磁致伸缩驱动器(GMA)会在开环系统中引起定位误差，在闭环系统中造成系统不稳定。
It includes the function of the control system, the fundamental theory of microcomputer control of a filament winding machine, the construction of open-loop and closed-loop systems and conclusions.
计算机控制纤维缠绕的基本原理；开环系统和闭环系统的组成以及研究的结论。
Synchronization algorithm can be divided into two main categories: the existing open-loop algorithm and the traditional closed-loop algorithm.
同步算法主要可以分为两大类：现行的开环算法和传统的闭环算法。
The simulation results show the open-loop and closed-loop frequency responses, output saturation, and the slew-rate of operational amplifier are truly reflected by this model.
仿真结果显示，运放开环与闭环时的频率响应、输出饱和、转换速率等特性得到了真实的反映。
Given the structure of position regulator of linear servo system and open-closed loop iterative learning position regulation algorithm with forgetting factor.
给出直线伺服系统位置调节器结构及带有遗忘因子的开闭环迭代学习位置调节算法。
The analytical relation among the weighting matrices and open loop and optimal closed-loop characteristic polynomials is derived.
推导出加权矩阵与开环、最优闭环特征多项式系数之间的解析关系式。
Compared with closed loop system, open loop system has higher efficiency and wider application.
与闭式系统相比，开式系统换热效率更高，应用更为广泛。
This paper presents a parametric open plus closed loop control approach to controlling chaos in continuous dynamical systems.
针对可能呈现混沌性态的连续动力学，提出了一种参数开闭环控制方案。
In the design of the software part, this paper gives the software design of open-loop control with SPWM and the software design of voltage-current double closed-loop control.
在软件设计部分中，首先进行了开环系统软件设计和电压电流双闭环控制系统软件设计。
This control may be closed loop or open loop.
控制可以是闭环的也可以是开环的。
At last, experiment of open loop and closed loop system are completed, which is in accord with the simulation result. It verified feasibility and advantage of the control scheme.
最后完成了系统的开环和闭环实验，取得了和仿真一致的结果，从而验证了控制方案的可行性和优越性。
All the stabilizing IMC controllers and the resulted closed-loop systems were characterized in terms of the open-loop system's time delays.
所设计的多变量内模控制器能使系统稳定解耦，所得到的闭环系统根据开环系统时滞来描述。
The proposed method combined the open-loop control and the closed-loop control, resulting in extending the protect area of emergency control.
提出将开环控制与闭环控制两种方式相结合，扩大了紧急控制的保护范围。
The solar tracker has two working modes, open loop mode and closed loop one, and it consists of an imaging unit, a turntable, steppers, the subsystem of micro control unit, a computer and so on.
提出的太阳跟踪器具有开环和闭环两种工作模式，由成像单元、转台、步进电机、单片机、上位机等模块构成；
A visual servo scheme is employed for the closed loop mode, while astronomy theory is used for the open loop mode.
其闭环工作模式采用了视觉伺服控制方法，开环工作模式则采用了天文跟踪方法；
A lot of experiments for open loop control and closed loop control have been made according to the polygon voltage vector control. The experiment result shows that the new scheme is feasible.
对于采用多边形电压矢量新方案，我们分别进行了大量的开环及速度闭环实验，实验结果表明本控制方案是可行的。
Distribution network is designed in closed loop and operated in open loop.
中压配电网络规划要求配电系统闭环设计开环运行。
In order to achieve the communication between the ship board antenna and the synchronous communication satellite, a method by the digital guiding closed loop and level open loop tracker is presented.
为了实现船载天线与同步通讯卫星的通讯，根据坐标变换原理和实际使用要求，提出了数引闭环、电平开环的跟踪方法。
Third, rail - to - rail amplifier output stages exhibit load - dependent gain which affects amplifier open - loop gain, and hence closed - loop gain accuracy.
第三，轨到轨放大器输出级增益与负载有关，这将影响放大器的开环增益，当然也影响了闭环增益的准确性。
The instantaneous optimal closed-open-loop control equations are derived.
求出了瞬时开闭环最优化控制方程。
For the finite propulsion reentry guidance, the conventional closed-thruster equation based on open-loop control loses its way.
解决有限推力模型的再入飞行器初制导问题，利用传统开环控制的关机方程达不到要求的精度。
In this paper, the new approach, the parametric adaptive open-plus-closed-loop control, is proposed to deal with this kind of problem and the robustness is proved.
为了解决这个问题，本文提出了一种新的控制方法——参数自适应开闭环控制，并证明了这种方法具有鲁棒性。
Analyzed the structure and mathematical model of linear servo system based on open-closed loop iterative learning position regulation in detail.
详细分析了开闭环迭代学习位置调节下的直线伺服系统结构与数学模型。
A feedforward or open loop method is used to estimate the parameters, and then more accurate feedback or closed loop method is used to complete synchronization.
首先利用前向估测方法对参数进行预估计，在此基础上结合后向反馈方法完成同步。
Using the mass dynamic substitution concept, the complete balancing of shaking force and shaking moment of closed loop spatial linkages may be reduced to that of open loop spatial kinematic chains.
其基本思路是通过质量动替代的途径，将空间闭链机构摆动力和摆动力矩的完全平衡转化为空间树状链摆动力和摆动力矩的完全平衡。
Using the mass dynamic substitution concept, the complete balancing of shaking force and shaking moment of closed loop spatial linkages may be reduced to that of open loop spatial kinematic chains.
其基本思路是通过质量动替代的途径，将空间闭链机构摆动力和摆动力矩的完全平衡转化为空间树状链摆动力和摆动力矩的完全平衡。
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