A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
Automatic regulation must be added owing to the unstable characteristics of the open loop secondary system.
由于二次调节的开环不稳定特性，必须为其设置自动调节系统。
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。
A kind of the use of impulsive control mode, the drive and motor closed loop, but not feedback to the numerical control system, this drive, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
This design is the use of leading correction principle, finally meet the performance index of a control system open loop gain, phase margin, angular frequency requirements.
本设计利用超前校正原理，最终满足对控制系统性能指标开环放大系数、相角裕量、截止角频率的要求。
The slotted pipe with narrow slots can be mass worked economically and efficiently by means of open loop system and hand automatic model shifter.
采用开环系统和手动、自动模式切换装置，可以经济、有效、大量地加工带有窄缝的割缝筛管。
If unexpected disturbances act upon an open-loop system, or if its behavior is not completely understood, then the output will not behave precisely as expected.
如果有不期望的扰动作用在开环系统上，或者如果其行为不能完全掌握的话，则该系统的输出就不会完全如预期般动作。
By the matching design method, the dynamical equations of dosed loop system can match those of the open loop system.
方法采用匹配设计方法，通过匹配条件，使开环系统与闭环系统的动力学方程匹配。
Because the signal processed by fuzzy controller is based on system behavior rather than its analytical model, open loop responses of a robot are described by a set of second order systems.
因为模糊逻辑控制器的控制信号是由系统的响应行为而不是由其分析模型决定的，所以机器人的开环响应可以用一系列二阶系统来描述。
As for the SISO system with self-balance, a new PD fuzzy controller based on the steady response of its open loop step input is introduced.
针对一类具有自衡特性的SISO系统，借助其开环阶跃输入稳态响应所提供的信息设计了一个新颖的PD型模糊控制器。
This paper introduces several methods to reduce error of step by step motor open loop servo system in numerical controlled machine tools.
本文介绍了减少数控机床步进电机开环伺服系统误差的几种方法。
A new serial coupled led system generating open loop nonclassical intensity correlation light field by using a technique of negative feedback is described in the paper.
报道了一种利用光电负反馈技术产生开环非经典强度相关光场的串联耦合led系统。
Though time-slicing interpolation used in Open-loop CNC can prompt system performance effectively.
在开环数控系统中采用数据采样法插补，可以有效提高系统性能。
The text makes dynamic particular analysis of the response of the system, also drawing the Bode figure of open loop system.
对系统的动态响应特性进行了定性描述，并绘制了开环系统的波德图。
Fig. 37.1 is a general representation of an open-loop control system.
图37.1是对开环控制系统的一般性表示。
The identification method for the one dimension time series, open loop and closed loop system are developed by use of model ARMA.
讨论了一维时间序列开环系统、闭环系统的辨识方法及定阶问题。
With the help of the method, the control accuracy similar to that of close loop system can be obtained and the system has the same stability as that of open loop system.
采用这种控制方式，可以获得类似闭环系统的控制精度和开环系统的稳定性。
An open-loop (direct) system operates without feedback and directly generates the output in response to an input signal.
一个无反馈的开环（直接）系统直接产生对于输入信号的输出响应。
A rotor flux oriented control system with flux and open-loop speed estimators is described. The key module of this system is the flux and speed estimator.
介绍了一种采用磁链和开环速度估算器的转子磁场定向的控制系统，系统设计的的关键问题是磁链的观测和速度的准确估算。
Through dividing electronic expansion valve from evaporator system and based on constant gain of superheat open loop rule, the compensation theory of valve head was analyzed.
通过将电子膨胀阀与受控对象(蒸发器)细化分开来，并依据恒定开环增益准则从理论上分析了阀头补偿原理。
This paper deals with the stability improvement of open-loop excitation system by using feedforward compensation control.
本文论述了用前馈补偿控制提高开环励磁系统稳定性问题。
In this paper, a new computer-oriented method of obtaining the numerical solution of the dynamics of open loop multibody system is developed.
提出了获得开环多体系统动力学数值解的新方法。
Computer use of vertical feed system for open-loop control.
利用微机对纵进给系统进行开环控制。
Based on the fuzzy relational model of the open-loop system, the design of a fuzzy feedback controller is discussed.
以开环系统模糊关系模型为基础，讨论了模糊关系系统反馈控制器的设计。
The conventional recognition system may be regarded as an open loop recognition system, which only executes a mono-direction mapping from input data space to recognition result space.
通常的识别系统只是执行了从输入数据空间到识别结果空间的单向映射，可以看作为一种开环识别系统；
Based on 2 norm estimate of matrix, stability of T S type fuzzy controller is studied and several sufficient conditions of open loop system are proposed .
利用矩阵的谱范数估计，研究了连续T-S型模糊控制器的稳定性，给出模糊开环系统稳定的充分条件。
To design the control strategy for heating metal, the open loop system model of the metal heat conductor shall be obtained first.
设计金属加热的控制策略，首先要获得金属导热体的开环系统模型。
Firstly, during the period of open loop control, system traces the change of LPG injection of engine quickly by checking the pre-set two-dimension MAP if conditions of engine are changed suddenly.
首先，在开环控制部分，如果发动机发生突变，系统利用制好的二维MAP图查找所需喷气量，快速跟踪发动机喷气量的变化。
Based on the analysis to close loop hydraulic system of hydraulic hammer, this paper provides on open loop hydraulic system.
本文对液压锤使用的闭式液压系统性能进行了分析，在此基础上提出了泵直接传动的开式液压系统。
It is also stressed that the orifice of the valve adopting linear, small gain form is suitable to reduce open-loop gain of the system and increase the stability.
文中还强调平衡阀的节流口宜采用线性小增益形式，以利于降低系统开环增益，提高稳定性。
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