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。
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。
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。
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。
On the basis of three-phase inverting circuit, this paper describes how to make the control method of open loop system in closed loop system.
以三相逆变电路为基础，阐述了如何将开环系统的控制方法用于闭环系统，并且介绍了这种新的控制方法在实际中的应用，证明了该方法的有效性。
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。
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。
The important features of the system are:it possesses not only the control precision of the fully closed-loop systems, but also the stability of the open loop systems.
该系统可对各种类型的数控机床实现以高精度、高稳定性和优良的动态性能为特征的全闭环位置控制。
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。
The work of agencies to rely on speed and for adjusting the pump or motor variables agencies to achieve, to avoid the open loop system for the process are the hydraulic impact and energy loss.
工作机构的变速和换向靠调节泵或马达的变量机构实现，避免了开式系统换向过程中所出现的液压冲击和能量损失。
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。
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。
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。
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。
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。
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；
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。
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。
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。
Then, a new sufficient condition for the stability of open-loop system is proposed based on linear matrix inequality (LMI); and a fuzzy controller is designed via non-quadratic PDC control law.
然后，基于一系列线性矩阵不等式，得到了开环系统稳定的充分条件，进而又基于非二次PD C控制律，设计出了模糊控制器。
The article also lays stress on proposing a practical open loop control system. The system is of many advantages, such as simple structure, low cost, and reliable operation, etc.
并着重提出了一种实用的开环控制系统，因它具有结构简单、成本低、工作可靠等特点。
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。
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。
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。
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