The friction drive mechanism moves well even when driven at high frequency and with long strokes, so it can be used with open-loop control systems for micro displacement.
进给速度可通过改变驱动脉冲的频率调节，机构在高频驱动大位移动作时亦表现出准确的步进特性，可用于小型机电系统的开环进给驱动。
However, this advantage is more than outweighed by the disadvantages of open-loop control and the inherent advantages of feedback systems.
然而，这一优点比不上开环控制的缺点和反馈系统的固有优点。
An internal model control strategy is proposed to a class of open loop stable nonlinear systems described by fuzzy neural networks.
针对一类开环稳定的非线性系统，提出了一种基于模糊神经网络的非线性内模控制方案。
The institution of all the humping speed control systems basically depends upon open loop control which restricts the character of speed regulating and random adaptability to the circumstances.
现行各种制式的驼峰速度控制系统，都基本属开环控制，限制了速度调整的品质和当外界因素变化时的随机适应能力。
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。
The paper introduces an open configuration software of distributed control systems (DCS), especially describes the object oriented programming design and the techniques of control loop identification.
介绍了一种DCS开放式组态软件，并详细叙述了面向对象程序设计方法和控制回路识别技术。
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。
To this problem, a parametric adaptive open-plus-closed-loop control (PAOPCL) is proposed to control discrete chaotic systems with uncertain parameters.
对开闭环控制在不确定参数条件下，参数变化满足控制需要的条件进行了讨论。
In this paper, mainly discuss the synthesis method of combined control systems (systems both contain open loop and closed loop control circuits).
本文主要讨论了复合系统(具有开环及闭环控制回路的系统)的综合方法。
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。
The control theory of chaotic dynamical systems mainly contain the Lyapunov Exponents-based control and open-plus-closed-loop control of discrete-time chaotic systems.
针对混沌系统，采用基于李雅普·诺夫指数和开闭环控制实现了连续和离散混沌系统的控制。
The control theory of chaotic dynamical systems mainly contain the Lyapunov Exponents-based control and open-plus-closed-loop control of discrete-time chaotic systems.
针对混沌系统，采用基于李雅普·诺夫指数和开闭环控制实现了连续和离散混沌系统的控制。
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