步进电机是将电脉冲信号转变为角位移或线位移的开环控制元件。
Electrical power pulse signal will be entered into angular displacement or displacement of the Central Line control components.
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。
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.
在对AGV的定位轨迹控制方法上，选定了位姿开环控制与闭环控制相结合的方式。
Opened and closed loop control was chosen to control method of the motion track of AGV to its position and orientation.
控制可以是闭环的也可以是开环的。
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。
However, this advantage is more than outweighed by the disadvantages of open-loop control and the inherent advantages of feedback systems.
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。
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.
为此，应用PID控制的怠速实验结果与开环怠速控制的实验结果进行了对比。
The chapter compares PID control's idle test result with open loop's idle control test.
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。
All the stabilizing IMC controllers and the resulted closed-loop systems were characterized in terms of the open-loop system's time delays.
在确保PID零极点不变的基础上，将开环递推整定算法引入到闭环系统中，提出了自适应pid控制算法。
Keeping the zeros and poles of the PID unchanged, an adaptive PID controller is presented using the proposed recursive algorithm in the closed-loop system.
图37.1是对开环控制系统的一般性表示。
Fig. 37.1 is a general representation of an open-loop control system.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
然后利用开环控制来改变非线性系统的分岔参数，使之获得理想的平衡点分岔方程。
The open loop control is used to adjust the bifurcation parameter in order to obtain a desired equilibrium bifurcation diagram.
给出了一种基于SPMC75F2413A的感应电机开环V/F控制的一种实现方法。
This paper provided a way of design and realization of an induction motors V/F control on SPMC75F2413A.
并通过实验，对所建立的动力学模型及开环控制下平台的实际动态特性进行了验证。
And the experimental tests had been carried out to verify the established model as well as the dynamic characteristics under opening loop control.
开环迭代学习控制学习周期长，在迭代学习的初期容易出现不稳定和高增益的现象。
But the learning period of opened-loop iterative learning control is long, and the unstable and high gain phenomena may be taken place during the initial stage of iterative learning 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。
This paper deals with the stability improvement of open-loop excitation system by using feedforward compensation control.
利用微机对纵进给系统进行开环控制。
基于二次型最优控制的起重机开环消摆方法的研究，这是很有创意的。
Based on quadratic optimal control of the crane placed source open-loop method of research, this is very creative.
结果表明，怠速pid控制方法应用于车用汽油机怠速控制是可行的，而且比开环控制更加有效，并在目前电控汽油机上得到了实际验证。
The result indicates PID control method is available to the gasoline engine idle, which is more effective than open loop control, and gets practice verification in electrical control gasoline engine.
设计成功实现了步进电机的开环控制。
The design succeeds in realizing open-loop control of step-motor.
本文提出了一种在时域上设计柔性机械臂开环控制力矩的逆动力学方法。
In this paper, the new inverse dynamics method, which designs the open-loop control torque for one-link flexible manipulator, is proposed.
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。
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.
步进电机可以作为一种控制用的特种电机，利用其没有积累误差(精度为100%)的特点，广泛应用于各种开环控制。
Stepper motor control can be used as a special motor, do not use their accumulated error (accuracy of 100%) the characteristics of a wide range of open-loop control.
提出了在网络传输信号的时间间隔内依据被控对象模型计算控制信号的开环控制方法，以减少对网络的使用。
The open-loop control method of computing control signal based on plant model at intervals of state signal through network is proposed for reducing the usage of the network.
通过ATMEL89C 51单片机对步进电机进行控制，主要介绍了步进电机控制器、驱动电路和LED显示电路的设计，实现了步进电机的开环控制。
The design using ATMEL89C51 single chip to control the step-motor with its controller, driving circuit and LED display circuit to realize step motor open-loop control were introduced.
数字量水堰是开环控制方式，方法简便可靠，可以按给定的过程曲线精确可靠地施放流量。
In a digital weir, open loop digital control is applied, and the method is simple and reliable. And it can give accurate flow according to the given process curve.
通过静态设计、系统元件的选型，静态特性的分析和控制方案的选择，为开环控制打下基础。
In static design, we choose important system elements and determine system control scheme, which provide good basis for the open-loop control and closed-loop control.
讨论了开卷机在镀锌生产线中的开环张力控制，并详细论述了通过在P LC中设置变频器的参数来实现开环张力控制。
The article discusses about open tension control of pay off reel in the continuous galvanizing line and setting the parameter of converters in the PLC to realize the open tension control in detail.
讨论了开卷机在镀锌生产线中的开环张力控制，并详细论述了通过在P LC中设置变频器的参数来实现开环张力控制。
The article discusses about open tension control of pay off reel in the continuous galvanizing line and setting the parameter of converters in the PLC to realize the open tension control in detail.
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